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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.
2. Piping connection of indoor unit
Arrangement of piping and drainage pipe
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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.
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.
Forced fastening without centering may
damage the threads and cause a gas leakage.
Pipe dia
Liquid pipe 9.52mm(3/8")
Liquid pipe 12.7mm(1/2")
Gas pipe 19.05mm(3/4")
Insulation material
Copper tube
18
Single Split
Fastening torque
29.4N . m
50N . m
117.7N . m
Drain hose
Connecting electric cable
for indoor and outdoor unit
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