PACI STANDARD - Air-conditioner PANASONIC - Free user manual and instructions

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USER MANUAL PACI STANDARD PANASONIC

Order No: PAPAMY1703052CE Indoor Unit CS-TE20TKEW CS-TE25TKEW CS-TE35TKEW CS-TE42TKEW Outdoor Unit CU-TE20TKE CU-TE25TKE CU-TE35TKE CU-TE42TKE Destination Europe Turkey Please file and use this manual together with the service manual for Model No. CU-2E12SBE, CU-2E15SBE, CU-2E18SBE, CU-3E18PBE, CU-3E23SBE, CU-4E23PBE, CU-4E27PBE, CU-5E34PBE, CU-2RE15SBE, CU-2RE18SBE, CU-3RE18SBE, Order No. PAPAMY1601016CE, PAPAMY1601015CE, PAPAMY1301048CE, PAPAMY1303046CE. WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the products dealt with in this service information by anyone else could result in serious injury or death.

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of manufacturer.

PRECAUTION OF LOW TEMPERATURE

In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit. © Panasonic Corporation 2017 AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

4. Location of Controls and Components ..........15

17. Disassembly and Assembly Instructions ... 100

Protection Control for All Operations ..........57 Protection Control for Cooling & Soft Dry Operation ....................................................59 Protection Control for Heating Operation ...60

12.10 Quiet Operation (Heating) ..........................54

Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing. Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage, and the seriousness is classified by the following indications. WARNING This indication shows the possibility of causing death or serious injury. CAUTION This indication shows the possibility of causing injury or damage to properties. The items to be followed are classified by the symbols: This symbol denotes item that is PROHIBITED from doing.

Carry out test run to confirm that no abnormality occurs after the servicing. Then, explain to user the operation, care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference. WARNING

Do not modify the machine, part, material during repairing service.

If wiring unit is supplied as repairing part, do not repair or connect the wire even only partial wire break. Exchange the whole wiring unit.

Do not wrench the fasten terminal. Pull it out or insert it straightly.

Engage dealer or specialist for installation and servicing. If installation of servicing done by the user is defective, it will cause water leakage, electrical shock or fire.

Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electric shock or fire.

Use the attached accessories parts and specified parts for installation and servicing. Otherwise, it will cause the set to fall, water leakage, fire or electrical shock.

Install at a strong and firm location which is able to withstand the set’s weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury.

For electrical work, follow the local national wiring standard, regulation and the installation instruction. An independent circuit and single outlet must be used. If electrical circuit capacity is not enough or defect found in electrical work, it will cause electrical shock or fire.

This equipment is strongly recommended to install with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD). Otherwise, it may cause electrical shock and fire in case equipment breakdown or insulation breakdown.

Do not use joint cable for indoor / outdoor connection cable. Use the specified Indoor/Outdoor connection cable, refer to installation instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor / outdoor connection. Clamp the cable so that no external force will be acted on the terminal. If connecting or fixing is not perfect, it will cause heat up or fire at the connection.

Wire routing must be properly arranged so that control board cover is fixed properly. If control board cover is not fixed perfectly, it will cause heat-up or fire at the connection point of terminal, fire or electrical shock.

When install or relocate air conditioner, do not let any substance other than the specified refrigerant, eg. air etc. mix into refrigeration cycle (piping). (Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.).

Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit at veranda of high rise building, child may climb up to outdoor unit and cross over the handrail and causing accident.

This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may cause electric shock in case equipment breakdown or insulation breakdown.

Keep away from small children, the thin film may cling to nose and mouth and prevent breathing.

Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fire.

Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may break and cause refrigerant gas leakage.

For R410A model, use piping, flare nut and tools which is specified for R410A refrigerant. Using of existing (R22) piping, flare nut and tools may cause abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury. Thickness or copper pipes used with R410A must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm. It is desirable that the amount of residual oil less than 40 mg/10 m. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will caused suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc).

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk WARNING

During pump down operation, stop the compressor before remove the refrigeration piping. (Removal of compressor while compressor is operating and valves are opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.)

After completion of installation or service, confirm there is no leakage or refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire.

Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when refrigerant contacts with fire.

Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury.

Must not use other parts except original parts described in catalog and manual.

Using of refrigerant other than the specified type may cause product damage, burst and injury etc. CAUTION

Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire.

Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture.

Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may break and cause refrigerant gas leakage.

Do not touch outdoor unit air inlet and aluminium fin. It may cause injury.

Select an installation location which is easy for maintenance.

Pb free solder has a higher melting point than standard solder; typically the melting point is 50°F – 70°F (30°C – 40°C) higher. Please use a high temperature solder iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C). Pb free solder will tend to splash when heated too high (about 1100°F / 600°C).

Power supply connection to the room air conditioner. Use power supply cord 3 × 1.5 mm² (3/4 ~ 1.75HP) type designation 60245 IEC 57 or heavier cord. Connect the power supply cord of the air conditioner to the mains using one of the following method. Power supply point should be in easily accessible place for power disconnection in case of emergency. In some countries, permanent connection of this air conditioner to the power supply is prohibited.

1) Power supply connection to the receptacle using power plug.

Use an approved 15/16A (3/4 ~ 1.75HP) power plug with earth pin for the connection to the socket.

2) Power supply connection to a circuit breaker for the permanent connection.

Use an approved 16A (3/4 ~ 1.75HP) circuit breaker for the permanent connection. It must be a double pole switch with a minimum

Do not release refrigerant during piping work for installation, servicing, reinstallation and during repairing a refrigerant parts. Take care of the liquid refrigerant, it may cause frostbite.

Installation or servicing work: It may need two people to carry out the installation or servicing work.

Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.

Do not sit or step on the unit, you may fall down accidentally.

Do not touch the sharp aluminium fins or edges of metal parts. If you are required to handle sharp parts during installation or servicing, please wear hand glove. Sharp parts may cause injury.

Annual Consumption kWh

Annual Consumption kWh

Annual Consumption kWh

Starting Current (A)

Outdoor Fan SHi Cool rpm

Heat Moisture Removal QLo

CO2eq (ton) (Precharged Amount / Maximum Charged Amount)

6.35 (1/4) / 9.52 (3/8)

6.35 (1/4) / 9.52 (3/8)

Additional Gas Amount g/m (oz/ft) 15 (0.2) 15 (0.2) Length for Additional Gas m (ft)

Power Supply Power Supply Cord Nil Nil Thermostat

Electronic Contol Electronic Contol Protection Device Electronic Contol Electronic Contol Dry Bulb Indoor Operation Range Outdoor Operation Range

Cooling Heating Cooling Heating Wet Bulb Dry Bulb Wet Bulb Maximum °C

Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air temperature of 35°C DRY BULB (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb) Heating capacities are based on indoor temperature of 20°C Dry Bulb (68°F Dry Bulb) and outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb (42.8°F Wet Bulb) Heating low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20°C, outdoor 2/1°C Heating extreme low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20°C, outdoor -7/-8°C Standby power consumption ≤10.0w (when switched OFF by remote control, except under self protection control). Specifications are subjected to change without prior notice for further improvement.

1.28k 1.67k Annual Consumption kWh

Annual Consumption kWh

Annual Consumption kWh

Starting Current (A)

Outdoor Fan SHi Cool rpm

Heat Moisture Removal QLo

Outdoor Airflow Heat

CO2eq (ton) (Precharged Amount / Maximum Charged Amount)

6.35 (1/4) / 9.52 (3/8)

6.35 (1/4) / 12.70 (1/2)

Additional Gas Amount g/m (oz/ft) 20 (0.2) 20 (0.2) Length for Additional Gas Piping Model Drain Hose m (ft)

Aluminium Aluminium Corrugated Fin Corrugated Fin 2 × 24 × 17 2 × 28 × 17

Material Polypropelene Polypropelene Type One-touch One-touch Outdoor Outdoor Power Supply Power Supply Cord Nil Nil Thermostat Electronic Contol Electronic Contol Protection Device Electronic Contol Electronic Contol Indoor Operation Range Outdoor Operation Range

Cooling Heating Cooling Heating

Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air temperature of 35°C DRY BULB (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb) Heating capacities are based on indoor temperature of 20°C Dry Bulb (68°F Dry Bulb) and outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb (42.8°F Wet Bulb) Heating low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20°C, outdoor 2/1°C Heating extreme low temperature capacity, Input Power and COP measured at 230 V, indoor temperature 20°C, outdoor -7/-8°C Standby power consumption ≤10.0w (when switched OFF by remote control, except under self protection control). Specifications are subjected to change without prior notice for further improvement.

Multi Split Combination Possibility: o A single outdoor unit enables air conditioning of up to two separate rooms for CU-2RE15SBE, CU-2RE18SBE. o A single outdoor unit enables air conditioning of up to three separate rooms for CU-3RE18SBE.

Capacity range of connectable indoor units Pipe length OUTDOOR UNIT From 4.0kW to 5.7kW From 4.0kW to 7.5kW From 4.5kW to 9.0kW 1 room maximum pipe length (m)

Allowable elevation (m)

Total pipe length for maximum chargeless length (m)

Additional gas amount over chargeless length (g/m)

Note: “●” : Available Remarks for CU-2RE15SBE / CU-2RE18SBE 1. The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within connectable capacity range of indoor unit. (as shown in the table above) Example: The indoor units’ combination below is possible to connect to CU-2RE15SBE. (Total nominal capacity of indoor units is between 4.0kW to 5.7kW)

1) Two CS-TE20TKEW only. (Total nominal cooling capacity is 4.0kW)

Remarks for CU-3RE18SBE 1. The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within connectable capacity range of indoor unit. (as shown in the table above) Example: The indoor units’ combination below is possible to connect to CU-3RE18SBE. (Total nominal capacity of indoor units is between 4.5kW to 9.0kW)

1) Two CS-TE25TKEW only. (Total nominal cooling capacity is 5.0kW)

Note*: Above outdoor unit is contains and operates with refrigerant R410A gas.

Multi Split Combination Possibility: o A single outdoor unit enables air conditioning of up to two separate rooms for CU-2E12SBE, CU-2E15SBE, CU-2E18SBE. o A single outdoor unit enables air conditioning of up to three separate rooms for CU-3E23SBE.

Capacity range of connectable units Pipe length

From 3.2kW to 5.7kW From 3.2kW to 5.7kW From 3.2kW to 7.5kW From 4.5kW to 11.0kW 1 room maximum pipe length (m)

Allowable elevation (m)

Total pipe length for maximum chargeless length (m)

Additional gas amount over chargeless length (g/m)

Note: “●” : Available Remarks for CU-2E12SBE / CU-2E15SBE / CU-2E18SBE 1. The total nominal cooling capacity of indoor unit that will be connected to outdoor unit must be within connectable capacity range of indoor unit. (as shown in the table above) Example: The indoor units’ combination below is possible to connect to CU-2E15SBE. (Total nominal capacity of indoor units is between 3.2kW to 5.7kW)

1) Two CS-TE20TKEW only. (Total nominal cooling capacity is 4.0kW)

Remarks for CU-3E23SBE 1. The total nominal cooling capacity of indoor unit that will be connected to outdoor unit must be within connectable capacity range of indoor unit. (as shown in the table above) Example: The indoor units’ combination below is possible to connect to CU-3E23SBE. (Total nominal capacity of indoor units is between 4.5kW to 11.0kW)

1) Two CS-TE25TKEW only. (Total nominal cooling capacity is 5.0kW)

Note*: Above outdoor unit is contains and operates with refrigerant R410A gas.

Multi Split Combination Possibility: o A single outdoor unit enables air conditioning of up to three separate rooms for CU-3E18PBE. o A single outdoor unit enables air conditioning of up to four separate rooms for CU-4E23PBE, CU-4E27PBE. o A single outdoor unit enables air conditioning of up to five separate rooms for CU-5E34PBE.

Capacity range of connectable units Pipe length

From 4.5kW to 9.0kW From 4.5kW to 11.0kW From 4.5kW to 13.6kW From 4.5kW to 17.5kW 1 room maximum pipe length (m)

Allowable elevation (m)

Total pipe length for maximum chargeless length (m)

Additional gas amount over chargeless length (g/m)

Note: “●” : Available Remarks for CU-3E18PBE / CU-4E23PBE / CU-4E27PBE / CU-5E34PBE 1. The total nominal cooling capacity of indoor unit that will be connected to outdoor unit must be within connectable capacity range of indoor unit. (as shown in the table above) Example: The indoor units’ combination below is possible to connect to CU-4E27PBE. (Total nominal capacity of indoor units is between 4.5kW to 13.6kW)

1) Two CS-TE25TKEW only. (Total nominal cooling capacity is 5.0kW)

Note*: Above outdoor unit is contains and operates with refrigerant R410A gas.

Environment Protection o Non-ozone depletion substances refrigerant (R410A)

Long Installation Piping o Long piping up to 15 meters (3/4 ~ 1.75HP) and 20 meters (2.0HP) during single split connection only

Easy to use remote control

Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor o Noise prevention during soft dry operation

Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 24-hour timer setting

4. Location of Controls and Components

Indoor Unit Air Filters Front panel Auto OFF/ON button

• Use when remote control is misplaced or malfunction occurs. Aluminium Fin Air Purifying Filter INDICATOR POWER Horizontal Airflow direction louver
• Do not adjust by hand.

Remote Control (Green) (Orange) Remote Control receiver Transmitter Remote control display OFF/ON Fan speed selection Powerful/Quiet operation Operation mode Airflow direction selection Sleep mode operation Temperature setting Timer setting Check Clock setting

Liquid side Gas side Relative position between the indoor unit and the installation plate <Front View>

128mm TO PIPE HOLE CENTER

Space necessary for installation <Top View> (104.7)

100 mm 1000 mm 2-way valve at Liquid side (High Pressure) Anchor Bolt Pitch 320 x 570 3-way valve at Gas side (Low Pressure) <Side View> <Side View> <Front View>

Space necessary for installation

3-way valve at Gas side (Low Pressure) Unit : mm 2-way valve at Liquid side (High Pressure)

PIPING TEMP. SENSOR 1 (THERMISTOR)

INDICATED ON TERMINAL COVER.

U (RED) V (BLU) W (YLW) RED BLU YLW ELECTRO-MAGNETIC COIL (4-WAYS VALVE) ELECTRO-MAGNETIC COIL (EXPANSION VALVE)

COMPRESSOR Resistance of Compressor Windings MODEL

Note: Resistance at 20°C of ambient temperature.

Resistance of Compressor Windings MODEL

U (RED) V (BLU) W (YLW) RED BLU YLW

Note: Resistance at 20°C of ambient temperature.

INDICATED ON TERMINAL COVER.

Resistance of Compressor Windings MODEL

U (RED) V (BLU) W (YLW) RED BLU YLW ELECTRO-MAGNETIC COIL (4-WAYS VALVE) ELECTRO-MAGNETIC COIL (EXPANSION VALVE)

Note: Resistance at 20°C of ambient temperature.

ELECTRO-MAGNETIC COIL (EXPANSION VALVE) U (RED) V (BLU) W (YLW) RED BLU YLW

1 Outdoor Air Sensor 2 Outdoor Heat Exchanger Compressor Temp. Sensor (Thermistor) Characteristics

C189 0.1u 25V YLW ELECTRO-MAGNETIC COIL (4-WAYS VALVE)

U (RED) V (BLU) W (YLW)

CN-STM (WHT) ELECTRO-MAGNETIC COIL (EXPANSION VALVE) RED BLU YLW C175 0.01u 50V C173

Outdoor Air Sensor Outdoor Heat Exchanger Sensor

ELECTRO-MAGNETIC COIL (4-WAYS VALVE) 8 GND

CN-STM (WHT) ELECTRO-MAGNETIC COIL (EXPANSION VALVE)

U (RED) V (BLU) W (YLW) RED BLU YLW

Outdoor Air Sensor Outdoor Heat Exchanger Sensor

YLW YLW ELECTRO-MAGNETIC COIL (4-WAYS VALVE)

10. Printed Circuit Board

Indicator Printed Circuit Board CN-DISP

11.1 Select the Best Location

Indoor/Outdoor Unit Installation Diagram Indoor Unit Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. There should not be any heat source or steam near the unit. There should not be any obstacles blocking the air circulation. A place where air circulation in the room is good. A place where drainage can be easily done. A place where noise prevention is taken into consideration. Do not install the unit near the door way. Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles. Recommended installation height for indoor unit shall be at least 2.5 m. Piping direction (Front side) Right Right Rear Left Right bottom Rear Attention not to bend up drain hose Left Left bottom Installation parts you should purchase ( ) 65 mm or more

Installation plate 1 Bushing-Sleeve ( Sleeve ( 50 mm or more Putty ( ) (Gum Type Sealer) Bend the pipe as closely on the wall as possible, but be careful that it doesn’t break. (Left and right are identical) Insulation of piping connections

Outdoor Unit If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radiation from the condenser is not obstructed. There should not be any animal or plant which could be affected by hot air discharged. Keep the spaces indicated by arrows from wall, ceiling, fence or other obstacles. Do not place any obstacles which may cause a short circuit of the discharged air. If piping length is over the [piping length for additional gas], additional refrigerant should be added as shown in the table. Model

Attaching the remote control holder to the wall Remote control 3 Saddle ( Remote control holder 5

It is advisable to avoid more than 2 blockage directions. For better ventilation & multiple-outdoor installation, please consult authorized dealer/specialist. Piping AddiLength tional for Refriadd. gerant gas (g/m) (m) TE20*** Vinyl tape (wide) ( )

• Apply after carrying out a drainage test.
• To carry out the drainage test, remove the air filters and pour water into the heat exchanger. Remote control holder fixing screws 6 Table A Max Min. Max. Capa- Piping size Std. Eleva- Piping Piping city Length tion Length Length (m) (m) (m) (m) (HP) Gas Liquid Carry out insulation after checking for gas leaks and secure with vinyl tape. Vinyl tape

Power supply cord ( Connection cable

Liquid side piping ( Gas side piping (

Additional drain hose (

This illustration is for explanation purposes only. The indoor unit will actually face a different way.

• Table “A” only applicable for single split connection.
• In case of connection to outdoor multi inverter, refer to installation manual at outdoor unit. Example: For TE35*** If the unit is installed at 10 m distance, the quantity of additional refrigerant should be 50 g .... (10-7.5) m x 20 g/m = 50 g.

How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from vibration. Ceiling Wall More than 1 More than 2 2 screw Indoor unit

Installation plate 1

184 mm 128mm TO PIPE HOLE CENTER For best strength of INDOOR unit installation, it is highly recommended to locate “ ” at 5 position as shown.

45 mm 95 mm Ceiling Wall More than 1 Indoor unit Wall More than 1 More than 2 2 screw

Installation plate 1 Measuring Tape For best strength of INDOOR unit installation, it is highly recommended to locate “ ” at 5 position as shown. 128 mm Model TZ50***, TE50*** TZ60***, TE60*** TZ71***

270 mm 320 mm The center of installation plate should be at more than 1 at right and left of the wall. The distance from installation plate edge to ceiling should more than 2. From installation plate center to unit’s left side is 3. From installation plate center to unit’s right side is 4. : For left side piping, piping connection for liquid should be about 5 from this line. : For left side piping, piping connection for gas should be about 6 from this line.

Mount the installation plate on the wall with 5 screws or more (at least 5 screws). (If mounting the unit on the concrete wall, consider using anchor bolts.) o Always mount the installation plate horizontally by aligning the marking-off line with the thread and using a level gauge. Drill the piping plate hole with ø70 mm hole-core drill. o Line according to the left and right side of the installation plate. The meeting point of the extended line is the center of the hole. Another method is by putting measuring tape at position as shown in the diagram above. The hole center is obtained by measuring the distance namely 128 mm for left and right hole respectively. o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side.

To Drill a Hole in the Wall and Install a Sleeve of Piping Wall Insert the piping sleeve to the hole. Fix the bushing to the sleeve. Cut the sleeve until it extrudes about 15 mm from the wall. Indoor 15 mm Approx. 5 - 7 mm Sleeve for tube assembly CAUTION When the wall is hollow, please be sure to use the sleeve for tube assembly to prevent dangers caused by mice biting the connection cable.

Outdoor ø70 mm through hole Bushing for tube assembly Putty or caulking compound Finish by sealing the sleeve with putty or caulking compound at the final stage.

Indoor Unit Installation ● Do not turn over the unit without it’s shock absorber during pull out the piping. It may cause intake grille damage. ● Use shock absorber during pull out the piping to protect the intake grille from damage. pull o ut th

Piping Piping Intake grille Shock absorber

For the Right Rear Piping Right Rear piping Step-1 Pull out the Indoor piping Tape it with piping in a position as mentioned in Fig. below. Piping Step-2 Install the Indoor Unit Step-3 Secure the Indoor Unit Drain hose Cover for the right piping Cover for the bottom piping Cover for the bottom piping Step-4 Insert the connection cable How to keep the cover

In case of the cover is cut, keep the cover at the rear of chassis as shown in the illustration for future reinstallation. (Left, right and 2 bottom covers for piping.) For the Right and Right Bottom Piping Cover for piping Right and Right Bottom piping Step-1 Pull out the Indoor piping Tape it with piping in a position as mentioned in Fig. below. Step-2 Install the Indoor Unit Piping Step-3 Insert the connection cable Drain hose Step-4 Secure the Indoor Unit

Cover for the left piping Cover for the left Cover for the bottom piping piping Cover for the right piping Install the indoor unit Hooks at installation plate Hook the indoor unit onto the upper portion of installation plate. (Engage the indoor unit with the upper edge of the installation plate). Ensure the hooks are properly seated on the installation plate by moving it in left and right. For the Embedded Piping Step-1 Replace the drain hose Sleeve for piping hole Piping Drain hose Indoor unit Step-2 Bend the embedded piping

• Use a spring bender or equivalent to bend the piping so that the piping is not crushed. Secure the Indoor Unit Press the lower left and right side of the unit against the installation plate until hooks engages with their slot (sound click). Step-3 Pull the connection cable into Indoor Unit
• The inside and outside connection cable can be connected without removing the front grille. Unit’s hook Step-4 Cut and flare the embedded piping
• When determining the dimensions of the piping, slide the unit all the way to the left on the installation plate.
• Refer to the section “Cutting and flaring the piping”. Installation plate Insert the connection cable Step-5 Install the Indoor Unit

Step-6 Connect the piping

• Please refer to “Connecting the piping” column in outdoor unit section. (Below steps are done after connecting the outdoor piping and gas-leakage confirmation.) Connection cable Drain hose Step-7 Insulate and finish the piping
• Please refer to “Insulation of piping connection” column as mentioned in indoor/outdoor unit installation. marking Step-8 Secure the Indoor Unit marking at To take out the unit, push the the bottom unit, and pull it slightly towards you to disengage the hooks from the unit. (This can be used for left rear piping and left bottom piping also.) AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk Exchange the drain hose and the cap Rear view for left piping installation Connection cable Piping Drain hose Drain cap Drain hose Connection cable Drain hose Adjust the piping slightly downwards.

Sleeve for piping hole

How to pull the piping and drain hose out, in case of the embedded piping. PVC tube for drain hose (VP-20) More than 700 mm Apply putty or caulking material to seal the wall opening. More than 950mm (1/2 ~ 1.75Hp) or 1150mm (2.0 ~ 2.5Hp) In case of left piping how to insert the connection cable and drain hose.

950 ) or Hp) tha 75Hp ~ 2.5

Mo 2 ~ 1 (2.0 (1/ 50mm Connection cable Piping than Drain hose More m from main unit PVC tube (VP-65) for piping and connection cable PVC tube for drain hose (VP-30) 45° Drain hose Cable PVC tube for drain hose Piping Cable Piping (For the right piping, follow the same procedure) Indoor unit 55mm (1/2 ~ 1.75Hp) or 80mm (2.0 ~ 2.5Hp)

Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm2 flexible cord, type designation 60245 IEC 57 or heavier cord. Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. Allowable connection cable length of each indoor unit shall be 30 m or less. Bind all the indoor and outdoor connection cable with tape and route the connection cable via the escapement. Remove the tapes and connect the connection cable between indoor unit and outdoor unit according to the diagram below. Terminals on the outdoor unit

Colour of wires Terminals on the indoor unit

Secure the connection cable onto the control board with the holder. o Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s respectively. o Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason. Terminal Board Tape Earth Wire longer than others AC wires for safety reason Connection cable Indoor & outdoor connection cable Escapement Holder Indoor & outdoor connection cable Recommended length (mm) Outdoor unit Recommended length (mm)

WARNING This equipment must be properly earthed.

Wire Stripping Connecting and Requirement Wire stripping No loose strand when inserted 10 ± 1 mm WARNING Use complete wire without joining.

Use approved socket and plug with earth pin.

Wire connection in this area must follow to national wiring rules.

MAY CAUSE OVERHEATING AND FIRE. Indoor/outdoor connection terminal board Do not joint wires 5 mm or more (gap between wires) Conductor fully inserted Conductor over inserted Conductor not fully inserted ACCEPT PROHIBITED PROHIBITED

Install the Outdoor Unit After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2 When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt, screws or nails.

Connect the Piping Connecting the Piping to Indoor Please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe. (In case of using long piping) Spanner or Wrench Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers. Further tighten the flare nut with torque wrench in specified torque as stated in the table.

Torque wrench Connecting the Piping to Outdoor Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (locate at valve) onto the copper pipe. Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table. Do not overtighten, overtightening may cause gas leakage. Piping size Torque

Connecting the Piping to Outdoor Multi Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (locate at valve) onto the copper pipe. Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table. Liquid side Hall Union Flare Nut Connection pipe (female side) Auxiliary pipe (male side)

Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. Indoor unit Liquid side Two-way valve Outdoor unit Close Gas side Three-way valve OPEN Close Vacuum pump

CLOSE Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. o Be sure to connect the end of the charging hose with the push pin to the service port. Connect the center hose of the charging set to a vacuum pump. Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa). Then evacuate the air approximately ten minutes. Close the Low side valve of the charging set and turn off the vacuum pump. Make sure that the needle in the gauge does not move after approximately five minutes. Note: BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT GAS LEAKAGE. Disconnect the charging hose from the vacuum pump and from the service port of the 3-way valve. Tighten the service port caps of the 3-way valve at a torque of 18 N•m with a torque wrench. Remove the valve caps of both of the 2-way valve and 3-way valve. Position both of the valves to “OPEN” using a hexagonal wrench (4 mm). Mount valve caps onto the 2-way valve and the 3-way valve. o Be sure to check for gas leakage.

If gauge needle does not move from 0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa), in step 3 above take the following measure: If the leak stops when the piping connections are tightened further, continue working from step 3. If the leak does not stop when the connections are retightened, repair location of leak. Do not release refrigerant during piping work for installation and reinstallation. Take care of the liquid refrigerant, it may cause frostbite.

Connect the Cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Cable connection to the power supply through Isolating Devices (Disconnecting means). o Connect approved type polychloroprene sheathed power supply cord 3 x 1.5 mm2 (3/4 ~ 1.75HP), 3 x 2.5 mm2 (2.0 ~ 2.5HP) type designation 60245 IEC 57 or heavier cord to the terminal board, and connect the others end of the cord to Isolating Devices (Disconnecting means). o Do not use joint power supply cord. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. o In unavoidable case, joining of power supply cord between isolating devices and terminal board of air conditioner shall be done by using approved socket and plug with earth pin rated 15/16A (3/4 ~ 1.75HP) or 16A (2.0HP) or 20A (2.5HP). Wiring work to both socket and plug must follow to national wiring standard. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm2 flexible cord, type designation 60245 IEC 57 or heavier cord. Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. Allowable connection cable length of each indoor unit shall be 30 m or less. Connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below. Terminals on the indoor unit

Colour of wires (connection cable)

Terminals on the outdoor unit

(Power supply cord) Terminals on the isolating devices (Disconnecting means)

(L) (N) Secure the power supply cord and connection cable onto the control board with the holder. Attach the control board cover back to the original position with screw. For wire stripping and connection requirement, refer to instruction 12.2.4 of indoor unit. Terminal Board Earth wire longer than others AC wires for safety reason Holder Power supply cord Indoor & outdoor connection cable Isolating Devices Indoor unit WARNING This equipment must be properly earthed. Note Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap. Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason. Always ensure all above connections compliant with national wire rules.

Piping Insulation Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by using POLY-E FOAM with thickness 6 mm or above.

Cutting and Flaring the Piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. Please make flare after inserting the flare nut onto the copper pipes. Pipe Reamer Point down

• Use Test pen to remove Cap When reinstalling the front grille, first set the vertical airflow direction louver to the horizontal position and then carry out above steps 2 - 3 in the reverse order.

Inclined Surface Cracked Uneven damaged thickness When properly flared, the internal surface of the flare will evenly shine and be of even thickness. Since the flare part comes into contact with the connections, carefully check the flare finish.

Please follow the steps below to take out front grille if necessary such as when servicing. 1 Set the vertical airflow direction louvers to the horizontal position. 2 Remove the 2 caps (1/2 ~ 1.75HP) or 3 caps (2.0 ~ 2.5HP) on the front grille as shown in the illustration at right, and then remove the 3 (1/2 ~ 1.75HP) or 4 (2.0 ~ 2.5HP) mounting screws. 3 Pull the lower section of the front grille towards you to remove the front grille.

Improper flaring 0 – 0.5 mm Screw Disposal of Outdoor Unit Drain Water If a drain elbow is used, the unit should be placed on a stand which is taller than 3 cm. If the unit is used in an area where temperature falls below 0°C for 2 or 3 days in succession, it is recommended not to use a drain elbow, for the drain water freezes and the fan will not rotate. Drain elbow 7 Hose Install the hose at an angle so that the water smoothly flows out.

Check the Drainage Open front panel and remove air filters. (Drainage checking can be carried out without removing the front grille.) Pour a glass of water into the drain tray-styrofoam. Ensure that water flows out from drain hose of the indoor unit. Drain tray-styrofoam

Evaluation of the Performance Operate the unit at cooling/heating operation mode for fifteen minutes or more. Measure the temperature of the intake and discharge air. Ensure the difference between the intake temperature and the discharge is more than 8°C during Cooling operation or more than 14°C during Heating operation. Discharge air

Open the front panel. Remove the air filters. Put the Air purifying filter into place as shown in illustration at right. Air purifying filter 7 Air filter

Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting. The compressor at outdoor unit is operating following the frequency instructed by the microcomputer at indoor unit that judging the condition according to internal setting temperature and intake air temperature.

Internal Setting Temperature Once the operation starts, remote control setting temperature will be taken as base value for temperature shifting processes. These shifting processes are depending on the air conditioner settings and the operation environment. The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit. Remote Control Setting Temperature 16°C - 30°C Auto Operation Mode Shifting Indoor Air Temperature Shifting Outdoor Air Temperature Shifting Powerful Mode Shifting Setting Temperature Limit Checking (Min: 16°C; Max 30°C) Internal Setting Temperature

Soft Dry Operation Thermostat control Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -2.0°C continue for 3 minutes. When compressor is OFF (Thermostat OFF) and AUTO FAN is set, the fan will stop periodically. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point.

Thermostat control Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -1.5°C continue for 3 minutes. When compressor is OFF (Thermostat OFF) and AUTO FAN is set, the fan will stop periodically. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point.

Cooling Operation Heating Operation Thermostat control Compressor is OFF when Intake Air Temperature - Internal Setting Temperature > +2.0°C continue for 3 minutes. Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature < Compressor OFF point.

Automatic Operation This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode and indoor intake air temperature. During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the indoor intake air temperature. Every 10 minutes, the indoor temperature is judged. For the 1st judgment o If indoor intake temperature - remote control setting temperature ≥ 2°C, COOL mode is decided. o If -2°C ≤ indoor intake temperature - remote control setting temperature < 2°C, DRY mode is decided. o If indoor intake temperature - remote control setting temperature < -2°C, HEAT mode is decided. Heat

For the 2nd judgment onwards o If indoor intake temperature - remote control setting temperature ≥ 3°C, if previous operate in DRY mode, then continue in DRY mode. otherwise COOL mode is decided. o If -2°C ≤ indoor intake temperature - remote control setting temperature < 3°C, maintain with previous mode. o If indoor intake temperature - remote control setting temperature < -2°C, HEAT mode is decided. Maintain current mode Heat

12.2 Indoor Fan Motor Operation

Basic Rotation Speed (rpm) A. Basic Rotation Speed (rpm)

[Cooling, Dry] Fan motor’s number of rotation is determined according to remote control setting. Remote control

QLo [Heating] Fan motor’s number of rotation is determined according to remote control setting. Remote control

QLo ii Auto Fan Speed [Cooling, Dry] According to room temperature and setting temperature, indoor fan speed is determined automatically. When set temperature is not achieved, the indoor fan will operate according to pattern below. Fan Speed Higher [1 pattern : 10 s]

When set temperature achieved, the indoor fan speed will be fixed. When thermostat off, the fan stop periodically.

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk [Heating] According to indoor pipe temperature, automatic heating fan speed is determined as follows. RPM Increased 39oC RPM Maintain 35oC RPM Reduced 19oC 16oC OFF Indoor Pipe Temp. B. Feedback control Immediately after the fan motor started, feedback control is performed once every second. During fan motor on, if fan motor feedback ≥ 2550 rpm or < 50 rpm continue for 10 seconds, then fan motor error counter increase, fan motor is then stop and restart. If the fan motor counter becomes 7 times, then H19 - fan motor error is detected. Operation stops and cannot on back.

12.3 Outdoor Fan Motor Operation

Outdoor fan motor is operated with one fan speed only. It starts when compressor starts operation and it stops 30 seconds after compressor stops operation.

Outdoor Fan: OFF 30 sec

During cooling operation, and outdoor ambient temperature is below 8°C, outdoor fan speed will be controlled according to outdoor piping temperature as following: OD Pipe Temperature

33°C During above condition, when indoor heat exchanger temperature is below 5°C, the outdoor fan will stop according to outdoor piping temperature as following:

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12.4 Airflow Direction

There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes). Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger temperature and intake air temperature) and manual (angles of direction can be adjusted using remote control).

Vertical Airflow Operation Mode

Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below. It does not swing during fan motor stop. When the air conditioner is stopped using remote control, the vane will shift to close position. Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and the positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote control, the vane will shift to close position. Side View (Inner Vane) Reference point Step 1 110º Stopper Step 2 Step 3 Closed Position Step 4 Step 5

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk Side View (Outer Vane) Closed Position Stopper Reference point Step 1 135º Step 2 Step 3 Step 4 Step 5 Figure 2

• The horizontal vane angle tolerance is within +/- 5 degree.

Horizontal Airflow The horizontal airflow direction louver can be adjusted manually by hand.

There are 2 sets of ON and OFF timer available to turn the unit ON or OFF at different preset time. If more than one timer had been set, the upcoming timer will be displayed and will activate in sequence.

ON Timer Control ON timer 1 and ON timer 2 can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set ON time. 60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time. From the above judgment, the decided operation will start operate earlier than the set time as shown below. Indoor intake air temperature (oC) Indoor intake air temperature (oC) 15 min 25 min

(oC) Outdoor air temperature (oC) Heating OFF Timer Control OFF timer 1 and OFF timer 2 can be set using remote control, the unit with timer set will stop operate at set time.

This operation provides you with a comfortable environment while sleeping. It will automatically adjust the sleep pattern temperature during the activation period. The indoor unit indicator will dim when this operation is activated. This is not applicable if the indicator brightness has been manually dimmed. This operation is incorporated with the activation timer (0.5, 1, 2, 3, 4, 5, 6, 7, 8 or 9 hours). This operation can be set together with single timer or twin timer. Sleep operation has the priority over OFF timer. This operation can be cancelled by pressing the respective button when the sleep timer reaches 0.0h.

When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly) after power supply resumes. This type of control is not applicable during ON/OFF Timer setting. This control can be omitted by open the circuit of JP1 at indoor unit printed circuit board.

12.8 Indication Panel

LED POWER TIMER Color Green Orange Light ON Operation ON Timer Setting ON Light OFF Operation OFF Timer Setting OFF Note: If POWER LED is blinking, the possible operation of the unit are Hot Start, during Deice operation, operation mode judgment, or ON timer sampling. If Timer LED is blinking, there is an abnormality operation occurs.

12.9 Quiet Operation (Cooling Mode/Cooling Area of Dry Mode)

A. Purpose To provide quiet cooling operation compare to normal operation. B. Control condition a. Quiet operation start condition o When “POWERFUL/QUIET” button at remote control is pressed twice. b. Quiet operation stop condition 1 When one of the following conditions is satisfied, quiet operation stops: a. POWERFUL/QUIET button is pressed again. b. Stop by OFF/ON switch. c. Timer “off” activates. 2 When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3 When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 4 When operation mode is changed, quiet operation is shifted to quiet operation of the new mode. 5 During quiet operation, if timer “on” activates, quiet operation maintains. 6 After off, when on back, quiet operation is not memorized. C. Control contents 1 Fan speed is changed from normal setting to quiet setting of respective fan speed. 2 Fan speed for quiet operation is reduced from setting fan speed.

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12.10 Quiet Operation (Heating)

A. Purpose To provide quiet heating operation compare to normal operation. B. Control condition a. Quiet operation start condition o When “POWERFUL/QUIET” button at remote control is pressed. b. Quiet operation stop condition 1 When one of the following conditions is satisfied, quiet operation stops: a. POWERFUL/QUIET button is pressed again. b. Stop by OFF/ON switch. c. Timer “off” activates. 2 When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3 When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 4 When operation mode is changed, quiet operation is shifted to quiet operation of the new mode. 5 During quiet operation, if timer “on” activates, quiet operation maintains. 6 After off, when on back, quiet operation is not memorized. C. Control contents a. Fan Speed manual 1 Fan speed is changed from normal setting to quiet setting of respective fan speed. 2 Fan speed for quiet operation is reduced from setting fan speed. b. Fan Speed Auto 1 Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger.

12.11 Powerful Mode Operation

When the powerful mode is selected, the internal setting temperature will shift lower up to 2°C (for Cooling/Soft Dry) or higher up to 3.5°C (for Heating) than remote control setting temperature for 20 minutes to achieve the setting temperature quickly.

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13. Operation Control (For Multi Split Connection)

During multi split connection, indoor unit’s operation controls are same with single split connection unless specified in this chapter.

Capability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature — Internal setting temperature < -2.0°C. Capability resume supply to indoor unit after waiting for 3 minutes, if the Intake Air temperature — Internal setting temperature > Capability supply OFF point.

Capability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature — Internal setting temperature < -3.0°C. Capability resume to indoor unit after waiting for 3 minutes, if the Intake Air temperature — Internal setting temperature > Capability supply OFF point.

Capability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature — Internal setting temperature > +1.0°C. During this condition, the indoor fan is stopped if compressor is ON. Capability resume supply to indoor unit after waiting for 3 minutes, if the Intake Air Temperature — Internal setting temperature < Capability supply OFF point.

Temperature Sampling Control Temperature sampling is controlled by outdoor unit where room temperature for all power supply ON indoor unit could be obtained. When capability supply to the indoor unit is OFF and the compressor is ON, the indoor fan motor is stopped. During this condition, 15 seconds after sampling signal from outdoor unit is received, the indoor fan start operation at low fan speed. However, within first 4 minutes of capability stopped supply to the indoor unit, even sampling signal is received, the sampling control is cancelled.

Automatic Operation This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake and outdoor air temperature. During operation mode judgment, indoor fan motor (with speed of -Lo) and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature. The operation mode is decided based on below chart. Every 180 minutes, the indoor and outdoor temperature is judge. Based on remote control setting temperature, the value of T1 will increase up to 10°C, T2 will decrease by 3°C and T3 will decrease up to 8°C.

Indoor Fan Motor Operation

Residual Heat Removal Control

To prevent high pressure at indoor unit, when heating mode thermostat-off condition or power supply OFF, indoor fan continue to operate at controlled fan speed for maximum 30 seconds then stop.

When the power mode is selected, the internal setting temperature will shift lower up to 4C for Cooling/Soft Dry or higher up to 6°C for heating than remote control setting temperature, the powerful operation continue until user cancel the Powerful operation by pressing powerful button again.

Powerful Mode Operation Auto Restart Control When the power supply is cut off during the operation of air conditioner, the compressor will re-operate between three to four minutes (10 patterns to be selected randomly) after power resume. During multi split connection, Indoor unit will resume previous mode, include unit standby mode.

Indication Panel LED POWER TIMER Color White White Light ON Operation ON Timer Setting ON Light OFF Operation OFF Timer Setting OFF Note: If POWER LED is blinking (0.5 seconds ON, 0.5 second OFF), the possible operation of the unit are during Indoor Residual Heat Removal, Hot Start, during Deice operation, operation mode judgment, or ON timer sampling. If POWER LED is blinking (2.5 seconds ON, 0.5 second OFF), the unit is in standby mode. If TIMER LED is blinking, there is an abnormality operation occurs.

14.1 Protection Control for All Operations

Restart Control (Time Delay Safety Control) The Compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period. This control is not applicable if the power supply is cut off and on again. This phenomenon is to balance the pressure inside the refrigerant cycle.

Total Running Current When the outdoor unit total running current (AC) exceeds X value, the frequency instructed for compressor operation will be decreased. If the running current does not exceed X value for 5 seconds, the frequency instructed will be increased. However, if total outdoor unit running current exceeds Y value, compressor will be stopped immediately for 3 minutes. Model Operation Mode Cooling / Soft Dry (A) Cooling / Soft Dry (B) Cooling / Soft Dry (C) Heating

The first 30 minutes of cooling operation, (A) will be applied. IPM (Power transistor) Prevention Control

Overheating Prevention Control 1 When the IPM temperature rises to 120°C, compressor operation will stop immediately. 2 Compressor operation restarts after 3 minutes the temperature decreases to 110°C. 3 If this condition repeats continuously 4 times within 20 minutes, timer LED will be blinking (“F96” is indicated).

DC Peak Current Control 1 When electric current to IPM exceeds set value of 16.0 ± 2.0A, the compressor will stop operate. Then, operation will restart after 3 minutes. 2 If the set value is exceeded again more than 30 seconds after the compressor starts, the operation will restart after 1 minute. 3 If the set value exceeded again within 30 seconds after the compressor starts, the operation will restart after 1 minute. If this condition repeats continuously for 7 times, all indoor and outdoor relays will be cut off, timer LED will be blinking (“F99” is indicated).

Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor temperature. The changes of frequency are as below. If compressor temperature exceeds 103°C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking. (“F97” is indicated.)

Low Frequency Protection Control 1 When the compressor operate at frequency lower than 24 Hz continued for 20 minutes, the operation frequency will be changed to 23 Hz for 2 minutes.

Low Pressure Prevention Control (Gas Leakage Detection) Control start conditions o For 5 minutes, the compressor continuously operates and outdoor total current is between 0.75A and 0.95A. o During Cooling and Soft Dry operations: Indoor suction temperature - indoor piping temperature is below 4°C. o During Heating operations : Indoor piping temperature - indoor suction is under 5°C. Control contents o Compressor stops (and restart after 3 minutes). o If the conditions above happen 2 times within 20 minutes, the unit will: Stop operation Timer LED blinks and “F91” indicated. Low Frequency Protection Control 2 When all the below conditions comply, the compressor frequency will change to lower frequency. Cooling/Soft Dry Heating Indoor intake air (°C) Temperature, T, for: T < 14 or T ≥ 30 T < 14 or T ≥ 28 Outdoor air (°C) T < 13 or T ≥ 38 T < 4 or T ≥ 24 T < 30 T≥0 Indoor heat exchanger (°C)

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14.2 Protection Control for Cooling & Soft Dry Operation

Outdoor Air Temperature Control

The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. This control will begin 1 minute after the compressor starts. Compressor frequency will adjust base on outdoor air temperature.

The compressor will be stopped to avoid compressor overloading. COMP. ON -10°C -12°C COMP. OFF Outdoor Air Temperature

Detects the Outdoor pipe temperature and carry out below restriction/limitation (Limit the compressor Operation frequency). The compressor stop if outdoor pipe temperature exceeds 60°C. If the compressor stops 4 times in 20 minutes, Timer LED blinking (F95 indicated: outdoor high pressure rise protection).

Freeze Prevention Control 1 When indoor heat exchanger temperature is lower than 0°C continuously for 6 minutes, compressor will stop operating. Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 5°C. At the same time, indoor fan speed will be higher than during its normal operation. If indoor heat exchanger temperature is higher than 5°C for 5 minutes, the fan speed will return to its normal operation.

Cooling Overload Control Freeze Prevention Control 2 Control start conditions o During Cooling operation and soft dry operation During thermo OFF condition, indoor intake temperature is less than 10°C or Compressor stops for freeze prevention control o Either one of the conditions above occurs 5 times in 60 minutes. Control contents o Operation stops o Timer LED blinks and “H99” indicated

To prevent dew formation at indoor unit discharge area. This control will be activated if: o Outdoor air temperature and Indoor pipe temperature judgment by microcontroller is fulfilled. o When Cooling or Dry mode is operated more than 20 minutes or more. This control stopped if: o Compressor stopped. o Remote control setting changed (fan speed / temperature). o Outdoor air temperature and indoor intake temperature changed. Fan speed will be adjusted accordingly in this control.

Dew Prevention Control 1 Odor Cut Control To reduce the odor released from the unit. o Start Condition AUTO FAN Speed is selected during COOL or DRY operation. During freeze prevention control and timer preliminary operation, this control is not applicable. o Control content Depends on compressor conditions:

1. Compressor OFF → Compressor ON.

The indoor unit fan stops temporarily and then starts to blow at minimum airflow for 30 seconds.

2. Compressor ON → Compressor OFF.

The indoor unit fan stops for 90 seconds and then blows at minimum airflow for 20 seconds.

14.3 Protection Control for Heating Operation

Intake Air Temperature Control Compressor will operate at limited freq., if indoor intake air temperature is 30°C or above.

The Max current value is regulated when the outdoor air temperature rise above 14°C in order to avoid compressor overloading.

Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below. If the heat exchanger temperature exceeds 60°C, compressor will stop.

Outdoor Air Temperature Control Low Temperature Compressor Oil Return Control In heating operation, if the outdoor temperature falls below -10°C when compressor starts, the compressor frequency will be regulated up to 600 seconds.

When indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced.

Deice Operation When outdoor pipe temperature and outdoor air temperature is low, deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks.

Cold Draught Prevention Control Low Pressure Protection Control During low ambient heating operation, if the pipe temperature drops below -24°C, the max frequency will be reduced and limited. If it does not rises after 3 minutes, the compressor will stop. The compressor will start again if the pipe temperature rises above -20°C.

The Auto operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction.

TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE) The Test Run operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5 seconds. A “beep” sound will heard at the fifth seconds, in order to identify the starting of Test Run operation (Forced cooling operation). Within 5 minutes after Forced cooling operation start, the Auto OFF/ON button is pressed for more than 5 seconds. A 2 “beep” sounds will heard at the fifth seconds, in order to identify the starting of Forced heating operation. The Auto OFF/ON button may be used together with remote control to set / change the advance setting of air conditioner operation.

The Remote Control Number Switch Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 11 seconds (3 “beep” sounds will occur at 11th seconds to identify the Remote Control Number Switch Mode is in standby condition) and press “AC RESET” button and then press any button at remote control to transmit and store the desired transmission code to the EEPROM. There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit. The indoor unit will only operate when received signal with same transmission code from remote control. This could prevent signal interference when there are 2 or more indoor units installed nearby together. To change remote control transmission code, short or open jumpers at the remote control printed circuit board. Remote Control Printed Circuit Board Jumper A (J-A) Jumper B (J-B) Remote Control No. Short Open A (Default) Open Open

During Remote Control Number Switch Mode, press any button at remote control to transmit and store the transmission code to the EEPROM.

REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the Remote Control Receiving Sound Off/On Mode is in standby condition) and press “AC Reset” button at remote control. Press “Auto OFF/ON button” to toggle remote control receiving sound. o Short “beep”: Turn OFF remote control receiving sound. o Long “beep”: Turn ON remote control receiving sound. After Auto OFF/ON Button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ON Mode is restarted.

15.2 Heat Only Operation

How to Activate/Deactivate Heat only Operation The unit will operate under forced cooling mode continuously if “AC reset” code is not pressed to activate standby AUTO SW is pressed

Emergency Forced Cooling Operation Operation Beep 11s Forced Heating Operation BeepBeep AC reset code

AC reset code To enable the “Heat Only” mode, press the AUTO OFF/ON SW for more than 8s and less than 11s, “Beep Beep” sound will be heard, then release the AUTO OFF/ON SW and press remote controller CHECK button. A short “Beep” sound will be heard. “Heat Only” mode is now enable. To disable the “Heat Only” mode, press the AUTO OFF/ON SW for more than 8s and less than 11s, “Beep Beep” sound will be heard, then release the AUTO OFF/ON SW and press remote controller CHECK button. A long “Beep” sound will be heard. “Heat Only” mode is now disable. To pump down the unit during Heat Only Operation press AUTO switch for 5 seconds.

Operation mode during Heating Only Operation The table below shows the operation mode comparison when Heating Only Operation Mode Activated and Deactivated. Operation Mode Heating Only Operation Mode Activated Heating Only Operation Mode Deactivated AUTO After 30s sampling, regardless of the indoor intake or outdoor intake temperature judgment, the unit will run Heating operation. After 30s sampling, the unit will judge the operation mode base on remote controller temperature setting and Indoor Intake Sensor (New Auto Mode) or Outdoor Intake Sensor (Old Auto Mode). HEAT The unit will run Heating operation. The unit will run Heating operation. COOL The unit will stop and Power LED blinking. The unit will run Cooling operation. DRY The unit will stop and Power LED blinking. The unit will run Cooling Dry operation. NANOE-G Stand-alone The unit will stop and Power LED blinking. The unit will run Nanoe-G Stand-alone operation. Force Cooling The unit will run Force Cooling Operation for X_CTRYTM [15] minutes The unit will run Force Cooling operation. Force Heating The unit will run Force Heating operation. The unit will run Force Heating operation. AUTO (with Timer) The unit will turn ON by the timer and run Auto Operation. After 30s sampling, regardless of the indoor intake or outdoor intake temperature judgment, the unit will run Heating operation. The unit will turn ON by the timer and run Auto Operation. After 30s sampling, the unit will judge the operation mode base on remote controller temperature setting and Indoor Intake Sensor (New Auto Mode) or Outdoor Intake Sensor (Old Auto Mode). HEAT (with Timer) The unit will turn ON by the timer and run Heating Operation. The unit will turn ON by the timer and run Heating Operation. COOL (with Timer) The unit will not turn ON by the timer. Power LED blinking. The unit will turn ON by the timer and run Cooling Operation. DRY (with Timer) The unit will not turn ON by the timer. Power LED blinking. The unit will turn ON by the timer and run Cooling Dry Operation. Cooling Test Mode The unit will stop and Power LED blinking. The unit will operate according to specify Cooling test mode operation parameter. Heating Test Mode The unit will operate according to specify Heating test mode operation parameter. The unit will operate according to specify Heating test mode operation parameter.

To check remote control transmission code and store the transmission code to EEPROM: o Press “Set” button by using pointer. o Press “Timer Set” button until a “beep” sound is heard as confirmation of transmission code changed.

To clear and restore the remote control setting to factory default. o Press once to clear the memory.

TIMER ▲ To change indoor unit indicator’s LED intensity. o Press continuously for 5 seconds.

RESET (AC) To restore the unit’s setting to factory default. o Press once to restore the unit’s setting.

Cannot enter this special setting mode under the following conditions: 1 Operation ON. 2 Under [Real/ON/OFF] time setting mode.

To enter zone 2 area: (Press continuously for T ≥ 5 secs) Once T ≥ 5secs Normal display mode

Enter Zone1 Enter Zone2 [range (50~99)] Function & Options list: Note: The functions described in the table may not be applicable to the model and may subject to change without further notice. Function

Zone 1 Remote control number selection A, B, C, D

Solar radiation sensitivity level adjustment 1, 2, 3, 4, 5

Heat mode set temperature Low1 selection 16°C ~ [High1]

Heat mode set temperature High1 selection [Low1] ~ 30°C

ECO demo ON None (No display)

Light sensor check None (No display)

DOA check None (No display)

Odor cut control selection [Enable (01) / Disable (00)] 00 / 01

Frequency tolerance selection [±3Hz (03) / ±7Hz (07)] 03 / 07

Fixed fan speed selection during heat mode compressor OFF 00/01

nanoe check None (No display)

Cool mode disable selection [Yes (01) / No (00)] 00/01

Heat mode disable selection [Yes (01) / No (00)] 00/01

Base pan heater selection [A / b] A/b

Fan speed reduction during cool mode thermo-Off [Enable (01) / Disable (00)] 00/01 65 ~ 99 Remark Reserve

In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a fan. The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions, the standard values for them are shown in the table on the right. Normal Pressure and Outlet Air Temperature (Standard) Outlet air Gas Pressure Temperature MPa (°C) (kg/cm G) Cooling Mode

12 ~ 16 Heating Mode 2.3 ~ 2.9 (23 ~ 29) 36 ~ 45 *Condition: • Indoor fan speed = High

• Outdoor temperature 35°C at the cooling mode and 7°C at the heating mode
• Compressor operates at rated frequency

Relationship Between the Condition of the Air Conditioner and Pressure and Electric Current Condition of the air conditioner Cooling Mode Heating Mode Low Pressure High Pressure Electric current during operation Low Pressure High Pressure Electric current during operation Insufficient refrigerant (gas leakage)

Clogged capillary tube or Strainer

Short circuit in the indoor unit

Heat radiation deficiency of the outdoor unit

• Carry out the measurement of pressure, electric current, and temperature fifteen minutes after an operation is started.

Once abnormality has occurred during operation, the unit will stop its operation, and Timer LED blinks. Although Timer LED goes off when power supply is turned off, if the unit is operated under a breakdown condition, the LED will light up again. In operation after breakdown repair, the Timer LED will no more blink. The last error code (abnormality) will be stored in IC memory.

Every press of the button (up or down) will increase abnormality numbers and transmit abnormality code signal to the main unit. When the latest abnormality code on the main unit and code transmitted from the remote controller are matched, power LED will light up for 30 seconds and a beep sound (continuously for 4 seconds) will be heard. If no codes are matched, power LED will light up for 0.5 seconds and no sound will be heard. The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds. The same diagnosis can be repeated by turning power on again.

To Make a Diagnosis Timer LED start to blink and the unit automatically stops the operation. Press the CHECK button on the remote controller continuously for 5 seconds. “- -” will be displayed on the remote controller display. Note: Display only for “- -”. (No transmitting signal, no receiving sound and no Power LED blinking.) Press the “TIMER” ▲ or ▼ button on the remote controller. The code “H00” (no abnormality) will be displayed and signal will be transmitted to the main unit. Every press of the button (up or down) will increase abnormality numbers and transmit abnormality code signal to the main unit. When the latest abnormality code on the main unit and code transmitted from the remote controller are matched, power LED will light up for 30 seconds and a beep sound (continuously for 4 seconds) will be heard. If no codes are matched, power LED will light up for 0.5 seconds and no sound will be heard. The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds. The LED will be off if the unit is turned off or the RESET button on the main unit is pressed.

To Display Memorized Error Code (Protective Operation) Turn power on. Press the CHECK button on the remote controller continuously for 5 seconds. “- -” will be displayed on the remote controller display. Note: Display only for “- -”. (No transmitting signal, no receiving sound and no Power LED blinking.) Press the “TIMER” ▲ or ▼ button on the remote controller. The code “H00” (no abnormality) will be displayed and signal will be transmitted to the main unit. The power LED lights up. If no abnormality is stored in the memory, three beeps sound will be heard.

To Clear Memorized Error Code after Repair (Protective Operation) Turn power on (in standby condition). Press the AUTO button for 5 seconds (A beep receiving sound) on the main unit to operate the unit at Forced Cooling Operation modes. Press the CHECK button on the remote controller for about 1 second with a pointed object to transmit signal to main unit. A beep sound is heard from main unit and the data is cleared. Temporary Operation (Depending On Breakdown Status) Press the AUTO button (A beep receiving sound) on the main unit to operate the unit. (Remote control will become possible.) The unit can temporarily be used until repaired.

Diagnosis display Abnormality / Protection control Abnormality Judgment H00 No memory of failure

Protection Operation Normal operation Indoor fan only operation can start by entering into force cooling operation Problem Check location

Indoor/outdoor communication not establish Indoor/outdoor wire terminal Indoor/outdoor PCB Indoor/outdoor connection wire Total indoor capability more than maximum limit or less than minimum limit, or number of indoor unit less than two Indoor intake air temperature sensor open or short circuit Indoor/outdoor connection wire Indoor/outdoor PCB Specification and combination table in catalogue H11 Indoor/outdoor abnormal communication After operation for 1 minute H12 Indoor unit capacity unmatched 90s after power supply

Compressor temperature Compressor temperature sensor open or short circuit sensor lead wire and connector

Current transformer faulty or compressor faulty Outdoor PCB faulty or compressor faulty Continuous happen for 7 times

Indoor fan motor lock or feedback abnormal Fan motor lead wire and connector Fan motor lock or block Continuous for 5s

Indoor heat exchanger temperature sensor open or short circuit Indoor heat exchanger temperature sensor lead wire and connector Continuous for 5s

Indoor heat exchanger temperature sensor 2 open or short circuit Indoor heat exchanger temperature sensor 2 lead wire and connector Port is ON for 10s during ion device off

Outdoor air temperature Outdoor air temperature sensor sensor open or short circuit lead wire and connector Continuous for 5s

Outdoor heat exchanger temperature sensor 1 open or short circuit Outdoor heat exchanger temperature sensor 1 lead wire and connector Continuous for 5s

Outdoor discharge pipe temperature sensor open or short circuit Outdoor discharge pipe temperature sensor lead wire and connector Continuous for 5s

Outdoor heat exchanger temperature sensor 2 open or short circuit Outdoor heat exchanger temperature sensor 2 lead wire and connector

Indoor and outdoor rated voltage different Indoor and outdoor units check H14 H15 H16 H19 H23 H24 H25 H27 H28 H30 H32 H33 H34 H36 H37 H38 H39 Indoor intake air temperature sensor abnormality Compressor temperature sensor abnormality Outdoor current transformer (CT) abnormality Indoor fan motor mechanism lock Indoor heat exchanger temperature sensor abnormality Indoor heat exchanger temperature sensor 2 abnormality Indoor ion device abnormality Outdoor air temperature sensor abnormality Outdoor heat exchanger temperature sensor 1 abnormality Outdoor discharge pipe temperature sensor abnormality Outdoor heat exchanger temperature sensor 2 abnormality Indoor / outdoor misconnection abnormality Outdoor heat sink temperature sensor abnormality Outdoor gas pipe temperature sensor abnormality Outdoor liquid pipe temperature sensor abnormality Indoor/Outdoor mismatch (brand code) Abnormal indoor operating unit or standby units

Continuous for 2s Continuous for 5s Continuous for 5s

3 times happen within 40 minutes

Heating protection operation only Cooling protection operation only Outdoor heat sink temperature sensor open or short circuit Outdoor gas pipe temperature sensor open or short circuit Outdoor liquid pipe temperature sensor open or short circuit Indoor intake air temperature sensor lead wire and connector ion device PCB Outdoor heat sink sensor Outdoor gas pipe temperature sensor lead wire and connector Outdoor liquid pipe temperature sensor lead wire and connector Check indoor unit and outdoor unit

Check indoor/outdoor connection wire and connection Wrong wiring and pipe connecting pipe, expansion valve abnormality, indoor Indoor heat exchanger sensor heat exchanger sensor lead wire and connector open circuit Expansion valve and lead wire and connector

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk Diagnosis display Abnormality / Protection control Abnormality Judgment Protection Operation Problem Check location

Wrong wiring and connecting pipe, expansion valve abnormality

Check indoor/outdoor connection wire and connection pipe Expansion valve and lead wire and connector ECONAVI sensor (defective or disconnected) ECONAVI PCB H41 Abnormal wiring or piping connection

H59 ECONAVI sensor abnormality Continuous for 25s

ECONAVI sensor open or short circuit H64 Outdoor high pressure sensor abnormality Continuous for 1 minute

High pressure sensor open circuit during compressor stop H67 nanoe abnormality nanoe stop for 5 minutes for 3 times

nanoe faulty H70 Light sensor abnormality Continuous for 24 hours, 15 days

Light sensor open or short circuit H97 Outdoor fan motor mechanism lock 2 times happen within 30 minutes

Indoor high pressure protection (Heating) H99 Indoor operating unit freeze protection

Indoor freeze protection (Cooling) F11 4-way valve switching abnormality

4-way valve switching abnormal 3 times happen within 40 minutes

Check indoor/outdoor Wrong wiring and connection wire and pipe connecting pipe, expansion Indoor heat exchanger sensor valve leakage, indoor heat lead wire and connector exchanger sensor open Expansion valve lead wire and circuit connector 4 times happen within 10 minutes

Power factor correction circuit abnormal Outdoor PCB faulty Refrigeration cycle abnormal Compressor abnormal revolution Insufficient refrigerant or valve close Power transistor module faulty or compressor lock F17 F90 F91 F93 F94 F95 F96 F97 Indoor standby units freezing abnormality Power factor correction (PFC) circuit protection Refrigeration cycle abnormality Compressor abnormal revolution Compressor discharge overshoot protection Outdoor cooling high pressure protection Power transistor module overheating protection Compressor overheating protection 4 times happen within 30 minutes 2 times happen within 20 minutes 4 times happen within 20 minutes

High pressure sensor Lead wire and connector

PCB nanoe system High voltage Light sensor (defective or disconnect) Outdoor fan motor lead wire and connector Fan motor lock or block Check indoor heat exchanger Air filter dirty Air circulation short circuit Check indoor heat exchanger Air filter dirty Air circulation short circuit 4-way valve Lead wire and connector 4 times happen within 30 minutes

Compressor discharge pressure overshoot Check refrigeration system 4 times happen within 20 minutes

Cooling high pressure protection Check refrigeration system Outdoor air circuit 4 times happen within 30 minutes

Power transistor module overheat PCB faulty Outdoor air circuit (fan motor) 3 times happen within 30 minutes

Compressor overheat Insufficient refrigerant F98 Total running current protection 3 times happen within 20 minutes

Total current protection Check refrigeration system Power source or compressor lock F99 Outdoor direct current (DC) peak detection Continuous happen for 7 times

16.4 Self-diagnosis Method

H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused Faulty indoor unit PCB. Faulty outdoor unit PCB. Indoor unit-outdoor unit signal transmission error due to wiring error. Indoor unit-outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units. Troubleshooting When abnormality indication starts again Caution Measure the AC voltage at terminal 1 & 2 of outdoor unit terminal board

Is the measured voltage 230/240V? For safety reason and to prevent component breakdown, always switch off the power before remove and connect the component.

AC power supply abnormal fluctuation

Defect in communication circuitry of outdoor unit PCB Replace the PCB YES Measure the DC voltage at terminal 2 & 3 (communication terminals) of outdoor unit terminal board Is the measured DC voltage fluctuate between 10~70V?

YES Measure the AC voltage at terminal 1 & 2 of indoor unit terminal board

Is the measured voltage 230/240V?

Improper connection at terminals indoor/outdoor Check indoor/outdoor connecting cable YES Measure the DC voltage at terminal 2 & 3 of indoor unit terminal board Is the measured DC voltage fluctuate between 10~70V?

Improper connection at terminals indoor/outdoor Check indoor/outdoor connecting cable Defect in receiver/transmitter module of the communication circuitry in indoor unit PCB Replace the indoor unit PCB

H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions During startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction Caused Wrong models interconnected. Wrong indoor unit or outdoor unit PCBs mounted. Indoor unit or outdoor unit PCBs defective. Indoor-outdoor unit signal transmission error due to wrong wiring. Indoor-outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor and outdoor units. Troubleshooting

H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

H16 (Outdoor Current Transformer) Malfunction Decision Conditions An input current, detected by Current Transformer CT, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction Caused Lack of gas Broken CT (current transformer) Broken Outdoor PCB Troubleshooting

H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550 rpm or < 50 rpm) Malfunction Caused Operation stops due to short circuit inside the fan motor winding. Operation stops due to breaking of wire inside the fan motor. Operation stops due to breaking of fan motor lead wires. Operation stops due to Hall IC malfunction. Operation error due to faulty indoor unit PCB. Troubleshooting

H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

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16.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality)

Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

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16.4.12 H33 (Unspecified Voltage between Indoor and Outdoor)

Malfunction Decision Conditions The supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction Caused Wrong models interconnected. Wrong indoor unit and outdoor unit PCBs used. Indoor unit or outdoor unit PCB defective. Troubleshooting

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

16.4.13 H34 (Outdoor Heat Sink Temperature Sensor Abnormality)

Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

16.4.14 H36 (Outdoor Gas Pipe Sensor Abnormality)

Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

16.4.15 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality)

Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB. Troubleshooting

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

16.4.16 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked)

Malfunction Decision Conditions The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor. Malfunction Caused Operation stops due to short circuit inside the fan motor winding. Operation stops due to breaking of wire inside the fan motor. Operation stops due to breaking of fan motor lead wires. Operation stops due to Hall IC malfunction. Operation error due to faulty outdoor unit PCB. Troubleshooting When abnormality indication starts again CN-MTR2 (WHT) FAN MOTOR

Turn off power supply and rotate fan by hand. Caution

For safety reason and to prevent component breakdown, always switch off the power before remove and connect the component.

YES Turn off power supply and disconnect fan motor CN-MRT2 connector. Turn power supply on and operate fan.

Replace fan motor. YES Use an inverter check to check on the power transistor on board. Connect it to PCB’s CN-MRT2 port. Turn power ON and run the unit. Do all 6 LED light turn ON and turn OFF periodically?

Replace outdoor PCB. YES Replace fan motor. Does the voltage at each terminal becomes 5 and 0Vdc repeatedly?

16.4.17 H98 (Error Code Stored in Memory and no alarm is triggered / no TIMER LED

flashing) Malfunction Decision Conditions Indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation. Phenomena: unit is stopping and re-starting very often in heating mode Malfunction Caused Indoor heat exchanger thermistor Clogged air filter or heat exchanger Over-bent pipe (liquid side) Troubleshooting

Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C) Malfunction Caused Air short circuit at indoor unit Clogged indoor unit air filter Dust accumulation on the indoor unit heat exchanger 2/3 way valve closed Faulty indoor unit fan motor Refrigerant shortage (refrigerant leakage) Clogged expansion valve or strainer Faulty indoor pipe temperature sensor Faulty indoor unit PCB Troubleshooting

Malfunction Decision Conditions When indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction Caused Indoor heat exchanger (pipe) thermistor 4-way valve malfunction Troubleshooting

• Check gas side pipe – for hot gas flow in cooling mode

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16.4.20 F17 (Indoor Standby Units Freezing Abnormality)

Malfunction Decision Conditions When the different between indoor intake air temperature and indoor pipe temperature is above 10°C or indoor pipe temperature is below -1.0°C. Remark: When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit(s). Malfunction Caused Wrong wiring connection Faulty sensor Faulty expansion valve Troubleshooting

Malfunction Decision Conditions To maintain DC voltage level supply to power transistor. To detect high DC voltage level after rectification. Malfunction Caused During startup and operation of cooling and heating, when Power Factor Correction (PFC) protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors. When DC voltage detected is LOW, transistor switching will turn ON by controller to push-up the DC level. When DC voltage detected is HIGH (391Vdc – 425Vdc), active LOW signal will send by the controller to turn OFF relay RY-C. Troubleshooting

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

16.4.22 F91 (Refrigeration Cycle Abnormality)

Malfunction Decision Conditions The input current is low while the compressor is running at higher than the setting frequency. Malfunction Caused Lack of gas. 3-way valve close. Troubleshooting

Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction Caused Compressor terminal disconnect Faulty Outdoor PCB Faulty compressor Troubleshooting

Malfunction Decision Conditions During operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction Caused Outdoor heat exchanger temperature rise due to short-circuit of hot discharge air flow. Outdoor heat exchanger temperature rise due to defective of outdoor fan motor. Outdoor heat exchange temperature rise due to defective outdoor heat exchanger thermistor. Outdoor heat exchanger temperature rise due to defective of outdoor unit PCB. Troubleshooting

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

16.4.25 F96 (IPM Overheating)

Malfunction Decision Conditions During operating of cooling and heating, when IPM temperature data (100°C) is detected by the IPM temperature sensor. Multi Models only o Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated. o Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data (90°C) is detected by the heat sink temperature sensor. Malfunction Caused IPM overheats due to short circuit of hot discharge air flow. IPM overheats due to defective of outdoor fan motor. IPM overheats due to defective of internal circuitry of IPM. IPM overheats due to defective IPM temperature sensor. Multi Models Only o Compressor OL connector poor contact. o Compressor OL faulty. Troubleshooting

Malfunction Decision Conditions During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the compressor tank temperature sensor. Malfunction Caused Faulty compressor tank temperature sensor 2/3 way valve closed Refrigerant shortage (refrigerant leakage) Faulty outdoor unit PCB Faulty compressor Troubleshooting

Malfunction Decision Conditions During operation of cooling and heating, when an input over-current (X value in Total Running Current Control) is detected by checking the input current value being detected by current transformer (CT) with the compressor running. Malfunction Caused Excessive refrigerant. Faulty outdoor unit PCB. Troubleshooting

Malfunction Decision Conditions During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry. Malfunction Caused DC current peak due to compressor failure. DC current peak due to defective power transistor(s). DC current peak due to defective outdoor unit PCB. DC current peak due to short circuit. Troubleshooting

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17. Disassembly and Assembly Instructions

WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks.

17.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor

To Remove Front Grille 3 Hold both sides of the front grille and remove it by pulling up and toward yourself gently. 1 Lift to open the horizontal vane gently. 2 Remove 2 caps and 3 screws at the bottom of discharge vane. Figure 1

To Remove Power Electronic Controller Hook 4 Removing the control board cover by releasing the hook. Figure 2

AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk 9 Detach connectors as labeled from the electronic controller. Then pull out main controller gently. 8 Pull out the main electronic controller halfway. AC303 5 Detach the Earth wire screw, lead wires AC306 (Black) and AC304 (Red) from the terminal board. CN-FM 7 Remove screw to remove terminal board complete. CN-STM1 CN-STM3 6 Detach the CN-DISP connector then remove the indicator complete. CN-TH Figure 3

Figure 4 To Remove Discharge Grille Discharge Grille 10 Pull cut to remove the drain hose from the discharge grille 11 Then pull the discharge grille downward gently to dismantle it. Figure 5

To Remove Control Board Figure 6

To Remove Cross Flow Fan and Indoor Fan Motor Figure 7 15 Remove the bearing by pulling it out gently. 14 Remove the 2 screw from the evaporator Figure 8

17.2 Outdoor Electronic Controller Removal Procedure

Caution! When handling electronic controller, be careful of electrostatic discharge.

Remove the 5 screws of the Top Panel.

Remove the Control Board as follows: Screws Top Panel Screws Remove of Screw Control Board Control Board Release 3 Terminal Connectors, L, N and Earth Wire Screw. Then Remove 4 Terminal Connectors of DRM. Screw Release 7 Connectors Remove 2 Screws of Plate Terminal Board Fig. 1

Release 2 Earth Wire Screws Remove the 6 screws of the Front Panel. Screws Fig. 4 Front Panel Remove the Terminal Cover and 3 Terminal Compressor Screw Screws Fig. 2

Control Board Remove the screw of the Terminal Board Cover. Remove the Top Cover of the Control Board by 4 hooks. Hooks Compressor Fig. 5 Top Cover Electronic Controller Hooks Control Board Terminal Board Cover Screw Control Board Fig. 6 Fig. 3 AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

CU-TE42TKE Caution! When handling electronic controller, be careful of electrostatic discharge.

Remove the 5 screws of the Top Panel.

Remove the Control Board as follows: Fig. 1 Fig. 4

Remove the 8 screws of the Front Panel. Fig. 2

Remove the screw of the Terminal Board Cover. Remove the Top Cover of the Control Board by 4 hooks. Fig. 5 Fig. 6 Fig. 3

Technical data provided are based on the air conditioner running under free frequency.

18.1 Cool Mode Performance Data

Unit setting: Standard piping length, Hi Fan, Cool mode at 16°C Voltage: 230V

(Dry bulb value based on 46% humidity)

(Dry bulb value based on 46% humidity)

(Dry bulb value based on 46% humidity)

(Dry bulb value based on 46% humidity) TC - Total Cooling Capacity (W) SHC - Sensible Heat Capacity (W) - Input Power (W)

Unit setting: Standard piping length, Hi Fan, Heat mode at 30°C Voltage: 230V

Service data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode.

19.1 Cool Mode Outdoor Air Temperature Characteristic

Condition - Indoor room temperature: 27°C Dry Bulb/19°C Wet Bulb - Unit setting: Standard piping length, forced cooling at 16°C, Hi fan - Compressor frequency: Rated for cooling operation - Piping length: 5m - Voltage: 230V

19.2 Heat Mode Outdoor Air Temperature Characteristic

Condition - Indoor room temperature: 20°C Dry Bulb/ -°C Wet Bulb - Unit setting: Standard piping length, forced heating at 30°C, Hi fan - Compressor frequency: Rated for Heating operation - Piping length: 5m - Voltage: 230V

19.3 Piping Length Correction Factor

The characteristic of the unit has to be corrected in accordance with the piping length. CS-TE20TKEW CU-TE20TKE CS-TE25TKEW CU-TE25TKE CS-TE35TKEW CU-TE35TKE CS-TE42TKEW CU-TE42TKE Cooling Capacity Correction Factor

Heating Capacity Correction Factor Pipe Length (m)

Pipe Length (m) Note: The graphs show the factor after added right amount of additional refrigerant.

Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.

REMARK (NOTE) All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). “O” marked parts are recommended to be kept in stock.

(NOTE) All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). “O” marked parts are recommended to be kept in stock. AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk

Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts. AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk SAFETY REF. NO.

SOUND PROOF MATERIAL (TOP)

SCREW - FAN MOTOR MOUNT

NUT - COMPRESSOR MOUNT

V-COIL COMPLETE (4-WAY VALVE)

V-COIL COMPLETE (EXP. VALVE)

REMARK (NOTE) All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). “O” marked parts are recommended to be kept in stock.

Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts. AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk SAFETY REF. NO. QTY. CU-TE42TKE

SCREW - FAN MOTOR MOUNT

NUT - COMPRESSOR MOUNT

V-COIL COMPLETE (4-WAY VALVE)

ACXF60-07460 REMARK (NOTE) All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). “O” marked parts are recommended to be kept in stock. Printed in Malaysia FY0717-4 AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk