Page 1
Change for Life Service Manual MODEL: GWH(07)AA-K3DNA1B/I (CB115N0680) (CB115N0682) GWH(09)AA-K3DNA1B/I (CB115N0650) (CB115N0651) (CB115N0652) (CB115N0655) (CB115N0656) GWH(12)AB-K3DNA1B/I (CB115N0660) (CB115N0661) (CB115N0662) GWH(18)AC-K3DNA1A/I (CB115N0670) (CB115N0671) (CB115N0672) 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
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 Note: Not available for 14K/18K model discharge silencer C heat exchanger discharge temperature sensor filter D heat exchanger gas -liquid separator filter Note: Not available for 14K/18K model A1:A-unit electronic expansion valve B1:B-unit electronic expansion valve...
Page 9
MOTOR ROOM TUBE TEM.SENSOR TEM.SENSOR TUBE ROOM N(1) COM-OUT JUMP AC-L YEGN DISP1 DISP2 SWING-UD 4YEGN HEALTH-N HEALTH-L EVAPORATOR COOL PLASMA 5YEGN GENERATOR RECEIVER AND SWING DISPLAY BOARD MOTOR ELECTRIC BOX NOTE:The parts with broken line is applicable to the models with COOL PLASMA GENERATOR TUBE ROOM MOTOR...
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
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),...
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.
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 Heating Cooling operation operation operation With compressor capacity supplied With no compressor capacity supplied...
Page 20
Space to the ceiling 15cm Above Space to the wall 15cm Above 15cm 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 wall wall 1 5 0mm 1 5 0mm above above Left Right Φ55mm Φ55mm Fig.1 (Rear piping hole) (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 Left rear Right Fig.4 Right rear Fixing hook Mounting plate Mounting...
Page 23
Fig. a Fig. b Air filter Healthy filter Fig.
Page 46
Start 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 tri-pover of the pa rts? Make the parts upright Malfunction is eliminated.
Page 47
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 48
“H6”is displayed on the unit. Stir the fan blade with a hand when the unit is DE - ENERGIZED . Reinstall the motor Does the and the blade to blade rotate make it rotate unsmoothly? smoothly. Is the malfunction eliminated? Is the feedback Insert the feedback...
Page 49
“U8” is displayed on the unit. Re-energize 1 minute after de-erergization The unit returns to normal. Conclusion: U8 is displayed due to Is“U8” still displayed? instant energization after de- energization while the capacitor discharges slowly. The zero-cross detection circuit of the mainboard is defined abnormal.
Page 50
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 51
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 58
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.
Need help?
Do you have a question about the GWH07AA-K3DNA1B/I and is the answer not in the manual?
Questions and answers