Gree GVC36ALXH-K3NTC7A User manual

Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Service Manual
Table of Contents
Table of Contents
Part I : Technical Information ..................................... 1
1. Summary......................................................................... 1
2. Specications............................................................... 3
2.1 Specication Sheet..................................................................................................3
2.2 Capacity Variation Ratio According to Temperature .................................11
2.3 Cooling and Heating Data Sheet in Rated Frequency............................... 11
3. Outline Dimension Diagram................................. 12
3.1 Indoor Unit ................................................................................................................12
3.2 Outdoor Unit.............................................................................................................13
4. Refrigerant System Diagram ............................... 15
5. Electrical Part ............................................................. 16
5.1 Wiring Diagram .......................................................................................................16
5.2 PCB Printed Diagram............................................................................................19
6. Function and Control .............................................. 21
6.1 Function Buttons of Air Conditioner...............................................................21
6.2 Remote Controller Introduction ........................................................................23
6.3 Brief Description of Models and Functions..................................................27
6.4 GREE+ App Operation Manual ..........................................................................31
6.5 Ewpe Smart App Operation Manual.................................................................32
Part II : Installation and Maintenance .................. 33
7. Notes for Installation and Maintenance.......... 33
8. Installation ................................................................... 36
8.1 Installation Dimension Diagram........................................................................36
8.2 Installation Parts-checking ................................................................................39
8.3 Selection of Installation Location.....................................................................39

Service Manual
Table of Contents
8.4 Electric Connection Requirement ....................................................................39
8.5 Installation of Indoor Unit....................................................................................40
8.6 Installation of Outdoor Unit ................................................................................41
8.7 Vacuum Pumping and Leak Detection............................................................43
8.8 Check after Installation and Test Operation .................................................43
9. Maintenance................................................................ 44
9.1 Error Code List........................................................................................................44
9.2 Procedure of Troubleshooting ..........................................................................48
9.3 Troubleshooting for Normal Malfunction ......................................................58
10. Exploded View and Parts List........................... 60
10.1 Indoor Unit..............................................................................................................60
10.2 Outdoor Unit ..........................................................................................................62
11. Removal Procedure ............................................... 70
11.1 Removal Procedure of Indoor Unit ................................................................70
11.2 Removal Procedure of Outdoor Unit.............................................................77
Appendix ........................................................................... 88
Appendix 1: Reference Sheet of Celsius and Fahrenheit...............................88
Appendix 2: Conguration of Connection Pipe .................................................88
Appendix 3: Pipe Expanding Method.....................................................................89
Appendix 4: List of Resistance for Temperature Sensor................................90

1
Technical Information
Service Manual
Outdoor Unit:
1. Summary
Indoor Unit:
GVC36ALXH-K3NTC7A/O
GVH36ALXH-K3NTC7A/O
GVC48ALXL-M3NTC7A/O
GVC48ALXL-M3NTC7B/O
GVH48ALXL-M3NTC7A/O
GVC55ALXL-M3NTC7A/O
GVH55ALXL-M3NTC7A/O
GVC36ALXH-K3NTC7A/I
GVH36ALXH-K3NTC7A/I
GVC48ALXL-M3NTC7A/I
GVH48ALXL-M3NTC7A/I
GVC55ALXL-M3NTC7A/I
GVH55ALXL-M3NTC7A/I GVC48ALXL-M3NTC7B/I

2Technical Information
Service Manual
Remote Controller:
Model list:
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
1 GVC36ALXH-K3NTC7A CG156007500 GVC36ALXH-K3NTC7A/I CG156N07500 GVC36ALXH-K3NTC7A/O CG156W07500
2 GVH36ALXH-K3NTC7A CG156007400 GVH36ALXH-K3NTC7A/I CG156N07400 GVH36ALXH-K3NTC7A/O CG156W07400
3 GVC48ALXL-M3NTC7B CG156008700 GVC48ALXL-M3NTC7B/I CG156N08700 GVC48ALXL-M3NTC7B/O CG156W08700
4 GVC48ALXL-M3NTC7A CG156008000 GVC48ALXL-M3NTC7A/I CG156N08000 GVC48ALXL-M3NTC7A/O CG156W08000
5GVH48ALXL-M3NTC7A CG156007900 GVH48ALXL-M3NTC7A/I CG156N07900 GVH48ALXL-M3NTC7A/O CG156W07900
6 CG156007901 CG156N07901
7 GVC55ALXL-M3NTC7A CG156008100 GVC55ALXL-M3NTC7A/I CG156N08100 GVC55ALXL-M3NTC7A/O CG156W08100
8GVH55ALXL-M3NTC7A CG156008200 GVH55ALXL-M3NTC7A/I CG156N08200 GVH55ALXL-M3NTC7A/O CG156W08200
9 CG156008201 CG156N08201
YAP1F11

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GVC36ALXH-K3NTC7A GVH36ALXH-K3NTC7A
Product Code CG156007500 CG156007400
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W T1:10560 T3:9400 T1:10560 T3:9400
Heating Capacity W / 11140
Cooling Power Input W T1:3790 T3:4585 T1:3790 T3:4585
Heating Power Input W / 3900
Cooling Current Input A T1:17 T3:20 T1:17 T3:20
Heating Current Input A / 17
Rated Input W 5300 5300
Rated Cooling Current A 25.0 25.0
Rated Heating Current A / 23
Air Flow Volume m3/h 1900/1700/1550/1400 1900/1700/1550/1400
Dehumidifying Volume L/h 3.5 3.5
EER W/W T1:2.79 T3:2.05 T1:2.79 T3:2.05
COP W/W / 2.86
SEER / /
HSPF / /
Application Area m246-70 46-70
Indoor Unit
Model GVC36ALXH-K3NTC7A/I GVH36ALXH-K3NTC7A/I
Product Code CG156N07500 CG156N07400
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ379X180.5 Φ379X180.5
Cooling Speed r/min 510/440/400/360 510/440/400/360
Heating Speed r/min / 510/440/400/360
Fan Motor Power Output W 150 150
Fan Motor RLA A 1.5 1.5
Fan Motor Capacitor μF 6 6
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7 Φ7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 876X472X25.4 876X472X25.4
Swing Motor Model MP35AB/MP24TA MP35AB/MP24TA
Swing Motor Power Output W 2.5/1.5 2.5/1.5
Fuse Current A 5 5
Sound Pressure Level dB (A) 53/51/49/46 Cooling:53/51/49/46
Heating:53/51/49/46
Sound Power Level dB (A) 63/61/59/56 Cooling:63/61/59/56
Heating:63/61/59/56
Dimension (WXHXD) mm 587X1882X394 587X1882X394
Dimension of Carton Box (LXWXH) mm 2150X735X530 2150X735X530
Dimension of Package (LXWXH) mm 2153X738X545 2153X738X545
Net Weight kg 55 55
Gross Weight kg 77.5 77.5

4Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GVC36ALXH-K3NTC7A/O GVH36ALXH-K3NTC7A/O
Outdoor Unit Product Code CG156W07500 CG156W07400
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO.,LTD
Compressor Model QXAS-F41N470A QXAS-F41N470A
Compressor Oil Ze-GLES RB68EP or FVC 68D or
FV 50S or equivalent
Ze-GLES RB68EP or FVC
68D or FV 50S or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A 81.00 81.00
Compressor RLA A 16.00 16.00
Compressor Power Input W 3560 3560
Compressor Overload Protector / /
Throttling Method Capillary Capillary
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC 18~52 18~52
Heating Operation Ambient Temperature Range ºC / -7~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7Φ7
Condenser Rows-n Gap mm 3-1.4 3-1.4
Condenser Coil Length (LXDXW) mm 955X57.15X704 955X57.15X704
Fan Motor Speed rpm 850 850
Fan Motor Power Output W 90 90
Fan Motor RLA A 0.7 0.7
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 4000 4000
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ570 Φ570
Defrosting Method / Automatic Defrosting
Climate Type T3 T3
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5 2.5
Sound Pressure Level dB (A) 62 62
Sound Power Level dB (A) 72 72
Dimension(WXHXD) mm 1000X746X427 1000X746X427
Dimension of Carton Box (LXWXH) mm 1077X480X785 1077X480X785
Dimension of Package(LXWXH) mm 1080X483X810 1080X483X810
Net Weight kg 66 68
Gross Weight kg 71 73
Refrigerant R410A R410A
Refrigerant Charge kg 2.8 2.8
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 50 50
Outer Diameter Liquid Pipe 3/8'' 3/8''
Outer Diameter Gas Pipe 5/8'' 5/8''
Max Distance Height m 20 20
Max Distance Length m 30 30
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model GVC48ALXL-M3NTC7A GVH48ALXL-M3NTC7A
Product Code CG156008000 CG156007900/CG156007901
Power
Supply
Rated Voltage V~ 380 380
Rated Frequency Hz 50 50
Phases 3 3
Power Supply Mode Outdoor Outdoor
Cooling Capacity W T1:14800 T3: 11200 T1:14800 T3:11200
Heating Capacity W / 16300
Cooling Power Input W T1:4900 T3:6050 T1:4900 T3:6050
Heating Power Input W / 4600
Cooling Current Input A T1:9.5 T3:10.7 T1:9.5 T3:10.7
Heating Current Input A / 9
Rated Input W 7600 7600
Rated Cooling Current A 16 16
Rated Heating Current A / /
Air Flow Volume m3/h 1800/1650/1500/1400 1800/1650/1500/1400
Dehumidifying Volume L/h 5 5
EER W/W T1:3.02 T3:1.85 T1:3.02 T3:1.85
COP W/W / 3.54
SEER / /
HSPF / /
Application Area m255-85 55-85
Indoor Unit
Model GVC48ALXL-M3NTC7A/I GVH48ALXL-M3NTC7A/I
Product Code CG156N08000 CG156N07900/CG156N07901
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ379X180.5 Φ379X180.5
Cooling Speed r/min 510/440/400/360 510/440/400/360
Heating Speed r/min / 510/440/400/360
Fan Motor Power Output W 150 150
Fan Motor RLA A 1.5 1.5
Fan Motor Capacitor μF 6 6
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7 Φ7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 876.3X38.1X472 876.3X38.1X472
Swing Motor Model MP35AB/MP24TA MP35AB/MP24TA
Swing Motor Power Output W 2.5/1.5 2.5/1.5
Fuse Current A 5 5
Sound Pressure Level dB (A) 53/50/48/45 Cooling:53/50/48/45
Heating:53/50/48/45
Sound Power Level dB (A) 63/60/58/55 Cooling:63/60/58/55
Heating:63/60/58/55
Dimension (WXHXD) mm 587X1882X394 587X1882X394
Dimension of Carton Box (LXWXH) mm 2150X735X530 2150X735X530
Dimension of Package (LXWXH) mm 2153X738X545 2153X738X545
Net Weight kg 57.5 57.5
Gross Weight kg 80 80

6Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GVC48ALXL-M3NTC7A/O GVH48ALXL-M3NTC7A/O
Outdoor Unit Product Code CG156W08000 CG156W07900
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXAS-H59sN345A QXAS-H59sN345A
Compressor Oil Ze-GLES RB68EP/FVC68D Ze-GLES RB68EP/FVC68D
Compressor Type Rotary Rotary
Compressor LRA. A 72.00 72.00
Compressor RLA A 9.00 9.00
Compressor Power Input W 4900 4900
Compressor Overload Protector UP18UA14R-55E UP18UA14R-55E
Throttling Method Capillary Capillary
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC 18~52 18~52
Heating Operation Ambient Temperature Range ºC / 0~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7Φ7
Condenser Rows-n Gap mm 3-1.4 3-1.4
Condenser Coil Length (LXDXW) mm 794X38.1X1232 794X38.1X1232
Fan Motor Speed rpm 850 850
Fan Motor Power Output W 68 68
Fan Motor RLA A 0.65 0.65
Fan Motor Capacitor μF 4 4
Outdoor Unit Air Flow Volume m3/h 6000 6000
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ472 Φ472
Defrosting Method / Automatic Defrosting
Climate Type T3 T3
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5 2.5
Sound Pressure Level dB (A) 60 61
Sound Power Level dB (A) 70 71
Dimension(WXHXD) mm 978X1260X412 978X1260X412
Dimension of Carton Box (LXWXH) mm 1025X435X1285 1025X435X1285
Dimension of Package(LXWXH) mm 1033X443X1405 1033X443X1405
Net Weight kg 98 99
Gross Weight kg 108 109
Refrigerant R410A R410A
Refrigerant Charge kg 3.6 3.6
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 15 15
Outer Diameter Liquid Pipe 3/8'' 3/8''
Outer Diameter Gas Pipe 5/8'' 5/8''
Max Distance Height m 30 30
Max Distance Length m 40 40
Note: The connection pipe applies metric diameter.

7
Technical Information
Service Manual
Model GVC55ALXL-M3NTC7A GVH55ALXL-M3NTC7A
Product Code CG156008100 CG156008200/CG156008201
Power
Supply
Rated Voltage V~ 380 380
Rated Frequency Hz 50 50
Phases 3 3
Power Supply Mode Outdoor Outdoor
Cooling Capacity W T1:15400 T3: 12000 T1:15400 T3: 12000
Heating Capacity W / 17600
Cooling Power Input W T1:5400 T3:6050 T1:5400 T3:6050
Heating Power Input W / 5100
Cooling Current Input A T1:11 T3:10.7 T1:11 T3:10.7
Heating Current Input A / 9
Rated Input W 8700 8700
Rated Cooling Current A 18 18
Rated Heating Current A / /
Air Flow Volume m3/h 1800/1650/1500/1400 1800/1650/1500/1400
Dehumidifying Volume L/h 6 6
EER W/W T1:2.85 T3:1.98 T1:2.85 T3:1.98
COP W/W / 3.45
SEER / /
HSPF / /
Application Area m280-100 80-100
Indoor Unit
Model GVC55ALXL-M3NTC7A/I GVH55ALXL-M3NTC7A/I
Product Code CG156N08100 CG156N08200/CG156N08201
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ379X180.5 Φ379X180.5
Cooling Speed r/min 510/440/400/360 510/440/400/360
Heating Speed r/min / 510/440/400/360
Fan Motor Power Output W 150 150
Fan Motor RLA A 1.5 1.5
Fan Motor Capacitor μF 6 6
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7 Φ7
Evaporator Row-n Gap mm 3-1.4 3-1.4
Evaporator Coil Length (LXDXW) mm 876.3X38.1X472 876.3X38.1X472
Swing Motor Model MP35AB / MP24TA MP35AB / MP24TA
Swing Motor Power Output W 2.5/1.5 2.5/1.5
Fuse Current A 5 5
Sound Pressure Level dB (A) 53/50/48/45 Cooling:53/50/48/45
Heating:53/50/48/45
Sound Power Level dB (A) 63/60/58/55 Cooling:63/60/58/55
Heating:63/60/58/55
Dimension (WXHXD) mm 587X1882X394 587X1882X394
Dimension of Carton Box (LXWXH) mm 2150X735X530 2150X735X530
Dimension of Package (LXWXH) mm 2153X738X545 2153X738X545
Net Weight kg 57.5 57.5
Gross Weight kg 80 80