ENGLISH-21
02 INSTALLING THE PRODUCT
Outdoor unit capacity (kW)
(Cooling)
Maximum pipe length within 90m Maximum pipe length over 90m
Liquid pipe (mm) Gas pipe (mm) Liquid pipe (mm) Gas pipe (mm)
72.8kW ~ 84.0kW
Ø 19.05
Ø 34.92
Ø 22.22
Ø 38.10
note3)
89.6kW ~ 95.2kW
100.8kW
Ø 41.28
Ø 41.28
106.4kW ~ 134.4kW
140.0kW ~ 168.0kW
Ø 53.98173.6 kW ~ 252.0 kW Φ 22.22
Ø 53.98 Ø 25.40
note1)
274.4 kW ~ 336.0 kW Φ 25.40
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
Ú For the case that the diameter of the default pipe of an outdoor unit does not match that of the pipe installed on the site,
a socket is provided by default together with the outdoor unit.
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)
Branch pipe length within 45m Branch pipe length between 45~90m
Liquid pipe (mm) Gas pipe (mm) Liquid pipe (mm) Gas pipe (mm)
15.0kW and below
Ø 9.52
Ø 15.88
Ø 12.70
Ø 19.05
Over 15.0kW ~ 22.4kW and below Ø 19.05 Ø 22.22
Over 22.4kW ~ 28.1kW and below Ø 22.22 Ø 25.40
note1)
Over 28.1kW ~ 40.0kW and below
Ø 12.70
Ø 28.58
Ø 15.88
Ø 28.58
Over 40.0kW ~ 45.0kW and below
Ø 31.75
note2)
Over 45.0kW ~ 70.3kW and below Ø 15.88 Ø 19.05
Over 70.3kW ~ 98.4kW and below
Ø 19.05
Ø 34.92
Ø 22.22
Ø 38.10
note3)
Over 98.4kW ~ 135.2kW and below
Ø 41.28
Ø 41.28
Over 135.2kW ~ 169.0kW and below
Ø 53.98Over 169.0 kW ~ 275.0 kW and below Φ 22.22
Ø 53.98 Ø 25.40
note1)
Over 275.0 kW Φ 25.40
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