DC Inverter U-match Series Duct Type Unit
27
Pipe diameter (inch)
Tightening torque (N·m)
Ɏ
1/4
15~30
Ɏ
35~40
Ɏ
45~50
Ɏ
60~65
Ɏ
70~75
Ɏ
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.
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.
3.2.3.6 Sealing of the Knock-off Hole
For the unit with built-in valves, when connecting the pipes and power cord or
