Gree GWH18YD-K6DNA1A/I Service Manual
Refrigerant r32
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Summary of Contents for Gree GWH18YD-K6DNA1A/I
- Page 1 Change for Life Service Manual Models: GWH18YD-K6DNA1A GWH18YD-K6DNA2A (Refrigerant R32) GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
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Page 2: Table Of Contents
5.2 PCB Printed Diagram .....................12 6. Function and Control ..................15 6.1 Remote Controller Introduction ..................15 6.2 GREE+ App Operation Manual ..................20 6.3 Ewpe Smart App Operation Manual ................21 6.4 Brief Description of Modes and Functions ..............22 Part Ⅱ : Installation and Maintenance ..........31... - Page 3 Service Manual 9. Maintenance ......................44 9.1 Error Code List .......................44 9.2 Troubleshooting for Main Malfunction ................49 9.3 Troubleshooting for Normal Malfunction .................61 10. Exploded View and Parts List ..............63 10.1 Indoor Unit ........................63 10.2 Outdoor Unit .........................66 11. Removal Procedure ..................68 11.1 Removal Procedure of Indoor Unit ................68 11.2 Removal Procedure of Outdoor Unit ................73...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit GWH18YD-K6DNA1A/I GWH18YD-K6DNA2A/I Outdoor Unit GWH18YD-K6DNA1A/O(CB437W01300) GWH18YD-K6DNA1A/O(CB437W01301) Remote Controller YAG1FB MODE ON/OFF Technical Information... -
Page 5: Specifications
Dehumidifying Volume 1.80 3.42 3.42 3.90 3.90 SEER 7.60 SCOP (Average/Warmer/Colder) 4.10/5.20/3.40 4.10/5.20/3.40 HSPF Application Area 23-34 23-34 GWH18YD-K6DNA1A/I GWH18YD-K6DNA1A/I Indoor Unit Model GWH18YD-K6DNA2A/I GWH18YD-K6DNA2A/I CB437N01300 CB437N01301 Indoor Unit Product Code CB466N01300 CB466N01301 Fan Type Cross-flow Cross-flow Fan Diameter Length(DXL) Ф106X706 Ф106X706... - Page 6 Service Manual Outdoor Unit Model GWH18YD-K6DNA1A/O GWH18YD-K6DNA1A/O(LCLH) Outdoor Unit Product Code CB437W01300 CB437W01301 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD CO.,LTD Compressor Model QXF-B141zF030A QXF-B141zF030A Compressor Oil 68EP 68EP Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input 1410 1410 1NT11L-6233 or KSD115ºC or...
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Page 7: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling Heating 220V Conditions 220V Indoor: DB27°C/WB19°C Outdoor: DB35°C/WB24°C Indoor air flow: High Pipe length: 5m 230V 230V 240V Conditions Indoor: DB20°C/WB15°C 240V Outdoor: DB7°C/WB6°C Indoor air flow: High Pipe length: 5m 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Variation Ratio According to Temperature... -
Page 8: Cooling And Heating Data Sheet In Rated Frequency
Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling Pressure of gas pipe Inlet and outlet pipe Compressor condition(°C) connecting indoor and temperature of heat Fan speed of Fan speed of Model frequency (DB/WB) outdoor unit exchanger indoor unit outdoor unit... -
Page 9: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Φ55 Φ55 Unit:mm Models Φ70 Φ70 Technical Information... -
Page 10: Outdoor Unit
Service Manual 3.2 Outdoor Unit GWH18YD-K6DNA1A/O(CB437W01300) Unit:mm GWH18YD-K6DNA1A/O(CB437W01301) Unit:mm Technical Information... -
Page 11: Refrigerant System Diagram
Service Manual 4. Refrigerant System Diagram Cooling only model Outdoor unit Indoor unit Gas pipe side Valve Di s charge Heat exchanger (evaporator) Suction Accumlator Compressor Heat exchang Liquid pipe (condenser) side Valve Electron Capillary Strainer expansion valve COOLING Cooling and heating model Indoor unit Outdoor unit Gas pipe... -
Page 12: Electrical Part
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. ● Indoor Unit GWH18YD-K6DNA1A/I(CB437N01300) GWH18YD-K6DNA2A/I(CB466N01300) 600007000338 Technical Information... - Page 13 Service Manual GWH18YD-K6DNA1A/I(CB437N01301) 60000700033803 GWH18YD-K6DNA2A/I(CB466N01301) 60000700033807 Technical Information...
- Page 14 Service Manual ● Outdoor Unit GWH18YD-K6DNA1A/O(CB437W01300) 600007000516 GWH18YD-K6DNA1A/O(CB437W01301) 60000700051602 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...
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Page 15: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit Top view Name Neutral wire Needle stand for indoor fan Auto button Up&down swing motor left&right swing motor Interface of temperature sensor Terminal for display board connection Terminal of jumper cap Communication wire Connect earthing wire(only for the mode with this function) 11 Fuse... - Page 16 Service Manual Outdoor Unit GWH18YD-K6DNA1A/O(CB437W01300) Top view Name Compressor overload protection terminal Interface of temperature sensor Terminal of electronic expansion valve Terminal of outdoor fan 4-way valve terminal Live wire interface Interface of communication wire for indoor unit and outdoor unit earthing wire Neutral wire Compressor wiring...
- Page 17 Service Manual GWH18YD-K6DNA1A/O(CB437W01301) Top view Name Compressor three phase input interface Terminal of system high pressure protection Compressor overload protection terminal Interface of temperature sensor Terminal of electronic expansion valve Terminal for low pressure protection Interface of fan 4-way valve terminal 2-way valve terminal Terminal of compressor electric heater Terminal of chassis electric heater...
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Page 18: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF button FAN button MODE button +/- button TURBO button button button CLOCK button TIMER ON/ TIMER OFF button TEMP button button (before opening cover (after opening cover I FEEL button ON/OFF button LIGHT button... - Page 19 Service Manual 2. FAN button Press this button, Auto, Low, Medium-low, Medium, Medium-high, High speed can be circularly selected. After powered on, Auto fan speed is default. Under DRY mode, Low fan speed only can be set up. ATUO Note: It’s Low fan speed under Dry mode.
- Page 20 Service Manual TIMER ON. 10. TEMP button Press this button,the following temperature can be setted circularly: the setting temperature, indoor ambient temperature and outdoor ,displaying the indoor ambient temperature. is the outdoor ambient temperature. 3s laterit will return to the setting temprature or it depends on the other received signal within3s.
- Page 21 Service Manual the place of setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink; control will resume the original timer display;temperature display will resume to original setting temperature. Sleep3- the sleep curve setting under Sleep mode by DIY could be inquired: The user could accord to sleep curve setting method to inquire the presetting sleep curve, enter into user individuation sleep setting status, Note: In the above presetting or enquiry procedure, if continuously within10s, there is no button pressed, the sleep curve setting status will be automatically quit and resume to display the original displaying.
- Page 22 Service Manual Operation Guide 1. General operation (1)After powered on, press ON/OFF button, the unit will start to run. (Note: When it is powered on, the guide louver of main unit will close automatically.) (2)Press MODE button, select desired running mode. (3)Pressing + or - button, to set the desired temperature (It is unnecessary to set the temp.
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Page 23: 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 24: Ewpe Smart App Operation Manual
Service Manual 6.3 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Cellular/ Home Wi-Fi 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 4.0 and above version above version... -
Page 25: Brief Description Of Modes And Functions
Service Manual 6.4 Brief Description of Modes and Functions Indoor Unit ● 1. Basic function of system (1) Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2) Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status. - Page 26 Service Manual (8) I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9) Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 16℃...
- Page 27 Service Manual Outdoor Unit ● 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. a. In cooling mode, the indoor ambient temperature participating in computing control = (T – ⊿ T indoor ambient temperature cooling indoor ambient temperature compensation...
- Page 28 Service Manual 3. Special Functions Defrosting Control ① Conditions for starting defrosting After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous 3minutes, the defrosting operation will start. ② Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied: ③...
- Page 29 Service Manual 1. Starting estimation: After the compressor stopped working for 180s, if T > [T (the temperature of hysteresis is 2 )], the inner pipe frozen-preventing frequency-limited temperature machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozen- preventing protection: Clear the trouble under the mode of power turn-off / heating, and the protection times are not counted.
- Page 30 Service Manual 1. Frequency limited If [T ]≤T <[T ] , you should limit the frequency raising of heating overload frequency-limited temperature inner pipe heating overload frequency reducing temperature at normal speed compressor. 2. Reducing frequency at normal speed and stopping machine: If T[ ]≤T <[T...
- Page 31 Service Manual (6) Voltage sag protection After start the compressor, if the time of DC link Voltage sag [U ] is measured to be less than t Voltage sag protection time , Sagging protection voltage the machine should be stop at once, hand on the voltage sag trouble, reboot automatically after 30 minutes. (7) Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault.
- Page 32 Service Manual (12) Starting-up Failure Protection for Compressor Stop the compressor after its starting-up fails, restart it after 20s if the fault doesn’t shows, and if they are all failing for the successive start 3 times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if press ON/OFF.
- Page 33 Service Manual 6. Electric Heating Function of Chassis (1) When Toutdoor amb.≤0 , the electric heating of chassis will operate; (2) When Toutdoor amb.>2 , the electric heating of chassis will stop operation; (3)When 0 <Toutdoor amb.≤2 , the electric heating of chassis will keep original status. 7.
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Page 34: Part Ⅱ : Installation And Maintenance
Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself. - Page 35 Service Manual 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 refrigerant circuit free from air or substances other than the specified refrigerant.
- Page 36 Service Manual Safety Precautions for Refrigerant ●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 is flammable and inodorous. Furthermore, it can leads to explosion under certain conditions.
- Page 37 Service Manual Welding ●If you should cut or weld the refrigerant system pipes in the process of maintaining, please follow the steps as below: a. Shut down the unit and cut power supply b. Eliminate the refrigerant c. Vacuuming d. Clean it with N2 gas e.
- Page 38 Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.
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Page 39: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 15cm At least 15cm Drainage pipe Installation and Maintenance... - Page 40 Service Manual 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...
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Page 41: Installation Parts-Checking
Service Manual 8.4 Electric Connection Requirement 8.2 Installation Parts-checking 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. Outdoor unit Wrapping tape (2) According to the local safety regulations, use qualified Support of outdoor power supply circuit and air switch. - Page 42 Service Manual 2. Install Wall-mounting Frame (1) Hang the wall-mounting frame on the wall; adjust it in Left Right horizontal position with the level meter and then point out the screw fixing holes on the wall. (2) Drill the screw fixing holes on the wall with impact drill (the specification of drill head should be the same as the plastic Cut off expansion particle) and then fill the plastic expansion particles...
- Page 43 Service Manual wiring board Drain hose Outlet pipe grounding ( 1 ) wire Tape Drain hose Outlet Fig.9 pipe Fig.8 wire clip Fig.13 Note: the wiring board is for reference only, please refer to the actual one. Note: (4) Put wiring cover back and then tighten the screw. (1) Add insulating pipe in the indoor drain hose in order to (5) Close the panel.
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Page 44: Installation Of Outdoor Unit
Service Manual Foot holes 9. Hang the Indoor Unit (1) Put the bound pipes in the wall pipe and then make them pass through the wall hole. (2) Hang the indoor unit on the wall-mounting frame. (3) Stuff the gap between pipes and wall hole with sealing gum. Foot holes (4) Fix the wall pipe.(As show in Fig.16) (5) Check if the indoor unit is installed firmly and closed to the... -
Page 45: Vacuum Pumping And Leak Detection
Service Manual 6. Neaten the Pipes (1) The pipes should be placed along the wall, bent reasonably Liquid valve Piezometer and hidden possibly. Min. semidiameter of bending the pipe is Gas valve 10cm. (2) If the outdoor unit is higher than the wall hole, you must set Valve cap Refrigerant charging vent... -
Page 46: Check After Installation And Test Operation
Service Manual 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 The unit may drop, shake or installed firmly? emit noise. -
Page 47: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List Installation and Maintenance... - Page 48 Service Manual Complete unit Off 3s current and blink detection 13 times malfunction Off 3s Defrosting will occur in and blink heating mode.Compressor once will operate while indoor It’s the normal state (during fan will stop. blinking, ON 10s and Off 05s) Installation and Maintenance...
- Page 49 Service Manual Installation and Maintenance...
- Page 50 Service Manual When the outdoor unit rece- OFF 3S OFF 3S Gathering ive signal of Gathering refri- and blink and blink Nominal cooling mode refrigerant gerant ,the system will be 1 times 1 times forced to run under cooling mode for gathering refrigerant 1.In defect of refrigerant;...
- Page 51 Service Manual Test value under normal Test No. Test point Corresponding component condition test 1 Between A and C Neutral wire and live wire AC 160V~265V test 2 Between B and C Neutral wire and live wire AC 160V~265V test 3 Between D and E DC busbar electrolytic capacitor DC 180V~380V...
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Page 52: Troubleshooting For Main Malfunction
Service Manual 9.2 Troubleshooting for Main Malfunction Indoor unit 1. Malfunction of Temperature Sensor F1, F2 Malfunction diagnosis process: Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated... - Page 53 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Malfunction diagnosis process: Start Turn the fan blades by hand under power-off condition Adjust the motor and blade Whether the fan blades assembly so that rotor can run can run smoothly? smoothly.
- Page 54 Service Manual 3. Malfunction of detecting plate(WIFI) JF 5. Malfunction of detecting plate(WIFI) JF Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
- Page 55 Service Manual 4. Malfunction of Protection of Jumper Cap C5 Malfunction diagnosis process: Troubleshooting for C5 malfunction Appearance of Is there jumper cap on the the jumper cap mainboard ? Assemble the jumper cap with the same model Is malfunction eliminated the jumper cap inserted correctly and...
- Page 56 Service Manual Confirm the malfunction type according to indoor or outdoor malfunction indicator and malfunction sheet (usually it is stuck on the electric box cover or the top cover of the unit). The indicators of outdoor control board will directly display the corresponding malfunction if there is a malfunction;...
- Page 57 Service Manual Fault with outdoor unit) Malfunction indicator of outdoor unit Malfunction IMP protection Out-of-step fault Compressor overcurrent Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring...
- Page 58 Service Manual Check unit in cooling mode and check the indoor in heating mode Malfunction indicator of outdoor unit check points: (including if the fan speed is too low) tube temperature sensor of indoor and outdoor unit normal Overload and high temperature protection Is outdoor ambient temperature Normal protection, please operate...
- Page 59 Service Manual Fault with outdoor unit) Malfunction indicator of outdoor unit check points: too much Power on the unit Is stop time of the compressor longer Restart it up after 3 minutes than 3 minutes? Are the wires for the Connect the wires between control compressor(UVW) connected correctly? Is panel AP1 and compressor as...
- Page 60 Service Manual Fault with outdoor unit) Malfunction indicator of outdoor unit check points: Out of step occurs once Out of step occurs in the unit is powered on operation Check if the fan terminal Replace the fan Is stop time of the Is the outdoor fan working OFAN is connected correctly capacitor C1...
- Page 61 Service Manual Fault with outdoor unit) Malfunction indicator of outdoor unit Malfunction Overload Air exhaust check points: electronic expansion valve the electronic expansion valve overload protector the air exhaust temperature sensor damaged 20 minutes after the unit is powered off Is the overload protector SAT connected well? Check if the resistance...
- Page 62 Service Manual Malfunction indicator of outdoor unit check points of indoor mainboard of outdoor mainboard(AP1) damage? Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units according to the wiring diagram Check if the controller connection wire inside the electric box of indoor and Is the connection right?
- Page 63 Service Manual Detection process of outdoor communication circuit (refer to the outdoor key detection points) Start Test the voltage of Test 10 The value is changing Test the voltage of Test 13 The value is changing Fault of outdoor unit Test the voltage of Test 11 The value is changing...
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Page 64: Troubleshooting For Normal Malfunction
Service Manual 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 After energization, operation indicator isn’t bright wait for power recovery. - Page 65 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...
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Page 66: Exploded View And Parts List
Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit MODE ON/OFF The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 67 Service Manual Part Code Description GWH18YD-K6DNA1A/I Product Code CB437N01300 CB437N01301 Front Panel(low display) 20000300057T 20000300057T Filter Sub-Assy 11122089 11122089 Front Case Sub-Assy 00000200060 00000200060 Axile Bush 10542036 10542036 Guide Louver 10512501 10512501 Ring of Bearing 26152025 26152025 O-Gasket of Cross Fan Bearing...
- Page 68 Service Manual Part Code Description GWH18YD-K6DNA2A/I Product Code CB466N01300 CB466N01301 Front Panel(low display) 200003000050 200003000050 Filter Sub-Assy 11122089 11122089 Front Case Sub-Assy 00000200060 00000200060 Axile Bush 10542036 10542036 Guide Louver 10512501 10512501 Ring of Bearing 26152025 26152025 O-Gasket of Cross Fan Bearing 76512203 76512203 Cross Flow Fan...
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Page 69: Outdoor Unit
Service Manual 10.2 Outdoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 70 Service Manual Part Code Description GWH18YD-K6DNA1A/O Product Code CB437W01300 CB437W01301 Front Grill 22413045 22415010 Front Panel 01535013 01535013 Drainage Connecter 06123401 06123401 Chassis Sub-assy 02803231P 02803270P Drainage hole Cap 06813401 06813401 Compressor and fittings 00103919G 00103919G Magnet Coil 4300040045 4300040045 4-Way Valve Assy 03015200069 03015200069...
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Page 71: Removal Procedure
Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Step Procedure 1.Remove filter Panel Open the panel. - Page 72 Service Manual Step Procedure 3.Remove display and panel Screws Screws that are locking the display board. Display Separate the display board from the front Panel panel. Open the front panel; separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel.
- Page 73 Service Manual Step Procedure 7.Remove cold plasma generator Cold plasma generator Screws that are locking the cold plasma Screw generator.Separate the display board from the evaporator assy. 8.Remove temperature sensor and grounding wire Temperature sensor Grounding wire Cut off the tieline which binding the temperature sensor and grounding wire on the evaporator, and then pull out the indoor tube temperature sensor from the...
- Page 74 Service Manual Step Procedure 11.Electric box assy Remove the screw fixing electric box assy and then remove the electric box assy. Electric box assy Screw 12.Remove connection pipe clamp Screw Connection pipe clamp At the back of the unit, remove the screw fixing connection pipe clamp and then remove the connection pipe clamp.
- Page 75 Service Manual Step Procedure 15.Remove motor and cross flow blade Motor clamp Remove the screws fixing motor clamp Screws and then remove the motor clamp. Remove the screws at the connection place of cross flow blade and motor; lift the motor and cross flow blade upwards to remove them.
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Page 76: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. Step Procedure 1. Remove big handle,valve cover and top cover handle Remove the screw connecting the big handle and right side plate, and then remove the big... - Page 77 Service Manual Step Procedure 2. Remove grille and cabinet screws Remove the 4 screws connecting the grille and outer case, and then remove the panel grille. grille Remove the screws connecting the outer case with motor support, isolation plate and chassis; screws lift the outer case upwards;...
- Page 78 Service Manual Step Procedure 4. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the blade. axial flow blade 5.Remove electric box assy grounding wire Remove the grounding wire screw on the e l e c t r i c b o x a s s y a n d t h e n r e m o v e t h e grounding wire.
- Page 79 Service Manual Step Procedure screws Remove the 2 screws fixing the electric box assy and then lift the electric box assy upwards to remove it. electric box assy electric box clasp(right) cover clasp(left) Push the electric box cover in the direction of arrow to make the clasp at the right side separate from the groove;...
- Page 80 Service Manual Step Procedure 6.remove the soundproof sponge. Tear off the sticking stripe and then remove the soundproof sponge. sticking stripe soundproof sponge 7.remove the isolation plate and reactor Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting the isolation plate and chassis, and then remove the isolation plate.
- Page 81 Service Manual Step Procedure 8.Valve Support Sub-Assy valve support Unsolder the welding joint connecting the valve sub-Assy with capillary and condenser; unsolder the welding joint connecting the gas valve and air- liquid return pipe; remove the 2 bolts fixing the gas valve valve to remove the gas valve.
- Page 82 Service Manual Step Procedure Remove the 6 screws fixing the motor and then remove the motor. motor screws 11.Remove condenser condenser Remove the 2 screws fixing the condenser and chassis, and then lift the condenser upwards to remove it. screw screw 12.Remove compressor foot nuts...
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Page 83: Appendix
Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius （℃） Celsius （℃） Celsius （℃） temperature temperature temperature （℉）... -
Page 84: Appendix 3: Pipe Expanding Method
Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●... -
Page 85: Appendix 4: List Of Resistance For Temperature Sensor
Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( C) Resistance(kΩ) Temp( C) 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... - Page 86 Service Manual Resistance Table of Tube Temperature Sensors for Outdoor and Indoor(20K) Temp( C) Resistance(kΩ) Temp( C) 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 4.289...
- Page 87 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08 580.6...
- Page 88 GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 Email: gree@gree.com.cn Http://www.gree.com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add: Unit 2612,26/F.,Miramar Tower 132 Nathan Road,TST,Kowloon,HK Tel: (852) 31658898 Fax: (852) 31651029...