Installation procedure
16
3. Attaching Drain-Elbow
If the drain-elbow is used, please attach it as figure.
Flare nutHalf union
Torque wrenchSpanner
2. Connection of pipe
Apply refrigerant oil on half union and flare nut.
To bend a pipe, give the roundness as large as possible not to crush the pipe.
Connecting the pipe of gas side firstly makes working easier.
1. Selection of pipe
To this unit, both liquid and gas pipes shall be insulated as they become low temperature in operation.
Use optional parts for piping set or pipes covered with equivalent insulation material.
Refrigerant piping work
Pipe Diameter ( ) Fastening Torque
Liquid Side 6.35mm (1/4'')
18N.m
Gas Side 9.52mm (3/8'') 50N.m
Liquid pipe
Gas pipe
6.35mm ( 1/4'' ) x 0.8mm
9.52mm ( 3/8'' ) x 0.8mm
Forced fastening without careful centering may damage the threads and cause a leakage of gas.
To Next Page
Loading...
