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Summary of Contents for GREE ELECTRIC GWH07ACA-K3NNA1A
- Page 1 Change for Life Service Manual Models: GWH07ACA-K3NNA1A GWH09ACA-K3NNA1A (Refrigerant R410A) GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
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Page 2: Table Of Contents
Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................2 2.1 Specification Sheet ......................2 2.2 Capacity Curve in Different Outdoor Temperature ............4 2.3 Cooling and Heating Data Sheet in Rated Frequency .............4 3. Outline Dimension Diagram ................5 3.1 Indoor Unit ........................5 3.2 Outdoor Unit ........................6... - Page 3 Service Manual 10. Exploded View and Parts List ..............39 10.1 Indoor Unit ........................39 10.2 Outdoor Unit .........................44 11. Removal Procedure ..................46 11.1 Removal Procedure of Indoor Unit ................46 11.2 Removal Procedure of Outdoor Unit ................51 Appendix: ........................56 Appendix 1: Reference Sheet of Celsius and Fahrenheit ............56 Appendix 2: Configuration of Connection Pipe ..............56 Appendix 2: Pipe Expanding Method ...................57 Appendix 4: List of Resistance for Temperature Sensor ............58...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: GWH07ACA-K3NNA1A/I GWH09ACA-K3NNA1A/I Outdoor Unit: GWH07AAA-K3NNA1A/O GWH09AAA-K3NNA1A/O Remote Controller: YAW1F Technical Information... -
Page 5: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet Model GWH07ACA-K3NNA1A GWH09ACA-K3NNA1A CA497000400/CA497000401 CA497000300/CA497000301 Product Code CA497000302/CA497000303 CA497000402/CA497000403 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Indoor Cooling Capacity 2250 2550 Heating Capacity 2350 2650 Cooling Power Input... - Page 6 Service Manual Model of Outdoor Unit GWH07AAA-K3NNA1A/O GWH09AAA-K3NNA1A/O Product Code of Outdoor Unit CA115W13600 CA115W14400 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO.,LTD CO.,LTD Compressor Model QXA-A081A130A QXA-M094T130 Compressor Oil RB68EP/FVC68D/FV50S RB68EP or equivalent Compressor Type Rotary Rotary L.R.A. Compressor RLA 3.25 Compressor Power Input...
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Page 7: Capacity Curve In Different Outdoor Temperature
Service Manual 2.2 Capacity Curve in Different Outdoor Temperature Cooling Heating Condition Condition Heating °C °C Indoor:DB27 WB19 Indoor:DB20 °C Indoor air flow: Super High Indoor air flow: Super High Pipe length:5m Pipe length:5m -7 -5 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Outdoor temp.( ) Outdoor temp.( ) °C... -
Page 8: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Φ55 Φ55 Unit:mm Models 07/09K(ACA) Technical Information... -
Page 9: Outdoor Unit
Service Manual 3.2 Outdoor Unit Unit:mm Technical Information... -
Page 10: Refrigerant System Diagram
side Valve Capillary Strainer Service Manual 4. Refrigerant System Diagram COOLING Cooling and heating model Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary... -
Page 11: 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 GWH07ACA-K3NNA1A/I(CA497N00300/CA497N00301) GWH09ACA-K3NNA1A/I(CA497N00400/CA497N00401) 63632201 Technical Information... - Page 12 Service Manual GWH07ACA-K3NNA1A/I(CA497N00302/CA497N00303) GWH09ACA-K3NNA1A/I(CA497N00402/CA497N00403) 6363220101 ● Outdoor Unit 61413350 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
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Page 13: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram ● Top view Name Wiring terminal of compressor Terminal of live wire Fuse Fan capacitor Neutral wire terminal of cold plasma Terminal of neutral wire Wiring terminal of PG motor Live wire terminal for cold plasma Wiring terminal of outdoor fan (heat pump unit) Wiring terminal of 4-way valve... -
Page 14: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller On/Off button Mode button Fan button ▲/ button Swing button Sleep button Temp button Turbo button I Feel button Timer button X-Fan button Light button Icon Display on Remote Controller Temp. - Page 15 Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *, as the following: * Note: Only for models with heating function.
- Page 16 Service Manual TEMP button Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit’s display. The setting on remote controller is selected circularly as below: no display TURBO button Press this button to activate / deactivate the Turbo function. 9.
- Page 17 Service Manual WIFI Function Press this button to turn on the unit. Press this button again to turn off the unit. Press "MODE" and "TURBO" button simultaneously to turn on or turn off WIFI function. When WIFI function is turned on, the " "...
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Page 18: Brief Description Of Modes And Functions
Service Manual 6.2 Brief Description of Modes and Functions Display Receiver Operation icon Cooling icon window Dual-8 nixie Heating icon Drying icon tube display (Display content or position may be different from above graphics, please refer to actual products) Start cooling Tamb. - Page 19 Service Manual Freeze protection period 3 min Compressor Outdoor fan motor Indoor fan motor Set fan speed amb. Cooling preset Drying preset- Stop 6 min 6min. 4min. 4min. Compressor Outdoor fan motor Indoor fan motor Low speed Technical Information...
- Page 20 Service Manual Stop heating preset Original operating status preset Start heating min. Compressor Outdoor unit Intdoor unit Set fan speed Set fan speed min. min. Reversing valve or 56℃ Technical Information...
- Page 21 Service Manual Emergency Press OFF status ON status(Auto mode) operation switch Press O(0°) Technical Information...
- Page 22 Service Manual Indoor ambient temperature sensor is open/short-circuited Indoor evaporator temperature sensor is open/short-circuited Blocked protection of IDU fan motor Malfunction protection of jumper cap Zero-crossing inspection circuit malfunction of the IDU fan motor Lack of refrigerant or block protection for the system(not applicable to residential air conditioner) Overload malfunction No display for some models...
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Page 23: 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 24 Service Manual To ensure safety, please be mindful of the following precautions. ●When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
- Page 25 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 26: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe Installation and Maintenance... - Page 27 Service Manual 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...
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Page 28: Installation Parts-Checking
Service Manual 8.2 Installation Parts-Checking 8.4 Requirements for electric connection 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 29 Service Manual (3) Fix the wall-mounting frame on the wall with tapping screws 5. Connect the Pipe of Indoor Unit (ST4.2X25TA) and then check if the frame is firmly installed by (1) Aim the pipe joint at the corresponding bellmouth.(As show pulling the frame.
- Page 30 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose then take down the cover.(As show in Fig.11) with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord for installation when binding them.
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Page 31: Installation Of Outdoor Unit
Service Manual 8.6 Installation of Outdoor unit Refer to the following table for wrench moment of force: Tightening torque(N . m) 1. Fix the Support of Outdoor Unit(Select it according to Hex nut diameter(mm) the actual installation situation) Φ6 15~20 Φ9.52 30~40 (1) Select installation location according to the house structure. -
Page 32: Vacuum Pumping And Leak Detection
Service Manual (3) The water outlet cant be placed in water in order to drain 8.8 Check after Installation and Test smoothly.(As show in Fig.27) operation 1. Check after Installation Check according to the following requirement after finishing installation. The drain hose can't be fluctuant Items to be checked Possible malfunction Has the unit been... -
Page 33: Maintenance
Service Manual 9. Maintenance 9.1 Error code Display Method Possible Causes(For specific maintenance Malfunction of Indoor Unit A/C Status method, please refer to the following procedure of Name troubleshooting) (Error Code) 1.The wiring terminal between indoor ambient temperature The unit will stop operation as it sensor and main board is loosened or poorly contacted;... - Page 34 Service Manual Zero-crossing 1.Quick de-energization and energization. Wrong inspection judgement by the controller because the electric- circuit Operation of remote controller or control discharging of capacitor is slow. malfunction panel is available, but the unit won’t act. 2.Zero-crossing inspection circuit of main board for of the IDU fan controller is abnormal.
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Page 35: Procedure Of Troubleshooting
Service Manual 9.2 Procedure of Troubleshooting 1. Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●... - Page 36 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor can't operate? ●...
- Page 37 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ●...
- Page 38 Service Manual 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn...
- Page 39 Service Manual 5. High Temperature and Overload Protection (AP1 below means control board of outdoor unit) E8 Start Normal protection, please use it Unit restarts If the outdoor ambient temperature is after improving the outdoor ambient normally higher than 53°C? temperature Improve the radiating environment of Unit restarts...
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Page 40: Maintenance Method For Normal Malfunction
Service Manual 9.3 Maintenance method for normal malfunction 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery. - Page 41 Service Manual 4. ODU Fan Motor Cant 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 42: Exploded View And Parts List
Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) AcDbMLeader (ACDB_MLEADER_CLASS) - Page 43 Service Manual Part Code Description GWH07ACA-K3NNA1A/I Product Code CA497N00300 CA497N00301 Front Panel 200003000129T01 20000300012901K01 Display Board 300001000202 300001000209 Filter Sub-Assy 11122472 11122472 Front Case Assy 000002000042 00000200004201 Axile Bush 10542036 10542036 Helicoid Tongue 200006000001 200006000001 Left Axile Bush 10512037 10512037...
- Page 44 Service Manual Part Code Description GWH07ACA-K3NNA1A/I Product Code CA497N00302 CA497N00303 Front Panel 20000300012901K01 200003000129T01 Display Board 300001000209 300001000202 Filter Sub-Assy 11122472 11122472 Front Case Assy 00000200004201 000002000042 Axile Bush 10542036 10542036 Helicoid Tongue 200006000001 200006000001 Left Axile Bush 10512037 10512037...
- Page 45 Service Manual Part Code Description GWH09ACA-K3NNA1A/I Product Code CA497N00400 CA497N00401 Front Panel 200003000129T01 20000300012901K01 Display Board 300001000202 300001000209 Filter Sub-Assy 11122472 11122472 Front Case Assy 000002000042 00000200004201 Axile Bush 10542036 10542036 Helicoid Tongue 200006000001 200006000001 Left Axile Bush 10512037 10512037 Rear Case assy 000001000062 000001000062...
- Page 46 Service Manual Part Code Description GWH09ACA-K3NNA1A/I Product Code CA497N00402 CA497N00403 Front Panel 200003000129T01 20000300012901K01 Display Board 300001000202 300001000209 Filter Sub-Assy 11122472 11122472 Front Case Assy 000002000042 00000200004201 Axile Bush 10542036 10542036 Helicoid Tongue 200006000001 200006000001 Left Axile Bush 10512037 10512037 Rear Case assy 000001000062 000001000062...
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Page 47: 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 48 Service Manual Part Code Description GWH07AAA-K3NNA1A/O GWH09AAA-K3NNA1A/O Product Code CA115W13600 CA115W14400 Front Grill 22263002 22263002 Cabinet 01533255P 01533255P Fan Motor 1501315604 1501315604 Chassis Sub-assy 017000000107 017000000112P Drainage Connecter 06123401 06123401 Compressor and Fittings 009001000075 009001000025 Magnet Coil 4300040047 4300040047 4-Way Valve 430004022 430004022 4-Way Valve Assy...
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Page 49: Removal Procedure
Service Manual 11. Removal Procedure Caution: discharge the refrigerant 11.1 Removal Procedure of Indoor Unit completely before removal. Step Procedure 1. Remove filter Panel Open the panel. Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them. - Page 50 Service Manual Step Procedure Panel 3. Remove panel Display Screws Open the front panel; separate the panel rotation shaft from the groove fixing the front panel and then removes the front Front panel panel. Note: The display of some models is fixed on the panel;...
- Page 51 Service Manual Step Procedure Cold plasma generator 6. Remove electric box assy Screws Loosen the connection clasps between Cold plasma generator and electric box, and then remove the cold plasma generator. Electric box Step motor Clasps Grounding Indoor tube screw temperature sensor Electric box assy ①...
- Page 52 Service Manual Step Procedure 7. Remove evaporator assy Remove 3 screws fixing evaporator assy. Screws Connection pipe clamp At the back of the unit, Loosen the clasp,connection pipe clamp and then remove the connection pipe clamp. Clasp Groove Rear Case assy First remove the left side of evaporator from Clasp the groove of bottom shell and then remove...
- Page 53 Service Manual Step Procedure 8. Remove motor and cross flow blade Remove 3 screws fixing motor clamp and then remove the motor clamp. Motor clasp Screws Cross flow Remove the at the connection place of Motor cross flow blade and motor; lift the motor and cross flow blade upwards to remove them.
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Page 54: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Step Procedure 1. Remove big handle Remove the screw fixing big handle; slide out the big handle upwards to make the Right side plate clasp of big handle separate from the groove of right side plate, and then remove the big handle. - Page 55 Service Manual Step Procedure 4. Remove right side plate Protective grille Remove the screws fixing right side plate and then remove the right side plate. Right side plate Cut off the wire binder fixing the protective grille and then remove the protective grille. Screws Screws Screws...
- Page 56 Service Manual Step Procedure 7. Remove motor Motor Remove the screws fixing motor and then remove the motor. Screws 8. Remove motor support Motor support Remove the screws fixing motor support and then remove the motor support. Screws 9. Remove clapboard and soundproof sponge Clapboard Screws Remove the screws fixing clapboard and...
- Page 57 Service Manual Step Procedure 10. Remove magnetic coil Magnetic coil Remove one screw on magnetic coil, and then remove the magnetic coil. Screw 11. Remove gas valve and liquid valve Unsolder the spot weld between capillary with valve and condenser; remove two screws fixing the gas valve;...
- Page 58 Service Manual Step Procedure 13. Remove valve support Screw off the screw fixing the valve support and then remove the valve support. Valve support Screw 14.Remove compressor Compressor Remove 3 foot nuts on compressor, and then remove the compressor. Note: Protect the ports of discharge pipe and suction pipe to avoid foreign objects to enter it.
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Page 59: 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 60.8 69/70 69.8 78/79 78.8 62/63... -
Page 60: Appendix 2: Pipe Expanding Method
Service Manual Appendix 2: 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 61: 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 (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 62 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...
- Page 63 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...
- Page 64 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...