Samsung AM***MXWA Series - Branch Joint Pipe Sizing (B)

ENGLISH-24
Refrigerant pipe installation
Size of the pipe between branch joints (B)
Select the pipe size according to the sum of indoor unit capacity which will be connected after the branch.
Ú However, if the size of the pipe between branch joints (B) is bigger than the size of the pipe connected to the outdoor
unit (A), apply the pipe size (A).
Indoor unit capacity (kW)
(Cooling)
Pipe size (mm)
Liquid pipe Low pressure gas pipe High pressure gas pipe
15.0kW and below
Ø 9.52
Ø 15.88
Ø 15.88
Over 15.0kW ~ 22.4kW and below Ø 19.05
Over 22.4kW ~ 28.1kW and below Ø 22.22
Ø 19.05
Over 28.1kW ~ 33.6kW and below
Ø 12.70
Ø 28.58
Over 33.6kW ~ 45.0kW and below
Ø 22.22
Over 45.0kW ~ 50.4kW and below
Ø 15.88
Over 50.4kW ~ 70.3kW and below
Ø 28.58Over 70.3kW ~ 98.4kW and below
Ø 19.05
Ø 34.92
Over 98.4kW ~ 105.5kW and below
Ø 41.28Over 105.5kW ~ 135.2kW and below
Ø 34.92
Over 135.2kW ~ 169.0kW and below
Over 169.0 kW ~ 275.0 kW and below Φ 22.22
Ø 53.98 Ø 41.28
Over 275.0 kW Φ 25.40
Size of the pipe between the branch joint and indoor unit
Make a selection according to outdoor unit capacity.
Indoor unit capacity (kW)
Pipe size (O.D. mm)
Liquid pipe Gas pipe
6.0kW and below Ø 6.35 Ø 12.70
6.1 kW ~ 16.0 kW Ø 9.52 Ø 15.88
16.1 kW ~ 23.0 kW Ø 9.52 Ø 19.05
Over 23.0kW Ø 9.52 Ø 22.22