BAC4256 - Air conditioner Becken - Free user manual and instructions

Product Type	Split Air Conditioner (Cooling and Heating)
Brand	Becken
Model	BAC4256
Refrigerant	R32 (or R290 depending on model)
Power Supply	220-240 V ~ 50 Hz
Cooling Capacity	Varies by model (e.g., 9,000-24,000 BTU/h)
Heating Capacity	Varies by model
Functions	Cool, Heat, Fan, Dry, Timer, Sleep
Control	Remote control included
Air Filter	Washable, clean every 2 weeks
Installation	Professional installation required
Safety Features	Overcurrent protection, grounding, auto restart
Maintenance	Clean filter, annual professional check
Noise Level (Indoor Unit)	Typically 30-40 dB
Noise Level (Outdoor Unit)	Typically 50-60 dB
Dimensions (Indoor Unit)	Varies by capacity (e.g., 900x300x200 mm)
Dimensions (Outdoor Unit)	Varies: See manual for specific model
Weight (Indoor Unit)	Typically 10-15 kg
Weight (Outdoor Unit)	Typically 25-40 kg
Maximum Piping Length	Up to 25 m (for R410A), less for R32/R290
Refrigerant Charge	Varies; see unit label
Energy Efficiency	Check unit label for SEER/EER

Frequently Asked Questions - BAC4256 Becken

How often should I clean the air filter?

Clean the air filter every two weeks to maintain efficiency. Turn off the unit, remove the filter, and wash it with mild detergent. Let it dry completely before reinstalling.

What should I do if the air conditioner does not cool properly?

Check if the air filter is dirty, ensure the thermostat is set correctly, and that the outdoor unit is not blocked. If the problem persists, contact a professional technician.

Can I install the air conditioner myself?

No, installation must be performed by a qualified technician as per local and national regulations. Improper installation can cause water leakage, electrical shock, or fire.

What type of refrigerant does this unit use?

This unit uses R32 or R290 refrigerant, which is flammable. Follow all safety precautions in the manual and only allow certified technicians to handle the refrigerant.

How do I reset the air conditioner after a power failure?

The unit may automatically restart when power is restored. If not, turn off the unit, wait 5 minutes, and turn it back on using the remote control or manual button.

What does it mean if water is leaking from the indoor unit?

Water leakage usually indicates a clogged drain pipe or improper installation. Turn off the unit and clean the drain hose. If the issue persists, contact a professional.

Is it safe to use an extension cord with the air conditioner?

No, do not use an extension cord. The unit must be plugged directly into a dedicated outlet with proper grounding. Using an extension cord can cause fire or electrical shock.

How do I use the timer function?

Press the Timer button on the remote control to set the unit to turn on or off after a specified time. Refer to the remote control manual for detailed instructions.

What should I do if the remote control stops working?

First, replace the batteries. If it still doesn't work, check for obstructions and ensure the infrared sensor on the unit is clean. If problems persist, contact customer service.

How often should I have the unit serviced?

Schedule professional maintenance at least once a year to check refrigerant levels, clean coils, and ensure all components are working properly. This helps extend the unit's lifespan.

USER MANUAL BAC4256 Becken

Technical line drawing of a square enclosure with concentric circular patterns and a labeled 'BECKEN' on the right side (no other text or symbols)

BAC4256

BAC4257

BAC4258

BAC4300

Dear client,

Thank you for purchasing this product.

The quality of this appliance has been certified by several laboratory tests. This instructions manual is provided to simplify the use of the appliance as well as to guarantee a safe use.

Please read carefully the instructions and safety measures described in this manual.

We sincerely hope you will be satisfied when using your new appliance.

INDEX

1. SAFETY INSTRUCTIONS 4

1.1. Power Supply 5

1.2. Power Cord and Other Cables 5

1.3. Humidity and Water 5

1.4. Cleaning 6

1.5. General Precautions 6

2. OPERATING INSTRUCTIONS 10

2.1. Product Description 10

2.2. Product Usage 11

2.3. Maintenance 60

3. POST-SALE SERVICE 65

4. ENVIRONMENTAL PROTECTION 65

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1. SAFETY INSTRUCTIONS

	WARNING
	RISK OF ELECTRIC SHOCKDO NOT OPEN
Warning: to avoid the risk of electric shock, do not remove the cover. The interior does not contain any parts that can be repaired by the user. Ask for the Customer Support Service.

Important Warnings

Before using your appliance read these instructions manual carefully and keep it in a safe place as you may need to consult it in the future.

Before turning on your appliance, and to ensure a safe and correct operation, do not use if:

• It has fallen to the ground;
• You notice any evidence of damage;
• Any anomaly occurs during its operation.

To avoid hazards or deterioration of your appliance through incorrect use it is advisable to read these instructions thoroughly.

Your appliance may not be used for other purposes than the ones intended and solely for household use. Any damage resulting from using the appliance outside this scope, any incorrect use, as well as any manual modifications to the product will not be covered and automatically voids the warranty.

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Assistance

In case of malfunction, take your appliance to the Customer Support Service for assistance.

This appliance can be used by children from the age of 8 and by people with reduced physical, sensorial or mental capabilities and/or lack of experience and knowledge if they have been given instructions on using the appliance safely and if they understand the hazards involved. Children may not play with the appliance. Cleaning and maintenance must not be carried out by children without supervision.

These instructions are also available at www.suporteworten.pt

1.1. Power Supply

Make sure the main voltage is compatible with the appliance's. If this is not the case, please consult the Customer Support Service.

1.2. Power Cord and Other Cables

Do not tangle the cord or pull it to disconnect the appliance. Also, keep the cord away from warm surfaces.

Never use the appliance if it has a damaged cable or socket.

Take it to the Customer Support Service for replacement.

1.3. Humidity and Water

Do not use your appliance in humid places. Do not allow the appliance to become wet under any circumstances as this may be dangerous. To avoid fire hazard or electric shock do not expose your appliance to humidity or water. Furthermore, do not place your appliance under water (e.g. for cleaning).

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1.4. Cleaning

Before cleaning, be sure to switch off the appliance and remove the plug from the main power supply. Always allow the unit to cool down before cleaning.

To clean the exterior of the product, use a dry soft cloth only.

1.5. General Precautions

• Please follow the instructions in the user manual which will help you to properly install and operate this product and enjoy its advanced features. Please keep the instructions for future reference.
• Read all instructions before using the product.
• Maintenance and service operations are only to be carried out by authorized professionals.
• Any damage caused by manual modifications to the product is not covered by the warranty.
• If this product is used for other purposes than the ones originally intended, or if it is not correctly connected, the product may become damaged and the warranty will be voided.
• 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.

WARNING

This symbol indicates that ignoring instructions may cause death or serious injury.

CAUTION

This symbol indicates that ignoring instructions may cause moderate injury to your person, or damage to your appliance or other property.

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This symbol indicates that you must never perform the action indicated.

WARNING

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.

When connecting the 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.

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

1. Installation must be performed according to the installation instructions by an authorized dealer or specialist. Defective or improper installation can cause water leakage, electrical shock or fire (In North America, installation must be performed in accordance with the requirement of NEC and CEC by authorized personnel only).
2. Contact the Customer Support Service should this unit need repair or maintenance.
3. Only use the included accessories, parts and specified parts for installation. Using non-standard parts can cause water leakage, electrical shock or fire and can cause the unit to fail.
4. Install the unit in a steady location that can support its 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.

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1. Do not use any means to accelerate the defrosting process or to clean the unit other than those recommended by the manufacturer.
2. The unit shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater)
3. Do not pierce or burn the unit.
4. The unit shall be stored in a well-ventilated area where the room size corresponds to the room area as specific for operation.
5. Be aware that refrigerants may not contain an odour.

Note: items 6 to 9 above are required for the units using R32/R290 Refrigerant.

1. For all electrical work, follow all local and national wiring standards, regulations and the Installation Manual. You must use an independent circuit and single outlet to supply power. Do not connect other appliances to the same outlet. Insufficient electrical capacity or defects in electrical work can cause electrical shock or fire.
2. For all electrical work, use the specified cables. 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.
3. All wiring must be properly arranged to ensure that the control board cover can close properly. If the control board cover does not close properly, it can lead to corrosion and cause the terminal connection points to heat up, catch fire or cause electrical shock.
4. In certain functional environments, such as kitchens, server rooms, etc., the use of specially designed air conditioner units is highly recommended.

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

CAUTION

For units that have an auxiliary electric heater, DO NOT install the unit within 1 meter (3 feet) of any combustible materials.
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.
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.

1. The product must be properly grounded at the time of installation or it can cause electrical shocks.
2. Install drainage piping according to the instructions in this manual. An improper drainage may cause water damage to your home and property.
3. The appliance shall be stored so as to prevent mechanical damage from occurring.
4. Any person involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorizes their competence to handle refrigerants safely in accordance with an industry recognized assessment specification.

Note about Fluorinated Gasses

1. This air conditioner unit contains fluorinated gasses. For specific information on the type of gas and the amount, please refer to the relevant label on the unit itself. Compliance with national gas regulations shall be observed.

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1. Installation, service, maintenance and repair of this unit must be performed by a certified technician.

2. Product uninstallation and recycling must be performed by a certified technician.

3. If the system has a leak-detection system installed, it must be checked for leaks at least every 12 months. When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.

2. OPERATING INSTRUCTIONS

2.1. Product Description

Accessories

The air conditioner 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.

Name Shape Quantity
Mounting plate		1
Clip anchor		5
Mounting plate fixing screw ST3.9 X 25		5
Remote control		1

Name Shape Quantity
Fixing screw for remote control holder ST2.9 x 10			2 O	Optional Parts
Remote control holder			1
Dry battery AAA.LR03			2
Seal			1 (for cooling & heating models only)
Drain joint
Connecting pipe assembly	Liquid side	35 (1/4 in) Parts	you must purchase. Consult the dealer about the pipe size.
		9.52 (3/8 in)
	Gas side	9.52 (3/8 in)
		12.7 (1/2 in)
		16 (5/8 in)
		19 (3/4 in)

2.2. Product installation

WARNING

The appliance must be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation.

The appliance shall be installed, operated and stored in a room with a floor area larger than 4 m^2 .

The appliance shall not be installed in an unventilated space, if that space is smaller than 4 m^2 .

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For R290 refrigerant models, the room where the appliance is installed should have the following minimum size:

• ≤ 9000 Btu/h units: 13 m²
- >9000 B tu/h and ≤12 000 Btu/h units: 17 m ^2
- >12 000 Btu/h and ≤18 000 Btu/h units: 26 m ^2
- >18 000 Btu/h and ≤24 000 Btu/h units: 35 m ^2

Installation Summary – Indoor Unit

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Unit Parts

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

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Fig. 1

(2)

1 - Wall Mounting Plate
2 - Front Panel
3 - Power Cable (not included)
4 - Louver
5 - Purifier Filter (not included)
6 - Drainage Pipe
7 - Signal Cable
8 - Refrigerant Piping
9 - Remote control
10 - Remote control Holder

11 - Outdoor Unit Power Cable (not included)

NOTE ON ILLUSTRATIONS

This manual's figures are for illustration purposes only. The actual shape of your indoor unit may be slightly different, but its actual shape shall prevail.

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Indoor Unit Installation

Line drawing of a cylindrical device with a curved pipe attached, labeled Fig. 1a (no text or symbols on the diagram itself)

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 the installation location

Before installing the indoor unit, 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
☑ Steady and solid - the location will not vibrate
√ Strong enough to support the unit's weight
☑ 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

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∅ Near the doorway
∅ In a location subject to direct sunlight

NOTE ABOUT THE 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 (refer to step 3 below) 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 (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:

Step 2: Attach the mounting plate to the wall

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

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

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1. Place the mounting plate against the wall in a location that meets the standards in step 1 above (see the Mounting Plate Dimensions for detailed information on mounting plate sizes).

2. Drill holes to mount the screws in places that:

• have studs and can support the unit's weight

• correspond to screw holes in the mounting plate

1. Secure the mounting plate to the wall with the screws provided.

2. 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 a similar material, drill 5 mm-diameter (0.2 in-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 the wall hole to connect the piping

You must drill a hole in the wall for refrigerant piping, the drainage pipe, and the signal cable that will connect the indoor and outdoor units.

1. Determine the location of the wall hole based on the position of the mounting plate. Refer to the Mounting Plate Dimensions on the next page to help you determine the optimal position. The wall hole should have a minimum 65 mm (2.5 in) diameter, and at a slightly lower angle to facilitate drainage.

2. Using a 65 mm (2.5 in) or 90 mm (3.54 in) (depending on models) core drill, drill a hole in the wall. Make sure 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 5 mm to 7 mm (0.2-0.27 in). This will ensure proper water drainage (see Fig. 2).

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.

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CAUTION

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

Fig. 2

MOUNTING PLATE DIMENSIONS

Different models have different mounting plates.

In order to ensure that you have ample room to mount the indoor unit, the diagrams below show different types of mounting plates along with the following dimensions:

• Width of the mounting plate
• Height of the mounting plate
• Width of the indoor unit in relation to the plate
• Height of the indoor unit in relation to the plate
- Recommended position of the wall hole (both to the left and right of the mounting plate)
• Relative distances between screw holes

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Correct orientation of Mounting Plate

Model 9k and 12k BTU

Model 18k BTU

Model 24k BTU

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

Step 4: Prepare the 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. Refer to the Refrigerant Piping Connection section of this manual for detailed instructions on pipe flaring and flare torque requirements, technique, etc.

1. Based on the position of the wall hole in relation 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 (see Fig. 3). 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.

Fig. 3

1. Use scissors to cut down the length of the insulating sleeve to reveal about 15 cm (6 in) of the refrigerant piping. This facilitates:

2. the Refrigerant Piping Connection process
   • Gas Leak Checks and enable you to check for dents

3. If the existing connective piping is already embedded in the wall, proceed directly to the Connect Drain Hose step. If there is no embedded

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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.

1. Based on the position of the wall hole in relation to the mounting plate, determine your piping's necessary angle.
2. Grip the refrigerant piping at the base of the bend.
3. Slowly, with even pressure, bend the piping towards the hole. Do not dent or damage the piping during the process.

NOTE ON PIPING ANGLE

Refrigerant piping can exit the indoor unit from four different angles:

• Left-handside
• Leftrear
• Right-handside
  •Rightrear

Refer to Fig. 4 for details.

Technical line drawing of a mechanical device with coiled spring and housing (no text or symbols)

Line drawing of a wall-mounted air conditioner unit with cooling fins and a coiled spring (no text or symbols)

Fig. 4

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.

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Step 5: Connect the drain hose

By default, the drain hose is attached to the left-hand side of unit (when facing the back of the unit). However, it can also be attached to the right-hand side.

1. To ensure proper drainage, attach the drain hose on the same side that your refrigerant piping exits the unit.
2. Attach the drain hose extension (to be purchased separately) to the end of the drain hose.
3. Wrap the connection point firmly with Teflon tape to ensure a good seal and to prevent leaks.
4. For the portion of the drain hose that will remain indoors, wrap it with foam pipe insulation to prevent condensation.
5. 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.

NOTE ON DRAIN HOSE PLACEMENT

Make sure to arrange the drain hose according to Fig. 5.

DO NOT kink the drain hose.

DO NOT create a water trap.

DO NOT put the end of drain hose in water or a container that will collect water.

PLUG THE UNUSED DRAIN HOLE

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

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Pure mechanical diagram showing a bracket and vertical wall with diagonal hatching (no text or symbols)

CORRECT

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

NOT CORRECT

Kinks in the drain hose will create water traps.

Simple line drawing of a mechanical clamp or bracket attached to a vertical wall (no text or symbols)

NOT CORRECT

Kinks in the drain hose will create water traps.

NOT CORRECT

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

Simple line drawing of a door and pipe assembly (no text or symbols)

Fig. 5

! BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS

1. All wiring must comply with local and national electrical codes 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.

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1. If there is a serious safety issue with the power supply, stop work immediately. Do not install the unit until the safety issue is properly resolved.
2. Power voltage should be within 90-110 % of rated voltage. Insufficient power supply can cause malfunction, electrical shock or fire.
3. If you are connecting power to fix wiring, install a surge protector and main power switch with a capacity of 1.5 times the unit's maximum current.
4. If you are connecting power to fix a wiring, a switch or circuit breaker that disconnects all poles and has a contact separation of at least 1/8 in (3 mm) must be incorporated in the fixed wiring. The qualified technician must use an approved circuit breaker or switch.
5. Only connect the unit to an individual branch circuit outlet. Do not connect another appliance to that outlet.
6. Make sure to properly ground the air conditioner.
7. Every wire must be firmly connected. Loose wiring can cause the terminal to overheat, resulting in product malfunction and possible fire.
8. Do not let wires touch or rest against refrigerant piping, the compressor or any moving parts within the unit.
9. If the unit has an auxiliary electric heater, it must be installed at least 1 meter (40 in) away from any combustible materials.

WARNING

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

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Step 6: Connect the signal cable

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
  • Signal Cable: H07RN-F

Minimum Cross-Sectional Area of Power and Signal Cables

Rated Current of Appliance (A)	Nominal Cross-Sectional Area ( mm^2 )
>3 and < 6 0.75
>6 and < 10	1
>10 and < 16	1,5
>16 and < 25	2,5
>25 and < 32	4
>32 and < 40	6

CHOOSE THE RIGHT CABLE SIZE

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

NOTE ON FUSE SPECIFICATIONS

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

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The specifications of the fuse are printed on the circuit board, such as: Indoor unit: T5A/250VAC

Outdoor unit (applicable to units using R32 or R290 refrigerant only): T20A/250 VAC (≤18 000 Btu/h units) T30A/250 VAC (>18 000 Btu/h units)

Note: the fuse is made of ceramic.

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

PAY ATTENTION TO LIVE WIRE

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

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.

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WARNING

ALL WIRING MUST PERFORMED STRICTLY IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED ON THE INSIDE OF THE INDOOR UNIT'S WIRE COVER.

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, match the wire colours with the labels on the terminal block, connect the u-lug and firmly screw each wire to its corresponding terminal.

CAUTION

DO NOT MIX UP LIVE AND NULL WIRES

This is dangerous and can cause the air conditioner 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 tightly.

2. Replace the wire cover on the front of the unit, and the plastic panel on the back.

Step 7: Wrap the piping 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 according to Fig. 6.

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THE DRAIN HOSE MUST BE ON BOTTOM

Make sure 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 THE 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 in accordance with Fig. 6.

DO NOT WRAP ENDS OF THE 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 the Electrical Checks and Leak Checks section of this manual).

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Step 8: Mount the indoor unit If you install new connective piping to the outdoor unit, proceed accordingly:

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 the unit is firmly hooked on the mounting plate by applying slight pressure to the left and right-hand sides of the unit. The unit should not move 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 the refrigerant piping is already embedded in the wall, proceed accordingly:

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. Refer to Fig. 7 for an example.

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

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

3. After the leak test, wrap the connection end 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.

THE 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 30-50 mm (1.25-1.95 in), (see Fig. 8).

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Outdoor Unit Installation

Line drawing of a small air conditioner unit with fan blades and attached components (no text or symbols)

Installation Instructions

Step 1: Select the 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 (Fig. 9)
√ Good air circulation and ventilation
√ Steady 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

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DO NOT install the 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 an excessive amounts of salty air

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SPECIAL CONSIDERATIONS FOR EXTREME WEATHER If the unit is exposed to heavy wind:

Install the unit so that the air outlet fan is at a 90^ angle in the direction of the wind. If needed, build a barrier in front of the unit to protect it from extremely heavy winds. See Fig. 10 and Fig. 11 below.

Fig. 10

Fig. 11

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.

Step 2: Install the drain joint

Heat pump units require a drain joint. 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. 12a), proceed accordingly:

1. Fit the rubber seal on the end of the drain joint that will connect to the outdoor unit.

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1. Insert the drain joint into the hole in the unit's base pan.
2. Rotate the drain joint 90^ until it clicks in place facing the front of the unit.
3. 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. 12b), proceed accordingly:

1. Insert the drain joint into the hole in the unit's base pan. 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.

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.

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Step 3: Anchor the outdoor unit

The outdoor unit can be anchored to the ground or to a wall-mounted bracket.

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.

Outdoor Unit Dimensions (mm)	Mounting Dimensions		Model
W x H x D	Distance A (mm)	Distance B (mm)
700x550x275(27.5"x21.6"x10.82")	450 (17.7") 260 (10.24") 59k, 12k BTU
800x554x333(31.5"x21.8"x13.1")	514 (20.24") 340 (13.39") 18k BTU
845x702x363(33.25"x27.63"x14.29")	540 (21.26") 350 (13.8") 24k BTU

If you install the unit on the ground or on a concrete mounting platform, proceed accordingly:

1. Mark the positions for four expansion bolts based on dimensions in the Unit Mounting Dimensions chart.

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1. Pre-drill holes for expansion bolts.
2. Clean concrete dust away from holes.
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 the outdoor unit on bolts.
6. Put a washer on each expansion bolt and then replace the nuts.
7. Using a wrench, tighten each nut until snug.

WARNING

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

If you install the unit on a wall-mounted bracket, proceed accordingly:

CAUTION

Before installing a wall-mounted unit, make sure the wall is made of solid brick, concrete or of a similarly strong material.

The wall must be able to support at least four times the unit's weight.

1. Mark the position of bracket holes based on the dimensions in the Unit Mounting Dimensions chart.

2. Pre-drill the holes for the expansion bolts.

3. Clean dust and debris away from the holes.

4. Place a washer and nut on the end of each expansion bolt.

5. Thread expansion bolts through holes in mounting brackets, put the mounting brackets in position and hammer the expansion bolts into the wall.

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1. Check that the mounting brackets are levelled.
2. Carefully lift the unit and place its mounting feet on the brackets.
3. Bolt the unit firmly to the brackets.

TO REDUCE VIBRATIONS OF WALL MOUNTED UNIT:

If allowed, you can install the wall-mounted 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.

BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS

1. All wiring must comply with local and national electrical codes 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. Do not 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 you are connecting power to fix wiring, install a surge protector and main power switch with a capacity of 1.5 times the unit's maximum current.

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1. If you are connecting power to fix a wiring, a switch or circuit breaker that disconnects all poles and has a contact separation of at least 1/8 in (3 mm) must be incorporated in the fixed wiring. The qualified technician must use an approved circuit breaker or switch.
2. Only connect the unit to an individual branch circuit outlet. Do not connect another appliance to that outlet.
3. Make sure to properly ground the air conditioner.
4. Every wire must be firmly connected. Loose wiring can cause the terminal to overheat, resulting in product malfunction and possible fire.
5. Do not let wires touch or rest against refrigerant piping, the compressor or any moving parts within the unit.
6. If the unit has an auxiliary electric heater, it must be installed at least 1 meter (40 in) away from any combustible materials.

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

• Indoor Power Cable (if applicable): H05VV-F or H05V2V2-F
  • Outdoor Power Cable: H07RN-F
  • Signal Cable: H07RN-F

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Minimum Cross-Sectional Area of Power and Signal Cables

Rated Current of Appliance (A)	Nominal Cross-Sectional Area ( mm^2 )
>3 and ≤ 6 0.75
>6 and ≤ 10	1
>10 and ≤ 16	1,5
>16 and ≤ 25	2,5
>25 and ≤ 32	4
>32 and ≤ 40	6

a. Using wire strippers, strip the rubber jacket from both ends of cable to reveal about 40 mm (1.57 in) 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.

WARNING

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

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. Match the wire colours/labels with the labels on the terminal block and firmly screw the u-lug of each wire to its corresponding terminal.

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1. After checking to make sure every connection is secure, loop the wires around to prevent rain water from flowing into the terminal.

2. Using the cable clamp, fasten the cable to the unit. Screw the cable clamp down tightly.

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

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

Refrigerant Piping Connection

Technical illustration of two mechanical fasteners with a bolted joint, showing assembly and disassembly (no text or symbols)

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Note on Pipe Length

The length of the refrigerant piping will affect the unit's performance and energy efficiency. Nominal efficiency is tested on units with a pipe length of 5 meters (16.5 ft). A minimum pipe run of 3 metres is required to minimise vibration & excessive noise.

For special tropical areas, the maximum length of the refrigerant pipe should not exceed 10 meters (32.8 ft) and no refrigerant can be added (for R290 refrigerant models). 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)
R410A Inverter Split Air Conditioner	< 15,000 25 (82 ft) 10 (33 ft)
	≥ 15,000 and < 24,000 30 (98.5 ft) 20 (66 ft)
	≥ 24,000 and < 36,000 50 (164 ft) 25 (82 ft)
	> 36,000 and ≤ 60,000 65 (213 ft) 30 (98.5 ft)

Connection Instructions for the Refrigerant Piping

Step 1: Cut the pipes

When preparing refrigerant pipes, take extra care to cut and flare them properly. This will ensure an efficient operation and minimize the need for future maintenance. For R32/R290 refrigerant models, the pipe connection points must be placed outside the room.

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. Refer to Fig. 13 for incorrect cutting examples.

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Fig. 13

! DO NOT DEFORM THE PIPE WHILE CUTTING IT

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

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.

Step 3: Flare pipe ends

Proper flaring is essential to achieve an airtight seal.

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1. After removing burrs from the 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 the pipe. Make sure they are facing in the right direction, because you can't put them on or change their direction after flaring. See Fig. 14

Flare nut

Copper pipe

Fig. 14

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

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PIPING EXTENSION BEYOND FLARE FORM

Outer Pipe Diameter (m)	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") 2.2 (0.086")
∅ 19 (∅ 0.75") 2.0 (0.078") 2.4 (0.094")

1. Place the 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 indoor unit, then the outdoor unit.

MINIMUM BEND RADIUS

When bending connective refrigerant piping, the minimum bending radius is 10 cm. See Fig. 15

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Instructions for Connecting Piping to Indoor Unit

Technical diagram of a mechanical connector assembly showing threaded and threaded parts with an arrow indicating direction (no text or symbols)

Indoor unit tubing Flare nut Pipe

Fig. 16

1. Align the centre of the two pipes that you will connect. See Fig. 16.
2. Tighten the flare nut as tightly as possible by hand.
3. Using a spanner, grip the nut on the unit tubing.
4. 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.

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

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TORQUE REQUIREMENTS

Outer Diameter of Pipe (mm)	Tightening Torque (N • cm)	Add. Tightening Torque (N • cm)
∅ 6.35 (∅ 0.25") 1,500 (11 lb•ft) 1,600 (11.8 lb•ft)
∅ 9.52 (∅ 0.375") 2,500 (18.4 lb•ft) 2,600 (19.18 lb•ft)
∅ 12.7 (∅ 0.5") 3,500 (25.8 lb•ft) 3,600 (26.55 lb•ft)
∅ 16 (∅ 0.63") 4,500 (33.19 lb•ft) 4,700 (34.67 lb•ft)
∅ 19 (∅ 0.75") 6,500 (47.94 lb•ft) 6,700 (49.42 lb•ft)

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 the Piping to the Outdoor Unit

1. Unscrew the cover from the packed valve on the side of the outdoor unit (see Fig. 17).

Fig. 17

1. Remove protective caps from ends of valves.
2. Align the flared pipe end with each valve and tighten the flare nut as tightly as possible by hand.
3. Using a spanner, grip the body of the valve. Do not grip the nut that seals the service valve (see Fig. 18).

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! USE A SPANNER TO GRIP THE MAIN BODY OF THE VALVE Torque from tightening the flare nut can snap off other parts of valve.

Line drawing of hands using a tool to adjust or install a mechanical component, labeled Fig. 18 (no text or symbols on the diagram itself)

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

Air Evacuation

Line drawing of a dual-gauge pressure gauge regulator with no text or symbols

Preparations and Precautions

Presence of 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.

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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 THE AIR EVACUATION

√ Check to make sure that both high-pressure and low-pressure pipes between the indoor and outdoor units are connected properly in accordance with the Refrigerant Piping Connection section of this manual.
☑ Check to make sure all wiring is connected properly.

Evacuation Instructions

Before using the manifold gauge and vacuum pump, read their operation manuals to familiarize yourself with how to use them properly.

1. Connect the charge hose of the manifold gauge to the 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.

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1. Turn on the vacuum pump to evacuate the system.
2. Run the vacuum for at least 15 minutes or until the Compound Meter reads -76 cm HG (-105 Pa).
3. Close the Low Pressure side of the manifold gauge and turn off the vacuum pump.
4. Wait for 5 minutes, then check that there has been no change in system pressure.
5. 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 from the packed valve (high pressure valve).
6. Insert a hexagonal wrench into the packed valve (high pressure valve) and open the valve by turning the wrench 1/4 counter clockwise. Listen for gas to exit the system, then close the valve after 5 seconds.
7. 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.
8. Remove the charge hose from the service port.

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1. Using hexagonal wrench, fully open both the high pressure and low pressure valves.

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

OPEN THE 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

Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. For example, in North America, the standard pipe length is 7.5 m (25'). In other areas, the standard pipe length is 5 m (16'). The refrigerant should be charged 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 Method	Additional Refrigerant
< Standard pipe length	Vacuum Pump	N/A
> Standard pipe length	Vacuum Pump	Liquid Side: ∅ 6.35 (∅ 0.25")R32:(Pipe length - standard length) x 12g/m(Pipe length - standard length) x 0.13oZ/ftR290:(Pipe length - standard length) x 10g/m(Pipe length - standard length) x 0.10oZ/ft	Liquid Side: ∅ 9.52 (∅ 0.375")R32:(Pipe length - standard length) x 24g/m(Pipe length - standard length) x 0.26oZ/ftR290:(Pipe length - standard length) x 18g/m(Pipe length - standard length) x 0.19oZ/ft

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For an R290 refrigerant unit, the total amount of refrigerant to be charged cannot exceed the following amounts: 387 g (<=9000 Btu/h), 447 g (>9000 Btu/h and <=12000 Btu/h), 547 g (>12000 Btu/h and <=18000 Btu/h), 632 g (>18000 Btu/h and <=24000 Btu/h).

CAUTION DO NOT mix refrigerant types.

Information Servicing (only required for the units using Refrigerant R32/R290)

1. Area checks

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.

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 spaces 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.

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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 on hand. Have a dry power or CO2 fire extinguisher next to the charging area.

6. No ignition sources

No person carrying out work with 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 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 the work area is in the open or that it is 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;

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• 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.

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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 in such a way 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. Intrinsically 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.

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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 when in the search 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 refrigerant 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. Oxygen free nitrogen (OFN) shall then be purged through the system both before and during the brazing process.

15. Removal and evacuation

When accessing the refrigerant circuit to make repairs for any other purpose, conventional procedures shall be used. However, it is important that best practice is followed since flammability is a consideration. The following procedure shall be adhered to:

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- remover 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. 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 this task.

Flushing shall be achieved by breaking the vacuum in the system with OFN and continuing to fill it 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 in 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:

- 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.

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• 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 be completely familiar with the equipment and all its detail. It is recommended good practice that all refrigerants are recovered safely. 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.

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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 the cylinders (no more than 80 % of the volume liquid charge).

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 the cylinders and the equipment are removed from the 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 be removed safely.

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- When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are used. 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 the 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 the cylinders.

- If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make sure that flammable refrigerant does not remain within the lubricant. The evacuation process shall be carried out prior to returning 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.

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BECKEN

20. Transportation, marking and storage for units

1. Transport of equipment containing flammable refrigerants. This must be done in compliance with the transport regulations

2. Marking of equipment using signs. This must be done in compliance with local regulations

3. Disposal of equipment using flammable refrigerants. This must be done in 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.

The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details.

2.3. Maintenance Electrical and Gas Leak Checks

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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 THE TEST RUN

Check Grounding Work

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

Note: this may not be required for some locations in the US.

DURING THE TEST RUN

Check for Electrical Leakage

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

If an 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 the US.

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.

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BECKEN

AFTER PERFORMING GAS LEAK CHECKS

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

Test Run

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

Test Run Instructions

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

1. Connect the power to the unit.

2. Press the ON/OFF button on the remote control 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

1. 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

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List of Checks to Perform PASS/FAIL
Indoor and outdoor units are solidly installed
All pipe connection points do not leak Outdoor (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 control

DOUBLE-CHECK PIPE CONNECTIONS

During operation, the refrigerant circuit's pressure 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, proceed accordingly:
   a. Using the remote control, return the 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 THE AMBIENT TEMPERATURE IS BELOW 17 °C (63 °F)

You can't use the remote control 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.

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BECKEN

1. The MANUAL CONTROL button is located on the right-hand side of the unit. Press it 2 times to select the COOL function. See Fig. 19

2. Perform the Test Run as normal.

European Disposal Guidelines

Users in European Countries may be required to properly dispose of this unit. This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. DO NOT dispose of this product as household waste or unsorted municipal waste.

When disposing of this appliance, you have the following options:

• Dispose of the appliance at designated municipal electronic waste collection facility.
• When buying a new appliance, the retailer will take back the old appliance free of charge.
• The manufacturer will also take back the old appliance free of charge.

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- Sell the appliance to certified scrap metal dealers.

Special notice

Disposing of this appliance in the forest or other natural surroundings endangers your health and is bad for the environment. Hazardous substances may leak into the ground water and enter the food chain.

3. POST-SALE SERVICE

BECKEN has designed this appliance in order to guarantee maximum reliability. However, if a problem occurs do not attempt to open the appliance - there is a risk of electrical shock. If you are not able to solve the problem, please contact the Customer Support Service of any Worten, Modelo or Continente store in order to be assisted. Worten Equipamentos para o Lar provides a 2-year warranty for manufacturing defects from the date of purchase of the appliance.

WARNING: any attempt to repair the appliance without contacting the manufacturer or seller will void the warranty.

All users must be familiar with these instructions. Knowing what could go wrong can help prevent problems from occurring.

4. ENVIRONMENTAL PROTECTION

In order to protect the environment, we strive to reduce the volume of packaging used, limiting it to three easily sorted materials: cardboard, paper and plastic. The appliance is manufactured using recyclable materials after disassembled by a specialized company. Please comply with local regulations concerning the recycling of all materials.

Symbol of a trash bin crossed with two crossed lines, no text or numbers present

Estimado cliente:

Fig. 1

(2)

Line drawing of a cylindrical device with a curved pipe extending from its side, labeled Fig. 1a (no text or symbols on the diagram itself)

Model 9k and 12k BTU

Model 18k BTU

Model 24k BTU

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Line drawing of a mechanical device with attached spring and rod (no text or symbols)

Line drawing of a rectangular device with internal components and a coiled cable or connector attached (no text or symbols)

Fig. 4

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PRECAUCIÓN

Pure mechanical diagram showing a bracket and vertical wall with diagonal hatching (no text or symbols)

CORRECTO

Simple line drawing of a mechanical joint or bracket with no text or symbols

NO ES CORRECTO

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

Fig. 5

! ANTES DE REALIZAR EL TRABAJO ELÉCTRICO, LEA ESTAS REGLAS

Line drawing of a small electric fan or air conditioning unit with cooling fins and attached components (no text or symbols)

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Technical illustration of two mechanical fasteners with hexagonal connectors and a separate connector (no text or symbols)

Line drawing of a mechanical clamp or lever assembly with multiple base plates (no text or symbols)

Technical diagram of a mechanical connector assembly showing threaded and threaded parts with an arrow indicating direction (no text or symbols)

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

REQUISITOS DE PAR

Diámetro exterior de la tubería (mm)	Par de apriete (N • cm)	Par de apriete adicional (N • cm)
∅ 6.35 (∅ 0.25") 1,500 (11 lb•pie) 1,600 (11.8 lb•pie)
∅ 9.52 (∅ 0.375") 2,500 (18.4 lb•pie) 2,600 (19.18 lb•pie)
∅ 12.7 (∅ 0.5") 3,500 (25.8 lb•pie) 3,600 (26.55 lb•pie)
∅ 16 (∅ 0.63") 4,500 (33.19 lb•pie) 4,700 (34.67 lb•pie)
∅ 19 (∅ 0.75") 6,500 (47.94 lb•pie) 6,700 (49.42 lb•pie)

Line drawing of hands using a tool to adjust or install a mechanical component, labeled Fig. 18 (no text or symbols on the diagram itself)

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BECKEN

Line drawing of a pressure gauge regulator with two gauges and a central valve (no text or labels)

Symbol of a trash bin crossed with two crossed lines, no text or numbers present

Caro(a) cliente,

Fig. 1

Line drawing of a cylindrical device with a curved pipe and attached bracket (no text or symbols)

ANTES DA INSTALAÇÃO

Model 9k and 12k BTU

Model 18k BTU

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BECKEN

Model 24k BTU

Technical line drawing of a mechanical device with attached spring and rod (no text or symbols)

Line drawing of a rectangular device with internal components and a coiled cable or connector attached (no text or symbols)

Fig. 4

! CUIDADO

Pure mechanical diagram showing a bracket and vertical wall with diagonal hatching (no text or symbols)

CORRETO

Simple line drawing of a door clip attached to a wall, with no text or symbols present.

INCORRETO

Simple line drawing of a toilet and sink assembly (no text or symbols)

Fig. 5

BECKEN

! ANTES DE EFETUAR TRABALHOS ELÉTRICOS, LEIA ESTES REGULAMENTOS

Line drawing of a dual-panel air conditioner unit with fan blades and cooling fins (no text or symbols)

Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split

BECKEN

Technical illustration of two mechanical fasteners with a bolted joint, showing assembly and disassembly (no text or symbols)

Passo 2: Remova as rebarbas

Technical line drawing of a mechanical clamp or fixture with multiple base plates and a handle (no text or symbols)

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

Line drawing of hands using a tool to adjust or install a mechanical component, labeled Fig. 18 (no text or symbols on the diagram itself)

[you can trust]

Line drawing of a dual-gauge pressure regulator device with no text or symbols

Symbol of a trash bin crossed with two crossed lines, no text or numbers present

[you can trust]

Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split

PT

201

BECKEN

202

[you can trust]

Split air conditioner | Aire Acondicionado Split | Ar Condicionado Split

PT

203

BECKEN

Imported, produced and distributed by:

Worten Equipamentos p/o Lar S.A.