Connecting The Refrigerant Pipe - Samsung AM***HNEPCH Series Installation Manual

Connecting the Refrigerant Pipe

There are two refrigerant pipes of different diameters:
f A smaller one for the liquid refrigerant
f A larger one for the gas refrigerant
f The inside of copper pipe must be clean and 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.
f Liquid refrigerant port
f Gas refrigerant port
f Drain hose port
1. Remove the pinch pipe on the pipes, connect the assembly pipes to
each pipe and tighten the nuts. First tighten the nuts manually and
then with a torque wrench applying the following torque.
Outer Diameter
6.35 mm
9.52 mm
12.70 mm
15.88 mm
• Must apply refrigerant oil on the flaring area to prevent a leak.
NOTE
2. Be sure that there must be no crak or kink on the bended area.
AM220HNE✴✴✴/AM280HNE✴✴✴
Wet towel
A
Liquid pipe
Gas pipe
Drain hose port
Welding flame
AM140HNE✴✴✴
AM220HNE✴✴✴
AM280HNE✴✴✴
Torque
kgf•cm N•m
140~180 14~18
350~430 34~42
500~620 49~61
690~830 68~82
❋ Before connection, unscrew the nuts of liquid pipe first.
- Product is filled with nitrogen.
Liquid pipe
Ø9.52
Ø9.52
Ø9.52
ENGLISH-14
Refrigerant oil
Torque
wrench
Flare nut
Gas pipe Description
Ø15.88 Flaring Type
Ø19.05 Gas pipe: Welded
Ø22.22 Gas pipe: Welded
Spanner
Union