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Gree GWH09ACCXB-K6DNA1G/O Service Manual
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Gree GWH09ACCXB-K6DNA1G/O Service Manual

Gree GWH09ACCXB-K6DNA1G/O Service Manual

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Change for life
Service Manual
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GWH09ACCXB-K6DNA1G/O

  • Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
  • Page 2 5.2 PCB Printed Diagram ....................24 6. Function and Control ..........29 6.1 Remote Controller Introduction for YAP1F7(WiFi) ........29 6.2 GREE+ App Operation Manual ................34 6.3 Ewpe Smart App Operation Manual ..............35 6.4 Brief Description of Models and Functions ..........36 Part II : Installation and Maintenance ....
  • Page 3 8.4 Electric Connection Requirement ..............50 8.5 Installation of Indoor Unit ..................51 8.6 Installation of Outdoor Unit ................53 8.7 Vacuum Pumping and Leak Detection ............54 8.8 Check after Installation and Test Operation ..........55 9. Maintenance ..............56 9.1 Error Code List ......................56 9.2 Procedure of Troubleshooting ................61...
  • Page 4 1. Summary Indoor Unit: A1 panel A4 panel (Fabric Texture) A4 panel (Platinum White) Outdoor Unit: GWH09ACCXB-K6DNA1G/O GWH12ATCXB-K6DNA1A/O GWH12AWCXD-K6DNA1D/O GWH18ATDXD-K6DNA1A/O GWH18AWDXE-K6DNA4A/O GWH24AVEXF-K6DNA1A/O Remote Controller: YAP1F7(WiFi) ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK...
  • Page 5 Outdoor product Remote Model Product code Indoor model Outdoor model code code Controller CB603010800 CB497W26500 GWH09AWCXB-K6DNA1G GWH09AWCXB-K6DNA1G/I CB603N10800 CB603010801 GWH09ACCXB-K6DNA1G/O CB497W26501 CB622003601 CB622N03600 GWH09AWCXB-K6DNA4G GWH09AWCXB-K6DNA4G/I CB622003602 CB622N03602 CB497W26500 5 GWH12AWCXB-K6DNA4A CB622003400 GWH12AWCXB-K6DNA4A/I CB622N03400 GWH12ATCXB-K6DNA1A/O CB574W00700 CB603010700 CB603W10700 GWH12AWCXD-K6DNA1D GWH12AWCXD-K6DNA1D/I CB603N10700...
  • Page 6 2. Specifications 2.1 Specification Sheet GWH09AWCXB-K6DNA1G Model GWH09AWCXB-K6DNA4G CB603010800 CB603010801 Product Code CB622003602 CB622003601 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 2700 Heating Capacity 3000 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1400...
  • Page 7 Outdoor Unit Model GWH09ACCXB-K6DNA1G/O Outdoor Unit Product Code CB497W26500 CB497W26501 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXF-N082zC170 Compressor Oil RB68GX or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector Throttling Method...
  • Page 8 Model GWH12AWCXB-K6DNA4A Product Code CB622003400 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 3510 Heating Capacity 3810 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1800 Rated Cooling Current Rated Heating Current Air Flow Volume 650/580/530/440/380/330/310...
  • Page 9 Outdoor Unit Model GWH12ATCXB-K6DNA1A/O Outdoor Unit Product Code CB574W00700 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model FTz-AN108ACBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 4.40 Compressor Power Input Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 10 GWH12AWCXD-K6DNA1D Model GWH12AWCXD-K6DNA4D CB603010700 CB603010701 Product Code CB622003702 CB622003701 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 3500 Heating Capacity 3800 Cooling Power Input Heating Power Input Cooling Current Input 4.35 Heating Current Input 4.67 Rated Input 1750...
  • Page 11 Outdoor Unit Model GWH12AWCXD-K6DNA1D/O Outdoor Unit Product Code CB603W10700 CB603W10701 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXF-M098zE170 Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 856.6 Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range ºC 16~30...
  • Page 12 Model GWH18AWDXD-K6DNA4A Product Code CB622003300 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 5300 Heating Capacity 5600 Cooling Power Input 1501 Heating Power Input 1393 Cooling Current Input Heating Current Input Rated Input 2350 Rated Cooling Current 10.0 Rated Heating Current...
  • Page 13 Outdoor Unit Model GWH18ATDXD-K6DNA1A/O Outdoor Unit Product Code CB574W02700 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXF-A120zH170A Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. 18.00 Compressor RLA 5.00 Compressor Power Input 1096 Compressor Overload Protector HPC115/95U1/KSD115°C Throttling Method Electron expansion valve...
  • Page 14 Model GWH18AWDXE-K6DNA4A Product Code CB622003200 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 5100 Heating Capacity 5600 Cooling Power Input 1417 Heating Power Input 1365 Cooling Current Input Heating Current Input Rated Input 2300 Rated Cooling Current 11.5 Rated Heating Current...
  • Page 15 Outdoor Unit Model GWH18AWDXE-K6DNA4A/O Outdoor Unit Product Code CB622W03200 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXF-M130zF170 Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 5.36 Compressor Power Input 1196 Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range ºC...
  • Page 16 Model GWH24AWEXF-K6DNA4A Product Code CB622003100/CB622003102 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 7100 Heating Capacity 7800 Cooling Power Input 1868 Heating Power Input 1902 Cooling Current Input Heating Current Input Rated Input Cooling: 2800 / Heating: 3700 Rated Cooling Current 12.3 Rated Heating Current...
  • Page 17 Outdoor Unit Model GWH24AVEXF-K6DNA1A/O Outdoor Unit Product Code CB601W00200 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD. Compressor Model QXFS-A150zX170S Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. 35.00 Compressor RLA 11.35 Compressor Power Input 1330 Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range...
  • Page 18 2.2 Capacity Variation Ratio According to Temperature Heating operation ambient temperature range is -25ºC~30ºC Cooling Heating 18K,24K 09K,12K 09K,12K 18K,24K Conditions Condition Indoor:DB20°C Indoor:DB27°C WB19°C Indoor air flow:High Indoor air flow:Super High Pipe length:5m Pipe length:5m -25 -20 -15 -10 -7 -5 0 -15 -10 -5 5 10 15 20 25 30 35 40 45 50 7 10 15 20 25 30...
  • Page 19 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling condition(°C) Pressure of gas pipe connecting Inlet and outlet pipe temperature (DB/WB) indoor and outdoor unit of heat exchanger Fan speed of Fan speed of Model indoor unit outdoor unit Indoor Outdoor...
  • Page 20 3. Outline Dimension Diagram 3.1 Indoor Unit (2 3/4) (2 61/64) Unit: mm(inch) (2 3/4) (2 61/64) (6 17/64) (7 3/4) (6 17/64) (7 3/4) (6 13/16) (5 7/16) (6 13/16) (5 7/16) (9 29/64) (8 7/64) Unit: mm Model 561.5 207.5 1116...
  • Page 21 3.2 Outdoor Unit GWH09ACCXB-K6DNA1G/O GWH12ATCXB-K6DNA1A/O Unit: mm GWH12AWCXD-K6DNA1D/O GWH18ATDXD-K6DNA1A/O Unit: mm Technical Information...
  • Page 22 GWH18AWDXE-K6DNA4A/O 316.5 Unit: mm GWH24AVEXF-K6DNA1A/O Unit: mm Technical Information...
  • Page 23 valve 4. Refrigerant System Diagram COOLING Outdoor unit Indoor unit pipe side Valve 4-Way valve Di s charge Heat Accumlator Suction exchanger Compressor (evaporator) Heat Liquid exchanger pipe (condenser) side Valve Strainer Electron Strainer expansion valve COOLING HEATING Connection pipe specification: Liquid pipe: 1/4"...
  • Page 24 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal louver for this model. ●...
  • Page 25 GWH18AWDXD-K6DNA4A/I GWH18AWDXE-K6DNA4A/I OPTIONAL TUBE ROOM TEMP. TEMP. RECEIVER AND MOTOR WIRED SENSOR SENSOR DISPLAY BOARD CONTROLLER AP1 DISPLAY θ θ TERMINAL BLOCK T-SENSOR DISP DC-MOTOR COM-MANUAL N(1) N(N1) COM-OUT JUMP PRINTED CIRCUIT BOARD AC-L YEGN YEGN SWING-UD HEALTH DOOR-C (SWING-UD1) SWING-LR (UVC) (DRY-C)
  • Page 26 ● Outdoor Unit GWH09ACCXB-K6DNA1G/O GWH12ATCXB-K6DNA1A/O GWH12AWCXD-K6DNA1D/O WARNING OPTIONAL OPTIONAL OPTIONAL BOTTOM 4-WAY ELECTRONIC OUTTUBE OUTROOM EXHAUST Please don't touch any EXPANSION BAND VALVE TEMP. TEMP. TEMP. terminal when the machine is VALVE HEATER SENSOR SENSOR SENSOR running ,stopping or has been...
  • Page 27 5.2 PCB Printed Diagram Indoor Unit GWH09AWCXB-K6DNA1G/I GWH09AWCXB-K6DNA4G/I GWH12AWCXB-K6DNA4A/I GWH12AWCXD-K6DNA1D/I GWH12AWCXD-K6DNA4D/I GWH18AWDXD-K6DNA4A/I GWH18AWDXE-K6DNA4A/I GWH24AWEXF-K6DNA4A/I Name Name Earthing Wire Insertion Left & Right Swing Needle Stand Brushless DC Motor Needle Stand Up & Down Swing Needle Stand 2 Live Wire Insertion Up &...
  • Page 28 Outdoor Unit GWH09ACCXB-K6DNA1G/O GWH12ATCXB-K6DNA1A/O GWH12AWCXD-K6DNA1D/O Name Name Earthing Wire Insertion Outdoor Fan Needle Stand Live Wire Insertion Electronic Expansion Valve Needle Stand Neutral Wire Insertion Compressor Overload Needle Stand Communication Wire Insertion Temperature Sensor Needle Stand Four-way Valve Needle Stand...
  • Page 29 GWH18ATDXD-K6DNA1A/O 10 11 Name Name Earthing Wire Insertion Outdoor Fan Needle Stand Live Wire Insertion DRED Neutral Wire Insertion Electronic Expansion Valve Needle Stand Communication Wire Insertion Compressor Overload Needle Stand 4-way Valve Needle Stand Temperature Sensor Needle Stand Electric Heating Belt of Chassis Needle Stand EEP Flash Drive Needle Stand DRED-DC Compressor Needle Stand...
  • Page 30 GWH18AWDXE-K6DNA4A/O 9 1011 Name Name Earthing Wire Insertion Outdoor Fan Needle Stand Live Wire Insertion Temperature Sensor Needle Stand Communication Wire Insertion Compressor Overload Needle Stand Neutral Wire Insertion DRED Power Supply Needle Stand Four-way Valve Needle Stand Compressor Needle Stand Chassis Electric Heating Belt Needle Stand EEP Flash Drive Needle Stand Electronic Expansion Valve Needle Stand...
  • Page 31 GWH24AVEXF-K6DNA1A/O Name Name Earthing Wire Insertion Outdoor Fan Needle Stand Live Wire Insertion Temperature Sensor Needle Stand Neutral Wire Insertion Compressor Overload Needle Stand Communication Wire Insertion Compressor Needle Stand Four-way Valve Needle Stand Electronic Expansion Valve Needle Stand Chassis Electric Heating Belt Needle Stand EEP Flash Drive Needle Stand Technical Information...
  • Page 32 6. Function and Control 6.1 Remote Controller Introduction for YAP1F7(WiFi) Buttons on remote controller Introduction for buttons on remote controller NOTE: 1. This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status.
  • Page 33 ● When selecting fan mode, the air conditioner will only blow button TURBO fan, no cooling and no heating. Press "FAN" button to adjust fan Under COOL or HEAT mode, press this button to turn to quick speed. Press " "...
  • Page 34 position. ● After that, air conditioner will be turned on or turned off according to setting time. ON/OFF button has no effect on setting. ● When selecting " ", air conditioner is blowing fan at If you don’t need this function, please use remote controller to fixed angle.
  • Page 35 (1) Under Sleep 3 mode, press “Turbo” button for a long time, function; LCD display " ". Press this button again to repeat the remote controller enters into user individuation sleep setting operation above. status, at this time, the time of remote controller will display “1hour”, ●...
  • Page 36 ● Under 8°C heating function, set temperature can't be adjusted. ● If you want to cancel the power limiting function, press the button till the icon in remote controller is not displayed. Press "TURBO" button and the remote controller won't send signal.
  • Page 37 GREE+ App Download Linkage Scan the QR code or search "GREE+" in the application market to download and install it. When "GREE+" App is installed, register the account and add the device to achieve long-distance control and LAN control of Gree smart home appliances.
  • Page 38 6.3 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Home Wi-Fi Cellular/ home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version Download and installation...
  • Page 39 6.4 Brief Description of Models and Functions 1.Basic function of system Upon energization or availably operating the unit or remote controller, the buzzer will give out a beep. (1) Cooling mode (2) Auto fan (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30°C.
  • Page 40 (15) Turbo fan control function continuously press LIGHT button for 3 times within 3s to enter refrigerant recycling mode; Fo is displayed and refrigerant Set turbo function under cooling or heating mode to enter into recycling function is started. At this moment, the maintenance turbo fan speed.
  • Page 41 ② When T -2°C≤T ≤T , unit operates signal from ODU is received, IDU will exit from the compulsory preset indoor ambient temperature preset according to the previous status. defrosting mode and stop sending the signal to ODU. ③ When T <T -2°C, compressor stops After ODU receives the compulsory defrosting code, it will start...
  • Page 42 7. Notes for Installation and Maintenance Safety Precautions: Important! by yourself. Please read the safety precautions carefully before installation 11. For the air conditioner without plug, an air switch must and maintenance. be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than The following contents are very important for installation and 3mm.
  • Page 43 Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. WARNINGS 1. When installing or relocating the unit, be sure to keep the If compressor starts running when stop valve is open and refrigerant circuit free from air or substances other than the connection pipe is not yet connected, air will be sucked in and specified refrigerant.
  • Page 44 Safety Precautions for Refrigerant R32: 675 ● To realize the function of the air conditioner unit, a special refrigerant circulates in the system. The used refrigerant is the fluoride R32, which is specially cleaned. The refrigerant This marking indicates that this product should not be is flammable and inodorous.
  • Page 45 table a - Minimum room area ( m a. Shut down the unit and cut power supply Charge b. Eliminate the refrigerant Floor Window Wall Ceiling amount location mounted mounted mounted (kg) c. Vacuuming ≤1.2 d. Clean it with N 14.5 16.8 e.
  • Page 46 corrected; If any hot work is to be conducted on the refrigerating equipment or any associated parts, appropriate fire — refrigerating pipe or components are installed in a extinguishing equipment shall be available to hand. Have a position where they are unlikely to be exposed to any dry powder or CO fire extinguisher adjacent to the charging substance which may corrode refrigerant containing...
  • Page 47 position where they are unlikely to be exposed to any Do not apply any permanent inductive or capacitance loads substance which may corrode refrigerant containing to the circuit without ensuring that this will not exceed the components, unless the components are constructed of permissible voltage and current permitted for the equipment materials which are inherently resistant to being corroded in use.
  • Page 48 process. system. ● Removal and evacuation Prior to recharging the system, it shall be pressure-tested with the appropriate purging gas. The system shall be leak- When breaking into the refrigerant circuit to make repairs tested on completion of charging but prior to commissioning. —...
  • Page 49 ● Labelling shall be available and in good working order. Hoses shall be complete with leak-free disconnect couplings and in good Equipment shall be labelled stating that it has been de- condition. Before using the recovery machine, check that it is commissioned and emptied of refrigerant.
  • Page 50 Main Tools for Installation and Maintenance Level meter Measuring tape Screw driver Impact drill Drill head Electric drill Electroprobe Universal meter Inner hexagon Electronic Torque wrench Open-end wrench spanner leakage detector Vacuum pump Pressure meter Pipe pliers Pipe pliers Pipe cutter Pipe expander Pipe bender Soldering appliance...
  • Page 51 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm Space to the wall At least 15cm Space to the obstruction At least 50cm Drainage pipe Installation and Maintenance...
  • Page 52 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 53 8.2 Installation Parts-checking 3. Outdoor Unit (1) Select a location where the noise and outflow air emitted by Name Name the outdoor unit will not affect neighborhood. Indoor unit Sealing gum (2) The location should be well ventilated and dry, in which the outdoor unit won't be exposed directly to sunlight or strong wind.
  • Page 54 NOTE: Model Air switch capacity Power cord 09K / 12K 3G1.0 ● Pay attention to dust prevention and take relevant safety 3G1.5 measures when drilling the hole. 3G2.5 4. Outlet Pipe (1) The pipe can be led out in the direction of right, rear right, left 8.5 Installation of Indoor Unit or rear left.
  • Page 55 6. Install Drain Hose (1) Connect the drain hose to the outlet pipe of indoor unit. (As Cable-cross hole show in Fig.8) (2) Bind the joint with tape. (As show in Fig.9) Power connection wire Fig.12 Drain hose (3) Remove the wire clip; connect the power connection wiresignal Outlet pipe control wire (only for cooling and heating unit) to the wiring terminal according to the color;...
  • Page 56 2. Install Drain Joint (Only for heat pump models) NOTE: ● The power cord and control wire can't be crossed or winding. (1) Connect the outdoor drain joint into the hole on the chassis. ● The drain hose should be bound at the bottom. (2) Connect the drain hose into the drain vent.
  • Page 57 signal control wire (only for cooling and heating unit) to the wiring terminal according to the color; fix them with screws. (As show in Fig.23) The drain hose can't be fluctuant The water outlet N(1) L(3) The drain can't be placed hose can't in water The water...
  • Page 58 8.8 Check after Installation and Test Operation 1. Check after Installation Check according to the following requirement after finishing installation. Items to be checked Possible malfunction Has the unit been installed The unit may drop, shake or firmly? emit noise. Have you done the It may cause insufficient refrigerant leakage test?
  • Page 59 9. Maintenance 9.1 Error Code List Error Malfunction name AC status Possible causes code 1. Jumper cap is not installed in control panel; 2. Poor contact of jumper cap; Malfunction of jumper cap The complete unit stops operation 3. Jumper cap is damaged; 4.
  • Page 60 Error Malfunction name AC status Possible causes code 1. Temperature sensor is not well connected or damaged; Liquid valve temperature 2. The wire of temperature sensor is damaged, causing short sensor is ON / short- circuit to copper pipe or outer casing; circuited 3.
  • Page 61 Error Malfunction name AC status Possible causes code Cool/Dry: compressor and outdoor 1. Temperature sensor is not connected well or damaged; Outdoor condenser tem- fan stop operation, while indoor 2. Temperature sensor wire of outdoor unit is damaged; short perature sensor is open/ fan operates;...
  • Page 62 Error Malfunction name AC status Possible causes code 1. Outdoor ambient temperature exceeds the operation range Cool: compressor and outdoor of unit (e.g.: less than 20°C or more than 60°C for cooling; more fan stops operation, while indoor than 30°C for heating); Undefined outdoor unit er- fan operates;...
  • Page 63 Error Malfunction name AC status Possible causes code Cool/Dry: compressor stops opera- DC bus voltage drop mal- tion, while indoor fan operates; The power voltage is unstable. function Heat: all loads stops operation. Cool: compressor and outdoor fan stops operation, while indoor 1.
  • Page 64 9.2 Procedure of Troubleshooting 1. Troubleshooting for jumper cap Main check points: (1) jumper cap (2) control board of indoor unit Display shows “C5” Check whether the main Insert the equipped board of controller is inserted with jumper cap jumper cap. Eliminate malfunction Check whether the...
  • Page 65 2. Communication malfunction Main check points: (1) Connection wire between indoor unit and outdoor unit (2) Wiring inside the unit (3) Communication circuit of control board of indoor unit (4) Communication circuit of control board of outdoor unit Start Check whether the unit has operated normally before the malfunction occurs.
  • Page 66 3. IPM protection , over-phase current of compressor Main check points: (1) compressor COMP terminal (2) power supply voltage (3) compressor (4) charging amount of refrigerant (5) air inlet and air outlet of indoor/outdoor unit NOTE: The control board as below means the control board of outdoor unit. Put through the power and turn on the unit...
  • Page 67 4. Overload protection of compressor , high discharge temperature, protection of compressor Main check points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector NOTE: The control board as below means the control board of outdoor unit. After the unit has been cut off the power for more than 20mins...
  • Page 68 5. Troubleshooting for temperature sensor , , , , Main check points: (1) connection terminal (2) temperature sensor (3) main board Start Check whether the connection terminal between the temperature sensor and the control board is loose or not connected well.
  • Page 69 6. High temperature prevention protection ; high power ; system is abnormal Main check points: (1) outdoor temperature (2) fan (3)air inlet and air outlet of indoor/outdoor unit NOTE: The control board as below means the control board of outdoor unit. Overload protection, high temperature prevention protection...
  • Page 70 7. Desynchronization diagnosis for compressor Main check point: (1) system pressure (2) power supply voltage NOTE: The control board as below means the control board of outdoor unit. Desynchronization occurs Desynchronization occurs during operation after turning on the unit Check whether the fan Replace the fan Does the outdoor fan operate terminal OFAN is...
  • Page 71 8. Malfunction diagnosis for failure startup Main check points: (1) compressor wire (2) compressor (3) charging amount of refrigerant NOTE: The control board as below means the control board of outdoor unit. Put through the power and turn on the unit The time for stop operation is not enough and the system's high pressure and low pressure is Check whether the compressor...
  • Page 72 9. Charging malfunction of capacitor Main check points: (1) wiring board XT (2) reactor NOTE: The control board as below means the control board of outdoor unit. Put through the power to turn on the unit and then wait for 1min Measure the voltage at both ends of electrolytic capacitor with DC voltmeter.
  • Page 73 10. Troubleshooting-motor(indoor fan) doesn't operate Main check points: (1) connection terminal (2) motor (3) control board AP1 of indoor unit (4) blade 10.1 DC motor Display shows "H6" Pull the blade with hand under de-energization status Check whether the Adjust the motor and the blade blade operates smoothly to make the motor operate smoothly.
  • Page 74 10.2 PG motor Display shows "H6" Pull the blade with hand under de- energization status Adjust the motor and Check whether the blade to make the the blade operates blade operate smoothly smoothly. Eliminate malfunction Check whether Insert the feedback the feedback terminal of terminal again indoor fan's motor...
  • Page 75 11. AC overcurrent protection Start The normal fluctuation is about 10% of rated Eliminate malfunction The power voltage is unstable. voltage on the nameplate. The power voltage is too low and the Adjust the power voltage to make it normal. Eliminate malfunction load is too high.
  • Page 76 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 con- After energization, operation indicator isn't bright wait for power recovery.
  • Page 77 4. ODU Fan Motor can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit dia- Connect wires according to wiring diagram to connection gram make sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an uni- Capacity of the ODU fan motor versal meter and find that the capacity is out of the...
  • Page 78 10. Exploded View and Parts List 10.1 Indoor Unit AWC model (4-Dimension Swing) ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK CLOCK LIGHT LIGHT WiFi WiFi SLEEP SLEEP 13-4 13-2 13-1 The component picture is only for reference; please refer to the actual product. Description Description Description...
  • Page 79 AWD model (4-Dimension Swing) ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK CLOCK LIGHT LIGHT WiFi WiFi SLEEP SLEEP The component picture is only for reference; please refer to the actual product. Description Description Description Rear Case Sub-assy...
  • Page 80 AWE model (4-Dimension Swing) ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK CLOCK LIGHT LIGHT WiFi WiFi SLEEP SLEEP 16-2 16-4 16-1 11-6 15-5 16-3 15-4 15-3 15-2 15-1 The component picture is only for reference; please refer to the actual product. Description Description Description...
  • Page 81 10.2 Outdoor Unit GWH09ACCXB-K6DNA1G/O GWH12ATCXB-K6DNA1A/O 16-5 16-1 16-2 16-3 16-4 19-1 19-4 The component picture is only for reference; please refer to the actual product. Description Description Description Chassis Sub-assy Motor Support Right Side Plate Assy Compressor and Fittings Motor...
  • Page 82 GWH12AWCXD-K6DNA1D/O GWH18ATDXD-K6DNA1A/O 15-5 15-2 15-1 15-4 17-1 17-2 17-3 15-3 The component picture is only for reference; please refer to the actual product. Description Description Description Chassis Sub-assy Fan Motor 17-1 Right Side Plate Compressor and Fittings Axial Flow Fan 17-2 Earthing Plate Sub-assy Condenser Assy Magnet Coil...
  • Page 83 GWH18AWDXE-K6DNA4A/O 16-5 16-1 16-2 16-3 16-4 18-2 18-3 The component picture is only for reference; please refer to the actual product. Description Description Description Chassis Sub-assy Motor Support Right Side Plate Assy Compressor and Fittings Fan Motor 18-1 Right Side Plate Condenser Assy Axial Flow Fan 18-2 Earthing Plate Sub-assy...
  • Page 84 GWH24AVEXF-K6DNA1A/O 15-2 15-5 15-1 15-3 15-4 18-1 18-2 18-3 The component picture is only for reference; please refer to the actual product. Description Description Description Chassis Sub-assy Motor Right Side Plate Assy Compressor and Fittings Axial Flow Fan 18-1 Right Side Plate Condenser Assy Electric Box Assy 18-2 Earthing Plate Sub-assy...
  • Page 85 11. Removal Procedure 11.1 Removal Procedure of Indoor Unit Caution: discharge the refrigerant completely before removal. Note: Take AWA/AWB for example. Step Procedure Before disassemble Turn off the air conditioner and disconnect the power before disassemble the air conditioner. 1. Remove guide louver Push out the plug pin on guide louver, bend the guide louver with hand and then separate the guide louver from the crank shaft of step motor to remove it.
  • Page 86 Step Procedure 4. Remove electric box cover 2 Screw Remove the screws on the electric box cover 2 to remove the electric box cover 2. Electric box cover 2 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 87 Step Procedure 7. Remove electric box assy Screw Remove the screw fixing electric box assy. Indoor tube Grounding temperature sensor Electric box assy screw Main board ① Cut off the wire binder and pull out the indoor tube temperature sensor. Wiring terminal ②...
  • Page 88 Step Procedure 8. Remove evaporator assy Remove 2 screws fixing evaporator assy. Screws Connection pipe clamp At the back of the unit, Loosen the clasp of the connection pipe clamp and then remove the connection pipe clamp. First remove the left side of evaporator from the groove of bottom shell and then remove the right side from the clasp on the bottom shell.
  • Page 89 Step Procedure 9. Remove motor and cross flow fan Remove 3 screws fixing motor clamp and then remove the motor clamp. Screws Screw Loose the screws (2-3 circles) used for fixing the cross flow fan, pull right to pull out the motor. 10.
  • Page 90 11.2 Removal Procedure of Outdoor Unit Caution: discharge the refrigerant completely before removal. GWH09ACCXB-K6DNA1G/O GWH12ATCXB-K6DNA1A/O Step Procedure 1. Before disassembly 2. Remove big handle and valve cover Big handle Remove the screws fixing big handle, valve cover and Valve cover then remove them.
  • Page 91 Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front panel assy 5. Remove right side plate assy Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right...
  • Page 92 Step Procedure 7. Remove motor support and motor Motor support Remove the screws fixing the motor support and lift the Motor motor support to remove it. Remove the screws fixing the motor and then remove the motor. 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
  • Page 93 Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them. Note: Liquid valve Discharge the refrigerant completely befor unsoldering;...
  • Page 94 GWH12AWCXD-K6DNA1D/O GWH18ATDXD-K6DNA1A/O Caution: discharge the refrigerant completely before removal. Step Procedure 1. Before disassembly 2. Remove big handle and valve cover Remove the screws fixing big handle, valve cover and then remove them. big handle valve cover 3. Remove top cover top cover Remove the screws fixing top panel and then remove the top panel.
  • Page 95 Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front panel 5. Remove right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right plate, and remove the right side plate assy.
  • Page 96 Step Procedure 7. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard are removed and the electrical box assy are removed. 8.
  • Page 97 Step Procedure 10. Remove 4-way valve assy 4-way valve assy Unsolder the welding joints connecting the 4-way valve assy, remove the 4-way valve. Note: Before unsoldering the welding joint, wrap the 4-way valve with a wet cloth completely to avoid damage to the valve caused by high temperature.
  • Page 98 Step Procedure Compressor 13. Remove compressor Remove the 3 foot nuts on the compressor and then remove the compressor. Installation and Maintenance...
  • Page 99 GWH18AWDXE-K6DNA4A/O Caution: discharge the refrigerant completely before removal. Step Procedure 1. Before disassembly 2. Remove big handle and valve cover Big handle Remove the screws fixing big handle, valve cover and Valve cover then remove them. 3. Remove top cover Top cover Remove the screws fixing top panel and then remove the top panel.
  • Page 100 Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front panel assy 5. Remove right side plate assy Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right...
  • Page 101 Step Procedure 7. Remove motor support and motor Motor support Remove the screws fixing the motor support and lift the Motor motor support to remove it. Remove the screws fixing the motor and then remove the motor. 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
  • Page 102 Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them. Note: Liquid valve Discharge the refrigerant completely befor unsoldering;...
  • Page 103 GWH24AVEXF-K6DNA1A/O Caution: discharge the refrigerant completely before removal. Step Procedure 1. Before disassembly 2. Remove big handle and valve cover Big handle Remove the screws fixing big handle, valve cover and then remove them. Valve cover 3. Remove top cover Top cover Remove the screws fixing top panel and then remove the top panel.
  • Page 104 Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy with the chassis and the motor support, and then remove the front panel assy. Front panel assy 5. Remove right side plate assy Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right...
  • Page 105 Step Procedure 7. Remove motor support and motor Motor support Remove the screws fixing the motor support and lift the motor support to remove it. Motor Remove the screws fixing the motor and then remove the motor. 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
  • Page 106 Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them. Note: Liquid valve Discharge the refrigerant completely befor unsoldering;...
  • Page 107 Appendix Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius temperature（ temperature（ temperature（ F） （ F） （ C） F）...
  • Page 108 Appendix 3: Pipe Expanding Method Pipe Note: Improper pipe expanding is the main cause of refrigerant leakage.Please expand Pipe cutter the pipe according to the following steps: A:Cut the pip Leaning Uneven Burr ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...
  • Page 109 Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.10 49.02 18.75 7.97 128.60 44.31 17.14 7.35 115.00 40.09 15.68 6.79 102.90 36.32 14.36 6.28...
  • Page 110 JF00305583 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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