Gree GMV-ND280PH/A-T

GMV5 Compact Series VRF Outdoor Unit
10
GMV-ND224PH/A-T
、
GMV-ND280PH/A-T
Allowable Value Fitting Pipe
Total length (actual length) of fitting pipe 250m L1+L2+L3+…+L9+a+b+…j
Length of farthest fitting pipe
(m)
Actual length 100m
L1+L6+L7+L8+L9+j
Equivalent length 120m
Equivalent length from the first manifold to the furthest
pipe
40m L6+L7+L7+L8+L9+j
Height difference between
outdoor unit and indoor unit
Outdoor unit at upper 50m ——
Outdoor unit at lower 40m ——
Height difference between indoor units 15m ——
Maximum length of main pipe (1) 90m L1
4.2.3 Unit Capacity Code
Energy rank capacity code Energy rank Capacity code Energy rank Capacity code
Indoor unit
22 model 22 25 model 25 28 model 28
32 model 32 36 model 36 40 model 40
45 model 45 50 model 50 56 model 56
63 model 63 71 model 71
Outdoor unit 224 model 224 250 model 250 280 model 280
☆ The maximum number of indoor units is 16 with one outdoor unit;
☆ The total capacity code of indoor unit is in the range of 50% t~ 135% of that of outdoor unit.
4.2.4 Connection Pipe Size
（1） Pipe size between outdoor unit and the first manifold is determined by that of outdoor unit.
Pipe size between outdoor unit and the first manifold:
Outdoor unit model
Fitting pipe between outdoor unit and the first manifold
Gas pipe (mm) Liquid pipe(mm)
GMV-ND224PH/A-T
Ф22.2 Ф9.52
GMV-ND280PH/A-T
Ф22.2 Ф9.52
Note:
① When the maximum length between outdoor unit and the first manifold exceeds or equals to 90m , the sizes
of gas pipe and liquid pipe of the main pipe are changed according to the following table.
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