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I
A
NSTALLING THE
IR CONDTIONER
Installing and Connecting the Assembly Pipe of the Indoor Unit
A
C
8
E-
There are 2 refrigerant pipes of different diameters:
The smaller one is for the liquid refrigerant
The larger one is for the gas refrigerant
A short pipe is already fitted to the air conditioner. You may need to extend the
pipe using the assembly pipe. (optional)
The connection procedure for the refrigerant pipe varies according to the exit
position of the pipe when facing the wall:
Right(A)
Left(B)
B
Underside(C)
Rear
1
Cut out the appropriate knock-out piece on the rear of the indoor unit unless
you connect the pipe directly from the rear.
2
Smooth the cut edges.
3
Remove the protection caps of the pipes and connect the assembly pipe
to each pipe. Tighten the nuts first with your hands, and then with a torque
wrench, applying the following torque:
Outer Diameter
1/4 inch (6.35mm)
3/8 inch (9.52mm)
1/2 inch (12.80mm)
5/8 inch (15.88mm)
If you want to shorten or extend pipes, refer to page 9.
4
Cut off the remaining foam insulation.
5
If necessary, bend the pipe to fit along the bottom of the indoor unit.
Then pull it out through the appropriate hole.
The pipe should not project from the rear of the indoor unit.
The bending radius should be 4 inch(100mm) or more.
6
Pass the pipe through the hole in the wall.
7
For further details on how to connect to the outdoor unit and purge the air,
refer to page 13.
The pipe will be insulated and fixed permanently into position after
finishing the installation and the gas leak test; refer to page 14 for
further details.
Torque
10.1~12.3ft•lb (140~170 kgf•cm)
18.1~20.3ft•lb (250~280 kgf•cm)
27.5~30.4ft•lb (380~420 kgf•cm)
31.8~34.7ft•lb (440~480 kgf•cm)
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