Gree GWH09APAXE-K6DNA3A Service Manual
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Gree GWH09APAXE-K6DNA3A Service Manual

Gree GWH09APAXE-K6DNA3A Service Manual

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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GWH09APAXE-K6DNA3A

  • Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    .......................14 5.2 PCB Printed Diagram ....................16 6. Function and Control ..............19 6.1 Remote Controller Introduction ................19 6.2 GREE+ App Operation Manual ................24 6.3 Ewpe Smart App Operation Manual ..............25 6.4 Brief Description of Models and Functions ..........26 Part Ⅱ : Installation and Maintenance ....
  • Page 3 8.6 Installation of Outdoor unit .................40 8.7 Vacuum Pumping and Leak Detection ............41 8.8 Check after Installation and Test operation ..........42 9. Maintenance ...................43 9.1 Error Code List ......................43 9.2 Procedure of Troubleshooting ................48 9.3 Troubleshooting for Normal Malfunction ............60 10.

  • Page 4: Part Ⅰ : Technical Information

    Indoor product Outdoor Model Product code Indoor model Outdoor model code product code GWH09APAXE-K6DNA3A CB583000200 GWH09APAXE-K6DNA3A/I CB583N00200 GWH09APAXE-K6DNA3A CB583000201 GWH09APAXE-K6DNA3A/I CB583N00201 GWH09APAXE-K6DNA3A/O CB583W00200 GWH09APAXE-K6DNA1B CB552000900 GWH09APAXE-K6DNA1B/I CB552N00900 GWH09APAXE-K6DNA1B CB552000901 GWH09APAXE-K6DNA1B/I CB552N00901 GWH12APAXE-K6DNA3A CB583000100 GWH12APAXE-K6DNA3A/I CB583N00100 GWH12APAXE-K6DNA3A CB583000101 GWH12APAXE-K6DNA3A/I CB583N00101 GWH12APAXE-K6DNA3A/O CB583W00100...

  • Page 5: Specifications

    2. Specifications 2.1 Specification Sheet Model GWH09APAXE-K6DNA3A GWH09APAXE-K6DNA1B Product Code CB583000200/CB583000201 CB552000900/CB552000901 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 2700 Heating Capacity 3600 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input...
  • Page 6 Outdoor Unit Model GWH09APAXE-K6DNA3A/O Outdoor Unit Product Code CB583W00200 Compressor Manufacturer Shanghai Highly Electrical Appliances Co.,Ltd. Compressor Model GSD098XKUA7JL6B Compressor Oil ACS-68R or equiva le nt 320±20ml Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector...
  • Page 7 Model GWH12APAXE-K6DNA3A GWH12APAXE-K6DNA1B Product Code CB583000100/CB583000101 CB552001100/CB552001101 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 3520 Heating Capacity 3800 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1600 Rated Cooling Current Rated Heating Current Air Flow Volume...
  • Page 8 Outdoor Unit Model GWH12APAXE-K6DNA3A/O Outdoor Unit Product Code CB583W00100 Compressor Manufacturer Shanghai Highly Electrical Appliances Co.,Ltd. Compressor Model GSD098XKUA7JL6B Compressor Oil ACS-68R or equiva le nt 320±20ml Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range...
  • Page 9 Model GWH18APAXH-K6DNA3A GWH18APAXH-K6DNA1A Product Code CB583000300/CB583000301 CB552001000/CB552001001 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity 5300 Heating Capacity 5600 Cooling Power Input 1380 Heating Power Input 1450 Cooling Current Input Heating Current Input Rated Input 2400 Rated Cooling Current 11.5...
  • Page 10 Outdoor Unit Model GWH18APAXH-K6DNA3A/O Outdoor Unit Product Code CB583W00300 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model FTz-SM151AXBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 6.06 Compressor Power Input 1330 Compressor Overload Protector Throttling Method Electron expansion valve Set Temperature Range ºC...

  • Page 11: Capacity Variation Ratio According To Temperature

    2.2 Capacity Variation Ratio According to Temperature Cooling Condition Indoor:DB27°C WB19°C Indoor air flow: High Pipe length:5m Heating Conditions Indoor:DB20°C Indoor air flow:Super High Pipe length:5m - 30 - 25 - 20 - 15 - 10 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe connecting Inlet and outlet pipe temperature of...
  • Page 12 Heating: Pressure of gas pipe connecting Inlet and outlet pipe temperature of Rated heating condition(°C) (DB/WB) indoor and outdoor unit heat exchanger Fan speed of Fan speed of Model indoor unit outdoor unit Indoor Outdoor P (MPa) T1 (°C) T2 (°C) 20/- 2.1~2.4 58 -32...

  • Page 13: Outline Dimension Diagram

    3. Outline Dimension Diagram 3.1 Indoor Unit Φ 65 Unit:mm Technical Information...

  • Page 14: Outdoor Unit

    3.2 Outdoor Unit GWH09APAXE-K6DNA3A/O GWH12APAXE-K6DNA3A/O 316.5 Unit:mm GWH18APAXH-K6DNA3A/O 1000 Unit:mm Technical Information...

  • Page 15: Refrigerant System Diagram

    4. Refrigerant System Diagram Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compr esso (evaporator) Heat exchanger Liquid pipe (condense r) side Valve Electric Strainer Strainer expand valve COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...

  • Page 16: Electrical Part

    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 lover for this model. ●...
  • Page 17 ● Outdoor Unit GWH09APAXE-K6DNA3A/O GWH12APAXE-K6DNA3A/O OPTIONAL OPTIONAL WARNING OUTTUBE OUTROOM EXHAUST 4-WAY ELECTRONIC TEMP. TEMP. TEMP. Please don't touch any terminal when the EXPANSION VALVE SENSOR SENSOR SENSOR VALVE machine is running ,stopping or has been powered off for less than 30minutes to...

  • Page 18: Pcb Printed Diagram

    5.2 PCB Printed Diagram Indoor Unit Name Name DC Motor terminal Terminal of display board Healthing terminal Live wire terminal Communication terminal for indoor unit Up & down swing terminal and outdoor unit Left & right swing terminal Fuse Terminal of temperature sensor 10 Neutral wire terminal Technical Information...
  • Page 19 Outdoor Unit GWH09APAXE-K6DNA3A/O GWH12APAXE-K6DNA3A/O Name Name Earthing wire Outdoor fan Live wire Electronic expansion valve Neutral wire Compressor overload terminal Communication cable 10 Temperature sensor 4-way valve E store terminal Electric heating terminal of chassis 12 Compressor wiring terminal Technical Information...
  • Page 20 GWH18APAXH-K6DNA3A/O Name Name Neutral wire Terminal of high pressure protection Grounding wire Temperature sensor Live wire 10 Overload interface of compressor Communication wire Terminal of electronic expansion valve 4-way valve 12 Terminal of DRED Electric heating belt of chassis 13 E disk(Reserved) Outdoor fan 14 Terminal of compressor wire Technical Information...

  • Page 21: Function And Control

    6. Function and Control 6.1 Remote Controller Introduction Introduction for icons on display screen NOTE: ● This is a general use remote controller. It could be used for Send signal the air conditioner with multifunction. For the functions which the Quiet model doesn't have, if press the corresponding button on the Set fan speed...
  • Page 22 NOTE: " / " " button to adjust fan blowing angle. ● This function is applicable to partial of models . NOTE: ● For preventing cold air, after starting up heat mode, indoor unit Health will delay 1~5 minutes to blow air (actual delay time depends on Press this button to achieve the on and off of health and indoor ambient temperature).

  • Page 23: Function Introduction For Combination Buttons

    circulation sequence stated above. Light Press this button to control the LED status on the displayer, the ● The function is only available for some models. circulation change is as follow: Clock Press this button to set clock time. " "...
  • Page 24 U n d e r u n i t o f f s t a t u s , h o l d " M O D E " a n d " " b u t t o n s simultaneously for 5s to turn on or turn off the auto clean function.

  • Page 25: Replacement Of Batteries In Remote Controller

    Replacement of batteries in remote controller run at this setting temperature; In Heat mode: sleep status after run for one hour, the setting temperature will decrease 1 , two hours, setting temperature will decrease 2 , then the unit will run 1.Press the back side of remote controller marked with "...

  • Page 26: Gree+ App Operation Manual

    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 27: Ewpe Smart App Operation Manual

    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 28: Brief Description Of Models And Functions

    6.4 Brief Description of Models and Functions ●Indoor Unit (3) Auto fan 1.Basic function of system Heating mode: During auto heating mode or normal heating ode, (1)Cooling mode auto fan speed will adjust the fan speed automatically according (1) Under this mode, fan and swing operates at setting status. to ambient temperature and set temperature.
  • Page 29 Through the phases of condensation, frosting, defrosting and (except Turbo) or auto fan speed. Compressor, outdoor fan and high temperature of evaporator, dedusting and sterilization can be 4-way valve all stop operation. achieved. (2) In fan mode, temperature setting range is 16~30 1.Under power-off status, press and hold “Interior Clean”...
  • Page 30 Set temperature is 8 C. Display board of IDU displays 8 C. Under this mode, “Cold air prevention” function is shielded. If compressor is operating under this mode, fan speed will adjust according to auto fan speed; if compressor stops operation under this mode, indoor fan will be in residual-heat blowing status.

  • Page 31: Part Ⅱ : Installation And Maintenance

    7. Notes for Installation and Maintenance Safety Precautions: Important! 11. For the air conditioner without plug, an air switch must be installed in the circuit. The air switch should be all-pole Please read the safety precautions carefully before parting and the contact parting distance should be more than installation and maintenance.

  • Page 32: Safety Precautions For Installing And Relocating The Unit

    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 If compressor starts running when stop valve is open and keep the refrigerant circuit free from air or substances connection pipe is not yet connected, air will be sucked in and other than the specified refrigerant.
  • Page 33 has running fire (such as fire source,working coal gas ware, Safety Precautions for Refrigerant operating heater). ●It is not allowed to drill hole or burn the connection pipe. ●To realize the function of the air conditioner unit, a special ●The air conditioner must be installed in a room that is larger refrigerant circulates in the system.
  • Page 34 Make sure that different kinds of refrigerant won't contaminate surveyed to make sure that there are no flammable hazards or with each other. ignition risks. “ NO Smoking ” signs shall be displayed. ●The refrigerant tank should be kept upright at the time of filling refrigerant.
  • Page 35 to have an electrical supply to equipment during servicing, then a Leak detection equipment shall be set at a percentage of the permanently operating form of leak detection shall be located at LFL of the refrigerant and shall be calibrated to the refrigerant the most critical point to warn of a potentially hazardous situation.

  • Page 36: Main Tools For Installation And Maintenance

    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 37: Installation

    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 300cm Space to the obstruction At least 50cm Drainage pipe Installation and Maintenance...

  • Page 38: Installation Procedures

    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: Installation Parts-Checking

    8.2 Installation Parts-checking (3) The location should be able to withstand the weight of outdoor unit. (4) Make sure that the installation follows the requirement of Name installation dimension diagram. Indoor unit (5) Select a location which is out of reach for children and far away from animals or plants.If it is unavoidable, please add fence Outdoor unit for safety purpose.

  • Page 40: Installation Of Indoor Unit

    4. Outlet Pipe Model Air switch capacity Power cord 9/12K 3x1.0mm (1) The pipe can be led out in the direction of right, rear right, left 3x1.5mm or rear left.(As show in Fig.3) (2) When selecting leading out the pipe from left or right, please cut off the corresponding hole on the bottom case.(As show in Fig.4) 8.5 Installation of Indoor Unit...
  • Page 41 6. Install Drain Hose (1) Connect the drain hose to the outlet pipe of indoor unit.(As N(1) show in Fig.8) yellow- (2) Bind the joint with tape.(As show in Fig.9) blue black brown green Outdoor unit connection Drain hose Fig.13 Outlet pipe Note:The wiring connect is for reference only, please refer to the actual one.

  • Page 42: Installation Of Outdoor Unit

    NOTICE (1) The power cord and control wire can't be crossed or winding. (2) The drain hose should be bound at the bottom. 9. Hang the Indoor Unit Drain vent (1) Put the bound pipes in the wall pipe and then make them pass Chassis Drain hose Outdoor drain joint...

  • Page 43: Vacuum Pumping And Leak Detection

    5. Connect Outdoor Electric Wire (1) Remove the wire clip; connect the power connection wire and signal control wire (only for cooling and heating unit) to the wiring terminal according to the color; fix them with screws.(As show in The drain hose can't be fluctuant Fig.23) The water outlet The drain...

  • Page 44: Check After Installation And Test Operation

    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 45: Maintenance

    9. Maintenance 9.1 Error Code List NOTE: 1. The fault of flash 2 times needs to enter the quick test mode before it can be displayed. (Under OFF status, press and hold the automatic button to power on, and the indoor unit enters the quick test mode) 2.
  • Page 46 Possible Causes(For specific Indicator display of indoor unit Malfunction maintenance method, please A/C Status Name display refer to the following procedure of troubleshooting) (1 time/s) (1 time/s) (1 time/s) Discharge high temperature protection/ compressor Cool/Dry: compressor and outdoor See "Overload protection of compressor , discharge Flash Flash...
  • Page 47 Possible Causes(For specific Indicator display of indoor unit Malfunction maintenance method, please A/C Status Name display refer to the following procedure of troubleshooting) (1 time/s) (1 time/s) (1 time/s) 1. Outtube temperature sensor is not Cool/Dry: after operating for connected well or damaged Middle tube about 3mins, compressor stops 2.
  • Page 48 Possible Causes(For specific Indicator display of indoor unit Malfunction maintenance method, please A/C Status Name display refer to the following procedure of troubleshooting) (1 time/s) (1 time/s) (1 time/s) Indoor unit and outdoor unit can't Flash Flash Flash Heat: compressor, outdoor unit Capacity of indoor unit and outdoor unit match with each once...
  • Page 49 Possible Causes(For specific Indicator display of indoor unit Malfunction maintenance method, please A/C Status Name display refer to the following procedure of troubleshooting) (1 time/s) (1 time/s) (1 time/s) Cool: compressor and outdoor fan See "High temperature prevention High power Flash Flash Flash...

  • Page 50: Procedure Of Troubleshooting

    9.2 Procedure of Troubleshooting ●Indoor unit: 1. Malfunction of Temperature Sensor F1/F2 Main detection points: (1) connection terminal (2) temperature sensor (3) main board Malfunction diagnosis process: Start Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction...
  • Page 51 2. Malfunction of Blocked Protection of IDU Fan Motor H6 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. Put through the power to check whether the malfunction is eliminated...
  • Page 52 3. Malfunction of Protection of Jumper Cap C5 Main detection points: (1) jumper cap (2) control board of indoor unit Malfunction diagnosis process: Start Appearance of the Is there jumper cap on the mainboard? jumper cap Assemble the jumper cap with the same model Is malfunction eliminated Is the jumper cap inserted correctly...
  • Page 53 4. Communication malfunction E6 Mainly detect: (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 damage? Malfunction diagnosis process: Start Did the equipment operate normally before the failure...
  • Page 54 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: (1)Power supply (2)control board of indoor unit Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on The unit returns to normal. U8 is still Conclusion:U8 is displayed due to displayed...
  • Page 55 ●Outdoor unit: 5. High temperature E8, overload, high power L9 and system is abnormal H4 (AP1 below means control board of outdoor unit) Main check points: (1) outdoor temperature (2) fan (3)air inlet and air outlet of indoor/outdoor unit Malfunction diagnosis process: Start Normal protection, please use it Unit restarts...
  • Page 56 6.IPM protection H5, phase current overcurrent P5 (the control board as below indicates the control board of outdoor unit) Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Malfunction diagnosis process: Put through the power and turn...
  • Page 57 7. Desynchronization diagnosis for compressor H7 (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: (1) system pressure (2) power supply voltage Malfunction diagnosis process: Out of step occurs once the Out of step occurs in unit is powered on.
  • Page 58 8. Charging malfunction of capacitor PU (AP1 below means control board of outdoor unit) Main detection points: (1) wiring board XT (2) reactor Malfunction diagnosis process: 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 59 9. Malfunction of Overcurrent Protection E5 Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...
  • Page 60 10. Startup failed Lc (following AP1 for outdoor unit control board) Main detection points: (1) compressor wire (2) compressor (3) charging amount of refrigerant Malfunction diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail?
  • Page 61 11. Overload protection of compressor H3, high discharge temperature protection of compressor E4 (AP1 hereinafter refers to the control board of the outdoor unit) Main detection points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector Malfunction diagnosis process: After the unit has been cut off the power for more...

  • Page 62: Troubleshooting For Normal Malfunction

    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 connection After energization, operation indicator isn't bright wait for power recovery.
  • Page 63 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 Connect wires according to wiring diagram to make connection diagram sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an Capacity of the ODU fan motor is universal meter and find that the capacity is out of...

  • Page 64: Exploded View And Parts List

    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 65 Description Front Panel Filter Sub-Assy Screw Cover Front Case Guide Louver Axile Bush Swing Lever Air Louver (left) Helicoid Tongue Left Axile Bush Rubber Plug (Water Tray) Rear Case Ring of Bearing O-Gasket of Cross Fan Bearing Cross Flow Fan Evaporator Support Evaporator Assy Motor Press Plate...

  • Page 66: Outdoor Unit

    10.2 Outdoor Unit GWH09APAXE-K6DNA3A/O GWH12APAXE-K6DNA3A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
  • Page 67 Description Left Side Plate Top Cover Assy Clapboard Assy 4-Way Valve Condenser Assy Tempreture Sensor clamp Electric Expand Valve Fitting Electric Expansion Valve Sub-Assy Earthing Plate Sub-assy Wire Clamp Cut-off valve(gas) Cut-off valve(liquid) Handle Valve Cover Valve Support Right Side Plate Compressor and Fittings Chassis Sub-assy Cabinet...
  • Page 68 GWH18APAXH-K6DNA3A/O The component is only for rererence;please refer to the actual product Installation and Maintenance...
  • Page 69 Description Front Grill Cabinet Axial Flow Fan Brushless DC Motor Chassis Sub-assy Drainage Plug Drainage Connecter Cushioned Nut Clap Board Assy Compressor and fittings 4-way Valve Assy Right Side Plate Assy Valve Support Sub Cut-off Valve(gas) Back Cover Nut Cut-off Valve(liquid) Back Cover Nut Valve Cover Union Nut...

  • Page 70: Removal Procedure

    11. Removal Procedure 11.1 Removal Procedure of Indoor Unit Caution: discharge the refrigerant completely before removal. Step Procedure Before disassemble Turn off the air conditioner and disconnect the power before disassemble the air conditioner. 1. Remove filter Front panel Open the front panel; Push the filter upwards to loosen the clasp and then pull the left filter and right filter outwards to remove them.
  • Page 71 Step Procedure 3.Remove electric box cover sub-assy2 and detecting plate(wifi) Electric box cover sub-assy2 Remove the screws on the electric box cover sub-assy2 and detecting plate(WIFI), to remove the electric box cover 2 and detecting plate(WIFI). 4.Remove horizontal louver Push out the axile bush on horizontal louver. Bend the horizontal louver with hand and then separate the horizontal louver from the crankshaft of step motor to remove it.
  • Page 72 Step Procedure 6.Remove electric box cover sub-assy Indoor tube Remove the screw fixing terminal board, remove the Wiring terminal temperature sensor Main board Clasp of motor termianl board. Wiring terminal of cold plasma generator (optional) Wiring terminal of stepping motor loosen the clasps and remove the supporter.
  • Page 73 Step Procedure 8.Remove motor Loosen the screws (4-5 circles) used for fixing the cross flow fan. Screw Use a screwdriver or other tools to pry the bottom case downwards at the position as shown in the figure to make the upper space-limiting rib on the bottom case not to bear againt the motor cover;...
  • Page 74 Step Procedure At the back of the unit, remove the screw of the connection pipe clamp and then remove the connection pipe clamp. Screw Connection pipe clamp Groove Clasp 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 75: Removal Procedure Of Outdoor Unit

    11.2 Removal Procedure of Outdoor Unit Caution: discharge the refrigerant GWH09APAXE-K6DNA3A/O GWH12APAXE-K6DNA3A/O completely before removal. Step Procedure 1. Before disassembly 2. Remove big handle big handle Remove the screws fixing big handle and then remove them. valve cover 3. Remove top cover...
  • Page 76 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 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 77 Step Procedure 7. Remove gas valve and liquid valve Unsolder the welding joint connecting the gas valve and the liquid valve, remove them. Note: Discharge the refrigerant completely befor unsoldering; liquid valve when unsoldering, wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by welding joint high temperature.
  • Page 78 Step Procedure 10. Remove axial flow fan Remove the nut on the fan and then remove the axial flow fan. axial flow fan 11. Remove motor Remove the screws fixing the motor and then remove the motor. motor 12. Remove motor support Remove the screws fixing the motor support and lift the motor support to remove it.
  • Page 79 Step Procedure 13. 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 80 GWH18APAXH-K6DNA3A/O Caution: discharge the refrigerant completely before removal. Step Procedure 1. Before disassembly 2. Remove top cover top cover Remove the screws fixing top cover and then remove the top cover. 3. Remove big handle and valve cover big handle Remove the screws fixing big handle, valve cover and then remove them.
  • Page 81 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 rear grill Remove the screws connecing the left side plate and right side plate and then remove rear grill.
  • Page 82 Step Procedure 7. Remove valve suppprt Remove the valve support bolck, remove the screws fixing valve support, remove the screws fixing the liquid valve supprt valve and gas valve then remove the valve support. Valve Support Block 8. Remove gas valve and liquid valve Unsolder the welding joint connecting the gas valve and the liquid valve, remove them.
  • Page 83 Step Procedure Electric Box Assy 10. Remove electric box assy Unplug the terminals, unscrew 1 screw that secures the electrical box assy, release the two snaps on the electrical box assy (in the clapboard and condenser angle), pull outwards, and remove the electrical box assy.
  • Page 84 Step Procedure 13. Remove motor Remove the screws fixing the motor and then remove the motor. motor 14. Remove motor support Remove the screws fixing the motor support and lift the motor support to remove it. motor support 15. Remove clapboard assy clapboard assy Remove the screws fixing the clapboard assy and then remove the clapboard assy.
  • Page 85 Step Procedure 16. Remove compressor Remove the 3 foot nuts on the compressor and then remove the compressor. compressor Installation and Maintenance...

  • Page 86: Appendix

    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 87: Appendix 3: Pipe Expanding Method

    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 88: Appendix 4: List Of Resistance For Temperature Sensor

    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 89 JF00305302 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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