Tosot TW09HQ1C8D Service Manual
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Tosot TW09HQ1C8D Service Manual

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Change for life
Service Manual
Models: TW09HQ1C8D
TW12HQ1C8D
TW18HQ1C8D
TW24HQ1C8D
TW09HQ1B8A
TW12HQ1B8A
TW09CQ2B8D
TW12CQ2B8D
TW09HQ2C2D
TW12HQ2C2D
TW18HQ2C2D
TW24HQ2C2D
(Refrigerant R410A)
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Tosot TW09HQ1C8D

  • Page 1 Change for life Service Manual Models: TW09HQ1C8D TW12HQ1C8D TW18HQ1C8D TW24HQ1C8D TW09HQ1B8A TW12HQ1B8A TW09CQ2B8D TW12CQ2B8D TW09HQ2C2D TW12HQ2C2D TW18HQ2C2D TW24HQ2C2D (Refrigerant R410A) GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................4 2.1 Specification Sheet ......................4 2.2 Operation Characteristic Curve ..................28 2.3 Capacity Variation Ratio According to Temperature ............28 2.4 Cooling and Heating Data Sheet in Rated Frequency ...........29 2.5 Noise Curve ........................30 3.
  • Page 3 Service Manual 9. Maintenance ......................84 9.1 Error Code List .......................84 9.2 Troubleshooting for Main Malfunction ................85 9.3 Troubleshooting for Normal Malfunction .................97 10. Exploded View and Parts List ..............99 10.1 Indoor Unit ........................99 10.2 Outdoor Unit .......................123 11. Removal Procedure ..................147 11.1 Removal Procedure of Indoor Unit ................147 11.2 Removal Procedure of Outdoor Unit ................152...

  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit TW09HQ1C8D/I TW12HQ1C8D/I TW18HQ1C8D/I TW24HQ1C8D/I TW09HQ1B8A/I TW12HQ1B8A/I TW09CQ2B8DI TW12CQ2B8DI TW09HQ2C2DI TW12HQ2C2DI TW18HQ2C2DI TW24HQ2C2DI Outdoor Unit TW09HQ1C8D/O TW12HQ1C8D/O Technical Information...
  • Page 5 Service Manual TW18HQ1C8D/O TW24HQ1C8D/O TW09HQ1B8A/O TW12HQ1B8A/O TW09CQ2B8DO TW12CQ2B8DO TW09HQ2C2DO TW12HQ2C2DO TW18HQ2C2DO Technical Information...
  • Page 6 Service Manual TW24HQ2C2DO Remote Controller YAN1F1F YAN1F6F(WiFi) Model list: Indoor Unit Product Outdoor Unit Product Model Product Code Indoor Unit Outdoor Unit Remote Controller Code Code TW09HQ1C8D CB456000400_L59684 TW09HQ1C8D/I CB427W02200_L59684 TW09HQ1C8D/O CB456N00400_L59684 YAN1F1F TW12HQ1C8D CB456000900_L59684 TW12HQ1C8D/I CB456N00900_L59684 TW12HQ1C8D/O CB427W05900_L59684 YAN1F1F TW18HQ1C8D...

  • Page 7: Specifications

    Service Manual 2. Specifications 2.1 Specification Sheet Model TW09HQ1C8D Product Code CB456000400_L59684 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 9000(3100~9600) Heating Capacity(Min~Max) Btu/h 9500(3100~12000) Cooling Power Input(Min~Max) 900(375~1300) Heating Power Input(Min~Max) 800(300~1350)
  • Page 8 Service Manual Model of Outdoor Unit TW09HQ1C8D/O Outdoor Unit Product Code CB427W02200_L59684 Compressor Manufacturer/Trademark ZHUHAI GREE DAIKIN DEVICE CO.,LTD Compressor Model 1GDY23AXD Compressor Oil DAPHNE FVC50K Compressor Type Swing Compressor Locked Rotor Amp (L.R.A) Compressor RLA Compressor Power Input Overload Protector KSD115℃...
  • Page 9 Service Manual Model TW12HQ1C8D Product Code CB456000900_L59684 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 12000(3753~12500) Heating Capacity(Min~Max) Btu/h 13000(3924~14000) Cooling Power Input(Min~Max) 1300(410~1350) Heating Power Input(Min~Max) 1250(380~1500) Cooling Power Current Heating Power Current Rated Input 1500 Rated Current...
  • Page 10 Service Manual Model of Outdoor Unit TW12HQ1C8D/O Outdoor Unit Product Code CB427W05900_L59684 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO,LTD. Compressor Model QXA-B102zE190 Compressor Oil RB68EP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) Compressor RLA Compressor Power Input 1020 Overload Protector Throttling Method Capillary Operation temp...
  • Page 11 Service Manual Model TW18HQ1C8D Product Code CB456000300_L59684 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 18000 Heating Capacity(Min~Max) Btu/h 19000 Cooling Power Input(Min~Max) 1920 Heating Power Input(Min~Max) 2000 Cooling Power Current Heating Power Current Rated Input 2600 Rated Current...
  • Page 12 Service Manual Model of Outdoor Unit TW18HQ1C8D/O Outdoor Unit Product Code CB427W02000_L59684 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXA-B141zF030A Compressor Oil RB68EP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) 25.00 Compressor RLA 12.08 Compressor Power Input 1440 Overload Protector 1NT11L-6233 or KSD115℃...
  • Page 13 Service Manual Model TW24HQ1C8D Product Code CB456000200_L59684 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 22000 Heating Capacity(Min~Max) Btu/h 23000 Cooling Power Input(Min~Max) 2260 Heating Power Input(Min~Max) 2300 Cooling Power Current 10.03 Heating Power Current 10.20 Rated Input 2750...
  • Page 14 Service Manual Model of Outdoor Unit TW24HQ1C8D/O Outdoor Unit Product Code CB427W02400_L59684 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXA-B141zF030A Compressor Oil RB68EP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) 25.00 Compressor RLA 12.18 Compressor Power Input 1440 Overload Protector 1NT11L-6233 or KSD115℃...
  • Page 15 Service Manual Model TW09HQ1B8A Product Code CB438N03702_L59684 Rated Voltage Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 9000(2764~10918) Heating Capacity(Min~Max) Btu/h 9600(2081~12263) Cooling Power Input(Min~Max) 895(350~1270) Heating Power Input(Min~Max) 852(280~1250) Cooling Power Current 10.93 Heating Power Current 10.20 Rated Input 1270...
  • Page 16 Service Manual Model of Outdoor Unit TW09HQ1B8A/O Outdoor Unit Product Code CB427W03900_L59684 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXA-A091zE190 Compressor Oil FVC68D or RB 68EP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) Compressor RLA 12.62 Compressor Power Input Overload Protector 1NT11L-6233 or KSD115ºC or HPC115/95U1 Throttling Method...
  • Page 17 Service Manual Model TW12HQ1B8A Product Code CB438003902_L59684 Rated Voltage Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 12000(3753~12500) Heating Capacity(Min~Max) Btu/h 13000(3412~15013) Cooling Power Input(Min~Max) 1193(380~1300) Heating Power Input(Min~Max) 1250(350~1350) Cooling Power Current 12.40 Heating Power Current 13.50 Rated Input 1350...
  • Page 18 Service Manual Model of Outdoor Unit TW12HQ1B8A/O Outdoor Unit Product Code CB427W03700_L59684 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXA-A091zE190 Compressor Oil FVC68D or RB 68EP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) Compressor RLA 15.23 Compressor Power Input Overload Protector 1NT11L-6233 or KSD115ºC or HPC115/95U1 Throttling Method...
  • Page 19 Service Manual Model TW09CQ2B8D Product Code CB438000300_L91250 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 9000(3100~9600) Heating Capacity(Min~Max) Btu/h Cooling Power Input(Min~Max) 630(160~1300) Heating Power Input(Min~Max) Cooling Power Current 2.80 Heating Power Current Rated Input 1300 Rated Current...
  • Page 20 Service Manual Model of Outdoor Unit TW09CQ2B8DO Outdoor Unit Product Code CB419W04200_L91250 Compressor Manufacturer/Trademark ZHUHAI GREE DAIKIN DEVICECO.,LTD Compressor Model 1GDY23AXD Compressor Oil DAPHNE FVC50K Compressor Type Swing Compressor Locked Rotor Amp (L.R.A) Compressor RLA Compressor Power Input Overload Protector KSD115OC or HPC115/95 Throttling Method Electron expansion valve...
  • Page 21 Service Manual Model TW12CQ2B8D Product Code CB438000200_L91250 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 12000(3100~13000) Heating Capacity(Min~Max) Btu/h Cooling Power Input(Min~Max) 923(200~1350) Heating Power Input(Min~Max) Cooling Power Current 4.50 Heating Power Current Rated Input 1350 Rated Current...
  • Page 22 Service Manual Model of Outdoor Unit TW12CQ2B8DO Outdoor Unit Product Code CB419W04400_L91250 Compressor Manufacturer/Trademark ZHUHAI GREE DAIKIN DEVICECO.,LTD Compressor Model 1GDY23AXD Compressor Oil DAPHNE FVC50K Compressor Type Swing Compressor Locked Rotor Amp (L.R.A) Compressor RLA Compressor Power Input Overload Protector KSD115OC or HPC115/95 Throttling Method Electron expansion valve...
  • Page 23 Service Manual Model TW09HQ2C2D Product Code CB439005801_X18545 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 9000(3100~9600) Heating Capacity(Min~Max) Btu/h 11000(1911~12000) Cooling Power Input(Min~Max) 630(160~1300) Heating Power Input(Min~Max) 1020(160~1350) Cooling Power Current 2.80 Heating Power Current 3.50 Rated Input 1350...
  • Page 24 Service Manual Model of Outdoor Unit TW09HQ2C2DO Outdoor Unit Product Code CB419W04300_X18545 Compressor Manufacturer/Trademark ZHUHAI GREE DAIKIN DEVICE CO.,LTD Compressor Model 1GDY23AXD Compressor Oil DAPHNE FVC50K Compressor Type Swing Compressor Locked Rotor Amp (L.R.A) Compressor RLA Compressor Power Input Overload Protector KSD115OC or HPC115/95 Throttling Method Electron expansion valve...
  • Page 25 Service Manual Model TW12HQ2C2D Product Code CB439005601_X18545 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 12000(3100~13000) Heating Capacity(Min~Max) Btu/h 13000(2400~14000) Cooling Power Input(Min~Max) 960(200~1350) Heating Power Input(Min~Max) 1100(400~1400) Cooling Power Current 4.50 Heating Power Current 5.50 Rated Input 1400...
  • Page 26 Service Manual Model of Outdoor Unit TW12HQ2C2DO Outdoor Unit Product Code CB419W04500_X18545 Compressor Manufacturer/Trademark ZHUHAI GREE DAIKIN DEVICE CO.,LTD Compressor Model 1GDY23AXD Compressor Oil DAPHNE FVC50K Compressor Type Swing Compressor Locked Rotor Amp (L.R.A) Compressor RLA Compressor Power Input Overload Protector KSD115OC or HPC115/95 Throttling Method Electron expansion valve...
  • Page 27 Service Manual Model TW18HQ2C2D Product Code CB439005901_X18545 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 18000(6800~20000) Heating Capacity(Min~Max) Btu/h 19800(7340~23500) Cooling Power Input(Min~Max) 1435(450~2150) Heating Power Input(Min~Max) 1730(580~2600) Cooling Power Current 6.37 Heating Power Current 7.68 Rated Input 3000...
  • Page 28 Service Manual Model of Outdoor Unit TW18HQ2C2DO Outdoor Unit Product Code CB419W06700_X18545 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO,LTD. Compressor Model QXA-B141zF030A Compressor Oil RB68EP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) Compressor RLA 12.08 Compressor Power Input 1440 Overload Protector 1NT11L-6233 or KSD115OC or HPC115/95U1 Throttling Method Electron expansion valve...
  • Page 29 Service Manual Model TW24HQ2C2D Product Code CB439005701_X18545 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 22000(6824~27296) Heating Capacity(Min~Max) Btu/h 23000(6824~30708) Cooling Power Input(Min~Max) 1830(450~3000) Heating Power Input(Min~Max) 2000(450~3000) Cooling Power Current 8.05 Heating Power Current 8.35 Rated Input 3000...
  • Page 30 Service Manual Model of Outdoor Unit TW24HQ2C2DO Outdoor Unit Product Code CB419W03600_X18545 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO,LTD. Compressor Model QXAS-D23zX090A Compressor Oil RB68EP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) Compressor RLA 14.67 Compressor Power Input 2550 Overload Protector 1NT11L-6233/HPC 115/95 /KSD115OC Throttling Method Electron expansion valve...

  • Page 31: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Heating Cooling 220V 220V • Conditions Indoor : DB80˚F/WB66.9˚F Outdoor : DB95˚F Indoor air flow : High Pipe lengt : 24.6ft 230V 230V 240V • Conditions Indoor : DB70˚F/WB60˚F 240V Outdoor : DB19.94˚F/WB19.04˚F Indoor air flow : High Pipe lengt : 24.6ft Compressor frequency(Hz) Compressor frequency(Hz)

  • Page 32: Cooling And Heating Data Sheet In Rated Frequency

    Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe Rated cooling Compressor connecting indoor and temperature of heat Fan speed of Fan speed of condition(°F) (DB/WB) Model revolution outdoor unit exchanger indoor unit outdoor unit...

  • Page 33: Noise Curve

    Service Manual 2.5 Noise Curve Indoor side noise when blowing Outdoor side noise when blowing 09&12K Heating 09&12K Cooling Super High Middle High Indoor fan motor rotating speed Compressor frequency(Hz) Indoor side noise Outdoor side noise Heating Cooling Compressor frequency(Hz) Indoor fan motor rating speed Technical Information...

  • Page 34: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit TW09HQ1C8D/I TW12HQ1C8D/I TW18HQ1C8D/I TW24HQ1C8D/I 6 5/8 18 3/16 6 5/16 Φ2 3/16 Φ2 3/16 2 1/8 2 1/8 3 1/2 4 11/16 21 5/16 7 1/4 Φ2 3/16 Φ2 3/16 1 3/8...
  • Page 35 Service Manual TW09HQ1B8A/I TW12HQ1B8A/I 4 7/8 21 5/16 7 1/16 6 5/8 18 1/4 6 1/4 Φ2 3/16 Φ2 3/16 Φ2 3/16 Φ2 3/16 1 3/8 1 3/8 2 1/8 2 1/8 3 1/4 4 15/16 5 7/8 3 9/16 Unit:inch Models 31 1/8...
  • Page 36 Service Manual TW12CQ2B8DI 8 7/32 33 1/4 21 21/64 7 1/4 4 43/64 Φ2 3/16 Φ2 3/16 1 3/8 1 3/8 Unit:inch 3 19/64 TW09HQ2C2DI TW12HQ2C2DI 8 1/4 33 1/4 4 11/16 21 5/16 7 1/4 Φ2 3/16 Φ2 3/16 1 3/8 1 3/8 Unit:inch...
  • Page 37 Service Manual TW18HQ2C2DI 13/64 Φ2 1/6 Φ2 1/6 1 1/2 1 1/2 7 1/2 5 1/2 Unit:inch Models 38 13/64 11 13/16 8 5/6 TW24HQ2C2DI 8 7/64 7 21/64 Φ2 3/4 Φ2 3/4 1 21/32 3 7/64 Unit:inch Models 42 7/16 12 51/64 9 11/16 Technical Information...

  • Page 38: Outdoor Unit

    Service Manual 3.2 Outdoor Unit TW09HQ1C8D/O TW12HQ1C8D/O 10 1/8 30 9/16 12 5/8 Unit:inch Technical Information...
  • Page 39 Service Manual TW18HQ1C8D/O TW24HQ1C8D/O 13 3/8 15 5/8 Unit: inch TW09HQ1B8A/O TW12HQ1B8A/O 12 5/8 33 3/8 21 1/4 Unit:inch Technical Information...
  • Page 40 Service Manual TW09CQ2B8DO TW12CQ2B8DO TW09HQ2C2DO 12 19/32 33 13/32 23 5/16 TW12HQ2C2DO 33 25/64 12 19/32 23 19/64 Unit:inch Technical Information...
  • Page 41 Service Manual TW18HQ2C2DO 13 13/32 15 19/32 Unit: inch TW24HQ2C2DO 36 7/32 14 37/64 38 37/64 16 13/16 Unit:inch Technical Information...

  • Page 42: Refrigerant System Diagram

    Valve Strainer Capillary Strainer COOLING HEATING Connection pipe specification: Liquid pipe:1/4" Gas pipe:3/8"(TW09HQ1C8D TW09HQ1B8A TW09CQ2B8D TW09HQ2C2D TW12HQ1C8D TW12HQ1B8A ) Gas pipe:1/2"(TW12HQ2C2D TW12CQ2B8D TW18HQ1C8D) Gas pipe:5/8"(TW18HQ2C2D TW24HQ1C8D TW24HQ2C2D) 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol...
  • Page 43 Service Manual ● Indoor Unit TW09HQ1C8D/I TW18HQ1C8D/I TW12HQ1C8D/I TW24HQ1C8D/I 63610000441 TW24HQ2C2DI 6361000012101 Technical Information...
  • Page 44 Service Manual TW09HQ1B8A/I TW12HQ1B8A/I 600007000575 TW09CQ2B8DI TW12CQ2B8DI 63610000133 Technical Information...
  • Page 45 Service Manual TW09HQ2C2DI TW12HQ2C2DI 6361000013301 TW18HQ2C2DI 6361000044201 Technical Information...
  • Page 46 Service Manual ● Outdoor Unit TW09HQ1C8D/O 63610000444 TW12HQ1C8D/O 6361000044402 Technical Information...
  • Page 47 Service Manual TW18HQ1C8D/O TW24HQ1C8D/O 6361000044601 TW09HQ1B8A/O TW12HQ1B8A/O N(1) 600007060633 Technical Information...
  • Page 48 Service Manual TW09CQ2B8DO TW12CQ2B8DO N(1) N(1) 63610000136 TW09HQ2C2DO TW12HQ2C2DO N(1) N(1) 63610000137 Technical Information...
  • Page 49 Service Manual TW18HQ2C2DO 6361000044801 TW24HQ2C2DO 63633617 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...

  • Page 50: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit ● Top view TW09HQ1C8D/I TW18HQ1C8D/I TW12HQ1C8D/I TW24HQ1C8D/I 4 12 Neutral wire 2 Control interface of PG motor 3 Jumper interface 4 Temperature sensor Interface of up and down swing terminal 6 Feedback interface of indoor fan...
  • Page 51 Service Manual TW09HQ1B8A/I TW09CQ2B8DI TW12CQ2B8DI TW12HQ1B8A/I Top view Name Interface of communication wire for indoor unit and outdoor unit 2 Interface of live wire 3 Interface of neutral wire 4 Interface of fan 5 Jumper cap Interface of health function live wire (only for the mode with this function) 7 Up&down swing interface 8 Feedback interface of indoor unit...
  • Page 52 Service Manual TW09HQ2C2DI TW18HQ2C2DI TW12HQ2C2DI TW24HQ2C2DI Top view Name Neutral wire Needle stand for indoor fan Auto button up&down swing interface Interface of wifi Interface of temperature sensor Terminal for display board connection Terminal of jumper cap Interface of communication wire for indoor unit and outdoor unit Terminal of wired controlle 11 Fuse...
  • Page 53 Service Manual Outdoor Unit ● Top view TW09HQ1C8D/O TW12HQ1C8D/O TW18HQ1C8D/O 1 Interface of indoor fan 2 Interface of electric heating belt 3 Interface of 4-way valve Interface of electronic expansion valve 5 Interface of earthing wire 6 Interface of live wire...
  • Page 54 Service Manual TW24HQ1C8D/O Top view Name Compressor three phase input interface Interface of system high pressure protection Compressor overload protection interface 4 Interface of temperature sensor Interface of electronic expansion valve Interface of system low pressure protection 7 Interface of fan 8 4-way valve interface 9 2-way valve interface Interface of electric heating for...
  • Page 55 Service Manual TW09HQ1B8A/O TW12HQ1B8A/O Top view Name Name Name Name Terminal of Terminal of temperature 6 Terminal of neutral wire 11 Terminal of live wire communication wire sensor Externally connect Terminal of electric Terminal of earthing 7 Terminal of live wire positive terminal of heating(only for cooling wire...
  • Page 56 Service Manual TW09CQ2B8DO TW09HQ2C2DO TW12CQ2B8DO TW12HQ2C2DO Top view 14 15 Bottom view Technical Information...
  • Page 57 Service Manual TW18HQ2C2DO Top view 1 Compressorinter face Terminal of electronic expansion valve Interface of temperatur sensor Overload interface of compressor 5 Terminal of outdoor fan 4-way valve interface 7 Terminal of power supply live wire terminal 8 Communication wire 9 Grounding wire 10 Neutral wire Bottom view...
  • Page 58 Service Manual TW24HQ2C2DO Top view 1 Compressorinter face 2 Compressor overload protector 3 Temperature sensor 4 Electric expansion valve 5 Outdoor fan 6 4-way valve Communication interface with indoor unit 8 Live wire 9 Earthing wire 10 Neutral wire 11 Reactor interface 2 12 Reactor interface 1 13 2-way valve interface Bottom view...

  • Page 59: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction YAN1F1F ON/OFF button MODE button FAN button SWING button TURBO button ▲/ button SLEEP button TEMP button I FEEL button LIGHT button CLOCK button TIMER ON / TIMER OFF button Introduction for icons on display screen Set fan speed I feel...
  • Page 60 Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Press this button to select your required operation mode. AUTO COOL HEAT ● When selecting auto mode, air conditioner will operate automatically according to factory setting. Set temperature can’t be adjusted and will not be displayed as well.
  • Page 61 Service Manual 7. SLEEP button Under COOL, HEAT or DRY mode, press this button to start up sleep function. " " icon is displayed on remote controller. Press this button again to cancel sleep function and " " icon will disappear. 8.
  • Page 62 Service Manual Function introduction for combination buttons 1. Energy-saving function Under cooling mode, press "TEMP" and " CLOCK" buttons simultaneously to start up or turn off energy-saving function. When energy-saving function is started up, "SE" will be shown on remote controller, and air conditioner will adjust the set temperature automatically according to factory setting to reach to the best energy-saving effect.
  • Page 63 Service Manual Note: ● During operation, point the remote control signal sender at the receiving window on indoor unit. ● The distance between signal sender and receiving window should be no more than 8m, and there should be no obstacles between them. ●...

  • Page 64: Remote Controller Introduction

    Service Manual 6.2 Remote Controller Introduction YAN1F6F(WiFi) ON/OFF button MODE button FAN button SWING button TURBO button ▲/ button SLEEP button TEMP button WIFI button LIGHT button CLOCK button TIMER ON / TIMER OFF button Introduction for icons on display screen Set fan speed I feel Send signal...
  • Page 65 Service Manual ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. MODE button Press this button to select your required operation mode. AUTO COOL HEAT When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Set temperature can’t be adjusted and will not be displayed as well.
  • Page 66 Service Manual 6. ▲/ button Press "▲" or " " button once increase or decrease set temperature 1 (1°F) . Holding "▲" or " " button, 2s later, set temperature on remote controller will change quickly. On releasing button after setting is finished, temperature indica- tor on indoor unit will change accordingly.
  • Page 67 Service Manual Note: Under on and off status, you can set TIMER OFF or TIMER ON simultaneously. Before setting TIMER ON or TIMER OFF, please adjust the clock time. After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off according to setting time.
  • Page 68 Service Manual Replacement of batteries in remote controller signal sender battery Press the back side of remote controller marked with " out the cover of battery box along the arrow direction. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar reinstall are correct.

  • Page 69: Brief Description Of Modes And Functions

    Service Manual 6.3 Brief Description of Modes and Functions Indoor Unit ● 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 60.8~86.0 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status.
  • Page 70 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 60.8 F.
  • Page 71 Service Manual Outdoor Units 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. a. In cooling mode, the indoor ambient temperature participating in computing control = (T – ⊿ T indoor ambient temperature cooling indoor ambient temperature compensation b.
  • Page 72 Service Manual 3. Special Functions Defrosting Control ① Conditions for starting defrosting After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous 3minutes, the defrosting operation will start. ② Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied: ③...
  • Page 73 Service Manual 1. Starting estimation: After the compressor stopped working for 180s, if T > [T (the temperature of hysteresis is 35.6ºF )], inner pipe frozen-preventing frequency-limited temperature the machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozen- preventing protection: Clear the trouble under the mode of power turn-off / heating, and the protection times are not counted.
  • Page 74 Service Manual 1. Frequency limited If [T ]≤T <[T ] , you should limit the frequency raising of heating overload frequency-limited temperature inner pipe heating overload frequency reducing temperature at normal speed compressor. 2. Reducing frequency at normal speed and stopping machine: If T[ ]≤T <[T...
  • Page 75 Service Manual (6)Voltage sag protection After start the compressor, if the time of DC link Voltage sag [U ] is measured to be less than t Voltage sag protection time , Sagging protection voltage the machine should be stop at once, hand on the voltage sag trouble, reboot automatically after 30 minutes. (7)Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault.
  • Page 76 Service Manual (12) Starting-up Failure Protection for Compressor Stop the compressor after its starting-up fails, restart it after 20s if the fault doesn’t shows, and if they are all failing for the successive start 3 times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if press ON/OFF.
  • Page 77 Service Manual 6. Electric Heating Function of Chassis (1) When Toutdoor amb.≤32ºF , the electric heating of chassis will operate; (2) When Toutdoor amb.>35.6ºF , the electric heating of chassis will stop operation; (3)When 32ºF <Toutdoor amb.≤35.6ºF, the electric heating of chassis will keep original status. 7.

  • Page 78: Part Ⅱ : Installation And Maintenance

    Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself.
  • Page 79 Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.

  • Page 80: Installation

    Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 6 At least 6 Space to the wall Drainage pipe Uint:inch Installation and Maintenance...
  • Page 81 Service Manual Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...

  • Page 82: Installation Parts-Checking

    Service Manual 8.4 Electric Connection Requirement 8.2 Installation Parts-checking 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. Outdoor unit Wrapping tape (2) According to the local safety regulations, use qualified Support of outdoor power supply circuit and air switch.
  • Page 83 Service Manual in the holes. 5. Connect the Pipe of Indoor Unit (3) Fix the wall-mounting frame on the wall with tapping screws (1) Aim the pipe joint at the corresponding bellmouth.(As show (ST4.2X25TA) and then check if the frame is firmly installed by in Fig.5) pulling the frame.
  • Page 84 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose then take down the cover.(As show in Fig.11) with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord Screw...

  • Page 85: Installation Of Outdoor Unit

    Service Manual 8.6 Installation of Outdoor Unit Refer to the following table for wrench moment of force: Hex nut diameter(inch) Tightening torque(ft·Ibf) 1. Fix the Support of Outdoor Unit(Select it according to Φ1/4 11.10~14.75 the actual installation situation) Φ3/8 22.12~29.50 (1) Select installation location according to the house structure.

  • Page 86: Vacuum Pumping And Leak Detection

    Service Manual Note: 8.8 Check after Installation and Test (1) The through-wall height of drain hose shouldn't be higher Operation than the outlet pipe hole of indoor unit.(As show in Fig.25) (2) Slant the drain hose slightly downwards. The drain hose 1.

  • Page 87: Maintenance

    Service Manual 9. Maintenance 9.1 Error Code List Display of lamp (the times of blinking) Display of Name of malfunction Indoor Outdoor indoor unit Anti-freezing protection Block or Low pressure of refrigerant system Compressor exhaust high temperature protection AC over-current protection Communication failure between indoor unit and outdoor unit Anti-high temperature protection No feedback of indoor fan motor...

  • Page 88: Troubleshooting For Main Malfunction

    Service Manual 9.2 Troubleshooting for Main Malfunction ●Indoor unit: 1. Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●...
  • Page 89 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor can't operate? ●...
  • Page 90 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ●...
  • Page 91 Service Manual 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn...
  • Page 92 Service Manual ●Outdoor unit: (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: ●Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. ●Is the reactor (L) correctly connected? Is the connection loose or fallen? Is the reactor (L) damaged? Fault diagnosis process: Turn on the unit...
  • Page 93 Service Manual (2) IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit after energization...
  • Page 94 Service Manual (3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is outdoor ambient temperature in normal range? ●Are the outdoor and indoor fans operating normally? ●Is the heat dissipation environment inside and outside the unit good? Fault diagnosis process: Overheat and high temperature protection...
  • Page 95 Service Manual (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: ●Whether the compressor wiring is connected correct? ●Is compressor broken? ●Is time for compressor stopping enough? Fault diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes?
  • Page 96 Service Manual (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is the system pressure too high? ●Is the input voltage too low? Fault diagnosis process: Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 97 Service Manual (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: ●Is the PMV connected well or not? Is PMV damaged? ●Is refrigerant leaked? Fault diagnosis process: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the...
  • Page 98 Service Manual (7) Power factor correct or (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken Fault diagnosis process: Start Check wiring of the...
  • Page 99 Service Manual (8) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start...

  • Page 100: Troubleshooting For Normal Malfunction

    Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, No power supply, or poor After energization, operation indicator isn’t bright wait for power recovery.
  • Page 101 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...

  • Page 102: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit TW09HQ1C8D/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 103 Service Manual Part Code Description TW09HQ1C8D/I Product Code CB456N00400_L59684 Front Panel 27230007569 Display Board 30565281 Front Case Assy 00000200040 Helicoid Tongue 26112508 Left Axile Bush 10512037 Rear Case assy 00000100066 Drainage Hose 0523001408 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing...
  • Page 104 Service Manual TW12HQ1C8D/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 105 Service Manual Part Code Description TW12HQ1C8D/I Product Code CB456N00900_L59684 Front Panel 27230007570 Display Board 30565281 Front Case Assy 00000200045 Helicoid Tongue 26112436 Left Axile Bush 10512037 Rear Case assy 00000100093 Drainage Hose 05230014 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 7651205102 Evaporator support 24212179...
  • Page 106 Service Manual TW18HQ1C8D/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 107 Service Manual Part Code Description TW18HQ1C8D/I Product Code CB456N00300_L59684 Decorative Strip(Convex) Front Panel 27230007571 Display Board 30565278 Filter Sub-Assy 11122089 Decorative Board (Left) Front Case 2002248401 Guide Louver 1051276501 Axile Bush 10542036 Air Louver(Manual) 10512732 Helicoid Tongue 26112512 Left Axile Bush 10512037 Rear Case assy 22202571...
  • Page 108 Service Manual TW24HQ1C8D/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 109 Service Manual Part Code Description TW24HQ1C8D/I Product Code CB456N00200_L59684 Front Panel 27230007572 Filter Sub-Assy 11012007 Screw Cover 2425245301 Front Case Assy 00000200057 Air Louver(Manual) 10512737 Helicoid Tongue sub-assy 26112382 Left Axile Bush 10512037 Rear Case assy 22202570 Rubber Plug (Water Tray) 76712012 Ring of Bearing 26152025...
  • Page 110 Service Manual TW09HQ1B8A/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 111 Service Manual Part Code Description TW09HQ1B8A/I Product Code CB438N03702_L59684 Front Panel Assy 27230012601 Display Board 30565260 Front Case Assy 00000200040 Helicoid Tongue 26112508 Left Axile Bush 10512037 Rear Case assy 00000100066 Drainage Hose 0523001408 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051 Evaporator Support 24212180...
  • Page 112 Service Manual TW12CQ2B8DI The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 113 Service Manual Description TW12HQ1B8A/I Product Code CB438N03902_L59684 Front Panel 27230012600 Display Board 30565260 Front Case Assy 00000200045 Helicoid Tongue 26112436 Left Axile Bush 10512037 Rear Case assy 00000100093 Drainage Hose 05230014 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051 Evaporator support 24212179 Cold Plasma Generator...
  • Page 114 Service Manual TW09CQ2B8DI The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 115 Service Manual Part Code Description TW09CQ2B8DI Product Code CB438N00300_L91250 Front Panel 27230010137 Display Board 30565260 Front Case Assy 00000200045 Helicoid Tongue 26112436 Left Axile Bush 10512037 Rear Case assy 00000100093 Drainage Hose 05230014 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051 Evaporator Support 24212174...
  • Page 116 Service Manual TW12CQ2B8DI The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 117 Service Manual Description TW12CQ2B8DI Product Code CB438N00200_L91250 Front Panel 27230010137 Display Board 30565260 Front Case Assy 00000200045 Helicoid Tongue 26112436 Left Axile Bush 10512037 Rear Case assy 00000100093 Drainage Hose 05230014 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051 Evaporator Support 24212174 Cold Plasma Generator...
  • Page 118 Service Manual TW09HQ2C2DI The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 119 Service Manual Part Code Description TW09HQ2C2DI Product Code CB439N05801_X18545 Front Panel 27230006884 Display Board 30565281 Front Case Assy 00000200045 Helicoid Tongue 26112436 Left Axile Bush 10512037 Rear Case assy 00000100093 Drainage Hose 05230014 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051 Evaporator Support 24212174...
  • Page 120 Service Manual TW12HQ2C2DI The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 121 Service Manual Description TW12HQ2C2DI Product Code CB439N05601_X18545 Front Panel 27230006884 Display Board 30565281 Front Case Assy 00000200045 Helicoid Tongue 26112436 Left Axile Bush 10512037 Rear Case assy 00000100093 Drainage Hose 05230014 Ring of Bearing 26152022 O-Gasket sub-assy of Bearing 76512051 Evaporator Support 24212174 Cold Plasma Generator...
  • Page 122 Service Manual TW18HQ2C2DI The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 123 Service Manual Part Code Description TW18HQ2C2DI Product Code CB439N05901_X18545 Decorative Strip(Left) Front Panel 27230006886 Display Board 30565278 Filter Sub-Assy 1112208904 Decorative Board (Left and Right) 20192662 Front Case Assy 00000200042 Guide Louver 1051276501 Axile Bush 10542036 Air Louver(Manual) 10512732 Helicoid Tongue 26112512 Left Axile Bush 10512037...
  • Page 124 Service Manual TW24HQ2C2DI The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 125 Service Manual Part Code Description TW24HQ2C2DI Product Code CB439N05701_X18545 Front Panel 27230006887 Filter Sub-Assy 11012007 Screw Cover 2425245301 Front Case Assy 00000200057 Air Louver(Manual) 10512737 Helicoid Tongue sub-assy 26112382 Left Axile Bush 10512037 Rear Case assy 22202570 Rubber Plug (Water Tray) 76712012 Ring of Bearing 26152025...

  • Page 126: Outdoor Unit

    Service Manual 10.2 Outdoor Unit TW09HQ1C8D/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 127 Service Manual Part Code Description TW09HQ1C8D/O Product Code CB427W02200_L59684 Front Grill 01473012 Front Panel Assy 0153304804 Axial Flow Fan 10333004 Chassis Sub-assy 01700000095P Clapboard Sub-Assy 0123338502 Drainage Connecter 06123401 Compressor Gasket 76713027 4-Way Valve Assy 03073369 Valve Support 0171314201P Cut off Valve...
  • Page 128 Service Manual TW12HQ1C8D/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 129 Service Manual Part Code Description TW12HQ1C8D/O Product Code CB427W05900_L59684 Front Grill 01473012 Front Panel Assy 0000030001504 Axial Flow Fan 10333004 Chassis Sub-assy 017000000126P Clapboard Sub-Assy 0123338502 Drainage Connecter Compressor Gasket 76710287 4-Way Valve Assy 030152000094 Valve Support 0171314201P Cut off Valve 071302391 Cut off Valve 07133082...
  • Page 130 Service Manual TW18HQ1C8D/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 131 Service Manual Part Code Description TW18HQ1C8D/O Product Code CB427W02000_L59684 Front Grill 01473049 Front Panel Assy 0000030002401 Axial Flow Fan 10335008 Chassis Sub-assy 01700000093P Drainage Connecter 06123401 Compressor and Fittings 00105249G 4-Way Valve Assy 030152000291 Valve Support Assy 01715010P Cut off Valve 071302392 Cut off Valve 0713506803...
  • Page 132 Service Manual TW24HQ1C8D/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 133 Service Manual Description TW24HQ1C8D/O Product Code CB427W02400_L59684 Rear Grill 01473043 Front Panel Assy 0000030002401 Axial Flow Fan 10335008 Fan Motor 1501506402 Chassis Sub-assy 0280336702P Drainage Connecter Gas-liquid Separator 07223048 Compressor and Fittings 00105249G 4-Way Valve Assy 03073324 Electric Expansion Valve Sub-Assy Valve Support Sub-Assy 01713098P Cut off Valve...
  • Page 134 Service Manual TW09HQ1B8A/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 135 Service Manual Part Code Description TW09HQ1B8A/O Product Code CB427W03900_L59684 Front Grill 01473012 Front Panel Assy 0153304901 Axial Flow Fan 10333004 Fan Motor 1501308507 Chassis Sub-assy 0120388105P Drainage Connecter 06123401 Compressor Gasket 76710302 Compressor and Fittings 00103862 Electric Expansion Valve Sub-Assy Valve Cover 2012300101 Valve...
  • Page 136 Service Manual TW12HQ1B8A/O The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 137 Service Manual Part Code Description TW12HQ1B8A/O Product Code CB427W03700_L59684 Front Grill 01473012 Front Panel Assy 0153304901 Axial Flow Fan 10333004 Fan Motor 1501308507 Chassis Sub-assy 0120388103P Drainage Connecter 06123401 Compressor Gasket 76710302 Compressor and Fittings 00103862 Electric Expansion Valve Sub-Assy Valve Cover 2012300101 Cut off Valve...
  • Page 138 Service Manual TW09CQ2B8DO The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 139 Service Manual Part Code Description TW09CQ2B8DO Product Code CB419W04200_L91250 Front Grill 01473012 Front Panel Assy 0153304901 Axial Flow Fan 10333004 Fan Motor 1501308507 Chassis Sub-assy 017000000181P Compressor Gasket 76713027 Compressor and Fittings 00103892 Electric Expansion Valve Sub-Assy 07133769 Valve 07100003 Valve 07100005 Valve Support...
  • Page 140 Service Manual TW12CQ2B8DO The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 141 Service Manual Description TW12CQ2B8DO Product Code CB419W04400_L91250 Front Grill 01473012 Front Panel Assy 0153501604 Axial Flow Fan 10333004 Fan Motor 1501308507 Chassis Sub-assy 017000000181P Electrical Heater(Compressor) 76513004 Compressor and Fittings 00103892 Compressor Gasket 76713027 Reactor 43130185 Valve Support 01713041 Valve 07100006 Valve 07100003...
  • Page 142 Service Manual TW09HQ2C2DO The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 143 Service Manual Part Code Description TW09HQ2C2DO Product Code CB419W04300_X18545 Front Grill 01473012 Front Panel Assy 0153304901 Axial Flow Fan 10333004 Electrical Heater (Chassis) 76510004 Chassis Sub-assy 01700000053P Drainage Connecter 06123401 Electrical Heater(Compressor) 76513004 Compressor and Fittings 00103892 Compressor Gasket 76713027 Magnet Coil 4300040047 Valve Support...
  • Page 144 Service Manual TW12HQ2C2DO The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 145 Service Manual Description TW12HQ2C2DO Product Code CB419W04500_X18545 Front Grill 01473012 Front Panel Assy 0153501604 Axial Flow Fan 10333004 Fan Motor 1501308507 Chassis Sub-assy 01700000053P Electrical Heater(Compressor) 76513004 Compressor and Fittings 00103892 Compressor Gasket 76713027 Reactor 43130185 Valve Support 01713041 Valve 07100006 Valve 07100003...
  • Page 146 Service Manual TW18HQ2C2DO The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 147 Service Manual Part Code Description TW18HQ2C2DO Product Code CB419W06700_X18545 Front Grill 016004000006 Front Panel Assy 000003060055 Axial Flow Fan 10335008 Drainage Plug Chassis Sub-assy 01700000161P Drainage Connecter 06123401 Compressor and Fittings 00105249G 4-Way Valve 430004032 4-Way Valve Assy 03073411 Capillary Tube 03015737 Cut off Valve 07130239...
  • Page 148 Service Manual TW24HQ2C2DO The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 149 Service Manual Part Code Description TW24HQ2C2DO Product Code CB419W03600_X18545 Front Grill 016004060005 Brushless DC Motor 15010400000102 Electric Box (Fireproofing) 01413426 Radiator 49015215 Main Board 30138000504 Electric Box Assy 10000100164 Terminal Board Support sub-assy 01703209 Terminal Board 42200006001401 Left Handle Left Side Plate 01305043P Coping 01255020P...

  • Page 150: Removal Procedure

    Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Step Procedure 1. Remove filter assembly Front panel Open the front panel.
  • Page 151 Service Manual Step Procedure 4. Remove electric box cover2 Screw Electric box cover2 Remove the screws on the electric box cover 2 to remove the electric box cover. 5. Remove front case sub-assy Screws Remove the screws fixing front case. Note: 1.Open the screw caps before removing the screws around the air outlet.
  • Page 152 Service Manual Step Procedure 7. Remove electric box assy Screw Loosen the connection clasps between shield cover of electric box sub-assy and Clasps electric box, and then remove the shield cover of electric box sub-assy. Remove the screw fixing electric box assy . Electric box Shield cover of electric box sub-assy...
  • Page 153 Service Manual Step Procedure Instruction: Some wiring terminal of this product is with lock catch and other devices. circlip The pulling method is as below: holder 1.Remove the soft sheath for some terminals at first, hold the circlip and then pull out the terminals.
  • Page 154 Service Manual Step Procedure 9. Remove motor and cross flow blade Remove the screws fixing motor clamp Screws and then remove the motor clamp. Motor clamp Cross flow Remove the screws at the connection Screw Motor place of cross flow blade and motor; lift Holder the motor and cross flow blade upwards sub-assy...

  • Page 155: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the TW09HQ1C8D/O TW09CQ2B8DO refrigerant completely before removal. TW12HQ1C8D/O TW12CQ2B8DO TW09HQ1B8A/O TW09HQ2C2DO TW12HQ1B8A/O TW12HQ2C2DO...
  • Page 156 Service Manual 3.Remove grille and front panel Remove connection screws between the front grille and the front panel. Then remove the front grille. Remove connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel. Grille Panel 4.Remove axial flow blade...
  • Page 157 Service Manual 6.Remove electric box assy Electric box assy Remove the 2 screws fixing the cover of elec- tric box. Lift to remove the cover. Loosen the wire and disconnect the terminal. Lift to re- move the electric box assy. 7.Remove 4-way valve assy Unscrew the fastening nut of the 4-way Valve 4-way Valve Assy...
  • Page 158 Service Manual 9.Remove motor and motor support Motor support Remove the 4 tapping screws fixing the motor. Pull out the lead-out wire and remove the Motor motor. Remove the 2 tapping screws fixing the motor support. Lift motor support to re- move it.
  • Page 159 Service Manual 11.Remove Compressor Remove the 2 screws fixing the gas valve. Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve. (Note: it is necessary to warp the gas valve when unsoldering the welding spot.) Remove the 2 Liquid valve screws fixing liquid valve.
  • Page 160 Service Manual TW18HQ2C2DO TW18HQ1C8D/O TW24HQ1C8D/O Steps Procedure 1. Remove big handle,valve cover and top cover big handle Remove the screw connecting the big handle and right side plate, and then remove the big handle. Remove the screw connecting the valve cover and right side plate, and then remove the valve cover.
  • Page 161 Service Manual Steps Procedure Remove the screws connecting the outer case with motor support, isolation plate and chassis; lift the outer case upwards; loosen the clasps of outer case with right side plate and left side plate, and then remove the outer case. outer case 3.
  • Page 162 Service Manual Steps Procedure 4. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the blade. axial flow fan motor support Remove the 6 screws fixing the motor and then remove the motor. Remove the 2 screws connecting the motor support and chassis, and then loosen the stopper to remove the motor support.
  • Page 163 Service Manual Steps Procedure 6. Remove the soundproof sponge Tear off the sticking stripe and then remove the soundproof sponge. soundproof sponge 7. Remove isolation plate Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting the isolation plate and chassis, and then remove the isolation plate.
  • Page 164 Service Manual Steps Procedure 9. Remove compressor compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion. Note: Keep the ports of discharge pipe and suction pipe from foreign objects. condenser sub-assy 10.
  • Page 165 Service Manual TW24HQ2C2DO Steps Procedure 1. Remove big handle,valve cover and top cover Remove the screw connecting the big handle and right side plate, and then remove the big handle. Remove the screw connecting the valve cover and right side plate, and then remove the valve cover. handle valve cover 2.Remove top panel...
  • Page 166 Service Manual Steps Procedure 4.Remove grille and panel Twist off the screws connecting the grille and panel, and then remove the grille. Twist off the screws connecting the panel, chassis and motor support with screwd-river, and then remove the panel. grille panel 5.Remove right side plate...
  • Page 167 Service Manual Steps Procedure 7.Remove electric box electric box Twist off the screws on electric box, cut off the tieline with scissors or pliers, pull out the wiring terminal, pull it upwards to remove the electric box. Twist off the screws on electric box (fireproofing) electric box with screwdriver, and then remove the electric (fireproofing)
  • Page 168 Service Manual Steps Procedure 9.Remove motor support Twist off the tapping screws fixingthe motor support, pull it upwardsand then remove the motor support. motor support 10.Remove isolation sheet Twist off the screws connecting isolation sheet and end plate of condenser and chassis, and then remove the isolation sheet.
  • Page 169 Service Manual Steps Procedure 12.Remove gas valve and liquid valve Twist off the 2 bolts fixing the valve sub-assy. Unsolder the soldering joint between gas valve and air-return pipe and then remove the gas valve.(note: when unsoldering the soldering joint, wrap the gas valve with wet cloth completely to gas valve avoid the damage to valve, and release all...
  • Page 170 Service Manual Steps Procedure 15.Remove left side plate Twist off the screws connecting the left side plate and chassis with screwdriver, and then remove the left side plate. left side plate 16.Remove chassis and condenser Pull it upwards to separate the chassis and condenser.

  • Page 171: Appendix

    Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius （℃） Celsius （℃） Celsius （℃） temperature temperature temperature （℉）...

  • Page 172: Appendix 3: Pipe Expanding Method

    Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...

  • Page 173: Appendix 4: List Of Resistance For Temperature Sensor

    Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor(15K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -2.2 138.1 18.75 138.2 3.848 208.4 1.071 -0.4 128.6 69.8 17.93 3.711 210.2 1.039 121.6...
  • Page 174 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -2.2 181.4 25.01 138.2 5.13 208.4 1.427 -0.4 171.4 69.8 23.9 4.948 210.2 1.386 162.1 71.6 22.85 141.8 4.773 1.346 153.3 73.4...
  • Page 175 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -20.2 853.5 120.2 18.34 190.4 4.754 -18.4 799.8 51.8 93.42 17.65 192.2 4.609 -16.6 53.6 89.07 123.8 16.99 4.469 -14.8 703.8 55.4 84.95 125.6 16.36...
  • Page 176 JF00304060 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add: Unit 2612,26/F.,Miramar Tower 132 Nathan Road,TST,Kowloon,HK Tel: (852) 31658898 Fax: (852) 31651029 For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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