Pipe Diameter(inch)
Screw on the flare nut of the flaring connecting pipe on the outdoor unit valve.
The method of screwing the flare nut is the same with that for indoor unit.
Ф1/4
Ф3/8
Ф1/2
Ф5/8
Ф3/4
Ф7/8
U-Match Series Cassette Type Unit
Tightening Torque(N·m)
23
15-30
35-40
45-50
60-65
70-75
80-85