[ II Restrictions ]
- 33 -
HWE1018A GB
2. Refrigerant pipe size
(1) Diameter of the refrigerant pipe between the outdoor unit and the first branch (outdoor unit pipe size)
*1 Use ø12.7 [1/2"] pipes if the piping length exceeds 90 m [295 ft].
(2) Size of the refrigerant pipe between the first branch and the indoor unit (indoor unit pipe size)
Outdoor unit set name
(total capacity)
Liquid pipe size (mm) [inch] Gas pipe size (mm) [inch]
250 model ø9.52 [3/8"] *1 ø22.2 [7/8"]
model Pipe diameter (mm) [inch]
250 model Liquid pipe ø9.52 [3/8"]
Gas pipe ø22.2 [7/8"]
500 model Liquid pipe ø15.88 [5/8"]
Gas pipe ø28.58 [1-1/8"]