Gree GDN10AH-K4EBB1C User manual

Service Manual
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GDN10AH-K4EBB1C
GDN10AH-K4EBB2C
GDN10AH-K4EBB3C
GDN12AH-K4EBB1C
GDN12AH-K4EBB2C
GDN12AH-K4EBB3C
GDN16AH-K4EBB1C
GDN16AH-K4EBB2C
GDN16AH-K4EBB3C
GDN20AH-K4EBB1C
GDN20AH-K4EBB2C
GDN20AH-K4EBB3C
GDN24AH-K4EBB1C
GDN24AH-K4EBB2C
GDN24AH-K4EBB3C
(Refrigerant R134a)

Service Manual
Table of Contents
Table of Contents
Part Ⅰ: Technical Information ............................................................ 1
1.Summary ...................................................................................................... 1
2.Specications ........................................................................................... 2
3.Outline Dimension Diagram ............................................................ 11
4.Refrigerant System Diagram .......................................................... 14
5.Electrical Part .......................................................................................... 15
5.1 Wiring Diagram ......................................................................................... 15
5.2 PCB Printed Diagram ................................................................................ 16
6.Function and Control .......................................................................... 18
6.1 Control Panel Instruction ........................................................................... 18
6.2 Introduction of Basic Mode Function ......................................................... 19
Part Ⅱ: Maintenance ............................................................................ 21
7.Notes Maintenance .............................................................................. 21
8.Maintenance ............................................................................................. 22
8.1 Error Code ................................................................................................. 22
8.2 Malfunction Detection Flowchart ............................................................... 23
8.3 Maintenance Method for Common Malfunction ........................................ 25
9.Exploded View and Parts List ........................................................ 27
10.Removal Procedure ........................................................................... 37
Appendix: ...................................................................................................... 44
Appendix 1: Reference Sheet of Celsius and Fahrenheit ............................... 44
Appendix 2: Resistance Table of Temperature Sensor ................................... 45
Appendix 3: Resistance Value Table of Humidity Sensor ............................... 50

1
Service Manual
Installation and Maintenance
1.Summary
Part Ⅰ: Technical Information
Models
GDN10AH-K4EBB2C
GDN12AH-K4EBB2C
GDN16AH-K4EBB2C
GDN20AH-K4EBB2C
GDN24AH-K4EBB2C
GDN10AH-K4EBB3C
GDN12AH-K4EBB3C
GDN16AH-K4EBB3C
GDN20AH-K4EBB3C
GDN24AH-K4EBB3C
GDN10AH-K4EBB1C
GDN12AH-K4EBB1C
GDN16AH-K4EBB1C
GDN20AH-K4EBB1C
GDN24AH-K4EBB1C

2
Service Manual
Installation and Maintenance
2.Specications
The above data is subject to change without notice; please refer to the nameplate of the unit.
Model GDN10AH-K4EBB1C GDN12AH-K4EBB1C
Product Code CK051026100 CK051026200
Power Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Rated Dehumidifying Volume L/h 0.17 0.18
Power Input W 220 220
Power Current A 1.20 1.20
Set Humidity Range % 35~80 35~80
Air Flow Volume(H/M/L) m3/h 150/120/100 150/120/100
Fan Motor Speed (H/M/L) r/min 930/800/650 930/800/650
Output of Fan Motor W 6 6
Fan Motor Capacitor μF 1.0 1.0
Fan Type Centrifugal Centrifugal
Diameter Length(DXL) mm Φ180X76.5 Φ180X76.5
Throttling Method Capillary Capillary
Fuse A 3.15 3.15
Sound Pressure Level (H/M/L) dB (A) 43/41/39 43/41/39
Sound Power Level ((H/M/L) dB (A) 53/51/49 53/51/49
Climate Type T1 T1
Isolation I I
Moisture Protection IPX0 IPX0
Permissible Excessive Operating Pressure for the
Discharge Side MPa 1.7 1.7
Permissible Excessive Operating Pressure for the
Suction Side MPa 0.6 0.6
Dimension (WXHXD) mm 343X525X260 343X525X260
Dimension of Carton Box (LXWXH) mm 391X310X569 391X310X569
Dimension of Package (LXWXH) mm 394X313X584 394X313X584
Application Area m214 14
Net Weight kg 13 13
Gross Weight kg 14.5 14.5
Refrigerant R134a R134a
Refrigerant Charge kg 0.08 0.09
Bucket Capacity L 4.0/4.6 4.0/4.6
Control Type Electronic Electronic
Evaporator
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 1-1.3 1-1.3
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Condenser
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Rows-n Gap mm 1-1.4 1-1.4
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Compressor
Compressor Manufacturer/Trademark Shanghai Hitachi Electrical
Appliances Co.,Ltd/HIGHLY
Shanghai Hitachi Electrical
Appliances Co.,Ltd/HIGHLY
Model BSA418CV-R1AUA BSA418CV-R1AUA
Type Rotary Rotary
Power Input W 213 213
Overload Protector URP-191-78 URP-191-78
L.R.A. A 3.4 3.4
Working Current A 1.2 1.2

3
Service Manual
Installation and Maintenance
The above data is subject to change without notice; please refer to the nameplate of the unit.
Model GDN16AH-K4EBB1C GDN20AH-K4EBB1C
Product Code CK051026300 CK051026400
Power Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Rated Dehumidifying Volume L/h 0.33 0.41
Power Input W 300 330
Power Current A 1.35 1.50
Set Humidity Range % 35~80 35~80
Air Flow Volume(H/M/L) m3/h 180/160/140 180/160/140
Fan Motor Speed (H/M/L) r/min 950/860/740 950/860/740
Output of Fan Motor W 7 7
Fan Motor Capacitor μF 1.0 1.0
Fan Type Centrifugal Centrifugal
Diameter Length(DXL) mm Φ180X76.5 Φ180X76.5
Throttling Method Capillary Capillary
Fuse A 3.15 3.15
Sound Pressure Level (H/M/L) dB (A) 45/43/41 45/43/41
Sound Power Level ((H/M/L) dB (A) 55/53/51 55/53/51
Climate Type T1 T1
Isolation I I
Moisture Protection IPX0 IPX0
Permissible Excessive Operating Pressure for the
Discharge Side MPa 1.7 1.7
Permissible Excessive Operating Pressure for the
Suction Side MPa 0.6 0.6
Dimension (WXHXD) mm 343X525X260 343X525X260
Dimension of Carton Box (LXWXH) mm 391X310X569 391X310X569
Dimension of Package (LXWXH) mm 394X313X584 394X313X584
Application Area m222.4 23
Net Weight kg 15.0 15.5
Gross Weight kg 16.5 17.0
Refrigerant R134a R134a
Refrigerant Charge kg 0.13 0.20
Bucket Capacity L 4.0/4.6 4.0/4.6
Control Type Electronic Electronic
Evaporator
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 1-1.3 1-1.3
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Condenser
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Rows-n Gap mm 1-1.4 2-1.4
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Compressor
Compressor Manufacturer/Trademark RECHI PRECISION CO.,LTD/
RECHI
RECHI PRECISION CO.,LTD/
RECHI
Model 39E0G3HR&F^YA 39E0G3HR&F^YA
Type Rotary Rotary
Power Input W 213 213
Overload Protector UP3-016 UP3-017
L.R.A. A 3.4 3.4
Working Current A 1.2 1.4

4
Service Manual
Installation and Maintenance
The above data is subject to change without notice; please refer to the nameplate of the unit.
Model GDN24AH-K4EBB1C
Product Code CK051026500
Power Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Rated Dehumidication Capacity L/h 0.50
Power Input W 330
Current Input A 1.50
Set Humidity Range % 35~80
Air Flow Volume(H/M/L) m3/h 180/160/140
Fan Motor Speed(H/M/L) r/min 1150/1000/850
Fan Motor Power Output W 10
Fan Motor RLA A 0.16
Fan Motor Capacitor μF 1.5
Fan Type Centrifugal
Fan Diameter Length(DXL) mm Φ180X76.5
Throttling Method Capillary
Fuse Current A 3.15
Sound Pressure Level(H/M/L) dB (A) 47/45/43
Sound Power Level(H/M/L) dB (A) 57/55/53
Climate Type T1
Isolation I
Moisture Protection IPX0
Permissible Excessive Operating Pressure for the
Discharge Side MPa 1.7
Permissible Excessive Operating Pressure for the
Suction Side MPa 0.6
Dimension (WXHXD) mm 343X525X260
Dimension of Carton Box(LXWXH) mm 391X310X569
Dimension of Package(LXWXH) mm 394X313X584
Application Area m233.6
Net Weight kg 16
Gross Weight kg 17.5
Refrigerant R134a
Refrigerant Charge kg 0.24
Bucket Capacity L 4.0/4.6
Control Type Electronic
Evaporator
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 2-1.3
Evaporator Coil Length (LXDXW) mm 235X25.4X190.5
Condenser
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 235X25.4X190.5
Compressor
Compressor Manufacturer RECHI PRECISION CO.,LTD/RECHI
Compressor Model 39E073HR&F^YA
Compressor Type Rotary
Compressor Power Input W 300
Compressor Overload Protector UP3-017
Compressor LRA. A 5.5
Compressor RLA A 1.4

5
Service Manual
Installation and Maintenance
The above data is subject to change without notice; please refer to the nameplate of the unit.
Model GDN10AH-K4EBB2C GDN12AH-K4EBB2C
Product Code CK051024000 CK051025000
Power Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Rated Dehumidifying Volume L/h 0.17 0.18
Power Input W 220 220
Power Current A 1.20 1.20
Set Humidity Range % 35~80 35~80
Air Flow Volume(H/M/L) m3/h 150/120/100 150/120/100
Fan Motor Speed (H/M/L) r/min 930/800/650 930/800/650
Output of Fan Motor W 6 6
Fan Motor Capacitor μF 1.0 1.0
Fan Type Centrifugal Centrifugal
Diameter Length(DXL) mm Φ180X76.5 Φ180X76.5
Throttling Method Capillary Capillary
Fuse A 3.15 3.15
Sound Pressure Level (H/M/L) dB (A) 43/41/39 43/41/39
Sound Power Level ((H/M/L) dB (A) 53/51/49 53/51/49
Climate Type T1 T1
Isolation I I
Moisture Protection IPX0 IPX0
Permissible Excessive Operating Pressure for the
Discharge Side MPa 1.7 1.7
Permissible Excessive Operating Pressure for the
Suction Side MPa 0.6 0.6
Dimension (WXHXD) mm 343X525X262 343X525X262
Dimension of Carton Box (LXWXH) mm 391X310X569 391X310X569
Dimension of Package (LXWXH) mm 394X313X584 394X313X584
Application Area m214 14
Net Weight kg 13 13
Gross Weight kg 14.5 14.5
Refrigerant R134a R134a
Refrigerant Charge kg 0.08 0.09
Bucket Capacity L 4.0/4.6 4.0/4.6
Control Type Electronic Electronic
Evaporator
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 1-1.3 1-1.3
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Condenser
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Rows-n Gap mm 1-1.4 2-1.4
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Compressor
Compressor Manufacturer/Trademark Shanghai Hitachi Electrical
Appliances Co.,Ltd/HIGHLY
Shanghai Hitachi Electrical
Appliances Co.,Ltd/HIGHLY
Model BSA418CV-R1AUA BSA418CV-R1AUA
Type Rotary Rotary
Power Input W 213 213
Overload Protector URP-191-78 URP-191-78
L.R.A. A 3.4 3.4
Working Current A 1.1 1.1

6
Service Manual
Installation and Maintenance
The above data is subject to change without notice; please refer to the nameplate of the unit.
Model GDN16AH-K4EBB2C GDN20AH-K4EBB2C
Product Code CK051023700 CK051023800
Power Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Rated Dehumidifying Volume L/h 0.33 0.41
Power Input W 300 300
Power Current A 1.35 1.5
Set Humidity Range % 35~80 35~80
Air Flow Volume(H/M/L) m3/h 180/160/140 180/160/140
Fan Motor Speed (H/M/L) r/min 950/860/740 950/860/740
Output of Fan Motor W 7 7
Fan Motor RLA A 0.13 0.13
Fan Motor Capacitor μF 1 1
Fan Type Centrifugal Centrifugal
Diameter Length(DXL) mm Φ180X76.5 Φ180X76.5
Throttling Method Capillary Capillary
Fuse A 3.15 3.15
Sound Pressure Level (H/M/L) dB (A) 45/43/41 45/43/41
Sound Power Level ((H/M/L) dB (A) 55/53/51 55/53/51
Climate Type T1 T1
Isolation I I
Moisture Protection IPX0 IPX0
Permissible Excessive Operating Pressure for the
Discharge Side MPa 1.7 1.7
Permissible Excessive Operating Pressure for the
Suction Side MPa 0.6 0.6
Dimension (WXHXD) mm 343X525X262 343X525X262
Dimension of Carton Box (LXWXH) mm 391X310X569 391X310X569
Dimension of Package (LXWXH) mm 394X313X584 394X313X584
Application Area m222.4 28
Net Weight kg 15 15.5
Gross Weight kg 16.5 17
Refrigerant R134a R134a
Refrigerant Charge kg 0.13 0.2
Bucket Capacity L 4.0/4.6 4.0/4.6
Control Type Electronic Electronic
Evaporator
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 1-1.3 1-1.3
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Condenser
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Rows-n Gap mm 1-1.4 2-1.4
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Compressor
Compressor Manufacturer/Trademark RECHI PRECISION CO.,LTD/
RECHI
RECHI PRECISION CO.,LTD/
RECHI
Model 39E0G3HR&F^YA 39E073HR&F^YA
Type Rotary Rotary
Power Input W 265 300
Overload Protector UP3-016 UP3-017
L.R.A. A 5.5 5.5
Working Current A 1.2 1.4

7
Service Manual
Installation and Maintenance
The above data is subject to change without notice; please refer to the nameplate of the unit.
Model GDN24AH-K4EBB2C
Product Code CK051023900
Power Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Rated Dehumidication Capacity L/h 0.50
Power Input W 330
Current Input A 1.50
Set Humidity Range % 35~80
Air Flow Volume(H/M/L) m3/h 180/160/140
Fan Motor Speed(H/M/L) r/min 1150/1000/850
Fan Motor Power Output W 10
Fan Motor RLA A 0.16
Fan Motor Capacitor μF 1.5
Fan Type Centrifugal
Fan Diameter Length(DXL) mm Φ180X76.5
Throttling Method Capillary
Fuse Current A 3.15
Sound Pressure Level(H/M/L) dB (A) 47/45/43
Sound Power Level(H/M/L) dB (A) 57/55/53
Climate Type T1
Isolation I
Moisture Protection IPX0
Permissible Excessive Operating Pressure for the
Discharge Side MPa 1.7
Permissible Excessive Operating Pressure for the
Suction Side MPa 0.6
Dimension (WXHXD) mm 343X525X262
Dimension of Carton Box(LXWXH) mm 391X310X569
Dimension of Package(LXWXH) mm 394X313X584
Application Area m233.6
Net Weight kg 16
Gross Weight kg 17.5
Refrigerant R134a
Refrigerant Charge kg 0.24
Bucket Capacity L 4.0/4.6
Control Type Electronic
Evaporator
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 2-1.3
Evaporator Coil Length (LXDXW) mm 235X25.4X190.5
Condenser
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 235X25.4X190.5
Compressor
Compressor Manufacturer RECHI PRECISION CO.,LTD/RECHI
Compressor Model 39E073HR&F^YA
Compressor Type Rotary
Compressor Power Input W 300
Compressor Overload Protector UP3-017
Compressor LRA. A 5.5
Compressor RLA A 1.4

8
Service Manual
Installation and Maintenance
Model GDN10AH-K4EBB3C GDN12AH-K4EBB3C
Product Code CK051026000 CK051025800
Power Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Rated Dehumidifying Volume L/h 0.17 0.18
Power Input W 220 220
Power Current A 1.20 1.20
Set Humidity Range % 35~80 35~80
Air Flow Volume(H/M/L) m3/h 150/120/100 150/120/100
Fan Motor Speed (H/M/L) r/min 950/860/740 950/860/740
Output of Fan Motor W 6 6
Fan Motor Capacitor μF 1.0 1.0
Fan Type Centrifugal Centrifugal
Diameter Length(DXL) mm Φ180X76.5 Φ180X76.5
Throttling Method Capillary Capillary
Fuse A 3.15 3.15
Sound Pressure Level (H/M/L) dB (A) 43/41/39 43/41/39
Sound Power Level ((H/M/L) dB (A) 53/51/49 53/51/49
Climate Type T1 T1
Isolation I I
Moisture Protection IPX0 IPX0
Permissible Excessive Operating Pressure for the
Discharge Side MPa 1.7 1.7
Permissible Excessive Operating Pressure for the
Suction Side MPa 0.6 0.6
Dimension (WXHXD) mm 343X525X270 343X525X270
Dimension of Carton Box (LXWXH) mm 391X310X569 391X310X569
Dimension of Package (LXWXH) mm 394X313X584 394X313X584
Application Area m214 14
Net Weight kg 13 13
Gross Weight kg 14.5 14.5
Refrigerant R134a R134a
Refrigerant Charge kg 0.13 0.20
Bucket Capacity L 4.0/4.6 4.0/4.6
Control Type Electronic Electronic
Evaporator
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 1-1.3 1-1.3
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Condenser
Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Rows-n Gap mm 1-1.4 1-1.4
Coil Length (LXDXW) mm 235X12.7X190.5 235X12.7X190.5
Compressor
Compressor Manufacturer/Trademark Shanghai Hitachi Electrical
Appliances Co.,Ltd
Shanghai Hitachi Electrical
Appliances Co.,Ltd
Model BSA418CV-R1AUN BSA418CV-R1AUN
Type Rotary Rotary
Power Input W 213 213
Overload Protector UP3-016 URP-191-78
L.R.A. A 3.4 3.4
Working Current A 1.1 1.1
The above data is subject to change without notice; please refer to the nameplate of the unit.