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The piping length information, please refer the following table.
Descriptions
Standard
A, B, C,D liquid pipe
A, B, C,D Gas pipe
mm
Item
Maximum
Unit
L1 (one way)
L2 (one way)
L3 (one way)
h
H +
H -
mm
m
m
m
m
m
m
Size of the liquid side connection pipe
Pipe length when the compressor connects with two indoor units
Drop between every two indoor units
Drop between the outdoor unit and the indoor unit
/
/
Size of the gas side connection pipe
Pipe length when the compressor connects with two indoor units
Pipe length when the compressor connects only one indoor unit
Drop between the outdoor unit and the indoor unit
6.35
9.52
L1+L2+L3+L4 m
Total liquid piping length(It is no need to charge additional
refrigerant within this value)
L4 (one way) m Pipe length when the compressor connects only one indoor unit
L1
L2
L4
h
H +
A
B
D
C
L3
1
5
5
10
10
40
10
25
5
15
10
25
25
60
25
Limitations on the installation
H -
10
3. Limitations values on the piping work .