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 ............. 6 2.3 Cooling and Heating Data Sheet in Rated Frequency ............6 3.
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Service Manual 10. Exploded View and Parts List ..............44 10.1 Indoor Unit ......................... 44 10.2 Outdoor Unit ........................46 11. Removal Procedure .................... 52 11.1 Removal Procedure of Indoor Unit ..................52 11.2 Removal Procedure of Outdoor Unit ................. 57 Appendix: ..........................
Service Manual 2. Specifications 2.1 Specification Sheet Model GWC05AAA-K6NNA5B GWC07AAB-K6NNA5B Product Code CA488000800 CA488000700 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Indoor Cooling Capacity Btu/h 4850 6880 Heating Capacity Cooling Power Input Heating Power Input...
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Service Manual Model of Outdoor Unit GWC05AAA-K6NNA5B/O GWC07AAB-K6NNA5B/O Product Code of Outdoor Unit CA488W00800 CA488W00700 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer/Trademark COMPRESSOR CO.,LTD COMPRESSOR CO.,LTD Compressor Model QXF-A040L130 QXF-A058D130 Compressor Oil Compressor Type Rotary Rotary L.R.A. Compressor RLA 2.05 Compressor Power Input...
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Service Manual Model GWC09AAB-K6NNA5B Product Code CA488000600 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity (Btu/h)/W 9000 Heating Capacity Cooling Power Input Heating Power Input Cooling Power Current Heating Power Current Rated Input Rated Current Air Flow Volume(SH/H/M/L/SL) 530/480/430/370/- Dehumidifying Volume...
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Service Manual Model of Outdoor Unit GWC09AAB-K6NNA5B/O Product Code of Outdoor Unit CA488W00600 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-M082T130 Compressor Oil Compressor Type Rotary L.R.A. Compressor RLA 2.86 Compressor Power Input Overload Protector Throttling Method Capillary Operation Temp 16~30 Ambient Temp (Cooling) 18~43...
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:7.5m Pipe length:7.5 m -7 -5 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Outdoor temp.( ) Outdoor temp.( ) °C...
Service Manual 4. Refrigerant System Diagram Cooling model Outdoor unit Indoor unit Gas pipe side Valve Di s charge Heat exchanger (evaporator) Suction Accumlator Compressor Heat exchanger Liquid pipe (condenser) side Valve Capillary Strainer COOLING Connection pipe specification: Liquid pipe:1/4" (6mm) Gas pipe:3/8"...
Service Manual 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. ●...
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Service Manual ● Outdoor Unit NOTE: COMP. Motor ground only applies to the iron COMP YEGN shell motor. MOTOR R(M) YEGN YEGN TERMINAL BLOCK N(1) BU(BK) BK(BN) OUTTUBE CONNECTOR TEMP. SENSOR JST ELR-02V JST ELP-02V 600007000064 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
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...
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF Button MODE Button +/- Button FAN Button Button CLOCK Button TIMER ON/TIMER-OFF Button X-FAN Button TEMP Button TURBO Button LIGHT Button SLEEP Button Introduction for Icons on Display Screen Operation mode Operation mode Set fan speed...
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Service Manual When selecting auto mode, Air conditioner will start auto operation according to indoor ambient temperature.Set temperature can’t be adjusted and will not be displayed as well. Press "FAN" button can adjust fan speed. Press " " button can adjust fan blowing angle. After selecting cool mode, air conditioner will operate under cool mode.
Service Manual controller blinks. Press "+" or "-"button to adjust TIMER ON setting. After each pressing "+" or "-"button, TIMER ON setting will increase or decrease 1min. Hold "+" or "-"button, 2s later, the time will change quickly until reaching your required time. Press “ TIMER ON”to confi rm it. The word “ON" will stop blinking. " "...
Service Manual Operation Guide 1. After putting through the power, press “ON/OFF” button on remote controller to turn on the air conditioner. 2. Press "MODE" button to select your required mode:AUTO,COOL,DRY,FAN,HEAT. 3. Press “+” or “-“ button to set your required temperature. (Temperature can’t be adjusted under auto mode).
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.
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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...
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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...
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Service Manual Emergency Press OFF status ON status(Auto mode) operation switch Press O(0°) Technical Information...
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Service Manual Indoor ambient temperature sensor is open/short-circuited Indoor evaporator temperature sensor is open/short-circuited Outdoor condenser 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...
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.
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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.
Service Manual Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man ●All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.
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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.
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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.
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...
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...
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.
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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.
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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.
Service Manual Refer to the following table for wrench moment of force: 8.6 Installation of Outdoor unit Tightening torque(N . m) Hex nut diameter(mm) 1. Fix the Support of Outdoor Unit(Select it according to Φ6 15~20 the actual installation situation) Φ9.52 30~40 (1) Select installation location according to the house structure.
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...
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;...
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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.
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? ●...
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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? ●...
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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? ●...
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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...
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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...
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.
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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...
Service Manual 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...
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Service Manual Part Code Description GWC05AAA-K6NNA5B/I GWC07AAB-K6NNA5B/I GWC09AAB-K6NNA5B/I Product Code CA488N00800 CA488N00700 CA488N00600 Front Panel 200003000116T01 200003000117T01 200003000117T01 Display Board 300001000041 300001000041 300001000041 Front Case 20000200000601 20000200000701 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000001 200006000002 200006000002 Left Axile Bush...
Service Manual 10.2 Outdoor Unit The component is only for reference;please refer to the actual product. Installation and Maintenance...
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Service Manual Part Code Description GWC05AAA-K6NNA5B/O Product Code CA488W00800 Front Grill 22413030 Front Panel 0153305401 Chassis Sub-assy 02803229P Clapboard Sub-Assy 01233207 Compressor and Fittings 009001000197 Inhalation Tube Sub-assy 030010000508 Discharge Tube 035008001063 Valve Support 01713041 Valve 07100005 Valve 07100003 Big Handle...
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Service Manual The component is only for reference;please refer to the actual product. Installation and Maintenance...
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Service Manual Part Code Description GWC07AAB-K6NNA5B/O Product Code CA488W00700 Front grill 22413027 Front Panel 0220010000102 Chassis Sub-assy 01700000015301 Compressor and fittings 009001000198 Compressor Gasket 76710302 Inhalation Tube 030010000510 Discharge Tube 035008001064 Capillary Sub-Assy 030006000491 Valve 07100005 Valve 07100003 Big Handle 2623343106 Valve Support 0170308901P...
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Service Manual The component is only for reference;please refer to the actual product. Installation and Maintenance...
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Service Manual Part Code Description GWC09AAB-K6NNA5B/O Product Code CA488W00600 Axial Flow Fan 10333011 Fan Motor 150130676 Electric Box Assy 100002002457 Terminal Board 420001000001 Capacitor CBB65 33000081 Capacitor CBB61 3301074710 Left Side Plate 01303200P Top Cover Plate 01253443 Motor Support 01703136 Clapboard Sub-Assy 01235093 Condenser Assy...
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.
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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;...
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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...
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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...
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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.
Service Manual 11.2 Removal Procedure of Outdoor Unit Note:4-way valve is not available for this model. 3. Remove outer case Remove the screws fixing the outer case and then remove the outer case. Outer case Installation and Maintenance...
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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...
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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...
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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;...
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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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Service Manual Note:4-way valve is not available for this model. 1. Before disassembly 2. Remove big handle screw Remove the connection screw fixing the big handle and then remove the handle. big handle 3. Remove top panel screws top panel Remove connection screws connecting the top panel with the front panel and the right side plate, and then remove the top panel.
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Service Manual 4. Remove front grille Remove connection screws between the front grille and the front panel. Then remove the front grille. front grille 5. Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel.
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Service Manual Steps Procedure 8. Remove motor and motor support motor support Remove the 4 tapping screws fixing the motor and disconnect the leading wire insert of the motor. Then remove the motor. Remove the 2 tapping screws fixing the motor support and lift the motor support to remove it.
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Service Manual Steps Procedure 12. Remove magnet coil magnet coil Remove the screw fixing the magnet coil and then remove the coil. 13. Remove valves and 4-way valve subassembly 4- wa y valv e Unsolder welding joint connecting the capillary, the valve and the outlet pipe of condenser to remove the capillary.
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Service Manual Step Procedure 1. Remove handle and valve cover Handle Remove the screw fixing handle and then remove the handlel. Remove the screws fixing valve cover and then remove the h valve cover. Screws Valve cover 2. Remove top panel Screws Remove the screws fixing top panel and then remove the top panel.
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Service Manual Step Procedure Front panel 4. Remove front panel Remove the screws of panel and then remove the front panel. Screws 5. Remove right side plate Remove the screws fixing right side plate and then remove the right side plate. Screws 6.
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Service Manual Step Procedure 8.Remove electric box assy Remove the screws fixing electric box Screws assy; cut off the tieline; pull out each wiring terminal; lift the electric box assy Electric box assy upwards to remove it. Note: When pulling out the wiring terminal, pay attention to loose the clasp and don’t pull it so hard.
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Service Manual Step Procedure 11. Remove discharge and inhalation tube sub-assy, capillary sub-assy Spot Unsolder the spot weld of discharge Discharge tube and inhalation tube sub-assy, capillary, sub-assy compressor and condenser, and then remove Inhalation tube the discharge and inhalation tube sub-assy sub-assy Capillary sub-assy and capillary sub-assy.
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Service Manual Step Procedure 14.Remove left side plate Left side plate Remove the screws fixing left side plate and then remove the left side plate. Screws 15.Remove condenser Condenser Remove the screws fixing condenser and then remove the condenser. Screw Installation and Maintenance...
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...
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. ●...
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...
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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...
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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...
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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...
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