Gree GWH09AB-D3DNA1D/I Service Manual
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Gree GWH09AB-D3DNA1D/I Service Manual

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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Service Manual

MODEL: GWH09AB-D3DNA1D/I
GWH12AB-D3DNA1D/I
GWH18AC-D3DNA1D/I
(Refrigerant R410A)

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Summary of Contents for Gree GWH09AB-D3DNA1D/I

  • Page 1: Service Manual

    Change for Life Service Manual MODEL: GWH09AB-D3DNA1D/I GWH12AB-D3DNA1D/I GWH18AC-D3DNA1D/I (Refrigerant R410A) GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
  • Page 3 FA N MODE I FEEL TIMER CLOC K TIMER X-FA N TEMP TURBO SLEEP LIGH T...

  • Page 6: Super High

    Middle High Super High Indoor Fan Motor Rotating Speed...
  • Page 8 outdoor indoor filter A heat exchanger filter outdoor heat exchanger 4-way valve B heat exchanger filter high pressure switch discharge silencer C heat exchanger discharge temperature sensor filter D heat exchanger gas -liquid separator filter A1:A unit electronic expansion valve B1:B-unit electronic expansion valve C1:C-unit electronic expansion valve D1:D-unit electronic expansion valve A2:A-unit gas pipe temperature sensor B2:B-unit gas pipe temperature sensor C2:C-unit gas pipe temperature sensor D2:D-unit gas pipe temperature sensor...

  • Page 9: Fan Motor

    ROOM TEMP. TUBE TEMP. FAN MOTOR SENSOR SENSOR CONNECTOR MANUAL PANEL TERMINAL BLOCK ROOM TUBE COM-MANUAL N(1) COM-OUT JUMP AC-L AP2 PRINTED CIRCUIT BOARD YEGN(GN) DISP2 SWING-UD2 DISP1 YEGN(GN) DISPLAY EVAPORATOR ELECTRIC BOX RECEIVER AND DISPLAY BOARD SWING MOTOR...
  • Page 10 PG feedback communication between neutral wire and live wire Left&right swing neutral wire Fuse tube temperature sensor ambient teperature sensor...
  • Page 11 fan capacitor PG motor fuse neutral wire ambient temperature sensor wired controller tube temperature sensor...
  • Page 12 ON/OFF Press it to start or stop operation. Press it to decrease temperature setting. Press it to increase temperature setting. Press it to set fan speed. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). I FEEL Press it to set HE ALTH function Press it to set AIR function.

  • Page 13: Digital Display

    MODE icon: If MODE button is pressed, current operation mode icon (AUTO), ( COOL), (DRY), (FAN) or (HEAT only for heat pump models) will show. SLEEP icon : is displayed by pressing the SLEEP button. Press this button again to clear the display. TEMP icon: Pressing TEMP button, (set temperature),...

  • Page 14: Timer Off

    MODE : 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: AUTO COOL HEAT * *Note: Only for models with heating function. After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not be displayed on the LCD, and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable.
  • Page 15 TURBO: Press this button to activate / deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time. In COOL mode, the unit will blow strong cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air at super high fan speed.
  • Page 16 indoor temperature---target temperature target temperature---indoor temperature Cooling Cooling Heating operation operation operation With compressor capacity supplied With no compressor capacity supplied...
  • Page 17 Tset+3℃ Tset+2℃ Tset+1℃ Tset Tset Tset-1℃ Tset-2℃ Tset-3℃...
  • Page 20 Space to the ceiling 5.9 in. Above Space to the wall 5.9 in.Above 5.9 in. Above Space to the wall Above Above Space to the floor Air outlet side...
  • Page 21 Wall Wall Mark on the middle of it Gradienter Space Space to the to the wal l wall 5.9 in. 5.9 in． above above Right Left Φ2.1 in. Φ2.1 in. (Rear piping hole) Fig.1 (Rear piping hole) Indoor Outdoor Wall pipe Seal pad outlet pipe of indoor unit...
  • Page 22 External connection Gas side pipe electric wire Liquid side piping Gas side piping Tailing 2 Liquid side insulation Tailing 1 Piping insulation Finally wrap it Fig.3 Water drainage pipe with tape Left Right Left rear Fig.4 Right rear Fixing hook Mounting plate Mounting...
  • Page 23 Fig. a Fig. b Air filter Healthy filter Fig.
  • Page 30 Star Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to tripover of the pa rts? Make the parts upright Malfunction is eliminated.
  • Page 31 C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap . controller? Is the malfunction eliminated? Re-insert the jumper Is the jumper cap inserted incorrectly or improperly? Is the malfunction eliminated? Replace the jumper Is the malfunction eliminated?
  • Page 32 Start Pull the blade by hand under de-energization status Adjust the motor and Whether the blade assembly to let blade can operate the motor can operate smoothly smoothly Is malfunction eliminated Check whether the Reinsert the wiring wiring terminal between terminal of indoor fan indoor fan and main board is loose...
  • Page 33 “U8” is displayed on the unit. Re-energize 1 minute after de-erergization The unit returns to normal. Is“U8” Conclusion: U8 is displayed due to still displayed? instant energization after de- energization while the capacitor discharges slowly. The zero-cross detection circuit of the mainboard is defined abnormal.
  • Page 34 Communication malfunction of some indoor units De-energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct. Connect wires Is malfunction Is wire connected according to the removed correctly wiring diagram De-energize the unit.
  • Page 35 Communication malfunction of all indoor units De-energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct. Connect wires Is wire connected Is malfunction according to the correctly removed wiring diagram De-energize the unit.

  • Page 36: Appendix 1: Resistance Table Of Ambient Temperature Sensor For Indoor And Outdoor Units(15K)

    Appendix 1: Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp. Resistance kΩ Temp. 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 16.39 3.454 0.98 108.7 15.68 3.333...

  • Page 37: Appendix 2: Resistance Table Of Outdoor And Indoor Tube Temperature Sensors(20K)

    Appendix 2: Resistance Table of Outdoor and Indoor Tube Temperature Sensors(20K) Temp. Resistance kΩ Temp. 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 38: Appendix 3: Resistance Table Of Outdoor Discharge Temperature Sensor(50K)

    Appendix 3: Resistance Table of Outdoor Discharge Temperature Sensor(50K) Resistance Temp. Temp. Resistance kΩ Temp. Resistance kΩ Temp. Resistance kΩ kΩ 853.5 18.34 4.754 799.8 93.42 17.65 4.609 89.07 16.99 4.469 703.8 84.95 16.36 4.334 660.8 81.05 15.75 4.204 620.8 77.35 15.17 4.079...
  • Page 42 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 For continuous improvement in the products, Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations.

This manual is also suitable for:

Gwh12ab-d3dna1d/iGwh18ac-d3dna1d/i

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