EAS Electric MAJESTIC25K - Air Conditioning

MAJESTIC25K - Air Conditioning EAS Electric - Free user manual and instructions

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Product type Split inverter air conditioner
Brand EAS Electric
Model MAJESTIC25K
Refrigerant R32 (flammable, Class A2L)
Cooling capacity Approximately 25000 BTU/h (7.3 kW)
Power supply 230 V ~ 50 Hz, single-phase
Main functions Cool, heat, dehumidification, fan, sleep, turbo, silent, self-cleaning, louver angle memory
Operating temperature (cool mode) Indoor: 17°C to 32°C; Outdoor: 0°C to 50°C
Operating temperature (heat mode) Indoor: 0°C to 30°C; Outdoor: -15°C to 30°C
Maximum refrigerant pipe length Up to 30 meters (for 7.3 kW capacity)
Maximum height difference between units Up to 20 meters
Filters Washable air filter, functional filter (deodorizing) on some models
Maintenance and cleaning Clean the filter every 2 weeks; clean the indoor unit with a soft dry cloth
Safety 3-minute restart protection, automatic shutdown in case of anomaly, refrigerant leak detection
Included accessories Remote control with batteries, mounting plate, drain joint, user and installation manual
Warranty 2 years parts and labor (Spain and Portugal); compressor 5 years

Frequently Asked Questions - MAJESTIC25K EAS Electric

Why does the indoor unit emit white mist?
This occurs in cool mode in humid areas, due to a large temperature difference between the ambient air and the blown air. It's normal and disappears quickly.
What to do if the unit does not turn on?
Check that the power is connected and the circuit breaker hasn't tripped. The unit has a 3-minute protection that prevents immediate restart after shutdown. Wait 3 minutes before trying again.
Why does the outdoor unit not run continuously?
The compressor stops when the set temperature is reached. It restarts when temperature fluctuates. This is normal to save energy.
How to clean the air filter?
Open the front panel, remove the filter by lifting it and pulling it towards you. Wash it with warm soapy water, rinse and dry away from sunlight. Put it back. Clean every 2 weeks.
What does the code 'CL' on the display mean?
It's a filter cleaning reminder after 240 hours of use. To reset, press the LED button on the remote 4 times or the manual control button 3 times.
Can the unit operate without the remote control?
Yes, by opening the front panel and pressing the manual control button. One press for forced Auto mode, two presses for forced Cool mode, a third to stop.
Why is there a creaking noise during heating operation?
This noise is normal and comes from the expansion and contraction of plastic parts due to temperature changes.
How to adjust the horizontal airflow direction?
For vertical direction, use the remote (SWING/DIRECT button). For horizontal direction, manually push the deflector tab.
What is the difference between SLEEP and ECO modes?
SLEEP mode adjusts temperature gradually for comfortable sleep (increases by 1°C per hour in cool, decreases in heat) and stops after 8 hours. ECO mode optimizes overall energy consumption.
The indoor unit displays 'EC' or 'EL0C', what to do?
These codes indicate a possible refrigerant leak. Turn off the unit, cut the power and contact a qualified technician immediately.

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USER MANUAL MAJESTIC25K EAS Electric

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Serie MAJESTIC

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EAS Electric MAJESTIC25K - Serie MAJESTIC - 1

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EAS Electric MAJESTIC25K - Serie MAJESTIC - 2

PRECAUCIÓN

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Limpie los filtros

EAS Electric MAJESTIC25K - PRECAUCIÓN - 1

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Busque fugas

EAS Electric MAJESTIC25K - PRECAUCIÓN - 2

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Conecte tuberías

EAS Electric MAJESTIC25K - PRECAUCIÓN - 3

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Conecte el cableado

EAS Electric MAJESTIC25K - PRECAUCIÓN - 4

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text_image Diagram showing air conditioning system components with numbered parts including air conditioner, fan, and interruptor
text_image Pared Interior Exterior 5-7mm
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Tipo A

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Tipo B

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text_image 348.4mm (13.7in) 179mm (7.05in) 36mm (5.35in) 37mm (1.45in) Silueta unidad interior 101mm (4in) 290mm (11.4in) 49mm (1.95in) Agujero trasero izquierdo 65mm 722mm (28.45in) Agujero trasero derecho 65mm (2.5in) Modelo A

EAS Electric MAJESTIC25K - PRECAUCIÓN - 7

text_image 297mm (1.7in) 47mm (1.85in) 228mm (8.98in) 407mm (15.78in) 229mm (9.01in) (26mm (4.96in) 42mm (1.65in) Silueta unidad interior Agujero trasero izquierdo 65mm 802mm (31.6in) Agujero trasero derecho 65mm (2.5in) Modelo B

EAS Electric MAJESTIC25K - PRECAUCIÓN - 8

text_image 138mm (5.45in) 517.4mm (20.37in) 144mm (5.65in) 58mm (2.3in) Silueta unidad interior 319mm (12.55in) 577mm (2.25in) 34mm (1.35in) 965mm (38in) 40mm (1.55in) Agujero trasero izquierdo 65mm (2.5in) Agujero trasero derecho 65mm (2.5in) Modelo C

EAS Electric MAJESTIC25K - PRECAUCIÓN - 9

text_image 578mm (22.8in) 298mm (11.7in) 54mm (2.1in) Silueta unidad interior 721mm (8.7in) 29mm (3.1in) 54mm (2.1in) 54mm (2.1in) 336mm (13.2in) 49mm (1.9in) 149mm (5.9in) 49mm (1.9in) Agujero trasero izquierdo 65mm (2.5in) 138mm (5.4in) 1080mm (42.5in) 149mm (5.9in) Agujero trasero derecho 65mm (2.5in) Modelo D

EAS Electric MAJESTIC25K - PRECAUCIÓN - 10

text_image 643.6mm (25.3in) 172mm (6.8in) 389mm (15.3in) 257mm (10,1in) 332mm (13.05in) 362mm (14.25in) 52mm (2.05in) Silueta unidad interior 52mm (2.05in) Agujero trasero izquierdo 90mm (3.54in) 1259mm (49.55in) Agujero trasero derecho 90mm (3.54in) Modelo E
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PRECAUCIÓN

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CORRECTO

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INCORRECTO

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INCORRECTO

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INCORRECTO

text_image 30-50mm (1.18-1.96in) 30-50mm (1.18-1.96in)
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text_image Radio ≥10c m
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Evacuación de aire

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Unit Specifications and Features....07

  1. Indoor unit display....07
  2. Operating temperature....09
  3. Other features ....10
  4. Setting angle of airflow....11
  5. Manual operation (without Remote)....11

Care and Maintenance....12

Troubleshooting....14

Installation Manual

Accessories....17

Installation Summary - Indoor Unit ....18

Unit Parts....19

Indoor Unit Installation....20

  1. Select installation location....20
  2. Attach mounting plate to wall....20
  3. Drill wall hole for connective piping....21
  4. Prepare refrigerant piping....22
  5. Connect drain hose....22
  6. Connect signal and power cables....23
  7. Wrap piping and cables....24
  8. Mount indoor unit 25

Outdoor Unit Installation....26

  1. Select installation location....26
  2. Install drain joint....27
  3. Anchor outdoor unit....27
  4. Connect signal and power cables....29

Refrigerant Piping Connection....30

A. Note on Pipe Length....30
B. Connection Instructions – Refrigerant Piping....30
1. Cut pipe....30
2. Remove burrs....31
3. Flare pipe ends....31
4. Connect pipes....31

Air Evacuation....33

  1. Evacuation Instructions....33
  2. Note on Adding Refrigerant....34

Electrical and Gas Leak Checks....35

Test Run....36

Guarantee conditions....37

Safety Precautions

Read Safety Precautions Before Operation and Installation

Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION.

EAS Electric MAJESTIC25K - Read Safety Precautions Before Operation and Installation - 1

WARNING

This symbol indicates the possibility of personnel injury or loss of life.

EAS Electric MAJESTIC25K - WARNING - 1

CAUTION

This symbol indicates the possibility of property damage or serious consequences.

EAS Electric MAJESTIC25K - CAUTION - 1

WARNING

This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be

This appliance is not intended for use by persons(including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

EAS Electric MAJESTIC25K - WARNING - 1

WARNINGS FOR PRODUCT USE

If an abnormal situation arises (like a burning smell), immediately turn off the unit and disconnect the power. Call your dealer for instructions to avoid electric shock, fire or injury.

Do not insert fingers, rods or other objects into the air inlet or outlet. This may cause injury, since the fan may be rotating at high speeds.

Do not use flammable sprays such as hair spray, lacquer or paint near the unit. This may cause fire or combustion.

Do not operate the air conditioner in places near or around combustible gases. Emitted gas may collect around the unit and cause explosion.

Do not operate your air conditioner in a wet room such as a bathroom or laundry room. Too much exposure to water can cause electrical components to short circuit.

Do not expose your body directly to cool air for a prolonged period of time.

Do not allow children to play with the air conditioner. Children must be supervised around the unit at all times.

If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room to avoid oxygen deficiency.

In certain functional environments, such as kitchens, server rooms, etc., the use of specially designed air-conditioning units is highly recommended.

CLEANING AND MAINTENANCE WARNINGS

Turn off the device and disconnect the power before cleaning. Failure to do so can cause electrical shock.

Do not clean the air conditioner with excessive amounts of water.

Do not clean the air conditioner with combustible cleaning agents. Combustible cleaning agents can cause fire or deformation.

EAS Electric MAJESTIC25K - CLEANING AND MAINTENANCE WARNINGS - 1

CAUTION

Turn off the air conditioner and disconnect the power if you are not going to use it for a long time. Turn off and unplug the unit during storms.

Make sure that water condensation can drain unhindered from the unit.

____ operate the air conditioner with wet hands. This may cause electric shock.

____ use device for any other purpose than its intended use.

____ climb onto or place objects on top of the outdoor unit.

____ allow the air conditioner to operate for long periods of time with doors or windows open, or if the humidity is very high.

EAS Electric MAJESTIC25K - CAUTION - 1

ELECTRICAL WARNINGS

Only use the specified power cord. If the power cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

Keep power plug clean. Remove any dust or grime that accumulates on or around the plug. Dirty plugs can cause fire or electric shock.

Do not pull power cord to unplug unit. Hold the plug firmly and pull it from the outlet. Pulling directly on the cord can damage it, which can lead to fire or electric shock.

Do not modify the length of the power supply cord or use an extension cord to power the unit.

Do not share the electrical outlet with other appliances. Improper or insufficient power supply can cause fire or electrical shock.

The product must be properly grounded at the time of installation, or electrical shock may occur. For all electrical work, follow all local and national wiring standards, regulations, and the Installation Manual. Connect cables tightly, and clamp them securely to prevent external forces from damaging the terminal. Improper electrical connections can overheat and cause fire, and may also cause shock. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units.

All wiring must be properly arranged to ensure that the control board cover can close properly. If the control board cover is not closed properly, it can lead to corrosion and cause the connection points on the terminal to heat up, catch fire, or cause electrical shock.

If connecting power to fixed wiring, an all-pole disconnection device which has at least 3mm clearances in all poles, and have a leakage current that may exceed 10mA, the residual current device(RCD) having a rated residual operating current not exceeding 30mA, and disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.

TAKE NOTE OF FUSE SPECIFICATIONS

The air conditioner's circuit board (PCB) is designed with a fuse to provide overcurrent protection.

The specifications of the fuse are printed on the circuit board, such as :

T3.15AL/250VAC, T5AL/250VAC, T3.15A/250VAC, T5A/250VAC, T20A/250VAC, T30A/250VAC, etc.

NOTE: For the units using R32 or R290 refrigerant, only the blast-proof ceramic fuse can be used.

EAS Electric MAJESTIC25K - TAKE NOTE OF FUSE SPECIFICATIONS - 1

WARNINGS FOR PRODUCT INSTALLATION

  1. Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or fire.
  2. Installation must be performed according to the installation instructions. Improper installation can cause water leakage, electrical shock, or fire.
  3. Contact an authorized service technician for repair or maintenance of this unit. This appliance shall be installed in accordance with national wiring regulations.
  4. Only use the included accessories, parts, and specified parts for installation. Using non-standard parts can cause water leakage, electrical shock, fire, and can cause the unit to fail.
  5. Install the unit in a firm location that can support the unit's weight. If the chosen location cannot support the unit's weight, or the installation is not done properly, the unit may drop and cause serious injury and damage.
  6. Install drainage piping according to the instructions in this manual. Improper drainage may cause water damage to your home and property.
  7. For units that have an auxiliary electric heater, do not install the unit within 1 meter (3 feet) of any combustible materials.
  8. Do not install the unit in a location that may be exposed to combustible gas leaks. If combustible gas accumulates around the unit, it may cause fire.
  9. Do not turn on the power until all work has been completed.
  10. When moving or relocating the air conditioner, consult experienced service technicians for disconnection and reinstallation of the unit.
  11. How to install the appliance to its support, please read the information for details in "indoor unit installation" and "outdoor unit installation" sections.

Note about Fluorinated Gasses (Not applicable to the unit using R290 Refrigerant)

  1. This air-conditioning unit contains fluorinated greenhouse gasses. For specific information on the type of gas and the amount, please refer to the relevant label on the unit itself or the "Owner's Manual - Product Fiche" in the packaging of the outdoor unit. (European Union products only).
  2. Installation, service, maintenance and repair of this unit must be performed by a certified technician.
  3. Product uninstallation and recycling must be performed by a certified technician.
  4. For equipment that contains fluorinated greenhouse gases in quantities of 5 tonnes of CO2 equivalent or more, but of less than 50 tonnes of CO2 equivalent, If the system has a leak-detection system installed, it must be checked for leaks at least every 24 months.
  5. When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.

EAS Electric MAJESTIC25K - Note about Fluorinated Gasses (Not applicable to the unit using R290 Refrigerant) - 1

WARNING for Using R32/R290 Refrigerant

- When flammable refrigerant are employed, appliance shall be stored in a well -ventilated area where the room size corresponds to the room area as specific for operation.

For R32 frigerant models:

Appliance shall be installed, operated and stored in a room with a floor area larger than 4m^2 . Appliance shall not be installed in an unvertilated space, if that space is smaller than 4m^2 .

For R290 refrigerant models, the minimum room size needed:

<=9000Btu/h units: 13m²

9000Btu/h and <=12000Btu/h units: 17m^2

12000Btu/h and <=18000Btu/h units: 26m^2

18000Btu/h and <=24000Btu/h units: 35m ^2

- Reusable mechanical connectors and flared joints are not allowed indoors.

(EN Standard Requirements).

- Mechanical connectors used indoors shall have a rate of not more than 3g/year at 25% of the maximum allowable pressure. When mechanical connectors are reused indoors, sealing parts shall be renewed. When flared joints are reused indoors, the flare part shall be re-fabricated. (UL Standard Requirements)

- When mechanical connectors are reused indoors, sealing parts shall be renewed. When flared joints are reused indoors, the flare part shall be re-fabricated.

(IEC Standard Requirements)

- Mechanical connectors used indoors shall comply with ISO 14903.

Unit Specifications and Features

Indoor unit display

NOTE: Different models have different front panel and display window. Not all the indicators describing below are available for the air conditioner you purchased. Please check the indoor display window of the unit you purchased.

Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly different. The actual shape shall prevail.

EAS Electric MAJESTIC25K - Indoor unit display - 1

text_image Front Panel Power Cable (Some Units) Louver Functional Filter (On Back of Main Filter - Some Units) Remote Control Remote Control Holder (Some Units) Display window (A) (B) (C) (D) 88°C ECO

“ ECO ” when ECO function is activated(some units)

“°C” Lights up in different colour according to the operation mode(some units): Under COOL and DRY mode, it displays as cool colour. Under HEAT mode, it displays as warm colour.

" ∏ " when Wireless Control feature is activated(some units)

" 88 " Displays temperature, operation feature and Error codes:

“ON” for 3 seconds when: “ON”

"OF" for 3 seconds when:

“ cF” when anti-cold air feature is turned on
" dF" when defrosting(cooling & heating units)
"5C" when unit is self-cleaning
"FP" when 8°C heating feature is turned on

Display Code Meanings

EAS Electric MAJESTIC25K - Indoor unit display - 2

text_image Front Panel Power Cable (Some Units) Louver Functional Filter (On Back of Main Filter - Some Units) Remote Control Remote Control Holder (Some Units) Display window (E) Display window The unit has a build-in light sensor to detect the ambient brightness. When the light is turned off, the display will be off after 7 seconds, saving energy and offering you a comfortable sleep.

" 80 islays temperature, operation feature and Error codes:

"ON " for 3 seconds when:

EAS Electric MAJESTIC25K - Indoor unit display - 3

"OF " for 3 seconds when:

"df " when defrosting(for cooling & heating units)

“5C” when unit is self-cleaning(some units)

"FP " when 8°C(46°F) or 12°C(54°F) heating mode is turned on(some units)

“ ” when fresh feature is turned on(some units)

“eco” when ECO feature is activated(some units)

" when wireless control feature is activated(some units)

Press the LED button on the remote control will turn off the display screen, press the LED button again during 15 seconds will display the room temperature, if press it again after 15 seconds, it will turn on the display screen.

Display Code Meanings

Operating temperature

When your air conditioner is used outside of the following temperature ranges, certain safety protection features may activate and cause the unit to disable.

Inverter Split Type

COOL mode HEAT mode DRY mode
Room Temperature17°C - 32°C(62°F - 90°F)0°C - 30°C(32°F - 86°F)10°C - 32°C(50°F - 90°F)
Outdoor Temperature0°C - 50°C(32°F - 122°F)-15°C - 30°C(5°F - 86°F)0°C - 50°C(32°F - 122°F)
-15°C - 50°C(5°F - 122°F)(For models with low temp. cooling systems.)
0°C - 52°C(32°F - 126°F)(For special tropical models)0°C - 52°C(32°F - 126°F)(For special tropical models)

FOR OUTDOOR UNITS WITH AUXILIARY ELECTRIC HEATER

When outside temperature is below 0^ C ( 32^ F), we strongly recommend keeping the unit plugged in at all time to ensure smooth ongoing performance.

Fixed-speed Type

COOL modeHEAT modeDRY mode
Room Temperature17°C-32°C (62°F-90°F)0°C-30°C(32°F-86°F)10°C-32°C (50°F-90°F)
Outdoor Temperature18°C-43°C (64°F-109°F)-7°C-24°C(19°F-75°F)11°C-43°C (52°F-109°F)
-7°C-43°C (19°F-109°F)(For models with low-temp cooling systems)18°C-43°C (64°F-109°F)
18°C-52°C (64°F-126°F)(For special tropical models)18°C-52°C (64°F-126°F)(For special tropical models)

NOTE: Room relative humidity less than 80%. If the air conditioner operates in excess of this figure, the surface of the air conditioner may attract condensation. Please sets the vertical air flow louver to its maximum angle (vertically to the floor), and set HIGH fan mode.

To further optimize the performance of your unit, do the following:

A guide on using the infrared remote is not included in this literature package. Not all the functions are available for the air conditioner, please check the indoor display and remote control of the unit you purchased.

Other Features

If the unit loses power, it will automatically restart with the prior settings once power has been restored.

When turning off the unit from COOL, AUTO (COOL), or DRY modes, the air conditioner will continue operate at very low power to dry up condensed water and prevent mildew growth.

Wireless control allows you to control your air conditioner using your mobile phone and a wireless connection.

For the USB device access, replacement, maintenance operations must be carried out by professional staff.

When turning on your unit, the louver will automatically resume its former angle.

(some units)

The indoor unit will automatically display "EC" or "ELOC" or flash LEDs (model dependent) when it detects refrigerant leakage.

Sleep Operation

The SLEEP function is used to decrease energy use while you sleep (and don't need the same temperature settings to stay comfortable). This function can only be activated via remote control. And the Sleep function is not available in FAN or DRY mode.

Press the SLEEP button when you are ready to go to sleep. When in COOL mode, the unit will increase the temperature by 1°C (2°F) after 1 hour, and will increase an additional 1°C (2°F) after another hour. When in HEAT mode, the unit will decrease the temperature by 1°C (2°F) after 1 hour, and will decrease an additional 1°C (2°F) after another hour.

The sleep feature will stop after 8 hours and the system will keep running with final situation.

EAS Electric MAJESTIC25K - Sleep Operation - 1

flowchart
graph LR
    A["Set temperature"] --> B["Cool mode(+1°C/2°F) per hour for the first two hours"]
    B --> C["Heat mode(-1°C/2°F) per hour for the first two hours"]
    C --> D["Keep running"]
    E["Saving energy during sleep"] --> F["Bed with sleeping person"]

Setting Angle of Air Flow

Setting vertical angle of air flow

While the unit is on, use the SWING/ DIRECT button on remote control to set the direction (vertical angle) of airflow. Please refer to the Remote Control Manual for details.

NOTE ON LOUVER ANGLES

When using COOL or DRY mode, do not set louver at too vertical an angle for long periods of time. This can cause water to condense on the louver blade, which will drop on your floor or furnishings.

When using COOL or HEAT mode, setting the louver at too vertical an angle can reduce the performance of the unit due to restricted air flow.

Setting horizontal angle of air flow

The horizontal angle of the airflow must be set manually. Grip the deflector rod (See Fig.B) and manually adjust it to your preferred direction.

For some units, the horizontal angle of the airflow can be set by remote control. please refer to the Remote Control Manual.

Manual Operation(without remote)

EAS Electric MAJESTIC25K - Manual Operation(without remote) - 1

CAUTION

The manual button is intended for testing purposes and emergency operation only. Please do not use this function unless the remote control is lost and it is absolutely necessary. To restore regular operation, use the remote control to activate the unit. Unit must be turned off before manual operation.

To operate your unit manually:

  1. Open the front panel of the indoor unit.
  2. Locate the MANUAL CONTROL button on the right-hand side of the unit.
  3. Press the MANUAL CONTROL button one time to activate FORCED AUTO mode.
  4. Press the MANUAL CONTROL button again to activate FORCED COOLING mode.
  5. Press the MANUAL CONTROL button a third time to turn the unit off.
  6. Close the front panel.

EAS Electric MAJESTIC25K - CAUTION - 1

text_image Range

NOTE: Do not move louver by hand. This will cause the louver to become out of sync. If this occurs, turn off the unit and unplug it for a few seconds, then restart the unit. This will reset the louver.

Fig. A
EAS Electric MAJESTIC25K - CAUTION - 2

CAUTION

Do not put your fingers in or near the blower and suction side of the unit. The high-speed fan inside the unit may cause injury.

EAS Electric MAJESTIC25K - CAUTION - 1

text_image Deflector rod

Fig. B

EAS Electric MAJESTIC25K - CAUTION - 2

text_image Manual control button

Care and Maintenance

Cleaning Your Indoor Unit

EAS Electric MAJESTIC25K - Cleaning Your Indoor Unit - 1

BEFORE CLEANING OR MAINTENANCE

ALWAYS TURN OFF YOUR AIR CONDITIONER SYSTEM AND DISCONNECT ITS POWER SUPPLY BEFORE CLEANING OR MAINTENANCE.

EAS Electric MAJESTIC25K - BEFORE CLEANING OR MAINTENANCE - 1

CAUTION

Only use a soft, dry cloth to wipe the unit clean. If the unit is especially dirty, you can use a cloth soaked in warm water to wipe it clean.

Do not use chemicals or chemically treated cloths to clean the unit

Do not use benzene, paint thinner, polishing powder or other solvents to clean the unit. They can cause the plastic surface to crack or deform.

Do not use water hotter than 40^ C ( 104^ F) to clean the front panel. This can cause the panel to deform or become discolored.

Cleaning Your Air Filter

A clogged air conditioner can reduce the cooling efficiency of your unit, and can also be bad for your health. Make sure to clean the filter once every two weeks.

  1. Lift the front panel of the indoor unit.
  2. Grip the tab on the end of the filter, lift it up, then pull it towards yourself.
  3. Now pull the filter out
  4. If your filter has a small air freshening filter, unclip it from the larger filter. Clean this air freshening filter with a hand-held vacuum.
  5. Clean the large air filter with warm, soapy water. Be sure to use a mild detergent.

  6. Rinse the filter with fresh water, then shake off excess water.

  7. Dry it in a cool, dry place, and refrain from exposing it to direct sunlight.
  8. When dry, re-clip the air freshening filter to the larger filter, then slide it back into the indoor unit.
  9. Close the front panel of the indoor unit.

EAS Electric MAJESTIC25K - Cleaning Your Air Filter - 1

text_image Filter Tabs

EAS Electric MAJESTIC25K - Cleaning Your Air Filter - 2

natural_image Hand placing a dark object into a grid-patterned panel (no text or symbols visible)

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text_image larger filter (some units)

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natural_image Diagram showing a faucet above a grid-patterned object with a star-like shape inside (no text or symbols)

CAUTION

Do not touch air freshening (Plasma) filter for at least 10 minutes after turning off the unit.

EAS Electric MAJESTIC25K - CAUTION - 1

CAUTION

Before changing the filter or cleaning, turn off the unit and disconnect its power supply.

When removing filter, do not touch metal parts in the unit. The sharp metal edges can cut you.

Do not use water to clean the inside of the indoor unit. This can destroy insulation and cause electrical shock.

Do not expose filter to direct sunlight when drying. This can shrink the filter.

Air Filter Reminders (Optional)

Air Filter Cleaning Reminder

After 240 hours of use, the display window on the indoor unit will flash "CL." This is a reminder to clean your filter. After 15 seconds, the unit will revert to its previous display.

To reset the reminder, press the LED button on your remote control 4 times, or press the

MANUAL CONTROL button 3 times. If you don't reset the reminder, the "CL" indicator will flash again when you restart the unit.

Air Filter Replacement Reminder

After 2,880 hours of use, the display window on the indoor unit will flash "nF." This is a reminder to replace your filter. After 15 seconds, the unit will revert to its previous display.

To reset the reminder, press the LED button on your remote control 4 times, or press the

MANUAL CONTROL button 3 times. If you don't reset the reminder, the "nF" indicator will flash again when you restart the unit.

EAS Electric MAJESTIC25K - Air Filter Replacement Reminder - 1

CAUTION

Any maintenance and cleaning of outdoor unit should be performed by an authorized dealer or a licensed service provider.

Any unit repairs should be performed by an authorized dealer or a licensed service provider.

Maintenance – Long Periods of Non-Use

If you plan not to use your air conditioner for an extended period of time, do the following:

EAS Electric MAJESTIC25K - Maintenance – Long Periods of Non-Use - 1

natural_image 3D grid diagram with a small directional arrow on top-right corner (no text or symbols)

Clean all filters

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Turn on FAN function until unit dries out completely

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text_image Warning symbol with crossed-out lightning bolt inside a circle, indicating no protection or resistance.

Turn off the unit aRemove batteries
disconnect the power

EAS Electric MAJESTIC25K - Maintenance – Long Periods of Non-Use - 4

natural_image Technical line drawing of a mechanical device with internal components (no text or symbols)

from remote control

Maintenance – Pre-Season Inspection

After long periods of non-use, or before periods of frequent use, do the following:

EAS Electric MAJESTIC25K - Maintenance – Pre-Season Inspection - 1

text_image Safety warning sign indicating no hazard, showing lightning bolt symbol and crossed lines

Check for damaged wires Clean all filters

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natural_image Symbolic diagram showing a diagonal line crossing a shaded rectangle with water droplets (no text or labels)

Check for leaks Replace batteries
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EAS Electric MAJESTIC25K - Maintenance – Pre-Season Inspection - 6
Make sure nothing is blocking all air inlets and outlets

Troubleshooting

EAS Electric MAJESTIC25K - Troubleshooting - 1

SAFETY PRECAUTIONS

If ANY of the following conditions occurs, turn off your unit immediately!

DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED SERVICE PROVIDER IMMEDIATELY!

Common Issues

The following problems are not a malfunction and in most situations will not require repairs.

NOTE: If problem persists, contact a local dealer or your nearest customer service center. Provide them with a detailed description of the unit malfunction as well as your model number.

Issue Possible Causes
Unit does not turn on when pressing ON/OFF buttonThe Unit has a 3-minute protection feature that prevents the unit from overloading. The unit cannot be restarted within three minutes of being turned off.
The unit changes from COOL/HEAT mode to FAN modeThe unit may change its setting to prevent frost from forming on the unit. Once the temperature increases, the unit will start operating in the previously selected mode again.
The set temperature has been reached, at which point the unit turns off the compressor. The unit will continue operating when the temperature fluctuates again.
The indoor unit emits white mistIn humid regions, a large temperature difference between the room's air and the conditioned air can cause white mist.
Both the indoor and outdoor units emit white mistWhen the unit restarts in HEAT mode after defrosting, white mist may be emitted due to moisture generated from the defrosting process.
The indoor unit makes noisesA rushing air sound may occur when the louver resets its position.
A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit's plastic parts.
Both the indoor unit and outdoor unit make noisesLow hissing sound during operation: This is normal and is caused by refrigerant gas flowing through both indoor and outdoor units.
Low hissing sound when the system starts, has just stopped running, or is defrosting: This noise is normal and is caused by the refrigerant gas stopping or changing direction.
Squeaking sound: Normal expansion and contraction of plastic and metal parts caused by temperature changes during operation can cause squeaking noises.
The outdoor unit makes noisesThe unit will make different sounds based on its current operating mode.
Dust is emitted from either the indoor or outdoor unitThe unit may accumulate dust during extended periods of non-use, which will be emitted when the unit is turned on. This can be mitigated by covering the unit during long periods of inactivity.
The unit emits a bad odorThe unit may absorb odors from the environment (such as furniture, cooking, cigarettes, etc.) which will be emitted during operations.
The unit's filters have become moldy and should be cleaned.
The fan of the outdoor unit does not operateDuring operation, the fan speed is controlled to optimize product operation.
Operation is erratic, unpredictable, or unit is unresponsiveInterference from cell phone towers and remote boosters may cause the unit to malfunction.In this case, try the following:Disconnect the power, then reconnect.Press ON/OFF button on remote control to restart operation.

Troubleshooting

When troubles occur, please check the following points before contacting a repair company.

Problem Possible Causes Solution
Poor Cooling PerformanceTemperature setting may be higher than ambient room temperatureLower the temperature setting
The heat exchanger on the indoor or outdoor unit is dirtyClean the affected heat exchanger
The air filter is dirtyRemove the filter and clean it according to instructions
The air inlet or outlet of either unit is blockedTurn the unit off, remove the obstruction and turn it back on
Doors and windows are openMake sure that all doors and windows are closed while operating the unit
Excessive heat is generated by sunlightClose windows and curtains during periods of high heat or bright sunshine
Too many sources of heat in the room (people, computers, electronics, etc.)Reduce amount of heat sources
Low refrigerant due to leak or long-term useCheck for leaks, re-seal if necessary and top off refrigerant
SILENCE function is activated (optional function)SILENCE function can lower product performance by reducing operating frequency. Turn off SILENCE function.
Problem Possible Causes Solution
The unit is not workingPower failureWait for the power to be restored
The power is turned off Turn onthe power
The fuse is burned outReplace the fuse
Remote control batteries are deadReplace batteries
The Unit's 3-minute protection has been activatedWait three minutes after restarting the unit
Timer is activatedTurn timer off
The unit starts and stops frequentlyThere's too much or too little refrigerant in the systemCheck for leaks and recharge the system with refrigerant.
Incompressible gas or moisture has entered the system.Evacuate and recharge the system with refrigerant
The compressor is broken Replace the compressor
The voltage is too high or too lowInstall a manostat to regulate the voltage
Poor heating performanceThe outdoor temperature is extremely lowUse auxiliary heating device
Cold air is entering through doors and windowsMake sure that all doors and windows are closed during use
Low refrigerant due to leak or long-term useCheck for leaks, re-seal if necessary and top off refrigerant
Indicator lamps continue flashingThe unit may stop operation or continue to run safely. If the indicator lamps continue to flash or error codes appear, wait for about 10 minutes. The problem may resolve itself.If not, disconnect the power, then connect it again. Turn the unit on.If the problem persists, disconnect the power and contact your nearest customer service center.
Error code appears and begins with the letters as the following in the window display of indoor unit:E(x), P(x), F(x)EH(xx), EL(xx), EC(xx)PH(xx), PL(xx), PC(xx)

NOTE: If your problem persists after performing the checks and diagnostics above, turn off your unit immediately and contact an authorized service center.

Accessories

The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or cause the equipment to fail. The items are not included with the air conditioner must be purchased separately.

Name of AccessoriesName of AccessoriesShape (pc)Shape
Manual2-3EAS Electric MAJESTIC25K - Accessories - 1Remote controller1EAS Electric MAJESTIC25K - Accessories - 2
Drain joint (for cooling & heating models)1EAS Electric MAJESTIC25K - Accessories - 3Battery2EAS Electric MAJESTIC25K - Accessories - 4
Seal (for cooling & heating models)1EAS Electric MAJESTIC25K - Accessories - 5Remote controller holder(optional)1EAS Electric MAJESTIC25K - Accessories - 6
Mounting plate1EAS Electric MAJESTIC25K - Accessories - 7Fixing screw for remote controller holder(optional)2EAS Electric MAJESTIC25K - Accessories - 8
Anchor5~8 (depending on models)EAS Electric MAJESTIC25K - Accessories - 9Small Filter (Need to be installed on the back of main air filter by the authorized technician while installing the machine)1~2 (depending on models)EAS Electric MAJESTIC25K - Accessories - 10
Mounting plate fixing screw5~8 (depending on models)EAS Electric MAJESTIC25K - Accessories - 11
NameShapeQuantity (PC)
Connecting pipe assemblyLiquid sideΦ6.35(1/4in)Parts you must purchase separately. Consult the dealer about the proper pipe size of the unit you purchased.
Φ9.52(3/8in)
Gas sideΦ9.52(3/8in)
Φ12.7(1/2in)
Φ16(5/8in)
Φ19(3/4in)
Magnetic ring and belt(if supplied,please refer to the wiring diagram to install it on the connective cable.)EAS Electric MAJESTIC25K - Accessories - 12EAS Electric MAJESTIC25K - Accessories - 13Pass the belt through the hole of the Magnetic ring to fix it on the cableVaries by model

Installation Summary - Indoor Unit

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text_image 15cm (5.9in) 12cm (4.75in) 12cm (4.75in) 2.3m (90.55in)

Select Installation Location

EAS Electric MAJESTIC25K - Installation Summary - Indoor Unit - 2

natural_image Pure mechanical diagram showing a lever mechanism with no text or symbols

Determine Wall Hole Position

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natural_image Technical diagram of a mechanical device with labeled components and mounting points (no text or symbols present)

Attach Mounting Plate

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natural_image Illustration of a hand using a tool to adjust a component, with no visible text or symbols.

Drill Wall Hole

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natural_image Diagram showing a tool interacting with a pipe fitting, with no visible text or symbols

Connect Piping

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text_image 6

Connect Wiring

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Prepare Drain Hose

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natural_image Diagram of a cable assembly with coiled and twisted wires, no text or symbols present

Wrap Piping and Cable

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natural_image Illustration of two hands holding a horizontal bar with arrows indicating motion or force direction (no text or symbols)

Mount Indoor Unit

Unit Parts

NOTE: The installation must be performed in accordance with the requirement of local and national standards. The installation may be slightly different in different areas.

EAS Electric MAJESTIC25K - Unit Parts - 1

text_image Diagram showing air distribution system components including air break switch, fan, and power supply connections with numbered parts.

① Wall Mounting Plate
② Front Panel
③ Power Cable (Some Units)
④ Louver

⑤ Functional Filter (On Back of Main Filter - Some Units)
⑥ Drainage Pipe
⑦ Signal Cable
⑧ Refrigerant Piping

⑨ Remote Controller
⑩ Remote controller Holder (Some Units)
⑪ Outdoor Unit Power Cable (Some Units)

NOTE ON ILLUSTRATIONS

Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly different. The actual shape shall prevail.

Indoor Unit Installation

Installation Instructions – Indoor unit

PRIOR TO INSTALLATION

Before installing the indoor unit, refer to the label on the product box to make sure that the model number of the indoor unit matches the model number of the outdoor unit.

Step 1: Select installation location

Before installing the indoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit.

Proper installation locations meet the following standards:

√ Good air circulation
√ Convenient drainage
√ Noise from the unit will not disturb other people
√ Firm and solid—the location will not vibrate
√ Strong enough to support the weight of the unit
√ A location at least one meter from all other electrical devices (e.g., TV, radio, computer)

DO NOT install unit in the following locations:

∅ Near any source of heat, steam, or combustible gas
∅ Near flammable items such as curtains or clothing
∅ Near any obstacle that might block air circulation
∅ Near the doorway
∅ In a location subject to direct sunlight

NOTE ABOUT WALL HOLE:

If there is no fixed refrigerant piping:

While choosing a location, be aware that you should leave ample room for a wall hole (see Drill wall hole for connective piping step) for the signal cable and refrigerant piping that connect the indoor and outdoor units. The default position for all piping is the right side of the indoor unit (while facing the unit). However, the unit can accommodate piping to both the left and right.

Refer to the following diagram to ensure proper distance from walls and ceiling:

EAS Electric MAJESTIC25K - Refer to the following diagram to ensure proper distance from walls and ceiling: - 1

text_image 15cm (5.9in) or more 12cm (4.75in) or more 12cm (4.75in) or more 2.3m (90.55in) or more

Step 2: Attach mounting plate to wall

The mounting plate is the device on which you will mount the indoor unit.

- Remove the screw that attaches the mounting plate to the back of the indoor unit.

EAS Electric MAJESTIC25K - Step 2: Attach mounting plate to wall - 1

text_image Screw

- Secure the mounting plate to the wall with the screws provided. Make sure that mounting plate is flat against the wall.

NOTE FOR CONCRETE OR BRICK WALLS:

If the wall is made of brick, concrete, or similar material, drill 5mm-diameter (0.2in-diameter) holes in the wall and insert the sleeve anchors provided. Then secure the mounting plate to the wall by tightening the screws directly into the clip anchors.

Step 3: Drill wall hole for connective piping

  1. Determine the location of the wall hole based on the position of the mounting plate. Refer to Mounting Plate Dimensions.

  2. Using a 65mm (2.5in) or 90mm(3.54in) (depending on models) core drill, drill a hole in the wall. Make sure that the hole is drilled at a slight downward angle, so that the outdoor end of the hole is lower than the indoor end by about 5mm to 7mm (0.2-0.275in). This will ensure proper water drainage.

  3. Place the protective wall cuff in the hole. This protects the edges of the hole and will help seal it when you finish the installation process.

EAS Electric MAJESTIC25K - Step 3: Drill wall hole for connective piping - 1

CAUTION

When drilling the wall hole, make sure to avoid wires, plumbing, and other sensitive components.

EAS Electric MAJESTIC25K - CAUTION - 1

text_image Wall mm7-5 (0.2-0.275in)

MOUNTING PLATE DIMENSIONS

Different models have different mounting plates. For the different customization requirements, the shape of the mounting plate may be slightly different. But the installation dimensions are the same for the same size of indoor unit. See Type A and Type B for example:

Correct orientation of Mounting Plate
EAS Electric MAJESTIC25K - MOUNTING PLATE DIMENSIONS - 1

text_image Diagram showing three identical mechanical or structural configurations with check and cross symbols indicating selection or validation.

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Type A

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natural_image Pure technical line drawing of a mechanical assembly with no text, numbers, or symbols

Type B

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text_image 348.4mm (13.7in) 179mm (7.05in) 136mm (5.35in) 37mm (1.45in) 290mm (11.4in) 49mm (1.95in) 101mm (4in) 290mm (11.4in) 722mm (28.45in) Left rear wall hole 65mm (2.5in) Right rear wall hole 65mm (2.5in) Model A

EAS Electric MAJESTIC25K - MOUNTING PLATE DIMENSIONS - 5

text_image Left rear wall hole 65mm (2.5in) 297mm (11.7in) 47mm (1.85 in) 228mm (8.98in) 802mm (31.6in) 401mm (15.78in) 229mm (9.01in) 126mm (4.96in) 42mm (1.65in) 58mm (2.28in) Right rear wall hole 65mm (2.5in) Model B

EAS Electric MAJESTIC25K - MOUNTING PLATE DIMENSIONS - 6

text_image Left rear wall hole 65mm (2.5in) 319mm (12.55in) 57mm (2.25in) 34mm (1.35in) 965mm (38in) 138mm (5.45in) 517.4mm (20.37in) 144mm (5.65in) 58mm (2.3in) Right rear wall hole 65mm (2.5in) Model C

EAS Electric MAJESTIC25K - MOUNTING PLATE DIMENSIONS - 7

text_image 578mm (22.8in) 221mm (8.7in) 298mm (11.7in) 54mm (2.1in) 79mm (3.1in) 149mm (5.9in) 54mm (2.1in) 336mm (13.2in) 49mm (1.9in) Left rear wall hole 65mm (2.5in) 138mm (5.4in) 1080mm (42.5in) 149mm (5.9in) Right rear wall hole 65mm (2.5in) Model D

EAS Electric MAJESTIC25K - MOUNTING PLATE DIMENSIONS - 8

text_image 643.6mm (25.3in) 389mm (15.3in) 257mm (10.1in) 172mm (6.8in) 332mm (13.05in) 362mm (14.25in) 52mm (2.05in) 52mm (2.05in) Left rear wall hole 90mm (3.54in) 1259mm (49.55in) Right rear wall hole 90mm (3.54in) Model E

NOTE: When the gas side connective pipe is 16mm(5/8in) or more, the wall hole should be 90mm(3.54in).

Step 4: Prepare refrigerant piping

The refrigerant piping is inside an insulating sleeve attached to the back of the unit. You must prepare the piping before passing it through the hole in the wall.

  1. Based on the position of the wall hole relative to the mounting plate, choose the side from which the piping will exit the unit.

  2. If the wall hole is behind the unit, keep the knock-out panel in place. If the wall hole is to the side of the indoor unit, remove the plastic knock-out panel from that side of the unit. This will create a slot through which your piping can exit the unit. Use needle nose pliers if the plastic panel is too difficult to remove by hand.

  3. Groove has been made in the knock-out panel in order to cut it conveniently. The size of the slot is determined by the diameter of piping.

EAS Electric MAJESTIC25K - Step 4: Prepare refrigerant piping - 1
Knock-out Panel

  1. If existing connective piping is already embedded in the wall, proceed directly to the Connect Drain Hose step. If there is no embedded piping, connect the indoor unit's refrigerant piping to the connective piping that will join the indoor and outdoor units. Refer to the Refrigerant Piping Connection section of this manual for detailed instructions.

NOTE ON PIPING ANGLE

Refrigerant piping can exit the indoor unit from four different angles: Left-hand side, Right-hand side, Left rear, Right rear.

EAS Electric MAJESTIC25K - NOTE ON PIPING ANGLE - 1

natural_image Technical line drawing of two rectangular electronic components with coiled leads and internal channels (no text or symbols)

EAS Electric MAJESTIC25K - NOTE ON PIPING ANGLE - 2

CAUTION

Be extremely careful not to dent or damage the piping while bending them away from the unit. Any dents in the piping will affect the unit's performance.

Step 5: Connect drain hose

By default, the drain hose is attached to the left-hand side of unit (when you're facing the back of the unit). However, it can also be attached to the right-hand side. To ensure proper drainage, attach the drain hose on the same side that your refrigerant piping exits the unit. Attach drain hose extension (purchased separately) to the end of drain hose.

  • Wrap the connection point firmly with Teflon tape to ensure a good seal and to prevent leaks.
  • For the portion of the drain hose that will remain indoors, wrap it with foam pipe insulation to prevent condensation.
  • Remove the air filter and pour a small amount of water into the drain pan to make sure that water flows from the unit smoothly.

EAS Electric MAJESTIC25K - Step 5: Connect drain hose - 1

NOTE ON DRAIN HOSE PLACEMENT

Make sure to arrange the drain hose according to the following figures.

EAS Electric MAJESTIC25K - NOTE ON DRAIN HOSE PLACEMENT - 1

natural_image Simple line drawing of a mechanical joint or bracket with a checkmark (no text or symbols)

CORRECT

Make sure there are no kinks or dent in drain hose to ensure proper drainage.

EAS Electric MAJESTIC25K - NOTE ON DRAIN HOSE PLACEMENT - 2

natural_image Simple line drawing of a mechanical joint or bracket with a cross symbol (no text or labels)

NOT CORRECT

Kinks in the drain hose will create water traps.

EAS Electric MAJESTIC25K - NOTE ON DRAIN HOSE PLACEMENT - 3

natural_image Simple line drawing of a wall-mounted device connected to a wall, with no text or symbols present.

NOT CORRECT

Kinks in the drain hose will create water traps.

EAS Electric MAJESTIC25K - NOTE ON DRAIN HOSE PLACEMENT - 4

natural_image Simple line drawing of a toilet or sink with a wall and pipe, no text or symbols present

NOT CORRECT

Do not place the end of the drain hose in water or in containers that collect water. This will prevent proper drainage.

PLUG THE UNUSED DRAIN HOLE

EAS Electric MAJESTIC25K - PLUG THE UNUSED DRAIN HOLE - 1

To prevent unwanted leaks you must plug the unused drain hole with the rubber plug provided.

EAS Electric MAJESTIC25K - PLUG THE UNUSED DRAIN HOLE - 2

BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE REGULATIONS

  1. All wiring must comply with local and national electrical codes, regulations and must be installed by a licensed electrician.
  2. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units.
  3. If there is a serious safety issue with the power supply, stop work immediately. Explain your reasoning to the client, and refuse to install the unit until the safety issue is properly resolved.
  4. Power voltage should be within 90-110% of rated voltage. Insufficient power supply can cause malfunction, electrical shock, or fire.
  5. If connecting power to fixed wiring, a surge protector and main power switch should be installed.
  6. If connecting power to fixed wiring, a switch or circuit breaker that disconnects all poles and has a contact separation of at least 1/8in (3mm) must be incorporated in the fixed wiring. The qualified technician must use an approved circuit breaker or switch.
  7. Only connect the unit to an individual branch circuit outlet. Do not connect another appliance to that outlet.
  8. Make sure to properly ground the air conditioner.
  9. Every wire must be firmly connected. Loose wiring can cause the terminal to overheat, resulting in product malfunction and possible fire.
  10. Do not let wires touch or rest against refrigerant tubing, the compressor, or any moving parts within the unit.
  11. If the unit has an auxiliary electric heater, it must be installed at least 1 meter (40in) away from any combustible materials.
  12. To avoid getting an electric shock, never touch the electrical components soon after the power supply has been turned off. After turning off the power, always wait 10 minutes or more before you touch the electrical components.

EAS Electric MAJESTIC25K - BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE REGULATIONS - 1

WARNING

BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK, TURN OFF THE MAIN POWER TO THE SYSTEM.

Step 6: Connect signal and power cables

The signal cable enables communication between the indoor and outdoor units. You must first choose the right cable size before preparing it for connection.

Cable Types

Indoor Power Cable (if applicable):

H05VV-F or H05V2V2-F

Outdoor Power Cable: H07RN-F or H05RN-F

Signal Cable: H07RN-F

Minimum Cross-Sectional Area of Power and Signal Cables (For reference)

Rated Current of Appliance (A)Nominal Cross-Sectional Area ( mm^2 )
>3 and ≤60.75
>6 and ≤101
>10 and ≤161.5
>16 and ≤252.5
>25 and ≤324
>32 and ≤406

CHOOSE THE RIGHT CABLE SIZE

The size of the power supply cable, signal cable, fuse, and switch needed is determined by the maximum current of the unit. The maximum current is indicated on the nameplate located on the side panel of the unit. Refer to this nameplate to choose the right cable, fuse, or switch.

  1. Open front panel of the indoor unit.
  2. Using a screwdriver, open the wire box cover on the right side of the unit. This will reveal the terminal block.

EAS Electric MAJESTIC25K - CHOOSE THE RIGHT CABLE SIZE - 1

text_image Terminal block Wire cover Screw Cable clamp

EAS Electric MAJESTIC25K - CHOOSE THE RIGHT CABLE SIZE - 2

WARNING

ALL WIRING MUST BE PERFORMED STRICTLY IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED ON THE BACK OF THE INDOOR UNIT'S FRONT PANEL.

  1. Unscrew the cable clamp below the terminal block and place it to the side.
  2. Facing the back of the unit, remove the plastic panel on the bottom left-hand side.
  3. Feed the signal wire through this slot, from the back of the unit to the front.
  4. Facing the front of the unit, connect the wire according to the indoor unit's wiring diagram, connect the u-lug and firmly screw each wire to its corresponding terminal.

EAS Electric MAJESTIC25K - ALL WIRING MUST BE PERFORMED STRICTLY IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED ON THE BACK OF THE INDOOR UNIT'S FRONT PANEL. - 1

CAUTION

DO NOT MIX UP LIVE AND NULL WIRES

This is dangerous, and can cause the air conditioning unit to malfunction.

  1. After checking to make sure every connection is secure, use the cable clamp to fasten the signal cable to the unit. Screw the cable clamp down tightly.
  2. Replace the wire cover on the front of the unit, and the plastic panel on the back.

NOTE ABOUT WIRING

THE WIRING CONNECTION PROCESS MAY DIFFER SLIGHTLY BETWEEN UNITS AND REGIONS.

Step 7: Wrappiping and cables

Before passing the piping, drain hose, and the signal cable through the wall hole, you must bundle them together to save space, protect them, and insulate them.

  1. Bundle the drain hose, refrigerant pipes, and signal cable as shown below:

EAS Electric MAJESTIC25K - Step 7: Wrappiping and cables - 1

text_image Space behind unit Refrigerant piping Signal wire Drain hose

DRAIN HOSE MUST BE ON BOTTOM

Make sure that the drain hose is at the bottom of the bundle. Putting the drain hose at the top of the bundle can cause the drain pan to overflow, which can lead to fire or water damage.

DO NOT INTERTWINE SIGNAL CABLE WITH OTHER WIRES

While bundling these items together, do not intertwine or cross the signal cable with any other wiring.

  1. Using adhesive vinyl tape, attach the drain hose to the underside of the refrigerant pipes.
  2. Using insulation tape, wrap the signal wire, refrigerant pipes, and drain hose tightly together. Double-check that all items are bundled.

DO NOT WRAP ENDS OF PIPING

When wrapping the bundle, keep the ends of the piping unwrapped. You need to access them to test for leaks at the end of the installation process (refer to Electrical Checks and Leak Checks section of this manual).

Step 8: Mount indoor unit

If you installed new connective piping to the outdoor unit, do the following:

  1. If you have already passed the refrigerant piping through the hole in the wall, proceed to Step 4.
  2. Otherwise, double-check that the ends of the refrigerant pipes are sealed to prevent dirt or foreign materials from entering the pipes.
  3. Slowly pass the wrapped bundle of refrigerant pipes, drain hose, and signal wire through the hole in the wall.
  4. Hook the top of the indoor unit on the upper hook of the mounting plate.
  5. Check that unit is hooked firmly on mounting by applying slight pressure to the left and right-hand sides of the unit. The unit should not jiggle or shift.
  6. Using even pressure, push down on the bottom half of the unit. Keep pushing down until the unit snaps onto the hooks along the bottom of the mounting plate.
  7. Again, check that the unit is firmly mounted by applying slight pressure to the left and the right-hand sides of the unit.

If refrigerant piping is already embedded in the wall, do the following:

  1. Hook the top of the indoor unit on the upper hook of the mounting plate.
  2. Use a bracket or wedge to prop up the unit, giving you enough room to connect the refrigerant piping, signal cable, and drain hose.

EAS Electric MAJESTIC25K - If refrigerant piping is already embedded in the wall, do the following: - 1

text_image 30° Wedge
  1. Connect drain hose and refrigerant piping (refer to Refrigerant Piping Connection section of this manual for instructions).

  2. Keep pipe connection point exposed to perform the leak test (refer to Electrical Checks and Leak Checks section of this manual).

  3. After the leak test, wrap the connection point with insulation tape.

  4. Remove the bracket or wedge that is propping up the unit.

  5. Using even pressure, push down on the bottom half of the unit. Keep pushing down until the unit snaps onto the hooks along the bottom of the mounting plate.

UNIT IS ADJUSTABLE

Keep in mind that the hooks on the mounting plate are smaller than the holes on the back of the unit. If you find that you don't have ample room to connect embedded pipes to the indoor unit, the unit can be adjusted left or right by about 30-50mm (1.18-1.96in), depending on the model.

EAS Electric MAJESTIC25K - UNIT IS ADJUSTABLE - 1

text_image 30-50mm (1.18-1.96in) Move to left or right 30-50mm (1.18-1.96in)

Outdoor Unit Installation

Install the unit by following local codes and regulations, there may be differ slightly between different regions.

EAS Electric MAJESTIC25K - Outdoor Unit Installation - 1

text_image 30cm (12in) on left 200cm (79in) in front 30cm (12in) from back wall 60cm (24in) on right

Installation Instructions – Outdoor unit

Step 1: Select installation location

Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit.

Proper installation locations meet the following standards:

√ Meets all spatial requirements shown in Installation Space Requirements above.

√ Good air circulation and ventilation

√ Firm and solid—the location can support the unit and will not vibrate

√ Noise from the unit will not disturb others

√ Protected from prolonged periods of direct sunlight or rain

√ Where snowfall is anticipated, raise the unit above the base pad to prevent ice buildup and coil damage. Mount the unit high enough to be above the average accumulated area snowfall. The minimum height must be 18 inches

DO NOT install unit in the following locations:

∅ Near an obstacle that will block air inlets and outlets
Near a public street, crowded areas, or where noise from the unit will disturb others
Near animals or plants that will be harmed by hot air discharge
∅ Near any source of combustible gas
∅ In a location that is exposed to large amounts of dust
∅ In a location exposed to a excessive amounts of salty air

If the unit is exposed to heavy wind:

Install unit so that air outlet fan is at a 90° angle to the direction of the wind. If needed, build a barrier in front of the unit to protect it from extremely heavy winds.

See Figures below.

EAS Electric MAJESTIC25K - If the unit is exposed to heavy wind: - 1

text_image Strong wind Strong wind Wind Baffle Strong wind

If the unit is frequently exposed to heavy rain or snow:

Build a shelter above the unit to protect it from the rain or snow. Be careful not to obstruct air flow around the unit.

If the unit is frequently exposed to salty air (seaside):

Use outdoor unit that is specially designed to resist corrosion.

Step 2: Install drain joint(Heat pump unit only)

Before bolting the outdoor unit in place, you must install the drain joint at the bottom of the unit. Note that there are two different types of drain joints depending on the type of outdoor unit.

If the drain joint comes with a rubber seal (see Fig. A), do the following:

  1. Fit the rubber seal on the end of the drain joint that will connect to the outdoor unit.
  2. Insert the drain joint into the hole in the base pan of the unit.
  3. Rotate the drain joint 90° until it clicks in place facing the front of the unit.
  4. Connect a drain hose extension (not included) to the drain joint to redirect water from the unit during heating mode.

If the drain joint doesn't come with a rubber seal (see Fig. B), do the following:

  1. Insert the drain joint into the hole in the base pan of the unit. The drain joint will click in place.
  2. Connect a drain hose extension (not included) to the drain joint to redirect water from the unit during heating mode.

EAS Electric MAJESTIC25K - If the drain joint doesn't come with a rubber seal (see Fig. B), do the following: - 1

text_image Base pan hole of outdoor unit Seal Seal Drain joint

(A) (B)

EAS Electric MAJESTIC25K - If the drain joint doesn't come with a rubber seal (see Fig. B), do the following: - 2

IN COLD CLIMATES

In cold climates, make sure that the drain hose is as vertical as possible to ensure swift water drainage. If water drains too slowly, it can freeze in the hose and flood the unit.

Step 3: Anchor outdoor unit

The outdoor unit can be anchored to the ground or to a wall-mounted bracket with bolt(M10). Prepare the installation base of the unit according to the dimensions below.

UNIT MOUNTING DIMENSIONS

The following is a list of different outdoor unit sizes and the distance between their mounting feet. Prepare the installation base of the unit according to the dimensions below.

EAS Electric MAJESTIC25K - UNIT MOUNTING DIMENSIONS - 1

text_image A Air inlet Air inlet B Air outlet

EAS Electric MAJESTIC25K - UNIT MOUNTING DIMENSIONS - 2

natural_image Technical line drawing of a front-end air conditioner unit with labeled dimensions H and W (no text or symbols beyond labels)
Outdoor Unit Dimensions (mm)W x H x DMounting DimensionsDistance A (mm) Distance B (mm)
681x434x285 (26.8"x 17.1"x 11.2") 460 (18.1")292 (11.5")
700x550x270 (27.5"x 21.6"x 10.6") 450 (17.7")260 (10.2")
700x550x275 (27.5"x 21.6"x 10.8")450 (17.7")260 (10.2")
720x495x270 (28.3"x 19.5"x 10.6")452 (17.8")255 (10.0")
728x555x300 (28.7"x 21.8"x 11.8")452 (17.8")302(11.9")
765x555x303 (30.1"x 21.8"x 11.9")452 (17.8")286(11.3")
770x555x300 (30.3"x 21.8"x 11.8")487 (19.2")298 (11.7")
805x554x330 (31.7"x 21.8"x 12.9")511 (20.1")317 (12.5")
800x554x333 (31.5"x 21.8"x 13.1")514 (20.2")340 (13.4")
845x702x363 (33.3"x 27.6"x 14.3")540 (21.3")350 (13.8")
890x673x342 (35.0"x 26.5"x 13.5")663 (26.1")354 (13.9")
946x810x420 (37.2"x 31.9"x 16.5")673 (26.5")403 (15.9")
946x810x410 (37.2"x 31.9"x 16.1")673 (26.5")403 (15.9")

If you will install the unit on the ground or on a concrete mounting platform, do the following:

  1. Mark the positions for four expansion bolts based on dimensions chart.
  2. Pre-drill holes for expansion bolts.
  3. Place a nut on the end of each expansion bolt.
  4. Hammer expansion bolts into the pre-drilled holes.
  5. Remove the nuts from expansion bolts, and place outdoor unit on bolts.
  6. Put washer on each expansion bolt, then replace the nuts.
  7. Using a wrench, tighten each nut until snug.

EAS Electric MAJESTIC25K - If you will install the unit on the ground or on a concrete mounting platform, do the following: - 1

WARNING

WHEN DRILLING INTO CONCRETE, EYE PROTECTION IS RECOMMENDED AT ALL TIMES.

If you will install the unit on a wall-mounted bracket, do the following:

EAS Electric MAJESTIC25K - WARNING - 1

CAUTION

Make sure that the wall is made of solid brick, concrete, or of similarly strong material. The wall must be able to support at least four times the weight of the unit.

  1. Mark the position of bracket holes based on dimensions chart.
  2. Pre-drill the holes for the expansion bolts.
  3. Place a washer and nut on the end of each expansion bolt.
  4. Thread expansion bolts through holes in mounting brackets, put mounting brackets in position, and hammer expansion bolts into the wall.
  5. Check that the mounting brackets are level.
  6. Carefully lift unit and place its mounting feet on brackets.
  7. Bolt the unit firmly to the brackets.
  8. If allowed, install the unit with rubber gaskets to reduce vibrations and noise.

Step 4: Connect signal and power cables

The outside unit's terminal block is protected by an electrical wiring cover on the side of the unit. A comprehensive wiring diagram is printed on the inside of the wiring cover.

EAS Electric MAJESTIC25K - Step 4: Connect signal and power cables - 1

WARNING

BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK, TURN OFF THE MAIN POWER TO THE SYSTEM.

  1. Prepare the cable for connection:

USE THE RIGHT CABLE

Please choose the right cable refer to "Cable types" in page 23.

CHOOSE THE RIGHT CABLE SIZE

The size of the power supply cable, signal cable, fuse, and switch needed is determined by the maximum current of the unit. The maximum current is indicated on the nameplate located on the side panel of the unit.

a. Using wire strippers, strip the rubber jacket from both ends of cable to reveal about 40mm (1.57in) of the wires inside.
b. Strip the insulation from the ends of the wires.
c. Using a wire crimper, crimp u-lugs on the ends of the wires.

PAY ATTENTION TO LIVE WIRE

While crimping wires, make sure you clearly distinguish the Live ("L") Wire from other wires.

EAS Electric MAJESTIC25K - PAY ATTENTION TO LIVE WIRE - 1

WARNING

ALL WIRING WORK MUST BE PERFORMED STRICTLY IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED INSIDE OF WIRE COVER OF THE OUTDOOR UNIT.

  1. Unscrew the electrical wiring cover and remove it.
  2. Unscrew the cable clamp below the terminal block and place it to the side.
  3. Connect the wire according to the wiring diagram, and firmly screw the u-lug of each wire to its corresponding terminal.
  4. After checking to make sure every connection is secure, loop the wires around to prevent rain water from flowing into the terminal.
  5. Using the cable clamp, fasten the cable to the unit. Screw the cable clamp down tightly.

  6. Insulate unused wires with PVC electrical tape. Arrange them so that they do not touch any electrical or metal parts.

  7. Replace the wire cover on the side of the unit, and screw it in place.

EAS Electric MAJESTIC25K - ALL WIRING WORK MUST BE PERFORMED STRICTLY IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED INSIDE OF WIRE COVER OF THE OUTDOOR UNIT. - 1

text_image Cover Screw

NOTE: If the cable clamp looks like the following, please select the appropriate through-hole according to the diameter of the wire.

EAS Electric MAJESTIC25K - ALL WIRING WORK MUST BE PERFORMED STRICTLY IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED INSIDE OF WIRE COVER OF THE OUTDOOR UNIT. - 2

natural_image 3D mechanical component with labeled Buckle component (no other text or symbols)

Three size hole: Small, Large, Medium

EAS Electric MAJESTIC25K - ALL WIRING WORK MUST BE PERFORMED STRICTLY IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED INSIDE OF WIRE COVER OF THE OUTDOOR UNIT. - 3

natural_image 3D mechanical component diagram with no visible text or symbols

buckle to prop it up, so it can be clamped tightly.

Refrigerant Piping Connection

When connecting refrigerant piping, do not let substances or gases other than the specified refrigerant enter the unit. The presence of other gases or substances will lower the unit's capacity, and can cause abnormally high pressure in the refrigeration cycle. This can cause explosion and injury.

Note on Pipe Length

The length of refrigerant piping will affect the performance and energy efficiency of the unit. Nominal efficiency is tested on units with a pipe length of 5 meters (16.5ft). A minimum pipe run of 3 metres is

meters(32.8ft).

Refer to the table below for specifications on the maximum length and drop height of piping.

Maximum Length and Drop Height of Refrigerant Piping per Unit Model

Model Capacity (BTU/h) Max. Length (m) Max. Drop Height (m)
R32 Inverter Split Air Conditioner< 15,000 25 (82ft)10 (33ft)
≥ 15,000 and < 24,000 30 (98.5ft) 20 (66ft)
≥ 24,000 and < 36,000 50 (164ft) 25 (82ft)

Connection Instructions – Refrigerant Piping

Step 1: Cut pipes

When preparing refrigerant pipes, take extra care to cut and flare them properly. This will ensure efficient operation and minimize the need for future maintenance.

  1. Measure the distance between the indoor and outdoor units.
  2. Using a pipe cutter, cut the pipe a little longer than the measured distance.
  3. Make sure that the pipe is cut at a perfect 90^ angle.

EAS Electric MAJESTIC25K - Step 1: Cut pipes - 1

text_image 90° Oblique Rough Warped

EAS Electric MAJESTIC25K - Step 1: Cut pipes - 2

DO NOT DEFORM PIPE WHILE CUTTING

Be extra careful not to damage, dent, or deform the pipe while cutting. This will drastically reduce the heating efficiency of the unit.

Step 2: Remove burrs

Burrs can affect the air-tight seal of refrigerant piping connection. They must be completely removed.

  1. Hold the pipe at a downward angle to prevent burrs from falling into the pipe.
  2. Using a reamer or deburring tool, remove all burrs from the cut section of the pipe.

EAS Electric MAJESTIC25K - Step 2: Remove burrs - 1

text_image Pipe Reamer Point down

Step 3: Flare pipe ends

Proper flaring is essential to achieve an airtight seal.

  1. After removing burrs from cut pipe, seal the ends with PVC tape to prevent foreign materials from entering the pipe.
  2. Sheath the pipe with insulating material.
  3. Place flare nuts on both ends of pipe. Make sure they are facing in the right direction, because you can't put them on or change their direction after flaring.

EAS Electric MAJESTIC25K - Step 3: Flare pipe ends - 1

text_image Flare nut Copper pipe
  1. Remove PVC tape from ends of pipe when ready to perform flaring work.
  2. Clamp flare form on the end of the pipe. The end of the pipe must extend beyond the edge of the flare form in accordance with the dimensions shown in the table below.

EAS Electric MAJESTIC25K - Step 3: Flare pipe ends - 2

natural_image Illustration of a hand gripping a tool with multiple circular components, no text or symbols present.

PIPING EXTENSION BEYOND FLARE FORM

Outer Diameter of Pipe (mm)A (mm) Min. Max.
∅ 6.35 (∅ 0.25")0.7 (0.0275")1.3 (0.05")
∅ 9.52 (∅ 0.375")1.0 (0.04")1.6 (0.063")
∅12.7 (∅ 0.5") 1.0(0.04") 1.8 (0.07")
∅ 16 (∅ 0.63")2.0 (0.078") 22 (0.086")
∅ 19 (∅ 0.75")2.0 (0.078") 24 (0.094")

EAS Electric MAJESTIC25K - Step 3: Flare pipe ends - 3

text_image Flare form A Pipe
  1. Place flaring tool onto the form.
  2. Turn the handle of the flaring tool clockwise until the pipe is fully flared.
  3. Remove the flaring tool and flare form, then inspect the end of the pipe for cracks and even flaring.

Step 4: Connect pipes

When connecting refrigerant pipes, be careful not to use excessive torque or to deform the piping in any way. You should first connect the low-pressure pipe, then the high-pressure pipe.

MINIMUM BEND RADIUS

When bending connective refrigerant piping, the minimum bending radius is 10cm.

EAS Electric MAJESTIC25K - MINIMUM BEND RADIUS - 1

text_image Radius≥10cm (4in)

Instructions for Connecting Piping to Indoor Unit

  1. Align the center of the two pipes that you will connect.

EAS Electric MAJESTIC25K - Instructions for Connecting Piping to Indoor Unit - 1

natural_image Diagram showing two mechanical components with a directional arrow indicating movement or force (no text or symbols present)
  1. Tighten the flare nut as tightly as possible by hand.

  2. Using a spanner, grip the nut on the unit tubing.

  3. While firmly gripping the nut on the unit tubing, use a torque wrench to tighten the flare nut according to the torque values in the

Torque Requirements table below. Loosen the flaring nut slightly, then tighten again.

EAS Electric MAJESTIC25K - Instructions for Connecting Piping to Indoor Unit - 2

natural_image Illustration of a hand using a tool to lift a mechanical component (no text or symbols)

TORQUE REQUIREMENTS

Outer Diameter of Pipe (mm)Tightening TorqueFlare dimension(B) (mm)Flare shape
∅ 6.35 (∅ 0.25")18~20(180~200kgf.cm)8.4~8.7 (0.33~0.34")EAS Electric MAJESTIC25K - Instructions for Connecting Piping to Indoor Unit - 3
∅ 9.52 (∅ 0.375")32~39(320~390kgf.cm)13.2~13.5 (0.52~0.53")
∅ 12.7 (∅ 0.5")49~59(490~590kgf.cm)16.2~16.5 (0.64~0.65")
∅ 16 (∅ 0.63")57~71(570~710kgf.cm)19.2~19.7 (0.76~0.78")
∅ 19 (∅ 0.75")67~101(670~1010kgf.cm)23.2~23.7 (0.91~0.93")

EAS Electric MAJESTIC25K - Instructions for Connecting Piping to Indoor Unit - 4

DO NOT USE EXCESSIVE TORQUE

Excessive force can break the nut or damage the refrigerant piping. You must not exceed torque requirements shown in the table above.

Instructions for Connecting Piping to Outdoor Unit

  1. Unscrew the cover from the packed valve on the side of the outdoor unit.
  2. Remove protective caps from ends of valves.
  3. Align flared pipe end with each valve, and tighten the flare nut as tightly as possible by hand.
  4. Using a spanner, grip the body of the valve. Do not grip the nut that seals the service valve.

EAS Electric MAJESTIC25K - Instructions for Connecting Piping to Outdoor Unit - 1

text_image Valve cover
  1. While firmly gripping the body of the valve, use a torque wrench to tighten the flare nut according to the correct torque values.

  2. Loosen the flaring nut slightly, then tighten again.

  3. Repeat Steps 3 to 6 for the remaining pipe.

EAS Electric MAJESTIC25K - Instructions for Connecting Piping to Outdoor Unit - 2

USE SPANNER TO GRIP MAIN BODY OF VALVE

Torque from tightening the flare nut can snap off other parts of valve.

EAS Electric MAJESTIC25K - USE SPANNER TO GRIP MAIN BODY OF VALVE - 1

natural_image Line drawing of hands using a tool to handle a mechanical component (no text or symbols)

Air Evacuation

Preparations and Precautions

Air and foreign matter in the refrigerant circuit can cause abnormal rises in pressure, which can damage the air conditioner, reduce its efficiency, and cause injury. Use a vacuum pump and manifold gauge to evacuate the refrigerant circuit, removing any non-condensable gas and moisture from the system.

Evacuation should be performed upon initial installation and when unit is relocated.

BEFORE PERFORMING EVACUATION

√ Check to make sure the connective pipes between the indoor and outdoor units are connected properly.
√ Check to make sure all wiring is connected properly.

Evacuation Instructions

  1. Connect the charge hose of the manifold gauge to service port on the outdoor unit's low pressure valve.
  2. Connect another charge hose from the manifold gauge to the vacuum pump.
  3. Open the Low Pressure side of the manifold gauge. Keep the High Pressure side closed.
  4. Turn on the vacuum pump to evacuate the system.
  5. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG (-10 ^5 Pa).

EAS Electric MAJESTIC25K - Evacuation Instructions - 1

text_image Compound gauge -76cmHg Pressure gauge High pressure valve Low pressure valve Pressure hose / Charge hose Charge hose Vacuum pump Low pressure valve
  1. Close the Low Pressure side of the manifold gauge, and turn off the vacuum pump.

  2. Wait for 5 minutes, then check that there has been no change in system pressure.

  3. If there is a change in system pressure, refer to Gas Leak Check section for information on how to check for leaks. If there is no change in system pressure, unscrew the cap

  4. from the packed valve (high pressure valve). Insert hexagonal wrench into the packed valve (high pressure valve) and open the valve by turning the wrench in a 1/4 counterclockwise turn. Listen for gas to exit the system, then close the valve after 5 seconds.
  5. Watch the Pressure Gauge for one minute to make sure that there is no change in pressure. The Pressure Gauge should read slightly higher than atmospheric pressure.
  6. Remove the charge hose from the service port.

EAS Electric MAJESTIC25K - Evacuation Instructions - 2

text_image Flare nut valve body valve stem Cap
  1. Using hexagonal wrench, fully open both the high pressure and low pressure valves.

  2. Tighten valve caps on all three valves (service port, high pressure, low pressure) by hand. You may tighten it further using a torque wrench if needed.

! OPEN VALVE STEMS GENTLY

When opening valve stems, turn the hexagonal wrench until it hits against the stopper. Do not try to force the valve to open further.

Note on Adding Refrigerant

from the service port on the outdoor unit's low pressure valve. The additional refrigerant to be charged can be calculated using the following formula:

ADDITIONAL REFRIGERANT PER PIPE LENGTH

Connective Pipe Length (m)Air Purging MethodAdditional Refrigerant
≤ Standard pipe lengthVacuum Pump N/A
> Standard pipe lengthVacuum PumpLiquid Side: ∅ 6.35 (∅ 0.25")R32:(Pipe length – standard length) x 12g/m(Pipe length – standard length) x 0.13oZ/ftLiquid Side: ∅ 9.52 (∅ 0.375")R32:(Pipe length – standard length) x 24g/m(Pipe length – standard length) x 0.26oZ/ft

EAS Electric MAJESTIC25K - Note on Adding Refrigerant - 1

CAUTION DO NOT mix refrigerant types.

EAS Electric MAJESTIC25K - Note on Adding Refrigerant - 2

natural_image Symbol of a trash bin crossed with no text or labels, accompanied by a black rectangular block below (no text or symbols present)

DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.

The european directive 2012/19 /UE on wasted electrical and electronic equipments (WEEE), requires that household electrical appliances must not be disposed of in the normal unsorted municipal waste stream. appliances must be collected separately in order to optimize the recovery and recycling of the materials they contain, and reduce the impact on human health and the environment.

The crossed out “wheeled bin” symbol on the product reminds you of your obligation, that when you disposed of the appliances, it must be separately collected. Consumers should contact their local authority or retailer for information concerning the correct disposal of their old appliance.

Electrical and Gas Leak Checks

Before Test Run

Only perform test run after you have completed the following steps:

Electrical Safety Checks – Confirm that the unit's electrical system is safe and operating properly

Gas Leak Checks – Check all flare nut connections and confirm that the system is not leaking

Confirm that gas and liquid (high and low pressure) valves are fully open

Electrical Safety Checks

After installation, confirm that all electrical wiring is installed in accordance with local and national regulations, and according to the Installation Manual.

BEFORE TEST RUN

Check Grounding Work

Measure grounding resistance by visual detection and with grounding resistance tester. Grounding resistance must be less than 0.1 .

Note: This may not be required for some locations in North America.

DURING TEST RUN

Check for Electrical Leakage

During the Test Run, use an electroprobe and multimeter to perform a comprehensive electrical leakage test.

If electrical leakage is detected, turn off the unit immediately and call a licensed electrician to find and resolve the cause of the leakage.

Note: This may not be required for some locations in North America.

EAS Electric MAJESTIC25K - Check for Electrical Leakage - 1

WARNING – RISK OF ELECTRIC SHOCK

ALL WIRING MUST COMPLY WITH LOCAL AND NATIONAL ELECTRICAL CODES, AND MUST BE INSTALLED BY A LICENSED ELECTRICIAN.

Gas Leak Checks

There are two different methods to check for gas leaks.

Soap and Water Method

Using a soft brush, apply soapy water or liquid detergent to all pipe connection points on the indoor unit and outdoor unit. The presence of bubbles indicates a leak.

Leak Detector Method

If using leak detector, refer to the device's operation manual for proper usage instructions.

AFTER PERFORMING GAS LEAK CHECKS

After confirming that the all pipe connection points DO NOT leak, replace the valve cover on the outside unit.

EAS Electric MAJESTIC25K - AFTER PERFORMING GAS LEAK CHECKS - 1

text_image Check-point of indoor unit Check-point of outdoor unit A B C D

A: Low pressure stop valve
B: High pressure stop valve
C& D: Indoor unit flare nuts

Test Run

Test Run Instructions

You should perform the Test Run for at least 30 minutes.

  1. Connect power to the unit.
  2. Press the ON/OFF button on the remote controller to turn it on.
  3. Press the MODE button to scroll through the following functions, one at a time:
    COOL – Select lowest possible temperature HEAT – Select highest possible temperature
  4. Let each function run for 5 minutes, and perform the following checks:

List of Checks to Perform PASS/FAIL

No electrical leakage
Unit is properly grounded
All electrical terminals properly covered
Indoor and outdoor units are solidly installed
All pipe connection points do not leakOutdoor (2):Indoor (2):
Water drains properly from drain hose
All piping is properly insulated
Unit performs COOL function properly
Unit performs HEAT function properly
Indoor unit louvers rotate properly
Indoor unit responds to remote controller

DOUBLE-CHECK PIPE CONNECTIONS

During operation, the pressure of the refrigerant circuit will increase. This may reveal leaks that were not present during your initial leak check. Take time during the Test Run to double-check that all refrigerant pipe connection points do not have leaks. Refer to Gas Leak Check section for instructions.

  1. After the Test Run is successfully completed, and you confirm that all checks points in List of Checks to Perform have PASSED, do the following:

a. Using remote control, return unit to normal operating temperature.
b. Using insulation tape, wrap the indoor refrigerant pipe connections that you left uncovered during the indoor unit installation process.

IF AMBIENT TEMPERATURE IS BELOW 17°C (62°F)

You can't use the remote controller to turn on the COOL function when the ambient temperature is below 17°C. In this instance, you can use the MANUAL CONTROL button to test the COOL function.

  1. Lift the front panel of the indoor unit, and raise it until it clicks in place.
  2. The MANUAL CONTROL button is located on the right-hand side of the unit. Press it 2 times to select the COOL function.
  3. Perform Test Run as normal.

EAS Electric MAJESTIC25K - IF AMBIENT TEMPERATURE IS BELOW 17°C (62°F) - 1

text_image Manual control button

WARRANTY CONDITIONS

EAS ELECTRIC offers a repair guarantee against all manufacturing defects, including labour and spare parts, within the terms and conditions indicated below:

3 years: Domestic Range, Commercial Range, Domestic VRF, M-Thermal Monoblock and Biblock, Domestic Fan Coils, DHW aerothermal storage heaters, Swimming Pool Heat Pumps, Domestic Minichillers, Compact solar heaters, Thermosiphons, Purifiers, Dehumidifiers and other air treatment appliances.

2 years: High pressure ducted, VRF and centrifugal VRF for professional use, Minichillers for professional use, Modular Chillers, Fan Coils for professional use and Air Curtains.

5 years: Buffer tanks, and compressor (component only) for all units.

7 years (mainland Spain)/3 years (Canary Islands and Balearic Islands): Hot water cylinders (Inter)

service is required after installation in order to be eligible for warranty coverage.

This period shall be counted from the date of sale, which must be justified by presenting the purchase invoice. The conditions of this warranty apply only to Spain and Portugal. If you have purchased this product in another country, please consult your dealer for the applicable conditions.

WARRANTY EXCLUSIONS

Design and specifications are subject to change without notice for product improvement. Any modifications to this manual will be updated on our website, please check the latest version.

EAS Electric MAJESTIC25K - WARRANTY EXCLUSIONS - 1

EAS ELECTRIC

SMART TECHNOLOGY

www.easelectric.es

Contenu

<=2250 frigories: 13m^2

2250 y <=3000 frigories: 17m ^2

3000 y <=4500 frigories: 26m ^2

4500 y <=6000 frigories: 35m ^2

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EAS Electric MAJESTIC25K - Contenu - 1

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EAS Electric MAJESTIC25K - Contenu - 2

ATTENTION

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text_image Warning symbol with crossed-out lightning bolt inside a circle, indicating no protection or resistance.
natural_image Technical line drawing of a mechanical device with no visible text or symbols
natural_image Cross-sectional diagram of a hazard symbol (no text or labels)
natural_image Diagram of a 3D grid structure with hatched fill and an arrow labeled 'n' pointing to the top-right corner (no text or symbols beyond basic geometry)
natural_image Symbol of a prohibition sign with water droplets inside, no text or numbers present
natural_image Technical line drawing of a mechanical device with internal components (no text or symbols)
natural_image Technical diagram of a mechanical device with labeled components and alignment indicators (no readable text or symbols)
natural_image Illustration of a hand using a tool to adjust a component, with no visible text or symbols.
natural_image Mechanical diagram showing a tool interacting with a bolt and valve (no text or symbols present)
natural_image Illustration of hands holding a black object over a textured horizontal bar (no text or symbols)
natural_image Diagram of a cable being inserted into a coiled wire, showing layered structure and cable ends (no text or symbols)
natural_image Illustration of two hands holding a horizontal bar with upward arrows, no text or symbols present
text_image Diagram showing air conditioning system components with numbered parts and labels like 'Interrupteur' and fan installation
text_image Diagram showing three structural configurations with check and cross symbols indicating selection or validation states

EAS Electric MAJESTIC25K - ATTENTION - 1

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Tipo A

EAS Electric MAJESTIC25K - ATTENTION - 2

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Tipo B

EAS Electric MAJESTIC25K - ATTENTION - 3

text_image Trou arrière gauche 65mm 290mm (11.4in) 49mm (1.95in) 101mm (4in) 722mm (28.45in) 348.4mm (13.7in) 179mm (7.05in) 136mm (5.35in) 37mm (1.45in) Silhouette de l'unité intérieure 49mm (1.95in) Trou arrière droit 65mm (2.5in) Modèle A

EAS Electric MAJESTIC25K - ATTENTION - 4

text_image Trou arrière gauche 65mm 29mm (11.7in) 47mm (11.85in) 228mm (8.98in) 602mm (31.6in) Modèle B 401mm (15.78in) 229mm (9.01in) 126mm (4.96in) 42mm (1.65in) Silhouette de l'unité intérieure 50mm (2.26in) Trou arrière droit 65mm (2.5in)

EAS Electric MAJESTIC25K - ATTENTION - 5

text_image Trou arrière gauche 65mm (2.5in) 319mm (12.55in) 57mm (2.25in) 34mm (1.35in) 138mm (5.45in) 517.4mm (20.37in) 144mm (5.85in) 58mm (2.3in) Silhouette de l'unité intérieure Troue arrière droit 65mm (2.5in) 965mm (38in) 40mm (1.55in)

EAS Electric MAJESTIC25K - ATTENTION - 6

text_image 578mm (22.8in) 221mm (8.7in) 298mm (11.7in) 54mm (2.1in) Silhouette de l'unité intérieure 54mm (2.1in) 54mm (2.1in) 336mm (13.2in) 49mm (1.9in) 149mm (5.9in) 49mm (1.9in) Trou arrière gauche 65mm (2.5in) 138mm (5.4in) 1080mm (42.5in) 143mm (5.9in) Trou arrière droit 65mm (2.5in) Modèle D

EAS Electric MAJESTIC25K - ATTENTION - 7

text_image 643.6mm (25.3in) 389mm (15.3in) 257mm (10.1in) 172mm (8.8in) 332mm (13.05in) 362mm (14.25in) 52mm (2.05in) 52mm (2.05in) Trou arrière gauche 90mm (3.54in) 1259mm (49.55in) Trou arrière droit 90mm (3.54in) Modèle E Silueta unidad interior
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EAS Electric MAJESTIC25K - ATTENTION - 8

ATTENTION

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CORRECT

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INCORRECT

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INCORRECT

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INCORRECT

text_image 30-50mm (1.18-1.96in) 30-50mm (1.18-1.96in)
natural_image Technical line drawing of a front-end air conditioner unit with fan and ventilation slots (no text or symbols)
Dimensions de l'unité extérieure(mm) L x H x FoDimensions d'installationDistance A (mm) Distance B (mm)
681x434x285 (26.8"x 17.1"x 11.2") 460 (18.1")292 (11.5")
700x550x270 (27.5"x 21.6"x 10.6") 450 (17.7")260 (10.2")
700x550x275 (27.5"x 21.6"x 10.8")450 (17.7")260 (10.2")
720x495x270 (28.3"x 19.5"x 10.6")452 (17.8")255 (10.0")
728x555x300 (28.7"x 21.8"x 11.8")452 (17.8")302(11.9")
765x555x303 (30.1"x 21.8"x 11.9")452 (17.8")286(11.3")
770x555x300 (30.3"x 21.8"x 11.8")487 (19.2")298 (11.7")
805x554x330 (31.7"x 21.8"x 12.9")511 (20.1")317 (12.5")
800x554x333 (31.5"x 21.8"x 13.1")514 (20.2")340 (13.4")
845x702x363 (33.3"x 27.6"x 14.3")540 (21.3")350 (13.8")
890x673x342 (35.0"x 26.5"x 13.5")663 (26.1")354 (13.9")
946x810x420 (37.2"x 31.9"x 16.5")673 (26.5")403 (15.9")
946x810x410 (37.2"x 31.9"x 16.1")673 (26.5")403 (15.9")
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RALLONGE DE TUYAU SUR MOULE

Diamètre du tuyauA (mm)
Min.Max.
1/40.7 1.3
3/81.01.6
1/21.01.8
5/82.02.2
3/42.0 2.4

Moule d'emboîtement

EAS Electric MAJESTIC25K - ATTENTION - 1

text_image Rayon ≥10cm
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EXIGENCES DE SERRAGE

Diamètre extérieur du tuyauSerrage (N•m)Taille emboîtement (B) (mm)Forme emboîtement
1/418~20(180~200kgf.cm)8.4~8.7 (0.33~0.34")EAS Electric MAJESTIC25K - ATTENTION - 2
3/832~39(320~390kgf.cm)13.2~13.5 (0.52~0.53")
1/249~59(490~590kgf.cm)16.2~16.5 (0.64~0.65")
5/857~71(570~710kgf.cm)19.2~19.7 (0.76~0.78")
3/467~101(670~1010kgf.cm)23.2~23.7 (0.91~0.93")

EAS Electric MAJESTIC25K - ATTENTION - 3

NE PAS UTILISER DE TENSION DE SERRAGE EXCESSIVE

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Évacuation de l'air

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CONDITIONS DE LA GARANTIE

EXCLUSIONS DE LA GARANTIE

text_image Guia do defletor

Fig. B

EAS Electric MAJESTIC25K - CONDITIONS DE LA GARANTIE - 1

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EAS Electric MAJESTIC25K - CONDITIONS DE LA GARANTIE - 2

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EAS Electric MAJESTIC25K - CONDITIONS DE LA GARANTIE - 3

CUIDADO

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Filtros limpos

EAS Electric MAJESTIC25K - CUIDADO - 1

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text_image Warning symbol with crossed-out lightning bolt inside a circle, indicating no protection or resistance.
natural_image Technical line drawing of a mechanical device with internal components (no text or symbols)

Remova as pilhas do controle remoto

natural_image Cross-sectional diagram of a hazard symbol with lightning and lightning bolts (no text or labels)
natural_image 3D grid structure with hatched fill and a small arrow labeled 'n' pointing to the top-right corner (no text or symbols beyond basic geometry)
text_image Prohibition sign with crossed-out circle and water droplet symbol, indicating no pollution or disinfection
natural_image Line drawing of a smartphone internal component (no text or symbols)
natural_image Technical diagram of a mechanical device with labeled components and mounting holes (no text or symbols present)
natural_image Illustration of a hand using a tool to adjust a component, with no visible text or symbols.
natural_image Diagram showing a tool interacting with a pipe fitting, with no visible text or symbols

Tubos de conexão

EAS Electric MAJESTIC25K - CUIDADO - 2

text_image 6

Conecte a fiação

EAS Electric MAJESTIC25K - CUIDADO - 3

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natural_image Diagram of a cable assembly with coiled and straight wires, no text or symbols present
natural_image Illustration of two hands holding a horizontal bar with upward arrows, no text or symbols present
text_image Diagram showing air conditioning system components with numbered parts and labeled parts like 'Interruptor' and fan installation.
text_image Parede Interior Exterior 5-7mm
text_image Diagram showing three structural frame configurations with check and cross symbols indicating selection or validation.

EAS Electric MAJESTIC25K - CUIDADO - 4

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Tipo A

EAS Electric MAJESTIC25K - CUIDADO - 5

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Tipo B

EAS Electric MAJESTIC25K - CUIDADO - 6

text_image Orificio traseiro esquerdo 65mm 290mm (11.4in) 49mm (1.95in) 101mm (4in) 348.4mm (13.7in) 179mm (7.05in) 136mm (5.35in) 37mm (1.45in) Silhueta da unidade interna 722mm (28.45in) 49mm (1.95in) Orificio traseiro direito 65mm (2.5in) Modelo A

EAS Electric MAJESTIC25K - CUIDADO - 7

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EAS Electric MAJESTIC25K - CUIDADO - 8

CUIDADO

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CORRETO

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INCORRETO

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INCORRETO

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INCORRECTO

text_image 30° Cunha
text_image 30-50mm (1.18-1.96in) 30-50mm (1.18-1.96in)
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Dimensões da unidade externa(mm) An x La x FoDimensões de montagemDistância A (mm) Distância B (mm)
681x434x285 (26.8"x 17.1"x 11.2") 460 (18.1")292 (11.5")
700x550x270 (27.5"x 21.6"x 10.6") 450 (17.7")260 (10.2")
700x550x275 (27.5"x 21.6"x 10.8")450 (17.7")260 (10.2")
720x495x270 (28.3"x 19.5"x 10.6")452 (17.8")255 (10.0")
728x555x300 (28.7"x 21.8"x 11.8")452 (17.8")302(11.9")
765x555x303 (30.1"x 21.8"x 11.9")452 (17.8")286(11.3")
770x555x300 (30.3"x 21.8"x 11.8")487 (19.2")298 (11.7")
805x554x330 (31.7"x 21.8"x 12.9")511 (20.1")317 (12.5")
800x554x333 (31.5"x 21.8"x 13.1")514 (20.2")340 (13.4")
845x702x363 (33.3"x 27.6"x 14.3")540 (21.3")350 (13.8")
890x673x342 (35.0"x 26.5"x 13.5")663 (26.1")354 (13.9")
946x810x420 (37.2"x 31.9"x 16.5")673 (26.5")403 (15.9")
946x810x410 (37.2"x 31.9"x 16.1")673 (26.5")403 (15.9")
text_image Tampa Parafuso
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text_image Radio ≥10cm
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Evacuação de ar

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EAS Electric MAJESTIC25K - Evacuação de ar - 1

Scan for manual in other languages and further updates:

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Serie MAJESTIC

MANUAL DE SEGURIDAD

SAFETY MANUAL MANUEL DE SÉCURITÉ MANUAL DE SEGURANÇA

EAS Electric MAJESTIC25K - Evacuação de ar - 2

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Escanee para ver este manual en otros idiomas y actualizaciones Scan for manual in other languages and further updates Manuel dans d'autres langues et mis à jour Manual em outras línguas e actualizações

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Read Safety Precautions Before Operation and Installation Incorrect installation due to ignoring instructions can cause serious damage or injury.

EAS Electric MAJESTIC25K - Read Safety Precautions Before Operation and Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. - 1

WARNING

1. Installation (Space)

  • That the installation of pipe-work shall be kept to a minimum.
  • That pipe-work shall be protected from physical damage.
  • Where refrigerant pipes shall be compliance with national gas regulations.
  • That mechanical connections shall be accessible for maintenance purposes.
  • In cases that require mechanical ventilation, ventilation openings shall be kept clear of obstruction.
  • When disposing of the product is used, be based on national regulations, properly processed.

2. Servicing

- Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification.

  1. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants.

  2. Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.

  3. The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater)

  4. Be more careful that foreign matter(oil, water, etc) does not enter the piping. Also, when storing the piping, securely seal the opening by pinching, taping, etc.

  5. Do not pierce or burn.

  6. Be aware that refrigerants may not contain an odour.

  7. All working procedure that affects safety means shall only be carried by competent persons.

  8. Appliance shall be stored in a well -ventilated area where the room size corresponds to the room area as specific for operation.

  9. The appliance shall be stored so as to prevent mechanical damage from occurring.

  10. Joints shall be tested with detection equipment with a capability of 5 g/year of refrigerant or better, with the equipment in standstill and under operation or under a pressure of at least these standstill or operation conditions after installation. Detachable joints shall NOT be used in the indoor side of the unit(brazed, welded joint could be used).

  11. When a FLAMMABLE REFRIGERANT is used, the requirements for installation space of appliance and/or ventilation requirements are determined according to

-- the mass charge amount(M) used in the appliance,
--the installation location,
--the type of ventilation of the location or of the appliance.

The maximum charge in a room shall be in accordance with the following:

$$ \mathsf {m} _ {\max} = 2, 5 \times (\mathrm{LFL}) ^ {(5 / 4)} \times \mathsf {h} _ {0} \times (\mathsf {A}) ^ {1 / 2} $$

or the required minimum floor area A_min to install an appliance with refrigerant charge M(kg) shall be in accordance with following:

$$ \mathsf {A} _ {\min} = \left(\mathsf {M} / (2, 5 \times (\text { LFL }) ^ {(5 / 4)} \times \mathsf {h} _ {0})\right) ^ {2} $$

Where.

m_max is the allowable maximum charge in a room, in kg; M is the refrigerant charge amount in appliance, in kg;

A min is the required minimum room area, in m^2 ;

A is the room area, in m^2 ;

LFL is the lower flammable limit, in kg/m ^3 ;

h_0 is the release height, the vertical distance in metres from the floor to the point of release when the appliance is installed;

h_0 = (h_inst + h_rel) or 0,6 m whichever is higher

hrel is the release offset in metres from the bottom of the appliance to the point of release

hinst is the installed height in metres of the unit

Reference installed heights are given below:

0.0 m for portable and floor mounted;

1.0m for window mounted;

1.8m for wall mounted;

2.2m for ceiling mounted;

If the minimum installed height given by the manufacturer is higher than the reference installed height, then in addition A_min and m_max for the reference installed height have to be given by the manufacturer. An appliance may have multiple reference installed heights. In this case, A_min and m_max calculations shall be provided for all applicable reference installed heights.

For appliances serving one or more rooms with an air duct system, the lowest opening of the duct connection to each conditioned space or any opening of the indoor unit greater than 5 cm^2 , at the lowest position to the space, shall be used for ho. However, ho shall not be less than 0,6 m. Amin shall be calculated as a function of the opening heights of the duct to the spaces and the refrigerant charge for the spaces where leaked refrigerant may flow to, considering where the unit is located. All spaces shall have a floor area more than Amin.

NOTE 1 This formula cannot be used for refrigerants lighter than 42 kg/kmol.

NOTE 2 Some examples of the results of the calculations according to the above formula are given in Tables 1-1 and 1-2.

NOTE 3 For factory sealed appliances, the nameplate on the unit itself marked the refrigerant charge can be used to calculate Amin.

NOTE 4 For field charged products, calculation of Amin can be based on the installed refrigerant charge not to exceed the factory specified maximum refrigerant charge.

The maximum charge in a room and the required minimum floor area to install an appliance, please refer to the “Owner’s Manual & Installation Manual” of the unit. For specific information on the type of gas and the amount, please refer to the relevant label on the unit itself

Table.1-1
Max Refrigerant Charge (kg)

Refrigerant TypeLFL(kg/m3)Installation Height H0(m)Floor Area (m2)
R320.306471015203050
0.60.680.901.081.321.531.872.41
1.01.141.511.802.202.543.124.02
1.82.052.713.243.974.585.617.24
2.22.503.313.964.855.606.868.85
R2900.0380.60.05 0.070.08 0.100.11 0.140.18
1.00.08 0.110.13 0.160.19 0.230.30
1.80.15 0.200.24 0.290.34 0.410.53
2.20.18 0.240.29 0.360.41 0.510.65

Table.1-2
Min. Room Area ( m^2 )

Refrigerant TypeLFL(kg/m3)Installation Height H0(m)Charge Amount in kg Minimum Room Area (m2)
R320.3061.224kg1.836kg2.448kg3.672kg4.896kg6.12kg7.956kg
0.62951116206321543
1.010194274116196
1.83613233660
2.2249152440
R2900.0380.152kg0.228kg0.304kg0.456kg0.608kg0.76kg0.988kg
0.682 146328 584912 1541
1.030 53118 210328 555
1.89 1636 65 101171
2.26 1124 43 68115

Information Servicing

1. Checks to the area

Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system.

2. Work procedure

Works shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas or vapour being present while the work is being performed.

Technical personnel in charge of operation, supervision, maintenance of air-conditioning systems shall be adequately instructed and competent with respect to their tasks.

Works shall be undertaken with appropriate tools only (In case of uncertainty, please consult the manufacturer of the tools for use with flammable refrigerants)

3. General work area

All maintenance staff and others working in the local area shall be instructed on the nature of work being carried out. work in confined sapces shall be avoided. The area around the work space shall be sectioned off. Ensure that the conditions within the area have been made safe by control of flammable material.

4. Checking for presence of refrigerant

The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with flammable refrigerants, i.e. no sparking, adequately sealed or intrinsically safe.

5. Presence of fire extinguisher

If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry power or CO2 fire extinguisher adjacent to the charging area.

6. No ignition sources

No person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing, removing and disposal, during which flammable refrigerant can possibly be released to the surrounding space. Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks. "NO SMOKING" signs shall be displayed.

7. Ventilated area

Ensure that the area is in the open or that it it adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere.

8. Checks to the refrigeration equipment

Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. At all times the manufacturer's maintenance and service guidelines shall be followed. If in doubt consult the manufacturer's technical department for assistance. The following checks shall be applied to installations using flammable refrigerants:

  • the charge size is in accordance with the room size within which the refrigerant containing parts are installed;
    ● the ventilation machinery and outlets are operating adequately and are not obstructed;
  • if an indirect refrigerating circuit is being used, the secondary circuits shall be checked for the presence of refrigerant; marking to the equipment continues to be visible and legible.
  • marking and signs that are illegible shall be corrected;
  • refrigeration pipe or components are installed in a position where they are unlikely to be exposed to any substance which may corrode refrigerant containing components, unless the components are constructed of materials which are inherently resistant to being corroded or are suitably protected against being so corroded.

9. Checks to electrical devices

Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures. If a fault exists that could compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. If the fault cannot be corrected immediately but it is necessary to continue operation, and adequate temporary solution shall be used. This shall be reported to the owner of the equipment so all parties are advised.

Initial safety checks shall include:

  • that capacitors are discharged: this shall be done in a safe manner to avoid possibility of sparking
  • that there no live electrical components and wiring are exposed while charging, recovering or purging the system;
    ● that there is continuity of earth bonding.

10. Repairs to sealed components

10.1 During repairs to sealed components, all electrical supplies shall be disconnected from the equipment being worked upon prior to any removal of sealed covers, etc. If it is absolutely necessary to have an electrical supply to equipment during servicing, then a permanently operating form of leak detection shall be located at the most critical point to warn of a potentially hazardous situation.

10.2 Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, excessive number of connections, terminals not made to original specification, damage to seals, incorrect fitting of glands, etc.

  • Ensure that apparatus is mounted securely.
  • Ensure that seals or sealing materials have not degraded such that they no longer serve the purpose of preventing the ingress of flammable atmospheres. Replacement parts shall be in accordance with the manufacturer's specifications.

NOTE: The use of silicon sealant may inhibit the effectiveness of some types of leak detection equipment. Instrinsically safe components do not have to be isolated prior to working on them.

11. Repair to intrinsically safe components

Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use. Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable atmosphere. The test apparatus shall be at the correct rating. Replace components only with parts specified by the manufacturer. Other parts may result in the ignition of refrigerant in the atmosphere from a leak.

12. Cabling

Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.

13. Detection of flammable refrigerants

Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. A halide torch(or any other detector using a naked flame) shall not be used.

14. Leak detection methods

The following leak detection methods are deemed acceptable for systems containing flammable refrigerants. Electronic leak detectors shall be used to detect flammable refrigerants, but the sensitivity may not be adequate, or may need re-calibration.(Detection equipment shall be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant. Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas (25% maximum) is confirmed. Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work.

If a leak is suspected, all naked flames shall be removed or extinguished. If a leakage of refrigerat is found which requires brazing, all of the refrigerant shall be recovered from the system, or isolated (by means of shut off valves) in a part of the system remote from the leak. For appliances containing FLAMMABLE REFRIGERANTS, oxygen free nitrogen (OFN) shall then be purged through the system both before and during the brazing process.

15. Removal and evacuation

When breaking into the refrigerant circuit to make repairs - or for any other purpose-conventional procedures shall be used, However, for FLAMMABLE REFRIGERANTS it is important that best practice is followed since flammability is a consideration. Opening of the refrigerant systems shall not be done by brazing. The following procedure shall be adhered to:

  • remove refrigerant;
    ● purge the circuit with inert gas;
  • evacuate;
    • purge again with inert gas;
  • open the circuit by cutting or brazing.

The refrigerant charge shall be recovered into the correct recovery cylinders. For appliances containing FLAMMBLE REFRIGERNATS, the system shall be “flushed” with OFN to render the unit safe. This process may need to be repeated several times. Compressed air or oxygen shall not be used for puring refrigerant systems.

For appliances containing FLAMMABLE REFRIGERNATS, flushing shall be achieved by breaking the vacuum in the system with OFN and continuing to fill until the working pressure is achieved, then venting to atmosphere, and finally pulling down to a vacuum. This process shall be repeated until no refrigerant is within the system. When the final OFN charge is used, the system shall be vented down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe-work are to take place.

Ensure that the outlet for the vacuum pump is not closed to any ignition sources and there is ventilation available.

16. Charging procedures

In addition to conventional charging procedures, the following requirements shall be followed:

  • Works shall be undertaken with appropriate tools only (In case of uncertainty, please consult the manufacturer of the tools for use with flammable refrigerants)
  • Ensure that contamination of different refrigerants does not occur when using charging equipment. Hoses or lines shall be as short as possible to minimize the amount of refrigerant contained in them.
    • Cylinders shall be kept upright.
  • Ensure that the refrigeration system is earthed prior to charging the system with refrigerant.
  • Label the system when charging is complete(if not already).
  • Extreme care shall be taken not to overfill the refrigeration system.
  • Prior to recharging the system it shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to leaving the site.

17. Decommissioning

Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is recommended good practice that all refrigerants are recovered safely or safely vented(For R290 refrigerant models). Prior to the task being carried out, an oil and refrigerant sample shall be taken.

In case analysis is required prior to re-use of reclaimed refrigerant. It is essential that electrical power is available before the task is commenced.

a) Become familiar with the equipment and its operation.

b) Isolate system electrically

c) Before attempting the procedure ensure that:

● mechanical handling equipment is available, if required, for handling refrigerant cylinders;
- all personal protective equipment is available and being used correctly;
● the recovery process is supervised at all times by a competent person;
- recovery equipment and cylinders conform to the appropriate standards.

d) Pump down refrigerant system, if possible.
e) If a vacuum is not possible, make a manifold so that refrigerant can be removed from various parts of the system.
f) Make sure that cylinder is situated on the scales before recovery takes place.
g) Start the recovery machine and operate in accordance with manufacturer's instructions.
h) Do not overfill cylinders. (No more than 70% liquid volume. The liquid density of the refrigerant with a reference temperature of 50^ C).
i) Do not exceed the maximum working pressure of the cylinder, even temporarily.
j) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equipment are removed from site promptly and all isolation valves on the equipment are closed off.
k) Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and checked.

18. Labelling

Equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant.

19. Recovery

When removing refrigerant from a system, either for service or decommissioning, it is recommended good practice that all refrigerants are removed safely.

When tranferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct numbers of cylinders for holding the total system charge are available. All cylinders to be used are designated for the recovered refrigerant and labelled for that refrigerant(i.e special cylinders for the recovery of refrigerant). Cylinders shall be complete with pressure relief valve and associated shut-off valves in good working order.

Empty recovery cylinders are evacuated and, if possible, cooled before recovery occurs.

The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of flammable refrigerants. In addition, a set of calibrated weighing scales shall be available and in good working order.

Hoses shall be complete with leak-free disconnect couplings and in good condition. Before using the recovery machine, check that it is in satisfactory working order, has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release. Consult manufacturer if in doubt.

The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not mix refrigerants in recovery units and especially not in cylinders.

If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubricant. The evacuation process shall be carried out prior to retruning the compressor to the suppliers. Only electric heating to the compressor body shall be employed to accelerate this process. When oil is drained from a system, it shall be carried out safely.

21. Transportation, marking and storage for units

  1. Transport of equipment containing flammable refrigerants Compliance with the transport regulations
  2. Marking of equipment using signs Compliance with local regulations
  3. Disposal of equipment using flammable refrigerants Compliance with national regulations
  4. Storage of equipment/appliances The storage of equipment should be in accordance with the manufacturer's instructions.
  5. Storage of packed (unsold) equipment Storage package protection should be constructed such that mechanical damage to the equipment inside the package will not cause a leak of the refrigerant charge. The maximum number of pieces of equipment permitted to be stored together will be determined by local regulations.

Explanation of symbols displayed on the indoor unit or outdoor unit

EAS Electric MAJESTIC25K - Transportation, marking and storage for units - 1WARNINGThis symbol shows that this appliance used a flammable refrigerant. If the refrigerant is leaked and exposed to an external ignition source, there is a risk of fire.
EAS Electric MAJESTIC25K - Transportation, marking and storage for units - 2CAUTIONThis symbol shows that the operation manual should be read carefully.
EAS Electric MAJESTIC25K - Transportation, marking and storage for units - 3CAUTIONThis symbol shows that a service personnel should be handling this equipment with reference to the installation manual.
EAS Electric MAJESTIC25K - Transportation, marking and storage for units - 4CAUTION
EAS Electric MAJESTIC25K - Transportation, marking and storage for units - 5CAUTIONThis symbol shows that information is available such as the operating manual or installation manual.

EAS Electric MAJESTIC25K - Transportation, marking and storage for units - 6

text_image Warning sign depicting flame hazard with upward arrow and vertical line indicating height

Warning: low burning velocity material

text_image Warning sign depicting flame hazard with upward and downward arrows indicating height
text_image Warning sign depicting flame hazard with upward and downward arrows indicating height

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Product information

Brand : EAS Electric

Model : MAJESTIC25K

Category : Air Conditioning