DC Inverter U-match Series Floor Ceiling Type Unit
29
Pipe diameter (in.)
Tightening torque (N·m)
1/4
15-30
3/8
35-40
1/2
45-50
5/8
60-65
3/4
70-75
7/8
80-85
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.
Gas pipe
Liquid pipe
Pipe
coupling
or
or
3-way valve
2-way valve
3.2.3.5 Thermal Insulation of Pipe Joint (Only for Indoor Unit)
Stick coupler heat insulation (large and small) to the place where
connecting pipes.