-38-
Item
Unit Description
Standard Maximum
A,B,C, Dliquid pipe mm Size of the liquid side connection pipe
φ
6.35
/
A,B,C Gas pipe
mm Size of the gas side connection pipe
φ
9.52
/
D Gas pi[pe
mm Size of the gas side connection pipe
φ
12.7
/
L1 (one way)
m
Max.piping length between IU and OU of the way
≤
10
≤
25
L2 (one way)
m
Max.piping length between IU and OU of the way
≤
10
≤
25
L3 (one way)
m
Max.piping length between IU and OU of the way
≤
10
≤
25
L4 (one way)
m
Max.piping length between IU and OU of the way
≤
10
≤
25
L1+L2+L3+L4
m
Total liquid piping length
≤40
≤70
m
Drop between every two indoor units when the location of
the outdoor unit is among indoor units
≤
1
≤
15
m
Drop between every two indoor units when the location of
the outdoor unit is at one side of indoor units
≤
1
≤
7.5
H+
m
Drop between the outdoor unit and the indoor unit
≤
5
≤
15
m
Drop between the outdoor unit and the indoor unit when the
location of outdoor unit is among the indoor units
≤
5
≤
7.5
m
Drop between the outdoor unit and the indoor unit when the
location of outdoor unit is at one side of indoor units
≤
5
≤
15
h
H-
YJU4YH025/30BAR
R
A-X
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