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The piping length information, please refer the following table.
5U34HS1ERA 5U45LS1ERA
Item Unit Description Standard Maximum
A,B,C,D,E liquid pipe mm Size of the liquid side connection pipe φ6.35 /
A,B,C,D Gas pipe mm Size of the gas side connection pipe φ9.52 /
E Gas pipe mm Size of the gas side connection pipe φ12.7 /
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
L5 (one way) m Max.piping length between IU and OU of the way ≤ 10 ≤ 25
L1+L2+L3+L4+L5 m Total liquid piping length ≤ 40 ≤ 80
H
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
H-
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
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