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Summary of Contents for Gree GDN40AU-K3EBA1A
- Page 1 Service Manual Change for Life Service Manual Models: GDN40AU-K3EBA1A GDN40AW-K3EBA1A (Refrigerant:R410A) GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
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Page 2: Table Of Contents
Service Manual Table of Contents Part : Technical Information ............1 1.Summary ...................... 1 ................... 2 3.Outline Dimension Diagram .............. 3 4.Refrigerant System Diagram ............4 5.Electrical Part .................... 5 5.1 Wiring Diagram ................... 5 5.2 PCB Printed Diagram.................. 7 6.Function and Control ................ -
Page 3: Part : Technical Information
Service Manual Part : Technical Information 1.Summary GDN40AU-K3EBA1A GDN40AW-K3EBA1A Technical Information... - Page 4 Service Manual Model GDN40AU-K3EBA1A GDN40AW-K3EBA1A Product Code CK051024400 CK051024500 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Pint/D Power Input Current Input 2.65 2.65 Set Humidity Range 30/80 30/80 Air Flow Volume (H/M/L) 230/195/170 230/195/170 Fan Motor Speed (H/M/L)
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Page 5: Outline Dimension Diagram
Service Manual 3.Outline Dimension Diagram GDN40AU-K3EBA1A Unit:mm GDN40AW-K3EBA1A Unit:mm Technical Information... -
Page 6: Refrigerant System Diagram
Service Manual 4.Refrigerant System Diagram evaporator air in capillary air out condenser fan motor compressor dehumidifying the air by using this principle. During operation of the system, air will pass through evaporator and condenser in turn and then be discharged due to centrifugal blade. -
Page 7: Electrical Part
Service Manual 5.Electrical Part 5.1 Wiring Diagram 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 GDN40AU-K3EBA1A 63610000380 Technical Information... - Page 8 Service Manual GDN40AW-K3EBA1A 63610000330 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 9: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Silk Screen on Main Board Top view Name Fuse Interface of display board Compressor interface without overcurrent Compressor interface withovercurrent Current mutual-inductor Fan interface Connect neutral wire Piezoresistor Drive relay of compressor High-frequency transformer Bottom view Technical Information... - Page 10 Service Manual Silk Screen on Display Board GDN40AU-K3EBA1A GDN40AU-K3EBA1A Top view Name Interface of main board Interface of stepping motor Interface of temperature sensor Reserved interface of discharge temperature sensor Nixie tube Interface of inspection board for temperature and environment...
- Page 11 Service Manual GDN40AW-K3EBA1A GDN40AW-K3EBA1A Top view Name Boards connection interface for connection board Interface of stepping motor Interface of tube temperature sensor Nixie tube Interface of temperature and humidity sensor Water level inspection interface Bottom view Technical Information...
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Page 12: Function And Control
Service Manual 6.Function and Control 6.1 Control panel instruction GDN40AU-K3EBA1A Dehumidify mode indicator Bucket Full Indicator Filter Cleaning Display Window Indicator Speed Indicator Timer Indicator Indicator Filter Water High Clean ON/OFF Smart Cont Timer ON/OFF Full Mode Timer Humidity ON/OFF Notes:1.Water bucker must be correctly installed for operation. - Page 13 Service Manual GDN40AW-K3EBA1A Bucket Full Dehumidify Mode Timer Indicator Indicator Indicator Display Window Speed Indicator Wind Direction Indicator Fixed Water Full Swing Angle Smart Cont Quiet Dry Timer ON/OFF High Med Low Wind Filter Clean Mode Timer Humidity Direc Filter Cleaning Indicator Notes:1.Water bucker must be correctly installed for operation.
- Page 14 Service Manual 6.2 Introduction of Basic Mode Function . Basic function 1. Smart dehumidify time, , the set humidity is 60%; when 20 , the set humidity is 50%; when Tamb.>27 , the set humidity is 40%. Afterwards, if user adjusts the humidity, the unit will operate at the humidity set by user. compressor operates and the fan operate at the set speed;...
- Page 15 Mode button use for setting dehumidify mode (smart, continuous, quiet, clothes-drying). Speed button: used for setting fan speed high, medium, low). 2. LED display (GDN40AU-K3EBA1A) continues, clothes-drying); Speed indicator: display current fan speed (high, medium, low) (fan speed won’t be displayed under quiet or clothes-drying mode);...
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Page 16: Part : Maintenance
Service Manual Part : Maintenance Refrigerant Safety Precautions: 1. Avoid contact between refrigerant and fire as it 7.Notes Maintenance generates poisonous gas. Recycle the refrigerant inside the unit completely before welding pipes. Safety Precautions: 2. Apply specified refrigerant only. Never have it Important! mixed with any other refrigerant. - Page 17 Service Manual Main Tools for Maintenance 3. Open-end wrench, inner hexagon spanner 1. Electroprobe 2. Screw driver 4. Electronic leakage detector 6. Pressure meter 5. Vacuum pump 8. Soldering appliance, refrigerant container 7. Universal meter Maintenance...
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Page 18: Maintenance
Service Manual 8.Maintenance 8.1 Error code Malfunction Nixie tube display Unit status Possible Causes Name 1. The wiring terminal between ambient temperature sensor and main board is loosened or poorly contacted; Malfunction of 2. There’s short circuit due to trip-over of the parts on ambient temp. - Page 19 Service Manual 8.2 Malfunction Detection Flowchart 1. Malfunction of temperature sensor F1, F2 Start Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to trip over of the par ts? Make the parts upright Malfunction is...
- Page 20 Service Manual 2. Malfunction of humidity sensor L1 Trouble shooting for malfunction of humidity sensor Humidity sensor is not connected well with mainboard check the connection Is malfunction eliminated? The foot of humidity sensor is short-circuit or the display board is short circuit Eliminate short circuit phenomenon...
- Page 21 Service Manual 8.3 Maintenance method for common malfunction 1.The unit can not start up Possible causes Discriminating method Troubleshooting No power supply, or poor After energization, operation indicator isn’t bright wait for power recovery. If not, check power connection for power plug supply circuit and make sure the power plug is connected well.
- Page 22 Service Manual 4. Compressor can't operate Possible causes Discriminating method 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 Compressor relay on the mainboard is broken or the Check if the relay is sucked in cooling mode Replace the mainboard with the same model...
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Page 23: Exploded View And Parts List
Service Manual 9.Exploded View and Parts List GDN40AU-K3EBA1A The component picture is only for reference; please refer to the actual product. Maintenance... - Page 24 Service Manual Part Code Description GDN40AU-K3EBA1A Product Code CK051024400 Front Panel 20006223 Lower Sealplate 26116538 Filter Sub-Assay 1112603001 Front Panel Clip 2625600214 Front Case Assy 00000200082 Front Case Sub-Assy 20900700016 Display Board 300001000059 Display Box 20116072 Top Cover 22246535 Temperature Sensor (20KT)
- Page 25 Service Manual Capacitor CBB61S 3301074702 Capacitor CBB65 33000081 Capacitor Clamp 02141381 Main Board 30131489 Electric Box Cover Sub-Assy 00001300016 Above data is subject to change without notice. Maintenance...
- Page 26 Service Manual GDN40AW-K3EBA1A The component picture is only for reference; please refer to the actual product. Maintenance...
- Page 27 Service Manual Part Code Description GDN40AW-K3EBA1A Product Code CK051024500 Shield Sub-Assy 00016700003 Lower Sealplate 26116535 Filter Sub-Assy 11126030 01356000260 Supporting Strip Sub-Assy 000193000005 Supporting Strip 24216510 Display Board 300001000058 Display Box 20116075 Decorative Circle 20196058 Top Plate 01256507B Temperature Sensor (20KT) 390000595 Front Panel Clip 26256002...
- Page 28 Service Manual Capacitor CBB65 33000081 Capacitor CBB61S 3301074702 Electric Box Cover Sub-Assy 00001300016 Above data is subject to change without notice. Maintenance...
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Page 29: Removal Procedure
Service Manual 10. Removal Procedure Warning: disconnect power supply before removal; discharge the refrigerant completely before unsoldering the pipes. GDN40AU-K3EBA1A Step Procedure 1. Remove water tank Hold the holding position at both sides of water tank with both hands to pull it outwards and then remove the water tank. - Page 30 Service Manual Step Procedure 4. Remove lower sealing plate clasps Remove 4 screws on lower sealing plate, lift it upwards to let it separate from upper 3 clasps,and then remove the lower sealing plate. screw lower sealing plate 5. Remove rear cover Remove 6 screws at the back of the case, hold both sides of rear cover, pull it outwards and then remove the rear cover.
- Page 31 Service Manual Step Procedure 7. Remove front case screw Remove 2 screws at the front of the front case,2 screws at both sides and 6 screws at the back side to let connection wires of discharge temperature sensor and display front case board separate from all groves.
- Page 32 Service Manual Step Procedure 10.Remove grille Remove 1 screw fixing grille, hold both Side of grille and then pull it outwards grille to Remove it. screw 11.Remove air duct Remove 3 screws fixing the water tray and 3 screws fixing condenser and evaporator, screw air duct lift up the air duct and then remove it...
- Page 33 Service Manual Step Procedure 13.Remove centrifugal blade Remove nut and 2 gasket fixing the blade centrifugal blade at the motor shaft terminal, take out gasket the blade along the motor shaft and then remove the blade sub-assy. gasket 14.Remove motor screw Remove 3 screws fixing the motor and then remove the motor.
- Page 34 Service Manual Step Procedure 16. Remove condenser and evaporator Unsolder the spot weld between suction pipe, condenser and evaporator discharge pipe and evaporator, condenser, and remove suction pipe and discharge pipe. Unsolder the spot weld between capillary sub-assy and condenser, evaporator, and then remove capillary sub-assy.
- Page 35 Service Manual Step Procedure 19. Remove liquid level switch sub-assy screw Remove one screw fixing the liquid level clasp switch. Loose 4 clasos connecting the water tray, and then remove the liquid level switch sub-assy. liquid level switch sub-assy 20.Remove suction pipe sub-assy, discharge pipe sub-assy suction pipe sub-assy Unsolder suction pipe and discharge pipe from the welding position of suction outlet...
- Page 36 Service Manual Step Procedure 22.Remove compressor and its fittings Remove 2 nuts fixing the compressor, lift up the compressor and then remove the compressor. compressor 23.Remove castor chassis Pull out 4 castors to remove them. Step castor Maintenance...
- Page 37 Service Manual GDN40AW-K3EBA1A Step Procedure 1. Remove water tank Hold the holding position at both sides of water tank with both hands to pull it outwards and then remove the water tank. holding position water tank 2. Remove panel Press the clasps at both sides of panel with both hands to pull it outwards, lift it upwards and then remove the panel.
- Page 38 Service Manual Step Procedure 4.Remove lower sealing plate Remove 4 screws on lower sealing plate, lift it upwards to let it separate from upper 3 clasps,and then remove the lower sealing plate. screw lower sealing plate 5.Remove rear cover screw Remove 2 screws at the front side of case, 4 screws at the back side and 4 screws at both sides, hold both sides of rear cover,...
- Page 39 Service Manual Step Procedure 7.Remove front case Remove 2 screws at the front of the front clasps case,pull out 6 screws connecting with support rack sub-assy, and remove top plate and decorative ring. Let the top plate separate from 9 clasps on decorative ring,and then separate the clasps top plate from the decorative ring.
- Page 40 Service Manual Step Procedure 10.Remove display board Remove 2 screws at both sides of display board, pull out clasps at both sides and then remove the display board. clasp screw 11.Remove electric box Remove 2 screws inside the electric box connecting the water tray, pull out all wires connecting all electric parts inside the electric box, and then...
- Page 41 Service Manual Step Procedure 13.Remove grille groove Remove one screw fixing the propeller grille of panel housing, pull the grille backwards to let It separate from 2 grooves, and then remove the grille. screw 14.Remove guide loop screw Remove 4 screws fixing the propeller housing at the back of cover plate, and then remove the guide loop.
- Page 42 Service Manual Step Procedure 16.Remove motor Remove 3 screws fixing the motor and then remove the motor. propeller housing screw motor 17.Remove damper plate damper plate Remove 1 screw fixing the damper plate and then remove the damper plate. screw 18.Remove condenser and evaporator Unsolder the spot weld between suction condenser and evaporator...
- Page 43 Service Manual Step Procedure 19.Remove water tray sub-assy screw Remove one screw connecting water tray water tray sub-assy and chassis, loose 5 clasps connecting the chassis and then remove the water tray. clasp 20.Remove liquid level switch sub-assy clasp Loose 4 clasps connecting the water tray, and then remove the liquid level switch sub-assy.
- Page 44 Service Manual Step Procedure 22.Remove damper plate Remove one screw on the damper plate screw and then remove the damper plate. damper plate 23.Remove compressor and its fittings Remove 3 nuts fixing the compressor, lift up the compressor and then remove the compressor.
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Page 45: 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 46: Appendix 2: Resistance Table Of Temperature Sensor
Service Manual Appendix 2: Resistance Table of Temperature Sensor Resistance table of temperature sensor (15K) Temp( Temp( Temp( Temp( 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333 0.952 102.9 3.217 0.925 97.4 14.36... - Page 47 Service Manual Resistance table of temperature sensor (20K) Temp( Temp( Temp( Temp( 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 1.233 129.9 19.14 4.14 1.198 18.13 3.998 1.164 116.5 17.55...
- Page 48 Service Manual Resistance table of temperature sensor (50K) Temp( Temp( Temp( Temp( 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 73.83 14.62 3.96 548.9 70.5 14.09 3.84 516.6...
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Page 49: Appendix 3: Resistance Value Table Of Humidity Sensor
Service Manual Appendix 3: Resistance Value Table of Humidity Sensor HIS-06 temperature and humidity characteristic 5 Relative Temperature humidity 5.35 4.92 4.55 4.23 3.95 3.70 3.47 3.25 3.05 2.87 5.80 5.33 4.93 4.58 4.27 4.00 3.74 3.51 3.29 3.09 6.29 5.77 5.33 4.95... - Page 50 Service Manual 1128.50 1033.61 953.39 883.90 822.61 767.78 704.83 647.37 594.51 545.56 1325.87 1213.40 1118.31 1035.94 963.29 898.30 823.48 755.17 692.34 634.16 1563.51 1430.14 1317.38 1219.71 1133.55 1056.48 967.04 885.39 810.28 740.74 1855.67 1695.83 1560.69 1443.63 1340.37 1248.00 1140.34 1042.06 951.64 867.93 2213.60...
- Page 51 Service Manual 50.20 46.55 43.12 39.89 36.83 33.93 31.76 29.69 27.71 25.82 56.00 51.92 48.08 44.47 41.05 37.80 35.35 33.02 30.79 28.65 62.80 58.20 53.88 49.80 45.95 42.29 39.51 36.87 34.34 31.92 70.00 64.95 60.21 55.74 51.51 47.50 44.33 41.31 38.42 35.65 78.80...
- Page 52 Service Manual 5.49 5.21 4.94 4.68 4.43 4.19 3.97 3.75 3.54 3.34 5.93 5.62 5.33 5.04 4.77 4.50 4.26 4.02 3.80 3.57 6.49 6.13 5.79 5.46 5.14 4.84 4.57 4.32 4.07 3.83 7.00 6.61 6.24 5.88 5.53 5.20 4.91 4.63 4.35 4.09 7.59...
- Page 53 Service Manual HIS-06 Characteristic of temperature and humidity 35 ~ 45 Relative Temperature humidity 1.20 1.17 1.14 1.11 1.08 1.05 1.02 1.00 0.98 0.95 0.93 1.27 1.23 1.20 1.16 1.13 1.10 1.07 1.05 1.02 1.00 0.97 1.34 1.30 1.26 1.22 1.19 1.15 1.12...
- Page 54 Service Manual 43.60 40.77 38.02 35.35 32.74 30.20 28.45 26.73 25.06 23.43 21.83 48.20 45.06 42.00 39.02 36.13 33.30 31.40 29.55 27.74 25.97 24.25 54.00 50.43 46.97 43.59 40.30 37.10 34.98 32.92 30.90 28.93 27.00 60.60 56.63 52.78 49.02 45.36 41.80 39.36 36.98...
- Page 55 Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn Http://www.gree.com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn Http://www.gree.com...
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