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38

13 Servicing Mode

13.1. Auto OFF/ON Button

1. AUTO OPERATION MODE

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

2. 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 occur at the fifth seconds, in order to identify the starting of Test Run operation.

3. REMOTE CONTROL RECEIVING SOUND OFF/ON MODE

The Remote Control Receiving Sound OFF/ON operation will be activated if (within 20 seconds of Test Run Operation) the
Auto OFF/ON button is pressed for more than 5 seconds. 2 “beep” sound will occur at to identify the starting of Remote
Control Receiving Sound Off/On Mode.

Press “Auto OFF/ON button” to toggle remote control receiving sound.
- Short “beep”: Turn ON remote control receiving sound.
- Long “beep”: Turn OFF 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.

13.2. Select Remote Control Transmission Code

There are 4 type 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 unit installed nearby together.

• To change remote control transmission code, short or open jumpers at the remote control printed circuit board.

• During Remote Control Receiving Sound OFF/ON Mode, press any button at remote control to transmit and store the desired

transmission code to the EEPROM.

Содержание CS-YW9GKE

Страница 1: ...5 Dimensions 10 5 1 Indoor Unit Remote Control 10 5 2 Outdoor Unit 11 6 Refrigeration Cycle Diagram 12 7 Block Diagram 13 8 Wiring Connection Diagram 14 9 Electronic Circuit Diagram 15 10 Printed Circ...

Страница 2: ...ated in instructions Please remind the customer to keep the operating instructions for future reference This indication shows the possibility of causing death or serious injury This indication shows t...

Страница 3: ...igh about 1100 F 600 C 5 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 lea...

Страница 4: ...e Refrigerant Oil Charged cm3 FV50S 350cm3 Refrigerant Charged R410A g oz 860 30 4 Dimension Height mm inch 280 11 1 32 510 20 3 32 Width mm inch 799 31 15 32 650 25 19 32 Depth mm inch 183 7 7 32 230...

Страница 5: ...ium Pre Coat Aluminium Fin Type Slit Fin Louver Fin Row x Stage x FPI 2 x 10 x 18 2 x 23 x 17 Size W x H x L mm 610 x 210 x 25 4 36 4 x 483 x 585 557 Air Filter Material Polypropelene Style One Touch...

Страница 6: ...gerant Oil Charged cm3 FV50S 350cm3 Refrigerant Charged R410A g oz 910 32 1 Dimension Height mm inch 280 11 1 32 510 20 3 32 Width mm inch 799 31 15 32 650 25 19 32 Depth mm inch 183 7 7 32 230 9 1 16...

Страница 7: ...ium Pre Coat Aluminium Fin Type Slit Fin Louver Fin Row x Stage x FPI 2 x 15 x 21 2 x 23 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 483 x 585 557 Air Filter Material Polypropelene Style One Touch...

Страница 8: ...ty Improvement Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle OLP to protect Compressor Noise prevention during soft dry o...

Страница 9: ...9 4 Location of Controls and Components 4 1 Product Overview 4 1 1 Indoor Unit 4 1 2 Outdoor Unit 4 1 3 Remote Control...

Страница 10: ...10 5 Dimensions 5 1 Indoor Unit Remote Control 5 1 1 CS YW9GK CS YW12GK...

Страница 11: ...11 5 2 Outdoor Unit 5 2 1 CU YW9GK CU YW12GK...

Страница 12: ...12 6 Refrigeration Cycle Diagram...

Страница 13: ...13 7 Block Diagram...

Страница 14: ...ature Resistance of Compressor Windings Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature MODEL CS YW9GK CS YW12GK CONNECTION CWA921373 BLUE YELLOW 390 YELL...

Страница 15: ...15 9 Electronic Circuit Diagram...

Страница 16: ...16 10 Printed Circuit Board 10 1 Indoor Unit Main Printed Circuit Board...

Страница 17: ...17 10 2 Indoor Unit Power Printed Circuit Board...

Страница 18: ...18 10 3 Indicator TOP VIEW BOTTOM VIEW...

Страница 19: ...irect 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 indicat...

Страница 20: ...ethod is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 150 mm and 125 mm for left and right hole respectively Drill t...

Страница 21: ...21 3 For the embedded piping This can be used for left rear piping and left bottom piping also...

Страница 22: ...sheathed 5 YW9GK YW12GK x 1 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord Ensure the colour of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively E...

Страница 23: ...ently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table Connecting The Piping To Outdoor Unit Decide piping length and then...

Страница 24: ...caps of the 3 way valve at a torque of 18 NO m with a torque wrench 7 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 m...

Страница 25: ...room temperature reaches the setting temperature set on the remote control The remote control setting temperature which takes the reading of intake air temperature sensor can be adjusted from 16 C to...

Страница 26: ...erature reaches the setting temperature set on the remote control The remote control setting temperature which takes the reading of intake air temperature sensor can be adjusted from 16 C to 30 C Duri...

Страница 27: ...gins Soft Dry will be switched ON for a maximum 10 minutes then Soft Dry operation will be turned OFF for a minimum 6 minutes After that the Soft Dry operation will be ON and OFF based on the setting...

Страница 28: ...operation mode started Automatic Set Temperature For each operation set temperature will automatically set as shown below The setting temperature for all the operations can be changed one level up or...

Страница 29: ...force stop by pressing the OFF ON operation button at the remote control is permitted The reason for the compressor to force operate at minimum 60 seconds is to allow the refrigerant oil run in a ful...

Страница 30: ...e Indoor fan motor operate at Low fan speed CLo Lo or QLo This control is cancelled immediately when above condition is changed or Powerful button is pressed Anti Dew formation is control by 1 CLo fan...

Страница 31: ...ng This is to reduce the pressure as to reduce the indoor heat exchanger temp Nevertheless is to protect the compressor from overload of too high temperature 12 5 12 4 Way Valve Control 4 way valve al...

Страница 32: ...f the TRS Thermal Reed Switch senses the outdoor piping temperature drops to 3 C TRS CLOSE or less for 50 sec continuously during compressor is in operation deice will start There is no detection duri...

Страница 33: ...33 Normal Deicing Time Diagram Overload Deicing Time Diagram...

Страница 34: ...e switched to Hi fan speed from Lo after 70 seconds from the start of compressor This cause the room temperature to achieve the setting temperature quickly 4 During compressor stop indoor fan will ope...

Страница 35: ...6 minutes indoor fan will start fan speed at Lo to circulate the air in the room This is to obtain the actual reading of intake air temperature Auto Fan Speed during Heating operation 1 Indoor fan wi...

Страница 36: ...densation prevention Airflow Direction Auto control angle change from 0 32 to 20 30 under Cooling and Soft Dry operation mode Heating Operation condition When the piping air temperature reaches 38 C t...

Страница 37: ...ation lamp will blink at this time 12 10 2 OFF Timer When OFF Timer is set by using the remote control the unit will stop operate according to the desired setting 12 11 Random Auto Restart Control If...

Страница 38: ...ccur at to identify the starting of Remote Control Receiving Sound Off On Mode Press Auto OFF ON button to toggle remote control receiving sound Short beep Turn ON remote control receiving sound Long...

Страница 39: ...gnal or if the timer SET button is not pressed for 30 seconds the setting mode is cancelled Press timer CANCEL button to exit the setting mode 13 3 2 CLOCK BUTTON To change the remote control s time f...

Страница 40: ...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 a...

Страница 41: ...y of the outdoor unit Inefficient compression Nature of fault Symptom Electric current during operation becomes approximately 20 lower than the normal value Insufficient compressing of a compressor Th...

Страница 42: ...WARNING Cautions When handling electronic controller be careful of electrostatic discharge Be sure to return the wiring to its original position There are many high voltage components within the heat...

Страница 43: ...43...

Страница 44: ...44 15 2 Indoor Fan Motor and Cross Flow Fan Removal Procedures...

Страница 45: ...45...

Страница 46: ...46 16 Technical Data 16 1 Thermostat Characteristics Cooling Soft Dry Heating...

Страница 47: ...15 1 73 1 04 22 0 C 2 97 2 04 0 85 2 77 1 96 0 91 2 58 1 89 0 98 2 35 1 81 1 06 230V Outdoor Temp C Indoor wet bulb temp 30 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 3 08 2 33 1 04 2 87...

Страница 48: ...48 16 3 Operation Characteristics 16 3 1 CS YW9GK CU YW9GK...

Страница 49: ...49...

Страница 50: ...50...

Страница 51: ...51...

Страница 52: ...52 16 3 2 CS YW12GK CU YW12GK...

Страница 53: ...53...

Страница 54: ...54...

Страница 55: ...55...

Страница 56: ...Exploded View and Replacement Parts List 17 1 Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service...

Страница 57: ...TAL VANE COMPLETE 1 CWE24C1142 18 BACK COVER CHASSIS 1 CWD932454 19 CONTROL BOARD CASING 1 CWH102289 20 TERMINAL BOARD COMPLETE 1 CWA28C2312 CWA28C2313 21 POWER SUPPLY CORD W OUT PLUG 1 CWA20C2552 22...

Страница 58: ...58 17 2 Outdoor Unit 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...

Страница 59: ...J CWA121214J 19 HOLDER O L P 1 CWH7041200 20 TERMINAL COVER 1 CWH171011 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151074 24 TERMINAL BOARD ASS Y 1 CWA28K1021J 25 CAPACITOR COM 1 DS...

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