GM V5 Compact Series VRF Outdoor Unit
10
GMV-224WL/A-X
、
GMV-250WL/A-X
、
GMV-280WL/A-X
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+i
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 Indoor 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-224WL/A-X
Ф
22.2
Ф
9.52
GMV-250WL/A-X
Ф
22.2
Ф
9.52
GMV-280WL/A-X
Ф
22.2
Ф
9.52
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.