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Summary of Contents for Gree GWC36LB-D3NNB2A
- Page 1 Change for Life Service Manual Model: GWC36LB-D3NNB2A (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 Variation Ratio According to 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 ........................5... - Page 3 Service Manual 10. Exploded View and Parts List ..............38 10.1 Indoor Unit ........................38 10.2 Outdoor Unit .........................40 11. Removal Procedure ..................42 11.1 Removal Procedure of Indoor Unit ................42 11.2 Removal Procedure of Outdoor Unit ................51 Appendix: ........................57 Appendix 1: Reference Sheet of Celsius and Fahrenheit ............57 Appendix 2: Configuration of Connection Pipe ..............57 Appendix 3: Pipe Expanding Method ...................58 Appendix 4: List of Resistance for Temperature Sensor ............59...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: GWC36LB-D3NNB2A/I Outdoor Unit: GWC36LB-D3NNB2A/O Remote Controller: YV1FB7 Technical Information... -
Page 5: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet Model GWC36LB-D3NNB2A Product Code CA433000800 Rated Voltage Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity 9670 Heating Capacity Cooling Power Input 3300 Heating Power Input Cooling Power Current Heating Power Current... - Page 6 Service Manual Model of Outdoor Unit GWC36LB-D3NNB2A/O Outdoor Unit Product Code CA433W00800 SHANGHAI HITACHI ELECTRICAL APPLIANCES Compressor Manufacturer/Trademark CO.;LTD. Compressor Model ATH290RN-C9LU Compressor Oil Mineral Oil Compressor Type Rotary L.R.A. Compressor RLA 13.7 Compressor Power Input 3020 Overload Protector UP14SE5215...
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Page 7: Capacity Variation Ratio According To Temperature
Service Manual 2.2 Capacity Variation Ratio According to Temperature Cooling: Conditions Conditions Indoor:DB2 Indoor:DB27°C/WB19°C Indoor air fl Indoor air flow:Super High Pipe length Pipe length:5m Outdoor temp.(°C) Outdoor 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling Pressure of gas pipe Inlet and outlet pipe Fan speed... -
Page 8: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit 1350 Φ70 Φ70 Unit:mm 3.2 Outdoor Unit Unit:mm Technical Information... -
Page 9: 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 exchanger Liquid pipe (condenser) side Valve Capillary Strainer Cooling and heating model Outdoor unit Indoor unit Gas pipe side... -
Page 10: Electrical Part
Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Grounding wire Yellow Brown COMP Compressor Blue Jumper Cap 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 11 Service Manual ● Outdoor Unit SHIELDING SHIELDING SHIELDING TRANSFORMER RESISTOR RESISTOR RESISTOR YEGN TERMINAL BLOCK N(1) OUTROOM OUTTUBE T-PIPE TR-IN TR-OUT W6BK COM-INNER AC-L BK(BN) AP1 PRINTED CIRCUIT BOARD W8BU YEGN COMP POWER CAP. 1/L1 CAP. (BU) W12YE 2/T1 HIGH PRESSURE YEGN SWITCH...
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Page 12: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit ● Top view Name Fan motor capacitor terminal Live wire Fuse Neutral wire Indoor & outdoor unit communication cable terminal Wiring terminal for turbo fan Low fan level terminal Medium fan level terminal High fan level terminal Wring terminal for neutral wire of fan... - Page 13 Service Manual Outdoor Unit ● Top view Input of transformer Terminal for outdoor fan and compressor Output of transformer Terminal for high pressure protection Terminal for low pressure protection Terminal for outdoor ambient temp sensor Terminal for outdoor pipe temp sensor Current mutual-inductor Terminal for communication...
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Page 14: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF button ▲ button MODE button SWING button button FAN button TIMER OFF button CLOCK button TIMER ON button SLEEP button TEMP button TURBO button X-FAN button I FEEL button button... - Page 15 Service Manual HEAT AUTO COOL Technical Information...
- Page 16 Service Manual battery reinstall remove Cover of battery box Technical Information...
- Page 17 Service Manual Technical Information...
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Page 18: Brief Description Of Modes And Functions
Service Manual 6.2 Brief Description of Modes and Functions 1. Summary (1) Buzzer When the controller is energized or receives signal from button (emergency operation switch on air conditioner) or remote controller, the buzzer will give out a beep. (2) Display After energization, all icons will be displayed once. - Page 19 Service Manual ② Display: Operation icon, cooling icon, set temperature. ③ Protection function ◆ Freeze protection During operation, when controller detected that Ttube≤0℃ for a consecutive period of time, the system enters into freeze protection. In that case, the compressor and the ODU fan stop operation, while the IDU operates at set fan speed. If freeze protection is released and the compressor has been out of operation for 3 mins, the unit will resume its previous operation status.
- Page 20 Service Manual ◆Other protection is same as that under cooling mode. (4) Fan mode Operation condition and process for fan mode In fan mode, the IDU fan motor operates at set speed, while the compressor and the ODU fan motor stop. 4-way valve is de-energized (4-way valve is not available for cooling only unit).
- Page 21 Service Manual 3. Other Control Function Introduction (1)Timer function Controller has general timer function and clock timer function. When you select the remote controller with general timer function, only the general timer function of controller can be activated; when you select the remote controller with clock timer, only the clock timer function of controller can be activated.
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Page 22: Special Function
Service Manual ③ When turning off the unit, horizontal louver will close at position O. ④ Swing action is valid only when set swing command and the IDU fan motor is operating. (8) Dual-8 nixie tube display ◆ When the air conditioner is turned on for the first time, dual-8 nixie tube defaulted to display current set temperature. ◆... -
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 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 25: 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 26: Installation Procedures
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... -
Page 27: Installation Parts-Checking
Service Manual 8.2 Installation Parts-checking 8.4 Electric Connection Requirement Name Name 1. Safety Precaution Indoor unit Sealing gum (1) Must follow the electric safety regulations when installing Outdoor unit Wrapping tape the unit. Support of outdoor (2) According to the local safety regulations, use qualified Connection pipe unit power supply circuit and air switch. - Page 28 Service Manual in the holes. 5. Connect the Pipe of Indoor Unit (3) Fix the wall-mounting frame on the wall with tapping screws (1) Aim the pipe joint at the corresponding bellmouth.(As show (ST4.2X25TA) and then check if the frame is firmly installed by in Fig.5) pulling the frame.
- Page 29 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 cordand drain hose with then take down the cover.(As show in Fig.11) 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 30: Installation Of Outdoor Unit
Service Manual 8.6 Installation of Outdoor Unit Refer to the following table for wrench moment of force: 1. Fix the Dupport of Outdoor Unit(select it according to Hex nut diameter(mm) Tightening torque(N.m) the actual installation situation) Φ6 15~20 Φ9.52 30~40 (1) Select installation location according to the house structure. -
Page 31: Vacuum Pumping And Leak Detection
Service Manual (3) The water outlet can't 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 32: Maintenance
Service Manual 9. Maintenance 9.1 Error Code Display Method of Indoor Unit Indicator lamp Possible Causes Malfunction (During blinking, ON for 0.5S A/C Status (For specific maintenance method, please refer to the following Name and OFF for 0.5 S) procedure of troubleshooting) Error Code COOL HEAT... - Page 33 Service Manual 1. The main board and the display panel are not connected well. 2. The OVC terminal on main board is not connected well with the high pressure switch on the complete unit. 3. The wiring of high pressure switch is loosened. 4.
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Page 34: Procedure Of Troubleshooting
Service Manual 9.2 Procedure of Troubleshooting 9.2.1 F1~F5 Malfunction Start Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? Insert the temperature sensor tightly M alfunction is eliminated. Is there short circuit due to trip over of the pa rts? Make the parts upright Malfunction is... -
Page 35: Installation And Maintenance
Service Manual 9.2.2 E1 Malfunction Start Are the display panel and main board Connect the display panel with the main board well Malfunction is eliminated. connected tightly? Are the OVC terminal on the main board connected Connect the OVC terminal on the main board with Malfunction is eliminated. - Page 36 Service Manual 9.2.3 E4 Malfunction Start Check the system; System is abnormal (such as blockage) Problem is solved Eliminate the block- age inside the system Check wiring and Out door uni t’s mo tor is abnormal Problem is solved fan capacitor ; (under cooling mode) replace motor Check the unit to...
- Page 37 Service Manual 9.2.4 E5 Malfunction Troubleshooting for E5 malfunction Is the supply voltage unstable Normal fluctuation is within 10 % of the rated Malfunction is with big fluctuation? voltage on the nameplate eliminated Is the supply voltage too low Malfunction is Adjust the supply voltage to maintain it within Malfunction is with overload?
- Page 38 Service Manual 9.2.5 E6 Malfunction Poor contact any line may lead to communication malfunction Installation and Maintenance...
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Page 39: Maintenance Method For Normal Malfunction
Service Manual 9.3 Maintenance Method 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 40 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 41: Exploded View And Parts List
Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit MODE I F EEL CLOCK TIMER X-FAN TEMP TIMER TURBO SLEEP LIGHT Installation and Maintenance... - Page 42 Service Manual Part Code Description GWC36LB-D3NNB2A/I Product Code CA433N00800 Front Panel Assy 2002215801 Decorative Strip Sub-Assy Stand Bar 2421212001 Filter Sub-Assy 11122106 Front Case Sub-assy 20900700005 Upper Guide Louver 1051216601 Lower Guide Louver 1051216701 Axile Bush 10542704 Air Louver 2...
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Page 43: Outdoor Unit
Service Manual 10.2 Outdoor Unit Installation and Maintenance... - Page 44 Service Manual Part Code Description GWC36LB-D3NNB2A/O Product Code CA433W00800 Axial Flow Fan 10335014 Fan Motor 1501506203 Capacitor 3300008107 Main Board 30135843 Capacitor CBB61 3301074714 AC Contactor 44010256 Transformer 4311023601 Terminal Board 4201025801 Electric Box Assy 10000203124 Left Side Plate 01305043P...
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Page 45: Removal Procedure
Service Manual 11. Removal Procedure Warning: Be sure to discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Steps Procedure 1.Before disassembly of the unit Axonometric drawing for the complete unit. 2.Remove filter panel Open the panel. Loosen the clasps on the filter. - Page 46 Service Manual Steps Procedure 3.Remove display display Remove screws fixing display, and then remove the display. 4.Remove panel clasps Pull the clasps at both sides slightly, and then remove the panel. panel 5.Remove horizontal louver Remove the axial bush on the horizontal louver, and then remove the horizontal louver.
- Page 47 Service Manual Steps Procedure 6.Remove top cover of electric box Remove screws fixing the top cover of electric box. screw Remove the top cover of electric box. top cover of electric box screw caps 7.Remove front case Remove the screw caps on front case. screws Remove screws connecting the front case.
- Page 48 Service Manual Steps Procedure 8.Remove earthing wire screws Remove earthing screws, and then remove the earthing wire. 9.Remove electric box cover clasps Loosen clasps at the left side of electric box. Loosen clasps on the right side of electric box. clasps electric box cover Remove electric box cover.
- Page 49 Service Manual Steps Procedure 10.Remove temperature sensor Pull out the indoor temperature sensor. temperature sensor 11.Remove electric box Pull out 6 sockets on PCB board. Pull out two screws on electric box. screws electric box Remove the electric box. Installation and Maintenance...
- Page 50 Service Manual Steps Procedure 12.Remove water tray water tray Pull the water tray upwards, and then remove the water tray. 13.Remove connection pipe between indoor and outdoor units Separate the connection pipe between indoor and outdoor units. connection position for indoor and outdoor units' connection pipe 14.Remove pipe-stopping plate Remove two screws on pipe-stopping plate for indoor unit, and then remove the pipe-stopping...
- Page 51 Service Manual Steps Procedure 16.Remove evaporator screws Remove screws between evaporator and bottom case. Turn over the indoor unit and adjust the pipe line to the position as shown by the broken line. Lift up the evaporator, and then remove the evaporator.
- Page 52 Service Manual Steps Procedure 18.Remove cross flow blade and motor blade motor Remove screws fixing cross flow blade and motor. Remove the motor sub-assy. Separate two cross flow blade. Installation and Maintenance...
- Page 53 Service Manual Steps Procedure 19.Remove cushion rubber Remove the cushion rubber on cross flow blade. cushion rubber Remove the cushion rubber from the base. Installation and Maintenance...
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Page 54: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit 1.Remove top cover and front side plate top cover Remove the screws connecting the top cover with the front panel, the left side plate and the right side plate. Remove the top cover. Remove the screws connecting the front panel with the front case and the chassis. - Page 55 Service Manual front panel Remove the screws connecting the front panel with the chassis and the motor support. Remove the front panel. 3.Remove the rear grille rear grille Remove the screws connecting the rear grille with the left side plate and the right side plate. Remove the rear grille．...
- Page 56 Service Manual 5.Remove electric box subassembly electric box Remove the screws connecting the electric box subassembly and the isolation sheet. Remove the electric box subassembly. 6.Remove right side plate subassembly Remove the screws connecting the right side plate right side plate with the chassis, the valve support and the condenser subassembly.
- Page 57 Service Manual 8.Remove the left side plate Remove the screws connecting the left side plate and the chassis. Remove the left side plate. left side plate 9.Remove axial flow blade Remove the nut on the axial flow blade. Remove the blade. axial flow blade 10.Remove the motor Remove the tapping screws fixing the motor.
- Page 58 Service Manual 11.Remove the motor support motor support Remove the tapping screws fixing the motor support. Raise the motor support to remove it. 12.Remove the valve subassembly Remove the 2 bolts fixing the valve subassemblies. Unsolder the welding joint connecting the gas valve and the return air pipe.
- Page 59 Service Manual 14.Remove the isolation sheet Remove the screws connecting the isolation sheet with the side board of condenser subassembly and the chassis. Remove the isolation sheet. isolation sheet 15.Remove support plate (condenser) Remove the screws connecting the support plate (condenser) and the condenser subassembly.
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Page 60: 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 61: 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 62: 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 63 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor(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 64 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 65 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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