Samsung DVM S VRF - Page 142

10. Installation
142
Refrigerant pipe installation
Size of the pipe connected to the outdoor unit (A)
Select the size of the main pipe according to the below table.
Outdoor unit capacity (kW)
(Cooling)
*Maximum pipe length within 90m
(Main pipe diameter)
*Maximum pipe length over 90m
(Main pipe diameter)
Liquid pipe (mm) gas pipe (mm) Liquid pipe (mm) gas pipe (mm)
22.4kW
Ø 9.52
Ø 19.05
Ø 12.70
Ø 22.22
28.0kW Ø 22.22 Ø 25.40
note1)
33.6kW
Ø 12.70
Ø 28.58
Ø 15.88
Ø 28.58
40.0kW
45.0kW
Ø 31.75
note2)
50.4kW
Ø 15.88 Ø 19.05
56.0kW
61.6kW
67.2kW
Ø 34.92 Ø 38.10
note3)
72.8kW ~ 84.0kW
Ø 19.05 Ø 22.22
89.6kW ~ 95.2kW
101.6kW
Ø 41.28
Ø 41.28
106.6kW ~ 135.2kW
140.2kW ~ 168.2kW
Ø 53.98
173.6kW ~ 252.0kW Ø 22.22 Ø 53.98 Ø 25.40
note1)
*Maximum pipe length : The pipe length between an outdoor unit and the farthest indoor unit.
Note1)
If Ø 25.40 pipe is not available on site, use Ø 28.58 pipe.
Note2)
If Ø 31.75 pipe is not available on site, use Ø 34.92 pipe.
Note3)
If Ø 38.10 pipe is not available on site, use Ø 41.28 pipe