38
Refrigerant pipe installation
H/P
33.6kW 40.0kW
(D)
(E)(C)
(A)
(B)
(3)(2)(1)
61.6kW
Ex.) 135.2kW
Capacity (kW) No.
Pipe size (mm)
Liquid pipe Gas pipe
33.6kW (1) Ø 12.70 Ø 28.58
73.6kW (2) Ø 19.05 Ø 34.92
135.2kW (3) Ø 19.05 Ø 41.28
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)
*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)
22.4kW
Ø 9.52
Ø 19.05
Ø 12.70
Ø 22.22
28.0kW Ø 22.22 Ø 25.40
note1)
33.6kW
Ø 12.70
Ø 28.58
Ø 15.88
Ø 28.58
40.0kW
45.0kW
Ø 31.75
note2)
50.4kW
Ø 15.88 Ø 19.05
56.0kW
61.6kW
67.2kW
Ø 34.92 Ø 38.10
note3)
72.8kW ~ 84.0kW
Ø 19.05 Ø 22.22
89.6kW ~ 95.2kW
101.6kW
Ø 41.28
Ø 41.28
106.6kW ~ 135.2kW
140.2kW ~ 168.2kW
Ø 53.98
173.6kW ~ 224.8kW 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
DVM S HE_IM_DB68-05461A-08_EN.indd 38 2017-03-24 오후 1:38:20