Step 2.9 Shortening Or Extending The Refrigerant Pipes (Assembly Pipe) - Samsung AR**HS Installation Manual

Remove the protection caps of the pipes and connect
3
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 (mm)
ø 6.35
ø 9.52
ø 12.70
ø 15.88
NOTE
• If you want to shorten or extend the pipes, see
Step 2.9 Shortening or extending the refrigerant
pipes (assembly pipe) on page 14.
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 100 mm or more.
6 Pass the pipe through the hole in the wall.
7 Fix the indoor unit on the wall.Pass the cables, pipes
and hose through the knock-out hole which would be
connected to the outdoor unit .
8 Use 2 screws to fix the indoor unit as shown in the
picture 2.
9 Assemble the Guide into the position of A or B as
shown in the picture 3.
NOTE
• The pipe will be insulated and fixed permanently into
position after finishing the installation and the gas leak
test. For further details. see Step 4.1 Performing the
gas leak tests on page 21.
CAUTION
• Tighten the flare nut with a torque wrench according
to specified method. If the flare nut is over-tightened,
the flare may break and cause refrigerant gas leakage.
• Do not box in or cover the pipe connection. All
refrigerant pipe connection must be easily accessible
and serviceable.
14 English
A3050_EU_Best model_IM_DB68-06152A-00_EN.indd 14
Torque (N•m) Torque (kgf•cm)
14 to 18 140 to 180
34 to 42 350 to 430
49 to 61 500 to 620
68 to 82 690 to 830
Step 2.9 Shortening or extending the
refrigerant pipes (assembly pipe)
Oblique
90°
D
A
Pipe Flare
Outer diameter (D) Depth (A)
ø 6.35 1.3
ø 9.52 1.8
ø 12.70 2.0
ø 15.88 2.2
Indoor outlet pipe
Outer diameter (mm) Torque (N•m)
ø 6.35 14 to 18
ø 9.52 34 to 42
ø 12.70 49 to 61
ø 15.88 68 to 82
Pipe cutter
Pipe
Rough
Burr
90°±2°
45°±2°
L
R 0.4 to 0.8
D
(Unit: mm)
Flare dimension (L)
8.7 to 9.1
12.8 to 13.2
16.2 to 16.6
19.3 to 19.7
Flare nut
Connecting pipe
(Unit: mm)
Torque (kgf•cm)
140 to 180
350 to 430
500 to 620
690 to 830
2016/4/20 14:10:21