Samsung AE022MNJDEH Installation Manual - page 9
9
Ins
tallation Pr
oc
edur
e
English
7 Hanging the indoor unit on the Bracket Hanger, then
fix the Indoor Unit by using 4 Screws.
• Case 1. Installing on the floor : Must fix 4 screws
on the wall, make the indoor not to fall down(For
safety installation) .
• Case 2. Hanging on the wall : Follow the
installation guide supplied in the accessory part.
– Screw positions are specified on the installation
guide.
Step 4 Purging inert gas from the
indoor unit
From factory the unit is supplied and set with a pre-
charge of nitrogen gas (inert gas). Therefore, all inert gas
must be purged before connecting the assembly piping.
Unscrew the pinch pipe at the end of each refrigerant
pipe.
• Result: All inert gas escapes from the indoor unit.
NOTE
To prevent dirt or foreign objects from getting into the
pipes during installation, do NOT remove the pinch pipe
completely until you are ready to connect the piping.
Liquid
refrigerant
port
Gas
refrigerant
port
The designs and shape are subject to change according
to the model.
Step 5 Connecting the assembly
pipes to the refrigerant pipes
There are two refrigerant pipes of different diameters :
• A smaller one for the liquid refrigerant.
• A larger one for the gas refrigerant. The inside of
copper pipe must be clean and has no dust.
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.
2
3
3
1
Torque
wrench
Flare nut
Spanner
Union
Outer Diameter (mm)
Torque (N•m)
Ø6.35
14 to 18
Ø9.52
34 to 42
Ø12.70
49 to 61
Ø15.88
68 to 82
Ø19.05
100 to 120
(1 N•m=10 kgf•cm)
NOTE
• If the pipes must be shortened, see Step 6 Cutting or
flaring the pipes on page 10.