Gree GWH12AAB-K3NNA1A Service Manual
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Gree GWH12AAB-K3NNA1A Service Manual

Refrigerant r410a
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Change for life
Service Manual
Models: GWH07AAA-K3NNA1A
GWH07AAA-K3NNA2A
GWH07AAA-K3NNA3A
GWH07AAA-K3NNA4A
GWH09AAB-K3NNA3A
GWH09AAB-K3NNA4A
GWH09AAB-K3NNA1A
GWH09AAB-K3NNA2A
GWH09AAA-K3NNA2A
GWH09AAA-K3NNA1A
GWH09AAA-K3NNA3A
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
GWH12AAB-K3NNA2A
GWH12AAB-K3NNA1A
GWH12AAB-K3NNA3A
GWH09AAB-K3NNA5A
GWH07AAA-K3NNA5A
GWH09AAA-K3NNA4A
GWH12AAB-K3NNA4A
GWH12AAB-K3NNA5A
(Refrigerant R410A)

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Summary of Contents for Gree GWH12AAB-K3NNA1A

  • Page 1 Change for life Service Manual Models: GWH07AAA-K3NNA1A GWH12AAB-K3NNA2A GWH07AAA-K3NNA2A GWH12AAB-K3NNA1A GWH07AAA-K3NNA3A GWH12AAB-K3NNA3A GWH07AAA-K3NNA4A GWH09AAB-K3NNA5A GWH09AAB-K3NNA3A GWH07AAA-K3NNA5A GWH09AAB-K3NNA4A GWH09AAA-K3NNA4A GWH09AAB-K3NNA1A GWH12AAB-K3NNA4A GWH09AAB-K3NNA2A GWH12AAB-K3NNA5A GWH09AAA-K3NNA2A (Refrigerant R410A) GWH09AAA-K3NNA1A GWH09AAA-K3NNA3A GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
  • Page 2 Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................3 2.1 Specification Sheet ......................3 2.2 Capacity Curve in Different Outdoor Temperature ............11 2.3 Cooling and Heating Data Sheet in Rated Frequency ........... 11 3.
  • Page 3 Service Manual 9. Maintenance ......................41 9.1 Error code ........................41 9.2 Procedure of Troubleshooting ..................43 9.3 Maintenance method for normal malfunction ..............48 10. Exploded View and Parts List ..............50 10.1 Indoor Unit ........................50 10.2 Outdoor Unit .........................60 11. Removal Procedure ..................64 11.1 Removal Procedure of Indoor Unit ................64 11.2 Removal Procedure of Outdoor Unit ................69 Appendix:...
  • Page 4 Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: GWH07AAA-K3NNA1A/I GWH09AAA-K3NNA1A/I GWH07AAA-K3NNA2A/I GWH09AAB-K3NNA2A/I GWH09AAB-K3NNA1A/I GWH12AAB-K3NNA2A/I GWH09AAA-K3NNA2A/I GWH07AAA-K3NNA4A/I GWH09AAA-K3NNA4A/I GWH07AAA-K3NNA3A/I GWH09AAB-K3NNA3A/I GWH09AAA-K3NNA3A/I GWH12AAB-K3NNA3A/I GWH09AAB-K3NNA4A/I GWH12AAB-K3NNA4A/I GWH09AAB-K3NNA5A/I GWH07AAA-K3NNA5A/I GWH12AAB-K3NNA5A/I Outdoor Unit: GWH07AAA-K3NNA1A/O GWH09AAB-K3NNA1A/O GWH12AAB-K3NNA2A/O GWH09AAA-K3NNA1A/O YAW1F YAW1F1 Remote Controller: Technical Information...
  • Page 5 CA115014401 GWH09AAA-K3NNA1A/I CA115N14401 18 GWH09AAA-K3NNA3A CA478000700 GWH09AAA-K3NNA3A/I CA478N00700 19 GWH09AAA-K3NNA4A CA479002200 GWH09AAA-K3NNA4A/I CA479N02200 CA115014100 GWH12AAB-K3NNA2A/I CA115N14100 GWH12AAB-K3NNA2A CA115014101 GWH12AAB-K3NNA2A/I CA115N14101 CA476003000 GWH12AAB-K3NNA1A/I CA476N03000 GWH12AAB-K3NNA1A CA476003001 GWH12AAB-K3NNA1A/I CA476N03001 GWH12AAB-K3NNA2A/O CA115W14100 YAW1F 24 GWH12AAB-K3NNA3A CA478000600 GWH12AAB-K3NNA3A/I CA478N00600 25 GWH12AAB-K3NNA4A CA479002300 GWH12AAB-K3NNA4A/I CA479N02300...
  • Page 6 Service Manual 2. Specifications 2.1 Specification Sheet 1.GWH09AAA-K3NNA2A 1.GWH12AAB-K3NNA2A 2.GWH12AAB-K3NNA1A Model 2.GWH09AAA-K3NNA1A 3.GWH12AAB-K3NNA3A 4.GWH12AAB-K3NNA4A 3.GWH09AAA-K3NNA3A 5.GWH12AAB-K3NNA5A 1.CA115016500/ 1.CA115014100/CA115014101 CA115016501 2.CA476003000/CA476003001 Product Code 2.CA115014400/ 3.CA478000600 4.CA479002300 CA115014401 5.CA488001900/CA488001901 3.CA478000700 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode...
  • Page 7 Service Manual Model of Outdoor Unit GWH09AAA-K3NNA1A/O GWH12AAB-K3NNA2A/O Product Code of Outdoor Unit CA115W14400 CA115W14100 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer/Trademark COMPRESSOR CO.,LTD COMPRESSOR CO., LTD Compressor Model QXA-M094T130 QXA-B120C150A Compressor Oil RB68EP or equivalent RB68EP Compressor Type Rotary Rotary L.R.A.
  • Page 8 Service Manual 1.GWH09AAB-K3NNA1A 1.GWH07AAA-K3NNA1A 2.GWH09AAB-K3NNA2A 2.GWH07AAA-K3NNA2A Model 3.GWH07AAA-K3NNA3A 3.GWH09AAB-K3NNA3A 4.GWH07AAA-K3NNA4A 4.GWH09AAB-K3NNA4A 1.CA115013700 1.CA115013600/CA115013601 2.CA115013900 2.CA115014000/CA115014001 Product Code 3.CA478000301/CA478000300 3.CA478000500 4.CA479000200 4.CA479001600 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Indoor Cooling Capacity 2200 2638 Heating Capacity 2300 2755 Cooling Power Input...
  • Page 9 Service Manual Model of Outdoor Unit GWH07AAA-K3NNA1A/O GWH09AAB-K3NNA1A/O Product Code of Outdoor Unit CA115W13600 CA115W13700 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer/Trademark COMPRESSOR CO.,LTD COMPRESSOR CO.,LTD Compressor Model QXA-A081A130A QXA-B102C130 Compressor Oil RB68EP/FVC68D/FV50S RB68EP/FV50S Compressor Type Rotary Rotary L.R.A. Compressor RLA 3.25 Compressor Power Input Overload Protector...
  • Page 10 Service Manual Model GWH09AAA-K3NNA4A GWH09AAB-K3NNA5A Product Code CA479002200 CA488000200 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Indoor Cooling Capacity 2550 2638 Heating Capacity 2650 2755 Cooling Power Input Heating Power Input Cooling Power Current Heating Power Current Rated Input 1120...
  • Page 11 Service Manual Model of Outdoor Unit GWH09AAA-K3NNA1A/O GWH09AAB-K3NNA1A/O Product Code of Outdoor Unit CA115W14400 CA115W13700 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer/Trademark COMPRESSOR CO.,LTD COMPRESSOR CO.,LTD Compressor Model QXA-M094T130 QXA-B102C130 Compressor Oil RB68EP or equivalent RB68EP/FV50S Compressor Type Rotary Rotary L.R.A. Compressor RLA Compressor Power Input 772.7...
  • Page 12 Service Manual Model GWH07AAA-K3NNA5A Product Code CA488000100 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity 2200 Heating Capacity 2300 Cooling Power Input Heating Power Input Cooling Power Current Heating Power Current Rated Input 1050 Rated Current Air Flow Volume(SH/H/M/L/SL) 470/420/370/250/-...
  • Page 13 Service Manual Model of Outdoor Unit GWH07AAA-K3NNA1A/O Product Code of Outdoor Unit CA115W13600 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXA-A081A130A Compressor Oil RB68EP/FVC68D/FV50S Compressor Type Rotary L.R.A. Compressor RLA 3.25 Compressor Power Input Overload Protector UP3-MC0（L） Throttling Method Capillary Operation Temp 16~30...
  • Page 14 Service Manual 2.2 Capacity Curve in Different Outdoor Temperature Cooling Heating Condition Condition Heating °C °C Indoor:DB27 WB19 Indoor:DB20 °C Indoor air flow: Super High Indoor air flow: Super High Pipe length:5m Pipe length:5m -7 -5 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Outdoor temp.( ) Outdoor temp.( ) °C...
  • Page 15 Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Φ55 Φ55 Unit:mm Models 07/09K(AAA) 09/12K(AAB) Technical Information...
  • Page 16 Service Manual 3.2 Outdoor Unit 07/09K Unit:mm Unit: mm Technical Information...
  • Page 17 side Valve Capillary Strainer Service Manual 4. Refrigerant System Diagram COOLING Cooling and heating model Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary...
  • Page 18 Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Indoor Unit GWH09AAA-K3NNA2A/I GWH09AAB-K3NNA2A/I GWH07AAA-K3NNA1A/I GWH07AAA-K3NNA2A/I GWH09AAB-K3NNA1A/I GWH07AAA-K3NNA3A/I(CA478N00301) GWH09AAA-K3NNA1A/I(CA115N14401) GWH12AAB-K3NNA1A/I GWH09AAA-K3NNA3A/I GWH12AAB-K3NNA2A/I(CA115N14101) GWH12AAB-K3NNA3A/I(CA478N00600) GWH12AAB-K3NNA5A/I(CA488N01901) 6363220101 Technical Information...
  • Page 19 Service Manual GWH12AAB-K3NNA2A/I(CA115N14100) GWH09AAA-K3NNA1A/I GWH07AAA-K3NNA3A/I(CA478N00300) GWH07AAA-K3NNA4A/I GWH09AAB-K3NNA3A/I GWH09AAB-K3NNA4A/I GWH12AAB-K3NNA1A/I(CA476N03001) GWH09AAA-K3NNA2A/I(CA115N16501) GWH07AAA-K3NNA1A/I(CA115N13601) GWH07AAA-K3NNA2A/I(CA115N14001) GWH09AAB-K3NNA5A/I GWH07AAA-K3NNA5A/I GWH09AAA-K3NNA4A/I GWH12AAB-K3NNA4A/I GWH12AAB-K3NNA5A/I(CA488N01900) 63632201 Technical Information...
  • Page 20 Service Manual ● Outdoor Unit 07/09K 61413350 6363361501 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
  • Page 21 Service Manual 5.2 PCB Printed Diagram ● Top view Name Wiring terminal of compressor Terminal of live wire Fuse Fan capacitor Neutral wire terminal of cold plasma Terminal of neutral wire Wiring terminal of PG motor Live wire terminal for cold plasma Wiring terminal of outdoor fan (heat pump unit) Wiring terminal of 4-way valve...
  • Page 22 Service Manual 6. Function and Control 6.1 Remote Controller Introduction of YAW1F Buttons on Remote Controller On/Off button Mode button Fan button ▲/ button Swing button Sleep button Temp button Turbo button I Feel button Timer button X-Fan button Light button Icon Display on Remote Controller Temp.
  • Page 23 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 Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *, as the following: * Note: Only for models with heating function.
  • Page 24 Service Manual TEMP button Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit’s display. The setting on remote controller is selected circularly as below: no display TURBO button Press this button to activate / deactivate the Turbo function. 9.
  • Page 25 Service Manual WIFI Function Press this button to turn on the unit. Press this button again to turn off the unit. Press "MODE" and "TURBO" button simultaneously to turn on or turn off WIFI function. When WIFI function is turned on, the " "...
  • Page 26 Service Manual 6.2 Remote Controller Introduction of YAW1F1 Buttons on Remote Controller On/Off button Mode button Fan button ▲/ button Swing button Sleep button Temp button Turbo button button Timer button X-Fan button Light button Icon Display on Remote Controller Temp.
  • Page 27 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 Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *, as the following: * Note: Only for models with heating function.
  • Page 28 Service Manual TEMP button Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit’s display. The setting on remote controller is selected circularly as below: no display TURBO button Press this button to activate / deactivate the Turbo function. button Press this button to achieve the on and off of healthy and scavenging functions in operation status.Press this button for the firsst time to start scavenging function;...
  • Page 29 Service Manual 6.3 Brief Description of Modes and Functions Display Receiver Operation icon Cooling icon window Dual-8 nixie Heating icon Drying icon tube display (Display content or position may be different from above graphics, please refer to actual products) Start cooling Tamb.
  • Page 30 Service Manual Freeze protection period 3 min Compressor Outdoor fan motor Indoor fan motor Set fan speed amb. Cooling preset Drying preset- Stop 6 min 6min. 4min. 4min. Compressor Outdoor fan motor Indoor fan motor Low speed Technical Information...
  • Page 31 Service Manual Stop heating preset Original operating status preset Start heating min. Compressor Outdoor unit Intdoor unit Set fan speed Set fan speed min. min. Reversing valve or 56℃ Technical Information...
  • Page 32 Service Manual Emergency Press OFF status ON status(Auto mode) operation switch Press O(0°) Technical Information...
  • Page 33 Service Manual Indoor ambient temperature sensor is open/short-circuited Indoor evaporator temperature sensor is open/short-circuited Blocked protection of IDU fan motor Malfunction protection of jumper cap Zero-crossing inspection circuit malfunction of the IDU fan motor Lack of refrigerant or block protection for the system(not applicable to residential air conditioner) Overload malfunction No display for some models...
  • Page 34 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 35 Service Manual To ensure safety, please be mindful of the following precautions. ●When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
  • Page 36 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 37 Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe Installation and Maintenance...
  • Page 38 Service Manual Installation procedures 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 39 Service Manual 8.2 Installation Parts-Checking 8.4 Requirements for electric connection 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 40 Service Manual (3) Fix the wall-mounting frame on the wall with tapping screws 5. Connect the Pipe of Indoor Unit (ST4.2X25TA) and then check if the frame is firmly installed by (1) Aim the pipe joint at the corresponding bellmouth.(As show pulling the frame.
  • Page 41 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 for installation when binding them.
  • Page 42 Service Manual 8.6 Installation of Outdoor unit Refer to the following table for wrench moment of force: Tightening torque(N . m) 1. Fix the Support of Outdoor Unit(Select it according to Hex nut diameter(mm) the actual installation situation) Φ6 15~20 Φ9.52 30~40 (1) Select installation location according to the house structure.
  • Page 43 Service Manual (3) The water outlet cant be placed in water in order to drain 8.8 Check after Installation and Test smoothly.(As show in Fig.27) operation 1. Check after Installation Check according to the following requirement after finishing installation. The drain hose can't be fluctuant Items to be checked Possible malfunction Has the unit been...
  • Page 44 Service Manual 9. Maintenance 9.1 Error code Display Method Possible Causes(For specific maintenance Malfunction of Indoor Unit A/C Status method, please refer to the following procedure of Name troubleshooting) (Error Code) 1.The wiring terminal between indoor ambient temperature The unit will stop operation as it sensor and main board is loosened or poorly contacted;...
  • Page 45 Service Manual Zero-crossing 1.Quick de-energization and energization. Wrong inspection judgement by the controller because the electric- circuit Operation of remote controller or control discharging of capacitor is slow. malfunction panel is available, but the unit won’t act. 2.Zero-crossing inspection circuit of main board for of the IDU fan controller is abnormal.
  • Page 46 Service Manual 9.2 Procedure of Troubleshooting 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 47 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 48 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 49 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 50 Service Manual 5. High Temperature and Overload Protection (AP1 below means control board of outdoor unit) E8 Start Normal protection, please use it Unit restarts If the outdoor ambient temperature is after improving the outdoor ambient normally higher than 53°C? temperature Improve the radiating environment of Unit restarts...
  • Page 51 Service Manual 9.3 Maintenance method for normal malfunction 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery.
  • Page 52 Service Manual 4. ODU Fan Motor Cant 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 53 Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 54 Service Manual Part Code Description GWH07AAA-K3NNA1A/I GWH07AAA-K3NNA2A/I GWH09AAB-K3NNA1A/I Product Code CA115N13600 CA115N14000 CA115N13700 Front Panel 200003000019 000003000053 200003000020 Display Board 300001000037 300001000037 300001000037 Front Case 200002000006 200002000006 200002000007 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000001 200006000001 200006000002 Left Axile Bush 10512037 10512037 10512037...
  • Page 55 Service Manual Part Code Description GWH09AAB-K3NNA2A/I GWH09AAA-K3NNA1A/I GWH09AAA-K3NNA2A/I Product Code CA115N13900 CA115N14400 CA115N16500 Front Panel 000003000067 200003000019T 00000300005301 Display Board 300001000037 300001000037 300001000037 Front Case 200002000007 200002000006 20000200000601 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000001 200006000001 Left Axile Bush 10512037 10512037 10512037...
  • Page 56 Service Manual Part Code Description GWH12AAB-K3NNA2A/I GWH12AAB-K3NNA1A/I GWH12AAB-K3NNA2A/I Product Code CA115N14100 CA476N03000 CA115N14101 Front Panel 000003000067 20000300002001T 20000300005901T Display Board 300001000037 300001000037 300001000037 Front Case 200002000007 20000200000701 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000002 200006000002 Left Axile Bush...
  • Page 57 Service Manual Part Code Description GWH09AAA-K3NNA3A/I GWH09AAA-K3NNA1A/I GWH07AAA-K3NNA3A/I Product Code CA478N00700 CA115N14401 CA478N00301 Front Panel 000003000125 20000300001901T 000003000125 Display Board 300001000041 300001000037 300001000041 Front Case 20000200000601 20000200000601 20000200000601 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000001 200006000001 200006000001 Left Axile Bush 10512037 10512037 10512037...
  • Page 58 Service Manual Part Code Description GWH07AAA-K3NNA4A/I GWH07AAA-K3NNA3A/I GWH09AAB-K3NNA3A/I Product Code CA479N00200 CA478N00300 CA478N00500 Front Panel 000003000148 000003000125 000003000147 Display Board 300001000041 300001000041 300001000041 Front Case 20000200000601 20000200000601 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000001 200006000001 200006000002 Left Axile Bush 10512037 10512037 10512037...
  • Page 59 Service Manual Part Code Description GWH09AAB-K3NNA4A/I GWH12AAB-K3NNA3A/I GWH12AAB-K3NNA1A/I Product Code CA479N01600 CA478N00600 CA476N03001 Front Panel 000003000113 000003000147 20000300002001T Display Board 300001000041 300001000041 300001000037 Front Case 20000200000701 20000200000701 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000002 200006000002 Left Axile Bush...
  • Page 60 Service Manual Part Code Description GWH07AAA-K3NNA1A/I GWH09AAA-K3NNA2A/I GWH07AAA-K3NNA2A/I Product Code CA115N13601 CA115N16501 CA115N14001 Front Panel 20000300001901T 20000300006001T 20000300006001T Display Board 300001000037 300001000037 300001000037 Front Case 20000200000601 20000200000601 20000200000601 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000001 200006000001 200006000001 Left Axile Bush 10512037 10512037 10512037...
  • Page 61 Service Manual Part Code Description GWH09AAB-K3NNA5A/I GWH07AAA-K3NNA5A/I GWH09AAA-K3NNA4A/I Product Code CA488N00200 CA488N00100 CA479N02200 Front Panel 200003000117T01 200003000116T01 000003000148 Display Board 300001000041 300001000041 300001000041 Front Case 20000200000701 20000200000601 20000200000601 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000001 200006000001 Left Axile Bush 10512037 10512037 10512037...
  • Page 62 Service Manual Part Code Description GWH12AAB-K3NNA4A/I GWH12AAB-K3NNA5A/I Product Code CA479N02300 CA488N01900 CA488N01901 Front Panel 000003000113 200003000117T01 200003000117T01 Display Board 300001000041 300001000041 300001000041 Front Case 20000200000701 20000200000701 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000002 200006000002 Left Axile Bush 10512037 10512037 10512037...
  • Page 63 Service Manual 10.2 Outdoor Unit 07/09K The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 64 Service Manual Part Code Description GWH07AAA-K3NNA1A/O GWH09AAB-K3NNA1A/O GWH09AAA-K3NNA1A/O Product Code CA115W13600 CA115W13700 CA115W14400 Front Grill 22263002 22263002 22263002 Cabinet 01533255P 01533255P 01533255P Fan Motor 1501315604 1501315604 1501315604 Chassis Sub-assy 017000000107 0280312302P 017000000112P Drainage Connecter 06123401 06123401 06123401 Compressor and Fittings 009001000075 00103400 009001000025...
  • Page 65 Service Manual The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 66 Service Manual Part Code Description GWH12AAB-K3NNA2A/O Product code CA115W14100 Front grill 22413008 Front Panel 01533034P Chassis Sub-assy 017000000168P Drainage Connecter 06123401 Compressor and fittings 009001000024 Magnet Coil 4300040047 4-way Valve Assy 030152000189 4-way Valve 430004022 StrainerA 07210022 Capillary Sub-Assy 030006000259 Valve 07100003 Valve...
  • Page 67 Service Manual 11. Removal Procedure Caution: discharge the refrigerant 11.1 Removal Procedure of Indoor Unit completely before removal. Step Procedure 1. Remove filter Panel Open the panel. Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them.
  • Page 68 Service Manual Step Procedure Panel 3. Remove panel Display Screws Open the front panel; separate the panel rotation shaft from the groove fixing the front panel and then removes the front Front panel panel. Note: The display of some models is fixed on the panel;...
  • Page 69 Service Manual Step Procedure Cold plasma generator 6. Remove electric box assy Screws Loosen the connection clasps between Cold plasma generator and electric box, and then remove the cold plasma generator. Electric box Step motor Clasps Grounding Indoor tube screw temperature sensor Electric box assy ①...
  • Page 70 Service Manual Step Procedure 7. Remove evaporator assy Remove 3 screws fixing evaporator assy. Screws Connection pipe clamp At the back of the unit, Loosen the clasp,connection pipe clamp and then remove the connection pipe clamp. Clasp Groove Rear Case assy First remove the left side of evaporator from Clasp the groove of bottom shell and then remove...
  • Page 71 Service Manual Step Procedure 8. Remove motor and cross flow blade Remove 3 screws fixing motor clamp and then remove the motor clamp. Motor clasp Screws Cross flow Remove the at the connection place of Motor cross flow blade and motor; lift the motor and cross flow blade upwards to remove them.
  • Page 72 Service Manual 11.2 Removal Procedure of Outdoor Unit 07/09K Step Procedure 1. Remove big handle Remove the screw fixing big handle; slide out the big handle upwards to make the Right side plate clasp of big handle separate from the groove of right side plate, and then remove the big handle.
  • Page 73 Service Manual Step Procedure 4. Remove right side plate Protective grille Remove the screws fixing right side plate and then remove the right side plate. Right side plate Cut off the wire binder fixing the protective grille and then remove the protective grille. Screws Screws Screws...
  • Page 74 Service Manual Step Procedure 7. Remove motor Motor Remove the screws fixing motor and then remove the motor. Screws 8. Remove motor support Motor support Remove the screws fixing motor support and then remove the motor support. Screws 9. Remove clapboard and soundproof sponge Clapboard Screws Remove the screws fixing clapboard and...
  • Page 75 Service Manual Step Procedure 10. Remove magnetic coil Magnetic coil Remove one screw on magnetic coil, and then remove the magnetic coil. Screw 11. Remove gas valve and liquid valve Unsolder the spot weld between capillary with valve and condenser; remove two screws fixing the gas valve;...
  • Page 76 Service Manual Step Procedure 13. Remove valve support Screw off the screw fixing the valve support and then remove the valve support. Valve support Screw 14.Remove compressor Compressor Remove 3 foot nuts on compressor, and then remove the compressor. Note: Protect the ports of discharge pipe and suction pipe to avoid foreign objects to enter it.
  • Page 77 Service Manual Steps Procedure 1. Before disassembly 2. Remove big handle Remove the connection screw fixing the big handle big handle and then remove the handle. 3. Remove top panel top panel Remove connection screws connecting the top panel with the front panel and the right side plate, and then remove the top panel.
  • Page 78 Service Manual Steps Procedure 4. Remove front grille Remove connection screws between the front grille and the front panel. Then remove the front grille . front grille 5. Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel.
  • Page 79 Service Manual Steps Procedure 8. Remove motor and motor support motor support Remove the 4 tapping screws fixing the motor and disconnect the leading wire insert of the motor. Then remove the motor. Remove the 2 tapping screws fixing the motor support and lift the motor support to remove it.
  • Page 80 Service Manual Steps Procedure 12. Remove magnet coil magnet coil Remove the screw fixing the magnet coil and then remove the coil. 13. Remove valves and 4-way valve subassembly 4- wa y valv e Unsolder welding joint connecting the capillary, the valve and the outlet pipe of condenser to remove the capillary.
  • Page 81 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 60.8 69/70 69.8 78/79 78.8 62/63...
  • Page 82 Service Manual Appendix 2: 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 83 Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009...
  • Page 84 Service Manual Resistance Table of Tube Temperature Sensors for Outdoor and Indoor (20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2...
  • Page 85 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor (50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08...
  • Page 86 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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