Mitsubishi Electric City Multi PUHY-HP144TSHMU-A, Service Handbook

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[
II
Restrictions ]
- 42 - HWE0716A GB
1. Refrigerant pipe size
(1) Diameter of the refrigerant pipe between the outdoor unit and the first branch (outdoor unit pipe size)
(2) Size of the refrigerant pipe between the first branch and the indoor unit (indoor unit pipe size)
(3) Size of the refrigerant pipe between the branches for connection to indoor units
(4) Size of the refrigerant pipe between the first distributor or the second distributor and outdoor units
Outdoor unit set name
(total capacity) Liquid pipe size (mm) [inch] Gas pipe size (mm) [inch]
72 model ø12.7 [1/2"] ø19.05 [3/4"]
96 model ø12.7 [1/2"] ø22.2 [7/8"]
144 model ø15.88 [5/8"] ø28.58 [1-1/8"]
192 model ø15.88 [5/8"] ø28.58 [1-1/8"]
model Pipe diameter (mm) [inch]
06 - 18 models Liquid pipe ø6.35 [1/4"]
Gas pipe ø12.7 [1/2"]
24 - 54 models Liquid pipe ø9.52 [3/8"]
Gas pipe ø15.88 [5/8"]
72 model Liquid pipe ø9.52 [3/8"]
Gas pipe ø19.05 [3/4"]
96 model Liquid pipe ø9.52 [3/8"]
Gas pipe ø22.2 [7/8"]
Total capacity of the
downstream units Liquid pipe size (mm) [inch] Gas pipe size (mm) [inch]
- P54 ø9.52 [3/8"] ø15.88 [5/8"]
P55 - P72 ø9.52 [3/8"] ø19.05 [3/4"]
P73 - P108 ø9.52 [3/8"] ø22.2 [7/8"]
P109 - P144 ø12.7 [1/2"] ø28.58 [1-1/8"]
P145 - P234 ø15.88 [5/8"] ø28.58 [1-1/8"]
Liquid pipe size (mm) [inch] Gas pipe size (mm) [inch]
72 model ø9.52 [3/8"] ø19.05 [3/4"]
96 model ø22.2 [7/8"]