Installation procedures
Piping connection
1.Connecting method
Apply refrigerant oil at half union and flare nut.
To bend a pipe, give the roundness as large as possible not to crash the pipe. When connecting pipe, hold the pipe centre to centre then screw nut on by hand,refer to Fig.
Be careful not to let sundries, such as sands enter the pipe.
Forced fastening without centering may damage the threads and cause a gas leakage.
Pipe dia | Fastening torque |
|
|
Liquid pipe 9.52mm(3/8") | |
Gas pipe 19.05mm(3/4") |
2.Piping connection of indoor unit Arrangement of piping and drainage pipe
After opening inlet grill, you will see a control
box as shown in the Fig.
Remove the cover before wiring work.
Cut away, with a hammer or a saw, the lid for piping according to piping direction.
Insulation material | Drain hose |
| |
Copper tube | Connecting electric cable |
| for indoor and outdoor unit |
According to the piping method, connect the piping on indoor unit with union of connecting pipe.
Arrange the piping as per the wall hole and bind drain hose connecting electric cable and piping together with polyethylene tape.
Insert the bound piping connecting electric cable and drain hose through wall hole to connect with outdoor unit.
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