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Connecting the Refrigerant Pipe
There are two refrigerant pipes of differing diameters:
A smaller one for the liquid refrigerant
A larger one for the gas refrigerant
The inside of copper pipe must be clean & has no dust.
Remove the pinch pipe on the pipes and connect the assembly pipes to
1
each pipe, tightening the nuts, first manually and then with a torque
wrench, a spanner applying the following torque.
Outer Diameter
6.35 mm (1/4")
9.52 mm (3/8")
12.70 mm (1/2")
15.88 mm (5/8")
19.05 mm (3/4")
22.23 mm (7/8")
If the pipes must be shortened refer to page10.
Note
Must use insulator which is thick enough to cover the refrigerant pipe to
2
protect the condensate water on the outside of pipe falling onto the floor
and the efficiency of the unit will be better.
Cut off any excess foam insulation.
3
Be sure that there must be no crack or wave on the bended area.
4
It would be necessary to double the insulation thickness (10mm or more)
5
to prevent condensation even on the insulator when if the installed area is
warm and humid.
Torque (kgf•cm)
140~170
250~280
380~420
440~480
990~1210
990~1210
Refrigerant oil
Torque wrench
Flare nut
Union
Spanner
9
E-
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