Mitsubishi Electric PUHY-HP72 Service Handbook page 57

[2-10 Restrictions on Refrigerant Pipes ]
(3) Size of the refrigerant pipe between the branches for connection to indoor units
Total capacity of the
downstream units
- 54
P55 - P72
P73 - P108
P109 - P144
P145 - P240
P241 - P308
P309 -
(4) Size of the refrigerant pipe between the first distributor and the second distributor
Liquid pipe size (mm) [inch]
ø19.05 [3/4"]
(5) Size of the refrigerant pipe between the first distributor or the second distributor and outdoor
units
72 model
96 model
120 model
30
- chapter 2
Liquid pipe size (mm) [inch]
ø9.52 [3/8"]
ø9.52 [3/8"]
ø9.52 [3/8"]
ø12.7 [1/2"]
ø15.88 [5/8"]
ø19.05 [3/4"]
ø19.05 [3/4"]
Gas pipe size (mm) [inch]
ø34.93 [1-3/8"]
Liquid pipe size (mm) [inch] Gas pipe size (mm) [inch]
ø9.52 [3/8"] ø22.2 [7/8"]
ø12.7 [1/2"] ø28.58 [1-1/8"]
Gas pipe size (mm) [inch]
ø15.88 [5/8"]
ø19.05 [3/4"]
ø22.2 [7/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø34.93 [1-3/8"]
ø41.28 [1-5/8"]
HWE18240_GB