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Summary of Contents for Gree GWH07PA-K3NNA1A
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Page 1: Service Manual
Change for Life Service Manual GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI... - Page 5 Installing, starting up, and servicing air conditioner can be Make sure the outdoor unit is installed on a stable, level hazardous due to system pressure, electrical components, surface with no accumulation of snow, leaves, or trash and equipment location, etc. beside.
- Page 12 Condition Condition Indoor:DB27 WB19 Indoor:DB20 Indoor air flow: Super High Indoor air flow: Pipe length:4m or 5m Super High Pipe length:4m or 5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 -15 -13 -11 -9 -7 -5 -3 -1 1 3 5 7 9 11 Outdoor temp.( ) Outdoor temp.( )
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Page 15: Indoor Unit
INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER (EVAPORATOR) COOLING HEATING... - Page 16 Symbol Color symbol Symbol Color s ymbol ORANGE BROWN VIOLET BLUE WHITE BLACK YELLOW Symbol Parts name COMP COMPRESSOR PROTECTIVE YEGN YELLOW GREEN EARTH...
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Page 20: Sleep Button
Names and Functions of Wireless Remote Control Note: Be sure that there are no obstructions between receiver and remote controller ;Don't drop or throw the remote control; Don't let any liquid in the remote control and put the remote control directly under the sunlight or any place where is very hot. SLEEP Signal transmitter SLEEP button... -
Page 21: Turbo Button
Notice: This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model dosen't have, if press the corresponding button on the remote controller that the unit will keep the original running status. + button For presetting temperature increasing. -
Page 22: Timer Off
Notice: This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model dosen't have, if press the corresponding button on the remote controller that the unit will keep the original running status. TIMER ON TIMER ON BUTTON Timer On setting: Signal “ON”... - Page 23 Guide for Operation - Optional Operation 1. Press SLEEP button, to set sleep. 2. Press TIMER ON and TIMER OFF button, can set the scheduled timer on 3. Press LIGHT button, to control the on and off of the displaying part of the unit (This function may be not available for some units).
- Page 24 1Temperature Parameters Indoor preset temperature (Tpreset) Indoor ambient temperature (Tamb.) 2 Basic functions (The temperature in this manual is expressed by Centigrade. If Fahrenheit is used, the switchover between them is Tf=TcX1.8+32.) Once the compressor is energized, there should be a minimum interval of 3 minutes between two start-ups. But if the unit is de-energized and then energized, the compressor can restart within 3 minutes.
- Page 25 2.2 Dry Mode 2.2.1 Dry Conditions and Process When Tamb. Tpreset+2 , the unit starts drying and cooling operation. In this case, the compressor and the outdoor fan operate; the indoor fan operates at low speed. When Tpreset-2 ≤Tamb. ≤Tpreset+2 , the unit will start drying operation. In this case, the indoor fan operates at low speed; the compressor and the outdoor fan operate for 6 minutes and stop for 4 minutes in cycle.
- Page 26 2.3.2 Defrosting Conditions and Process With intelligent defrosting function, the unit defrosts automatically according to the actual condition. The indoor unit displays “H1”. 2.3.3 Protection Functions Overheating Prevention Protection If the evaporator tube temperature overheats, the outdoor fan stops operation. When the tube temperature returns to normal, the outdoor fan resumes operation.
- Page 27 3.3 Buzzer Upon energization or availably operating the unit or remote controller, the buzzer will give out a beep. 3.4 Sleep Function In SLEEP mode, the unit will automatically select appropriate sleep curve to operate according to different temperature setting. 3.5 Turbo Function This function can be set in cooling or heating mode to quickly cool or heat the room.
- Page 28 wh en sw itching to room temperature display from set temperature or outdoor temperature by the remote controller , room temperature wi ll be displayed for 5 seconds firstl y and then set temperature display returns. 3.10 Locked protection to PG motor If the indoor fan motor keep s lo w ro tation speed for a continuous period of time af ter st artup, the unit will stop operation an d display “H6”.
- Page 31 Space to the ceiling 15cm Above Space to the wall 15cm Above 15cm Above Space to the wall 300cm Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper ● installation of the unit include the minimum permissible distances to adjacent parts.
- Page 32 Wall Wall Wall Wall Mark on the middle of it Gradienter Mark on the middle of it Gradienter Space Space Space Space to the to the to the to the wall wall wall wall above above above above Right Right Left Left Ф55...
- Page 33 External connection Gas side pipe electric wire Liquid side piping Tailing 2 Gas side piping Tailing 1 Liquid side insulation Piping insulation Fig.3 Finally wrap it Water drainage pipe with tape Left Right Left rear Fig.4 Right rear Fixing hook Mounting plate Mounting...
- Page 34 Liquid pipe Vacuum Gas pipe gauge Valve Vacuum pump Drain-water hole Bottom frame Drain connecter Hose (available commercially, inner dia. 16mm) Items to be checked Possible malfunction Has it been fixed firmly? The unit may drop, shake or emit noise. It may cause insufficient cooling(heating) Have you done the refrigerant leakage test? capacity...
- Page 35 Fig. a Fig. b Air filter Healthy filter Fig. c...
- Page 39 37 38...
- Page 48 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 49 Possible causes: 1. Fan motor is locked; 2. The.feedback.terminal of PG motor is not connected tightly; 3. The control terminal of PG motor is not connected tightly; 4. Motor is damaged; 5. Malfunction of the rotation speed detection circuit of the mainboard. See the chart below: “H6”is...
- Page 50 Possible causes: 1. There is no jumper cap on the controller; 2. Jumper cap is not inserted properly and tightly; 3. Jumper cap is damaged; 4. Controller is damaged. See the chart below: C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap .