Limitation Values On Pipe Lnstallation - Haier 1U71S2SG1FA Service Manual

6. Limitation Values on Pipe lnstallation

3U55S2SR2FA 3U70S2SR2FA
The piping length information, please refer the following table.
Item Unit
A,B,C Liquid Pipe mm
A,B,C Gas Pipe mm
L1 (One Way) m
L2 (One Way) m
L3 (One Way) m
L1+L2+L3 m
m
H
m
H+ m
m
H
m
Description
Size of the liquid side connection pipe
Size of the gas side connection pipe
Max.piping length between IU and OU of the way
Max.piping length between IU and OU of the way
Max.piping length between IU and OU of the way
Total liquid piping length
Drop between every two indoor units when the location of
the outdoor unit is among indoor units
Drop between every two indoor units when the location of
the outdoor unit is at one side of indoor units
Drop between the outdoor unit and the indoor unit
Drop between the outdoor unit and the indoor unit when the
location of outdoor unit is among the indoor units
Drop between the outdoor unit and the indoor unit when the
location of outdoor unit is at one side of indoor units
131
Standard Maximum
φ6.35 /
φ9.52 /
≤ 10 ≤ 25
≤ 10 ≤ 25
≤ 10 ≤ 25
3U55<50
≤ 30
3U70<60
≤ 1 ≤ 15
≤ 1 ≤ 7.5
≤ 5 ≤ 15
≤ 5 ≤ 7.5
≤ 5 ≤ 15