Gree GVC36ALXH-K3NTC7A User manual

Service Manual
Change for life
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

8Technical 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 GVC55ALXL-M3NTC7A/O GVH55ALXL-M3NTC7A/O
Outdoor Unit Product Code CG156W08100 CG156W08200
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXAS-H64sN345 QXAS-H59sN345A
Compressor Oil Ze-GLES RB68EP/FVC68D Ze-GLES RB68EP/FVC68D
Compressor Type Rotary Rotary
Compressor LRA. A 85.00 72.00
Compressor RLA A 10.60 9.00
Compressor Power Input W 5450 4900
Compressor Overload Protector UP18WA12R-220 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 2-1.4 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 102 103
Gross Weight kg 112 113
Refrigerant R410A R410A
Refrigerant Charge kg 3.9 3.9
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 15 50
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.

9
Technical Information
Service Manual
Model GVC48ALXL-M3NTC7B
Product Code CG156008700
Power
Supply
Rated Voltage V~ 380
Rated Frequency Hz 50
Phases 3
Power Supply Mode Outdoor
Cooling Capacity W T1:15000 T3:12500
Heating Capacity W /
Cooling Power Input W T1:5040 T3:6050
Heating Power Input W /
Cooling Current Input A T 1:9.5 T3:10.7
Heating Current Input A /
Rated Input W 7100
Rated Cooling Current A 12.2
Rated Heating Current A /
Air Flow Volume m3/h 1850/1700/1550/1450
Dehumidifying Volume L/h 5
EER W/W T1:2.98 T3:2.07
COP W/W /
SEER /
HSPF /
Application Area m255-85
Indoor Unit
Model GVC48ALXL-M3NTC7B/I
Product Code CG156N08700
Fan Type Centrifugal
Fan Diameter Length(DXL) mm Φ379X180.5
Cooling Speed r/min 510/440/400/360
Heating Speed r/min /
Fan Motor Power Output W 150
Fan Motor RLA A 1.5
Fan Motor Capacitor μF 6
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 3-1.4
Evaporator Coil Length (LXDXW) mm 876.3X38.1X472
Swing Motor Model MP35AB/MP24TA
Swing Motor Power Output W 2.5/1.5
Fuse Current A 5
Sound Pressure Level dB (A) 56/52/49/46
Sound Power Level dB (A) 66/62/59/56
Dimension (WXHXD) mm 587X1882X394
Dimension of Carton Box (LXWXH) mm 2125X715X470
Dimension of Package (LXWXH) mm 2128X718X485
Net Weight kg 57.5
Gross Weight kg 69.5

10 Technical 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-M3NTC7B/O
Outdoor Unit Product Code CG156W08700
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXAS-H59sN345A
Compressor Oil Ze-GLES RB68EP/FVC68D
Compressor Type Rotary
Compressor LRA. A 72
Compressor RLA A 9
Compressor Power Input W 4900
Compressor Overload Protector UP18UA14R-55E
Throttling Method Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature Range ºC 18~52
Heating Operation Ambient Temperature Range ºC /
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 794X38.1X1232
Fan Motor Speed rpm 900
Fan Motor Power Output W 68
Fan Motor RLA A 0.65
Fan Motor Capacitor μF 4
Outdoor Unit Air Flow Volume m3/h 6000
Fan Type Axial-ow
Fan Diameter mm Φ472
Defrosting Method /
Climate Type T3
Isolation I
Moisture Protection IPX4
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5
Sound Pressure Level dB (A) 60
Sound Power Level dB (A) 70
Dimension(WXHXD) mm 978X1260X412
Dimension of Carton Box (LXWXH) mm 1025X435X1285
Dimension of Package(LXWXH) mm 1033X443X1405
Net Weight kg 98
Gross Weight kg 108
Refrigerant R410A
Refrigerant Charge kg 3.6
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 15
Outer Diameter Liquid Pipe 3/8"
Outer Diameter Gas Pipe 5/8"
Max Distance Height m 30
Max Distance Length m 40
Note: The connection pipe applies metric diameter.

11
Technical Information
Service Manual
2.2 Capacity Variation Ratio According to Temperature
2.3 Cooling and Heating Data Sheet in Rated Frequency
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5 m.
Cooling:
48/55K
Heating:
Rated cooling condition(°C) (DB/WB)
Model
Pressure of gas pipe connecting
indoor and outdoor unit
Inlet and outlet pipe temperature of
heat exchanger Fan speed of
indoor unit
Fan speed of
outdoor unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 36/48/55K 0.8~0.9 in:8~11
out:11~14
in:75~85
out:37~43 Super High High
Rated heating condition(°C) (DB/WB)
Model
Pressure of gas pipe connecting
indoor and outdoor unit
Inlet and outlet pipe temperature of
heat exchanger Fan speed of
indoor unit
Fan speed of
outdoor unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 36/48/55K 3.0~3.1 in:75~80
out:37~43
in:1~3
out:3~5 Super High High
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
0
20
40
60
80
100
120
20 25 30 35 40 45 50 52
Condition Cooling
Indoor:DB27
°C WB19 °C
Indoor air flow: Super High
Pipe length:5m
Cooling: Heating:
0
20
40
60
80
100
120
140
-7 -5 -3 056710 15 18 20 24
Condition Heatin g
Indoor:DB20
°C
Indoor air flow: Super High
Pipe length:5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
0
20
40
60
80
100
120
20 25 30 35 40 45 50 52
Condition Cooling
Indoor:DB27
°C
WB19
°C
Indoor air flow: Super High
Pipe length:5m
Cooling: Heating:
0
20
40
60
80
100
120
140
-7 -5 -3 056710 15 18 20 24
Condition Heatin g
Indoor:DB20
°C
Indoor air flow: Super High
Pipe length:5m
)%(oitaryticapaC
)%(oitaryticapaC
20
40
60
80
100
120
157-7 -5 02 24
0
-10510
32 33 34 35 36 37 38 39 43
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length:5m
Condition Heating
Indoor:DB20
°C
Indoor air flow: Super High
Pipe length:
5m
Cooling Heating
Outdoor temp.(ºC)
Outdoor temp.(ºC)
36K

12 Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
W
H
D
Model W H D
36/48/55K 587 1882 394

13
Technical Information
Service Manual
3.2 Outdoor Unit
Unit:mm
36K
369
427
746
923
1000
395
610

14 Technical Information
Service Manual
1260
900
978
570
378
412
Unit:mm
48/55K

15
Technical Information
Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:3/8"
Gas pipe: 5/8"
Cooling model
Cooling and heating model
Indoor unit Outdoor unit
Indoor unit
COOLING
Accumlator
HEATING
4-Way valve
COOLING
Outdoor unit
Discharge
Discharge
Suction
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Valve
Valve
side
Liquid pipe
Gas pipe
side
side
Liquid pipe
Gas pipe
side
Accumlator
Compressor
Compressor
Strainer
Strainer
Capillary
StrainerCapillary

16 Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
●Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black / /
VT Violet OG Orange / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
OUTDOOR UNIT
N
AP1
BU
2
3
XT
N(1)
TERMINAL
BLOCK
BK
AC-L BN
BU
BK
BN
YEGN
PRINTED CIRCUIT BOARD
PE
T-SENSOR
TEMP.
ROOM
RT1 RT2
θ
θM3
M2
COM-DISPLAY
COM-MAIN
DISPLAY
AP2
AP3
CN42
M1
YEGN
C
FAN
PE
MOTOR
SENSOR
TEMP.
TUBE
SENSOR
UP-DOWN
STEPPING
MOTOR
LEFT-RIGHT
STEPPING
MOTOR
COM
CAP.
(OPTIONAL)
WIFI
CONTACT
(COM-OUT)
CN3 CN2 CN449
(UD-SWING)(LR-SWING)(FAN2)
NOTE:Motor
ground only
applies to
the iron
shell motor.
600007001422

17
Technical Information
Service Manual
● Outdoor Unit
GVC36ALXH-K3NTC7A/O
GVH36ALXH-K3NTC7A/O
60000706522101
60000706470001
FAN
MOTOR
BU
AP2 PRINTED
E
AC-IN
DC-MOTOR
J
AP1 PRINTED CIRCUIT BOARD
BU
BU
AC CONTACTOR
BK
BK
BN
BU
YEGN
YEGN
PE
NBU
L
C
COMP.
SR(M)
HPP
N1
AC-L
COMP
COM-INNER
TR-IN TR-OUT
N(1)
2
TRANSFORMER
INDOOR UNIT
M
COMP
T1/4
(4) (1)
A2/1
(6)
L1/6 A1/0
(0)
XT
BLOCK
TERMINAL
KM
POWER
TC
CIRCUIT BOARD
BN
RD
YEGN
PE
BN
JUMP
CAP
YEGN
HIGH PRESSURE
SWITCH
BU
P
HPS
PE
PE
WH
BU
BN(BK)
BN
YE
YE CAP.
C1 BU
BK
L1
L(3)
OPTIONAL
PE
N
Ėė
C2
DISCHARGE
T-PIPE
TEMP.
RT1
θ
LPP
LOW PRESSURE
SWITCH
P
LPS
BU YE
BU
YE
JUMP
CAP
SENSOR
FAN
MOTOR
BU AP2 PRINTED
VALVE
E
AC-IN
DC-MOTOR
OFAN
J
AP1 PRINTED CIRCUIT BOARD
BU
BU
AC CONTACTOR
BK
BK
BN
BU
YEGN
YEGN
PE
NBU
L
C
COMP.
SR(M)
HPP
N1
AC-L
COMP
COM-INNER
TRANSFORMER
INDOOR UNIT
M
COMP
T1/4
(4) (1)
A2/1
(6)
L1/6 A1/0
(0)
XT
BLOCK
TERMINAL
KM
POWER
4-WAY
4WAY
RT2
OUTTUBE
TEMP.SENSOR
OUTTUBE
θTC
Ėė
CIRCUIT BOARD
BN
RD
YEGN
PE
BN
JUMP
CAP
YEGN
HIGH PRESSURE
SWITCH
N
BU 4YV
P
HPS
PE
PE
WH
BU
BN(BK)
BN
YE
YE
CAP.
C1 BU
BK
OPTIONAL
PE
LPP
LOW PRESSURE
SWITCH
P
LPS
BU YE
RT3
OUTROOM
OUTROOM
θ
RT1
DISCHARGE
TEMP.SENSOR
T-PIPE
θ
BUYE
C2
JUMP
CAP
N1
N(1)
2
L(3)
L1
TEMP.SENSOR
TR-OUT
TR-IN