Installation Manual 35
ENGLISH
Refrigerant piping system
➲ Refrigerant pipe diameter from outdoor unit to first branch. (A, E, F, G)
* If the step up size is not available, you can not select the next higher size available.
Upward Outdoor
unit
total capacity
Standard Pipe Diameter
Increased Pipe Diameter
When pipe length is 90m or more from
ODU to 1st branch
kW Liquid pipe(mm) Gas pipe(mm) Liquid pipe(mm) Gas pipe(mm)
23 Ø 9.52 Ø 19.05 Ø 12.7 Ø 22.2
29 Ø 9.52 Ø 22.2 Ø 12.7 Ø 22.2
35 Ø 12.7 Ø 22.2 Ø 15.88 Ø 25.4
41 Ø 12.7 Ø 25.4 Ø 15.88 Ø 28.58
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