Gree GMV-VQ680WM/C-X User manual

GMV6 HR DC Inverter VRF Units
Capacity: 22.4kW~246.0kW
Rated Frequency: 50Hz / 60Hz
Operation Range: Cooling: -10~55°C
Heating: -25~24°C

Gree GMV6 HR DC Inverter VRF Units Service Manual
Contents
Preface ................................................................................................................................1
Safety Instructions...............................................................................................................1
Chapter 1 Product................................................................................................................2
1 Unit List.............................................................................................................................2
2 Parameters.......................................................................................................................4
3 The Range of Production Working Temperature.............................................................13
Chapter 2 Commissioning..................................................................................................14
1 Commissioning Process .................................................................................................14
2 Safety Requirements ......................................................................................................14
3 Unit Commissioning........................................................................................................15
4 Unit Function Settings.....................................................................................................44
Chapter 3 Faults................................................................................................................90
1 Error Indication ...............................................................................................................90
2 Troubleshooting..............................................................................................................94
3 Non-fault Type Troubleshooting....................................................................................220
Chapter 4 Repair..............................................................................................................221
1 Precautions for Refrigerant Leakage............................................................................221
2 Refrigerant Charging.....................................................................................................221
3 Methods for Vacuum Pumping and Charging Refrigerant of System............................223
4 Inspection of Key Parts.................................................................................................231
5 Replacement of Key Unit Parts.....................................................................................323
6 Explosive View and Parts List.......................................................................................380
Chapter 5 Maintenance....................................................................................................398
1 Outdoor Unit .................................................................................................................398
2 Hydro Box.....................................................................................................................398
Appendixes......................................................................................................................401
Appendix 1 Temperature Senor Resistance and Temperature Relationship Table...........401
Appendix 2 Refrigerant Temperature and Pressure Table ...............................................408
Appendix 3 Pressure Sensor Voltage and Pressure Table...............................................409
Appendix 4 Electric Specifications...................................................................................412
Appendix 5 Circuit Diagram.............................................................................................415
Appendix 6 Refrigerant Flow for Each Operation Mode...................................................423

Gree GMV6 HR DC Inverter VRF Units Service Manual
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Preface
Thank you for purchasing GMV6 HR DC Inverter VRF Units. For correct operation, please read this
manual carefully.
This manual applies to GMV6 HR series VRF units. It clarifies the safety requirements, basic
principles and implementation methods in engineering commissioning, troubleshooting, and after-sales
maintenance. Relevant professionals must follow the national (local) safety and technical requirements
as well as this manual. Failure to do so may result in improper functioning or damage to the air
conditioning system, or even personal injury.
NOTES:
(1) All the illustrations and information in the instruction manual are only for reference. In order to
make the product better, we will continuously conduct improvement and innovation. We have the right to
make necessary revision to the product from time to time due to the reason of sales or production, and
reserve the right to revise the contents without further notice.
(2) The final right to interpret for this instruction manual belongs to Gree Electric Appliances Inc. of
Zhuhai.
Safety Instructions
Warning symbols
Symbols in this document indicate different severities and possibilities.
DANGER!
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious
injury.
WARNING!
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious
injury.
CAUTION!
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate
injury. Or indicates an unsafe behavior.
NOTES!
Indicates a situation which could result in equipment or property loss.
INFO
Indicates helpful tips or additional information.
JUMP
Indicates a jump connection.

Gree GMV6 HR DC Inverter VRF Units Service Manual
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Chapter 1 Product
1 Unit List
1.1 Outdoor Unit
1.1.1 Basic Modules
HP Product Code Model Power Supply Appearance
8 CN851W3140 GMV-VQ224WM/C-X 380-415V 3N~50/60Hz
10 CN851W2950 GMV-VQ280WM/C-X 380-415V 3N~50/60Hz
12 CN851W2370 GMV-VQ335WM/C-X 380-415V 3N~50/60Hz
14 CN851W3160 GMV-VQ400WM/C-X 380-415V 3N~50/60Hz
16 CN851W2850 GMV-VQ450WM/C-X 380-415V 3N~50/60Hz
18 CN851W2380 GMV-VQ504WM/C-X 380-415V 3N~50/60Hz
20 CN851W3150 GMV-VQ560WM/C-X 380-415V 3N~50/60Hz
22 CN851W2470 GMV-VQ615WM/C-X 380-415V 3N~50/60Hz
1.1.2 Combined Modules
HP Standard Combination Model HP Standard Combination Model
24
10+14
GMV-VQ680WM/C-X
58
14+22+22
GMV-VQ1630WM/C-X
26
10+16
GMV-VQ730WM/C-X
60
16+22+22
GMV-VQ1680WM/C-X
28
10+18
GMV-VQ784WM/C-X
62
18+22+22
GMV-VQ1734WM/C-X
30
10+20
GMV-VQ840WM/C-X
64
20+22+22
GMV-VQ1790WM/C-X
32
10+22
GMV-VQ895WM/C-X
66
22+22+22
GMV-VQ1845WM/C-X
34
12+22
GMV-VQ950WM/C-X
68
10+16+20+22
GMV-VQ1905WM/C-X
36
14+22
GMV-VQ1015WM/C-X
70
10+18+20+22
GMV-VQ1959WM/C-X
38
16+22
GMV-VQ1065WM/C-X
72
10+20+20+22
GMV-VQ2015WM/C-X
40
18+22
GMV-VQ1119WM/C-X
74
10+20+22+22
GMV-VQ2070WM/C-X
42
20+22
GMV-VQ1175WM/C-X
76
10+22+22+22
GMV-VQ2125WM/C-X
44
22+22
GMV-VQ1230WM/C-X
78
12+22+22+22
GMV-VQ2180WM/C-X
46
10+16+20
GMV-VQ1290WM/C-X
80
14+22+22+22
GMV-VQ2245WM/C-X
48
10+16+22
GMV-VQ1345WM/C-X
82
16+22+22+22
GMV-VQ2295WM/C-X
50
12+16+22
GMV-VQ1400WM/C-X
84
18+22+22+22
GMV-VQ2349WM/C-X
52
10+20+22
GMV-VQ1455WM/C-X
86
20+22+22+22
GMV-VQ2405WM/C-X
54
10+22+22
GMV-VQ1510WM/C-X
88
22+22+22+22
GMV-VQ2460WM/C-X
56
12+22+22
GMV-VQ1565WM/C-X
—
—
—

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1.2 Mode Exchange Box
Model Product Code Power Supply Appearance
NCHS1D EN01600110 220-240V ~ 50/60Hz
NCHS2D EN01600090 220-240V ~ 50/60Hz
NCHS4D EN01600070 220-240V ~ 50/60Hz
NCHS8D EN01600100 220-240V ~ 50/60Hz
1.3 Hydro Box
Model Product Code Power Supply Appearance
NRQR16L/A-T CN700N0020 220-240V~ 50Hz
208-230V~ 60Hz
NRQR30L/A-T CN700N0030 220-240V~ 50Hz
208-230V~ 60Hz

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1.4 Water Tank
Model Product Code Power Supply Appearance
SXTVD300LCJ2/A-K ER20000350 230V~ 50Hz
2 Parameters
2.1 Parameters of Outdoor Unit
2.1.1 Parameters of Basic Modules
Model - GMV-VQ224WM/C-X GMV-VQ280WM/C-X GMV-VQ335WM/C-X GMV-VQ400WM/C-X
HP HP 8 10 12 14
Product Code
-
CN851W3140
CN851W2950
CN851W2370
CN851W3160
Cooling
capacity
Rated kW 22.4 28 33.5 40
Heating
capacity Rated kW 16.2 16.2 18.5 23.5
Max. kW 25 31.5 37.5 45
Outdoor static pressure Pa 0-110 0-110 0-110 0-110
Sound pressure level(Cooling) dB(A) 60 61 63 63
Sound power
level(Cooling) ducted dB(A) 80 83 83 91
cassette dB(A) 80 85 86 87
Power Supply - 380-415V 3N~
50/60Hz 380-415V 3N~ 50/60Hz 380-415V 3N~ 50/60Hz 380-415V 3N~ 50/60Hz
Rated power input kW 12.87 13.15 13.50 21.0
Rated current A 23.0 23.5 24.1 37.5
Compressor type - Inverter scroll Inverter scroll Inverter scroll Inverter scroll
Compressor quantity N 1 1 1 1
Refrigeration oil No. of
compressor - FV68H FV68H FV68H FV68H
Refrigeration
oil charge
Gross L 4.6 4.6 4.6 6.1
Compressor
charge L 1.1 1.1 1.1 1.1
The others L 3.5 3.5 3.5 5
Refrigerant type - R410A R410A R410A R410A
Refrigerant charge kg 8.2 8.5 9.6 11.1
Maximum drive IDU NO. unit 13 16 19 23
High pressure gas pipe mm Φ15.9 Φ19.05 Φ19.05 Φ22.2
Low pressure gas pipe mm Φ19.05 Φ22.2 Φ25.4 Φ25.4
Liquid pipe mm Φ9.52 Φ9.52 Φ12.7 Φ12.7
Outline dimensions(W × D ×
H)
mm 930×775×1690 930×775×1690 930×775×1690 1340×775×1690
Packing dimensions (W × D ×
H)
mm 1000×830×1855 1000×830×1855 1000×830×1855 1400×830×1855
Net weight kg 243 243 256 325
Gross weight kg 253 253 266 340

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Model -
GMV-VQ450WM/C-
X
GMV-VQ504WM/C-X
GMV-VQ560WM/C-
X
GMV-VQ615WM/C-X
HP HP 16 18 20 22
Product Code -
CN851W2850
CN851W2380
CN851W3150
CN851W2470
Cooling
capacity
Rated kW 45.00 50.40 56.00 61.50
Heating
capacity Rated kW 23.5 31.00 31.00 33.00
Max. kW 50.00 56.50 63.00 69.00
Outdoor static pressure Pa 0-110 0-110 0-110 0-110
Sound pressure
level(Cooling)
dB(A) 63 63 63 64
Sound power
level(Cooling) ducted dB(A) 91 89 89 89
cassette dB(A) 94 87 89 94
Power Supply - 380-415V 3N~
50/60Hz 380-415V 3N~ 50/60Hz 380-415V 3N~ 50/60Hz 380-415V 3N~ 50/60Hz
Rated power input kW 22 26.3 26.85 27.41
Rated current A 39.3 47 48 49
Compressor type - Inverter scroll Inverter scroll Inverter scroll Inverter scroll
Compressor quantity N 1 2 2 2
Refrigeration oil No. of
compressor
- FV68H FV68H FV68H FV68H
Refrigeration
oil charge
Gross L 6.1 7.2 7.2 7.2
Compress
or charge L 1.1 1.1×2 1.1×2 1.1×2
The
others
L 5 5 5 5
Refrigerant type - R410A R410A R410A R410A
Refrigerant charge kg 11.6 12.8 12.8 13.3
Maximum drive IDU NO. unit 26 29 33 36
High pressure gas pipe mm Φ22.2 Φ25.4 Φ25.4 Φ25.4
Low pressure gas pipe mm Φ28.6 Φ28.6 Φ28.6 Φ28.6
Liquid pipe mm Φ12.7 Φ15.9 Φ15.9 Φ15.9
Outline dimensions(W × D ×
H)
mm 1340×775×1690 1340×775×1690 1340×775×1690 1340×775×1690
Packing dimensions (W × D
× H)
mm 1400×830×1855 1400×830×1855 1400×830×1855 1400×830×1855
Net weight kg 325 385 385 385
Gross weight kg 340 400 400 400
Note:
①Rated cooling capacity test conditions: indoor 27℃DB/19℃WB, outdoor 35℃DB; without
height drop between units.
②Rated heating capacity test conditions(Tdesingnh): indoor 20℃DB, outdoor -10℃DB/-11 ℃
WB; without height drop between units. Max heating capacity test conditions: indoor 20℃DB,
outdoor 7℃DB/6 ℃WB; without height drop between units.
③The total capacity of connected indoor units must be in the range of 50%~135% of the outdoor
unit capacity. The relevant parameters can be corrected by referring to the unit capacity
correction table.
④The above parameters are tested based on the standard connection pipe length. In the actual
project, the parameters should be corrected referring to the capacity correction for the long
connection pipe of units.
Specifications may be changed due to product improvement. Please refer to nameplates of the units.

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2.1.2 Parameters of Combined Modules
Model -
GMV-VQ680WM/
C-X
GMV-VQ730WM/
C-X
GMV-VQ784WM/
C-X
GMV-VQ840WM/
C-X
GMV-VQ895WM/
C-X
HP HP 24 26 28 30 32
Combination
mode
-
10+14
10+16
10+18
10+20
10+22
-
GMV-VQ280WM/
C-X+GMV-VQ40
0WM/C-X
GMV-VQ280WM/
C-X+GMV-VQ45
0WM/C-X
GMV-VQ280WM/
C-X+GMV-VQ50
4WM/C-X
GMV-VQ280WM/
C-X+GMV-VQ56
0WM/C-X
GMV-VQ280WM/
C-X+GMV-VQ61
5WM/C-X
Cooling
capacity
Rated kW 68 73 78.4 84 89.5
Heating
capacity
Rated
kW
39.7
39.7
47.2
47.2
49.2
Max.
kW
76.5
81.5
88
94.5
100.5
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110 0-110
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW 13.15+21.00 13.15+22.00 13.15+26.3 13.15+26.85 13.15+27.41
Rated current
A
23.5+37.5
23.5+39.3
23.5+47
23.5+48
23.5+49
Refrigerant type
-
R410A
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 8.5+11.1 8.5+11.6 8.5+12.8 8.5+12.8 8.5+13.3
Maximum drive
IDU NO.
unit 39 43 46 50 53
High pressure
gas pipe
mm Φ25.4 Φ28.6 Φ28.6 Φ28.6 Φ28.6
Low pressure
gas pipe
mm Φ28.6 Φ31.8 Φ31.8 Φ31.8 Φ31.8
Liquid pipe
mm
Φ15.9
Φ19.05
Φ19.05
Φ19.05
Φ19.05
Outline
dimensions (W ×
D × H) mm 930×775×1690+
1340×775×1690 930×775×1690+ 1340×775×1690 930×775×1690+ 1340×775×1690 930×775×1690+ 1340×775×1690 930×775×1690+ 1340×775×1690
Packing
dimensions (W ×
D × H)
mm 1000×830×1855+
1400×830×1855 1000×830×1855+ 1400×830×1855 1000×830×1855+ 1400×830×1855 1000×830×1855+ 1400×830×1855 1000×830×1855+ 1400×830×1855
Net weight kg 243+385 256+385 325+385 325+385 8.5+13.3
Gross weight
kg
253+340
253+340
253+400
253+400
253+400
Model - GMV-VQ950WM/C-X
GMV-VQ1015WM/C-
X
GMV-VQ1065WM/C-
X
GMV-VQ1119WM/C-
X
HP
HP
34
36
38
40
Combination
mode
-
12+22
14+22
16+22
18+22
-
GMV-VQ335WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ400WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ450WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ504WM/C-X
+
GMV-VQ615WM/C-X
Cooling
capacity
Rated kW 95 101.5 106.5 111.9
Heating
capacity
Rated
kW
51.5
56.5
56.5
64
Max.
kW
106.5
114
119
125.5
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW 13.5+27.41 21+27.41 22+27.41 26.3+27.41
Rated current
A
24.1+49
37.5+49
39.3+49
47+49
Refrigerant type
-
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 9.6+13.3 11.1+13.3 11.6+13.3 12.8+13.3
Maximum drive
IDU NO.
unit 56 59 63 64
High pressure
mm
Φ28.6
Φ31.8
Φ31.8
Φ31.8

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Model - GMV-VQ950WM/C-X
GMV-VQ1015WM/C-
X
GMV-VQ1065WM/C-
X
GMV-VQ1119WM/C-
X
gas pipe
Low pressure gas
pipe
mm Φ31.8 Φ38.1 Φ38.1 Φ38.1
Liquid pipe
mm
Φ19.05
Φ19.05
Φ19.05
Φ19.05
Outline
dimensions
(W × D × H)
mm 930×775×1690+
1340×775×1690 1340×775×1690+ 1340×775×1690 1340×775×1690+ 1340×775×1690 1340×775×1690+ 1340×775×1690
Packing
dimensions
(W × D × H)
mm 1000×830×1855+
1400×830×1855 1400×830×1855+ 1400×830×1855 1400×830×1855+ 1400×830×1855 1400×830×1855+ 1400×830×1855
Net weight
kg
256+385
325+385
325+385
385+385
Gross weight
kg
266+400
340+400
340+400
400+400
Model -
GMV-VQ1175WM/C-
X
GMV-VQ1230WM/C-
X
GMV-VQ1290WM/C-
X
GMV-VQ1345WM/C-
X
HP
HP
42
44
46
48
Combination
mode
-
20+22
22+22
10+16+20
10+16+22
- GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ450WM/C-X
+
GMV-VQ560WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ450WM/C-X
+
GMV-VQ615WM/C-X
Cooling
capacity
Rated kW 117.5 123 129 134.5
Heating
capacity
Rated
kW
64
66
70.70
72.70
Max.
kW
132
138
144.5
150.5
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW 26.85+27.41 27.41+27.41 13.15+22.00+26.85 13.15+22.00+27.41
Rated current
A
48+49
49+49
23.5+39.3+48
23.5+39.3+49
Refrigerant type
-
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 12.8+13.3 13.3+13.3 8.5+11.6+12.8 8.5+11.6+13.3
Maximum drive
IDU NO.
unit 64 64 64 64
High pressure
gas pipe
mm Φ31.8 Φ31.8 Φ31.8 Φ31.8
Low pressure gas
pipe
mm Φ38.1 Φ38.1 Φ38.1 Φ38.1
Liquid pipe
mm
Φ19.05
Φ19.05
Φ19.05
Φ19.05
Outline
dimensions
(W × D × H) mm 1340×775×1690+
1340×775×1690 1340×775×1690+ 1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690
Packing
dimensions
(W × D × H)
mm 1400×830×1855+
1400×830×1855 1400×830×1855+ 1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855
Net weight
kg
385+385
385+385
243+325+385
243+325+385
Gross weight
kg
400+400
400+400
253+340+400
253+340+400
Model -
GMV-VQ1400WM/C-
X
GMV-VQ1455WM/C-
X
GMV-VQ1510WM/C-
X
GMV-VQ1565WM/C-
X
HP
HP
50
52
54
56
Combination
mode
-
12+16++22
10+20+22
10+22+22
12+22+22
-
GMV-VQ335WM/C-X
+
GMV-VQ450WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ335WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
Cooling
capacity
Rated kW 140 145.5 151 156.5

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Model -
GMV-VQ1400WM/C-
X
GMV-VQ1455WM/C-
X
GMV-VQ1510WM/C-
X
GMV-VQ1565WM/C-
X
Heating
capacity
Rated
kW
75.0
80.2
82.2
84.5
Max.
kW
156.5
163.5
169.5
175.5
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW 13.50+22.00+27.41 13.15+26.85+27.41 13.15+27.41+27.41 13.50+27.41+27.41
Rated current
A
24.1+39.3+49
23.5+48+49
23.5+49+49
24.1+49+49
Refrigerant type
-
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 9.6+11.6+13.3 8.5+12.8+13.3 8.5+13.3+13.3 9.6+13.3+13.3
Maximum drive
IDU NO.
unit 66 69 71 74
High pressure
gas pipe
mm Φ38.1 Φ38.1 Φ38.1 Φ38.1
Low pressure gas
pipe
mm Φ41.3 Φ41.3 Φ41.3 Φ41.3
Liquid pipe
mm
Φ19.05
Φ19.05
Φ19.05
Φ19.05
Outline
dimensions
(W × D × H)
mm
930×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690
Packing
dimensions
(W × D × H)
mm
1000×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855
Net weight
kg
256+325+385
243+385+385
243+385+385
256+385+385
Gross weight
kg
266+340+400
253+400+400
253+400+400
266+400+400
Model -
GMV-VQ1630WM/C-
X
GMV-VQ1680WM/C-
X
GMV-VQ1734WM/C-
X
GMV-VQ1790WM/C-
X
HP
HP
58
60
62
64
Combination
mode
-
14+22+22
16+22+22
18+22+22
20+22+22
-
GMV-VQ400WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ450WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ504WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
Cooling
capacity
Rated kW 163 168 173.4 179
Heating
capacity
Rated
kW
89.5
89.5
97
97
Max.
kW
183
188
194.5
201
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW 21.00+27.41+27.41 22.00+27.41+27.41 26.30+27.41+27.41 26.85+27.41+27.41
Rated current
A
37.5+49+49
39.3+49+49
47+49+49
48+49+49
Refrigerant type
-
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 11.1+13.3+13.3 11.6+13.3+13.3 12.8+13.3+13.3 12.8+13.3+13.3
Maximum drive
IDU NO.
unit 77 80 80 80
High pressure
gas pipe
mm Φ38.1 Φ38.1 Φ38.1 Φ38.1
Low pressure
gas pipe
mm Φ41.3 Φ41.3 Φ41.3 Φ41.3
Liquid pipe
mm
Φ19.05
Φ19.05
Φ19.05
Φ19.05
Outline
dimensions
(W × D × H)
mm
1340×775×1690+
1340×775×1690+
1340×775×1690
1340×775×1690+
1340×775×1690+
1340×775×1690
1340×775×1690+
1340×775×1690+
1340×775×1690
1340×775×1690+
1340×775×1690+
1340×775×1690
Packing
dimensions
(W × D × H) mm 1400×830×1855+
1400×830×1855+
1400×830×1855
1400×830×1855+
1400×830×1855+
1400×830×1855
1400×830×1855+
1400×830×1855+
1400×830×1855
1400×830×1855+
1400×830×1855+
1400×830×1855

Gree GMV6 HR DC Inverter VRF Units Service Manual
9
Model -
GMV-VQ1630WM/C-
X
GMV-VQ1680WM/C-
X
GMV-VQ1734WM/C-
X
GMV-VQ1790WM/C-
X
Net weight kg 325+385+385 325+385+385 385+385+385 385+385+385
Gross weight kg 340+400+400 340+400+400 400+400+400 400+400+400
Model -
GMV-VQ1845WM/C-
X
GMV-VQ1905WM/C-
X
GMV-VQ1959WM/C-
X
GMV-VQ2015WM/C-
X
HP HP 66 68 70 72
Combination
mode
- 22+22+22 10+16+20+22 10+18+20+22 10+20+20+22
-
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ450WM/C-X
+
GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ504WM/C-X
+
GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ560WM/C-X
+
GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
Cooling
capacity
Rated kW 184.5 190.5 195.9 201.5
Heating
capacity
Rated
kW
99
103.70
111.2
111.2
Max.
kW
207
213.5
220
226.5
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW 27.41+27.41+27.41
13.15+22.00+26.85+27.
41
13.15+26.30+26.85+27.
41
13.15+26.85+26.85+27.
41
Rated current
A
49+49+49
23.5+39.3+48+49
23.5+47+48+49
23.5+48+48+49
Refrigerant type
-
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 13.3+13.3+13.3 8.5+11.6+12.8+13.3 8.5+12.8+12.8+13.3 8.5+12.8+12.8+13.3
Maximum drive
IDU NO.
unit 80 80 80 80
High pressure
gas pipe
mm Φ38.1 Φ41.3 Φ41.3 Φ41.3
Low pressure
gas pipe
mm Φ41.3 Φ44.5 Φ44.5 Φ44.5
Liquid pipe
mm
Φ19.05
Φ22.2
Φ22.2
Φ22.2
Outline
dimensions (W ×
D × H) mm 1340×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
Packing
dimensions
(W × D × H) mm 1400×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
Net weight
kg
385+385+385
243+325+385+385
243+385+385+385
243+385+385+385
Gross weight
kg
400+400+400
253+340+400+400
253+400+400+400
253+400+400+400
Model -
GMV-VQ2070WM/C-
X
GMV-VQ2125WM/C-
X
GMV-VQ2180WM/C-
X
GMV-VQ2245WM/C-
X
HP
HP
74
76
78
80
Combination
mode
-
10+20+22+22
10+22+22+22
12+22+22+22
14+22+22+22
-
GMV-VQ280WM/C-X
+
GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ280WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ335WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ400WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
Cooling
capacity
Rated kW 207 212.5 218 224.5
Heating
capacity
Rated
kW
113.2
115.2
117.5
122.50
Max.
kW
232.5
238.5
244.5
252
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110

Gree GMV6 HR DC Inverter VRF Units Service Manual
10
Model -
GMV-VQ2070WM/C-
X
GMV-VQ2125WM/C-
X
GMV-VQ2180WM/C-
X
GMV-VQ2245WM/C-
X
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW
13.15+26.85+27.41+27.
41
13.15+27.41+27.41+27.
41
13.50+27.41+27.41+27.
41
21.00+27.41+27.41+27.
41
Rated current
A
23.5+48+49+49
23.5+49+49+49
24.1+49+49+49
37.5+49+49+49
Refrigerant type
-
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 8.5+12.8+13.3+13.3 8.5+13.3+13.3+13.3 9.6+13.3+13.3+13.3 11.1+13.3+13.3+13.3
Maximum drive
IDU NO.
unit 80 80 80 80
High pressure
gas pipe
mm Φ41.3 Φ41.3 Φ41.3 Φ41.3
Low pressure
gas pipe
mm Φ44.5 Φ44.5 Φ44.5 Φ44.5
Liquid pipe
mm
Φ22.2
Φ22.2
Φ22.2
Φ22.2
Outline
dimensions (W ×
D × H) mm
930×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
930×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
1340×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
Packing
dimensions
(W × D × H) mm
1000×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1000×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1400×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
Net weight
kg
243+385+385+385
243+385+385+385
256+385+385+385
325+385+385+385
Gross weight
kg
253+400+400+400
253+400+400+400
266+400+400+400
340+400+400+400
Model -
GMV-VQ2295WM/C-
X
GMV-VQ2349WM/C-
X
GMV-VQ2405WM/C-
X
GMV-VQ2460WM/C-
X
HP
HP
82
84
86
88
Combination
mode
-
16+22+22+22
18+22+22+22
20+22+22+22
22+22+22+22
-
GMV-VQ450WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ504WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ560WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
+
GMV-VQ615WM/C-X
Cooling
capacity
Rated kW 229.5 234.9 204.5 246
Heating
capacity
Rated
kW
122.50
130
130
132
Max.
kW
257
263.5
270
276
Outdoor static
pressure
Pa 0-110 0-110 0-110 0-110
Power Supply -
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
380-415V 3N~
50/60Hz
Rated power
input
kW
22.00+27.41+27.41+27.
41
26.30+27.41+27.41+27.
41
26.85+27.41+27.41+27.
41
27.41+27.41+27.41+27.
41
Rated current
A
39.3+49+49+49
47+49+49+49
48+49+49+49
49+49+49+49
Refrigerant type
-
R410A
R410A
R410A
R410A
Refrigerant
charge
kg 11.6+13.3+13.3+13.3 12.8+13.3+13.3+13.3 12.8+13.3+13.3+13.3 13.3+13.3+13.3+13.3
Maximum drive
IDU NO.
unit 80 80 80 80
High pressure
gas pipe
mm Φ41.3 Φ41.3 Φ41.3 Φ41.3
Low pressure
gas pipe
mm Φ44.5 Φ44.5 Φ44.5 Φ44.5
Liquid pipe
mm
Φ22.2
Φ22.2
Φ22.2
Φ22.2
Outline
dimensions (W ×
D × H) mm
1340×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
1340×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
1340×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690
1340×775×1690+
1340×775×1690+
1340×775×1690+
1340×775×1690

Gree GMV6 HR DC Inverter VRF Units Service Manual
11
Model -
GMV-VQ2295WM/C-
X
GMV-VQ2349WM/C-
X
GMV-VQ2405WM/C-
X
GMV-VQ2460WM/C-
X
Packing
dimensions
(W × D × H) mm
1400×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1400×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1400×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
1400×830×1855+
1400×830×1855+
1400×830×1855+
1400×830×1855
Net weight
kg
325+385+385+385
385+385+385+385
385+385+385+385
385+385+385+385
Gross weight
kg
340+400+400+400
400+400+400+400
400+400+400+400
400+400+400+400
Note:
①Rated cooling capacity test conditions: indoor 27℃DB/19℃WB, outdoor 35℃DB; without
height drop between units.
②Rated heating capacity test conditions(Tdesingnh): indoor 20℃DB, outdoor -10℃DB/-11 ℃
WB; without height drop between units. Max heating capacity test conditions: indoor 20℃DB,
outdoor 7℃DB/6 ℃WB; without height drop between units.
③The total capacity of connected indoor units must be in the range of 50%~135% of the outdoor
unit capacity. The relevant parameters can be corrected by referring to the unit capacity
correction table.
④The above parameters are tested based on the standard connection pipe length. In the actual
project, the parameters should be corrected referring to the capacity correction for the long
connection pipe of units.
⑤Specifications may be changed due to product improvement. Please refer to nameplates of the
units.
2.2 Parameters of Mode Exchange Box
Model NCHS1D NCHS2D NCHS4D NCHS8D
Numbers of branches unit 1 2 4 8
Maximum numbers of
connectable IDUs Per branch unit 8 8 8 8
Total unit 8 16 32 64
Maximum capacity of
connectable IDUs Per branch kW 16 16 16 16
Total kW 16 28 45 85
Power supply 220-240V ~ 50/60Hz
Piping connections ODU
Liquid mm Φ9.52 Φ9.52 Φ12.7 Φ15.9
High
pressure gas
mm Φ19.05 Φ19.05 Φ22.2 Φ22.2
Low
pressure gas
mm Φ22.2 Φ22.2 Φ28.6 Φ28.6
IDU
Liquid
mm
Φ6.35/9.52
Φ6.35/9.52
Φ6.35/9.52
Φ6.35/9.52
Gas
mm
Φ12.7/15.9
Φ12.7/15.9
Φ12.7/15.9
Φ12.7/15.9
Outline dimension(W×D×H)
mm
340×388×250
340×388×250
460×388×250
784×388×250

Gree GMV6 HR DC Inverter VRF Units Service Manual
12
2.3 Parameters of Hydro Box
Model
NRQR16L/A-T
NRQR30L/A-T
Hot water heating capacity
kW
4.5(3.6~16)
4.5(3.6~30)
Max setting temperature of domestic hot
water
°C 55(35~55) 55(35~55)
Floor heating capacity
kW
16
30
Max setting temperature of floor heating
°C
45(25~45)
45(25~45)
Power supply - 220-240V~ 50Hz
208-230V~ 60Hz
220-240V~ 50Hz
208-230V~ 60Hz
Heat exchanger
Type
-
Plate heat exchanger
Plate heat exchanger
Quantity
-
1
1
Rated water flow
L/min
46
86
Water system
connection
Diameter of inlet/outlet
water pipe
mm Φ25 Φ25
Thread specification
-
G1
G1
Refrigerant
system
connection
Gas pipe
mm
Φ15.9
Φ22.2
Liquid pipe mm Φ9.52 Φ9.52
Outline dimension(W×D×H)
mm
515×330×606
515×330×606
Net weight
kg
36
40
2.4 Parameters of Water Tank
Model
SXTVD300LCJ2/A-K
Capacity
L
300
Electric heating power
consumption
kW 3
Max. Allowable Pressure
MPa
0.7
Liner Material -
Hot rolled steel plate
（
enamel
）
Q330TC1
Thickness
mm
2.5
Insulation
Material
-
Foam rubber
Thickness
mm
42
Outer layer Material -
Color coated plate
hot-dip galvanized
sheet
Thickness
mm
0.6
Circular Water
Pipe
Diameter
mm
19.05
Screw
Thread
Spec
- 3/4″Female BSP
Cold water inter
pipe
Diameter
mm
19.05
Screw
Thread
Spec
- 3/4″Female BSP
Hot water inter
pipe
Diameter
mm
19.05
Screw
Thread
Spec
- 3/4″Female BSP
Dimension of
Outline
Outer
Diameter ×
Height
mm Φ620×1725
Net Weight
kg
135

Gree GMV6 HR DC Inverter VRF Units Service Manual
13
3 The Range of Production Working Temperature
— Cooling Heating Heating recovery Water heating Floor heating
Ambient temperature -10°C ~55°C DB -25°C ~24°C DB -10°C ~24°C DB -20°C ~35°C DB -20°C ~24°C DB
Indoor temperature 14°C ~25°C WB 15°C ~27°C DB 15°C ~25°C DB — 15°C ~27°C DB
Indoor humidity ≤80% — —
When the indoor units are all VRF fresh air processor, the unit operating range is as follows:
Cooling
Ambient temperature: 16°C ~45°C
Heating
Ambient temperature: -7°C ~16°C
NOTE!
If exceeding the temperature range for working, the product may be damaged, which is not within
the warranty range.

Gree GMV6 HR DC Inverter VRF Units Service Manual
14
Chapter 2 Commissioning
WARNING!
Before performing operations (such as commissioning, maintenance, and repair) on the device, you
need to shut down the unit and cut off the power, and use a relevant instrument to ensure that the
voltage at the power input terminal is zero, and the power indicator on the main board is off. Otherwise,
an electric shock or injury may be caused.
NOTE!
The unit features a low-power standby function. When the unit is standby, the power indicators on
the main control board and the drive board are on.
1 Commissioning Process
Preparation before
commissioning
Verification of installation
Unit checking
Commissioning
2 Safety Requirements
WARNING!
Safety measures must be taken for outdoor operations. All involved commissioning personnel and
maintenance personnel must master the building construction safety regulations and strictly follow them.
Special workers like refrigeration workers, electricians, and welders must hold special work licenses
and cannot work on other posts.
When the device is operated, the power of the entire system must be cut off, and the equipment
safety requirements must be strictly followed.
All installation and maintenance operations must comply with the product design requirements and
national and local safety requirements.
It is strictly forbidden to directly connect the compressor to the power.

Gree GMV6 HR DC Inverter VRF Units Service Manual
15
3 Unit Commissioning
3.1 Preparation
3.1.1 Tools
Name
Picture
Screwdrivers
Spanner
Hex key
Pincers
Vacuum pump
Electronic balance
Pressure gauge
Multimeter

Gree GMV6 HR DC Inverter VRF Units Service Manual
16
3.1.2 Files
To record the installation and commissioning of the unit, all the following documents need to be
prepared: minutes of the pre-commissioning scheme determining meeting, commissioning personnel
record form, pre-commissioning checklist, commissioning data record form, and commissioning report.
Minutes of the commissioning scheme determining meeting:
Minutes of the commissioning scheme determining meeting for XXX project:
Theme: xxx
Date: xxx
Place: xxx
Participants: xxx
Details: xxx
1
2
3
Checklist of the commissioning system appearance:
Checklist of the equipment appearance of xxx air-conditioning project
Item Defect Inspector Time
Refrigerating
system
Outdoor unit
appearance
Indoor unit
appearance
Mode
exchange box
appearance
Hydro box
appearance
Copper pipe
insulation
Drainage system
Condensate
water pipe
insulation
Electrical system
Power cable
diameter
Power cable
layout
Air circuit
breaker
Communication
system
Communication
cable material
Communication
cable
connection

Gree GMV6 HR DC Inverter VRF Units Service Manual
17
Commissioning data record form
Project name:
Unit model:
Debugger:
Date:
Rated capacity of
the outdoor unit
(kW):
Rated capacity of
the indoor unit
(kW):
Total length of the
refrigerant pipe (m):
Maximum drop
between the indoor
unit and outdoor
unit (m):
Supplemented refrigerant (kg):
Commissioning status: □ Cooling □ Heating Qty and capacity of indoor units:
Status Parameter Unit Before Startup 30 min 60 min
Status parameters of the outdoor unit
Outdoor ambient
temperature
°C
Power voltage
V
Frequency
Hz
Compressor current A
Discharge
temperature
°C
High system
pressure
°C
Low system
pressure
°C
...
Parameters of indoor unit 1#
Rated capacity kW
Ambient
temperature
°C
Air position
Position
Temperature at the
air outlet
°C
Outlet airflow
M/S
Noise
dB
Drainage pan —
Parameters of indoor unit 2#
Rated capacity kW
Ambient
temperature
°C
Air position
Position
Temperature at the
air outlet
°C
Outlet airflow
M/S
Noise
dB
Drainage pan —

Gree GMV6 HR DC Inverter VRF Units Service Manual
18
3.1.3 Checking
NOTE!
Items not complying with installation specifications need to be recorded in time as analysis basis for
the test of the refrigerating system.
Checklist before commissioning
Checklist Before GMV6 HR Commissioning
Category No. Item Reference Value Qualified Inspector
Installation
drawings
1
Are the engineering design
drawings complete?
—
2
Is the project constructed according
to the design drawings?
—
Installation
environment
3
Is there any pollution source in the
outdoor unit installation
environment, and is the outdoor unit
installation location selected
correctly?
Refer to the outdoor unit
installation.
4
Is the outdoor unit foundation firm?
Do vibration reduction and drainage
meet the requirements?
Refer to the outdoor unit
installation.
5 Are the outdoor unit basic modules
installed at the same level? Refer to the outdoor unit installation.
6
Does the outdoor unit operate with
static pressure? Is the
corresponding static pressure set?
—
7 Is the hydro box installation location
selected correctly? Refer to the hydro box installation manual.
8
Is the mode exchange box unit
installation location selected
correctly?
Refer to the mode exchange
box installation manual.
Refrigerating
system
9
Is the rated capacity of the internal
and external units of the cooling
system within 50%~135%?
50% to 135%
10
If the single cooling system hydro
box and the rated capacity of
outdoor unit meet the requirements
of instruction manual?
Refer to the hydro box
installation manual.
11 Is the fresh air unit access capacity
within 30%? ≤30%
12 Is GMV6HR connected to outdoor
units in other series?
GMV6 HR cannot be
connected to outdoor units in
other series.
13
Does the drop between the indoor
and outdoor units meet the unit
design requirements?
Refer to the outdoor unit
installation.
14 Does the drop between indoor units
meet the unit design requirements? Refer to the outdoor unit installation.
15
Is the length of the pipe from the
outdoor unit to the farthest indoor
unit less than or equal to 200 m?
Refer to the outdoor unit
installation.
16 Is the total length of the piping less
than 1000 m? Refer to the outdoor unit installation.
17
Is the length of the outdoor unit to
the first branch joint greater than 90
m? If yes, is the pipe diameter
increased accordingly?
The pipe diameter needs to
be increased when the
length is greater than 90 m.