Single Split
18
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
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.
Inse
rt the bound piping connecting electric cable and drain hose through wall hole to
connect with outdoor unit.
Insulation material
Copper tube
Drain hose
Connecting electric cable
for indoor and outdoor unit
Forced fastening without centering may
damage the threads and cause a gas leakage.
Pipe dia Fastening torque
Liquid pipe 9.52mm(3/8") 29.4N
.
m
Gas pipe 19.05mm(3/4") 117.7N
.
m
Liquid pipe 12.7mm(1/2") 50N
.
m
$% & '(/) ! + " # ! -
Installation procedures
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