Mitsubishi Electric HP120TNU-A Service Handbook page 72

[2-10 Restrictions on Refrigerant Pipes ]
Outdoor units
Outdoor unit side HP72
HP96
HP120
HP144
HP192
HP240
Indoor unit side
*1 When the high pressure pipe exceeds 65 meters, the pipe diameter of the section exceeding 65 meters should be 28.58
[1-1/8"].
HWE18220_GB
High-pressure side
ø15.88 [5/8"] (Brazed connection)
ø19.05 [3/4"] (Brazed connection)
ø22.2 [7/8"] (Brazed connection)
*1
ø22.2 [7/8"] (Brazed connection)
ø9.52 [3/8"] (Brazed connection)
Unit : mm [inch]
Low-pressure pipe
ø19.05 [3/4"] (Brazed connection)
ø22.2 [7/8"] (Brazed connection)
ø28.58 [1-1/8"] (Brazed connection)
ø34.93 [1-3/8"] (Brazed connection)
ø15.88 [5/8"] (Brazed connection)
chapter 2 -
43