Connecting The Refrigerant Pipe - Samsung RC071DHXEA User & Installation Manual

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.
The connection procedure for the refrigerant pipes varies
according to the exit position of the pipes from the indoor unit,
as seen when facing the indoor in the "A" side.
 Liquid refrigerant port
 Gas refrigerant port
 Drain hose port
1
Remove the pinch pipe on the pipes and connect the
assembly pipes to 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")
Note
Must apply refrigerant oil on the flaring area to
prevent a leak.
2
Be sure that there must be no crack or kink on the bended area.
Torque wrench
A
Torque (kgf•cm)
145~175
333~407
505~615
630~769
Gas refrigerant
990~1210 port

The designs and shape are subject to change
according to the model.
Refrigerant oil
Flare nut
Liquid refrigerant port
Drain hose connection port
Spanner
Union
21