Step 2.7 Shortening Or Extending The Refrigerant Pipes (Assembly Pipe) - Samsung AR09KSFPDWQN User Manual

1. Remove the protection caps of the pipes and
connect 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
ø1/4 inch(ø6.35mm)
ø3/8 inch(ø9.52mm)
ø1/2 inch(ø12.70 mm)
ø5/8 inch(ø15.88mm)
NOTE
If you want to shorten or extend the pipes, see Step
2.9 Shortening or extending the refrigerant pipes
(assembly pipe) on page 41.
2. Cut off the remaining foam insulation.
3. 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 3.94 inch (100 mm) or
more.
4. Pass the pipe through the hole in the wall.
5. 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 .
6. Use 2 screws to fix the indoor unit as shown in
the picture 2.
7. 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 page54.
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.
Torque
Torque
f
10.1~13.0(140~180)
14~18
34~42 25.3~31.1(350~430)
49~61 36.2~44.8(500~620)
68~82 49.9~60.0(690~830)
Step 2.7 Shortening or extending the
refrigerant pipes (assembly pipe)
Oblique Rough
90°
D
A
Flare
Pipe
Outer diameter (D) Depth (A) Flare dimension (L)
0.051inch
ø1/4 inch(ø6.35mm)
(1.3mm)
0.071inch
ø3/8 inch(ø9.52mm)
(1.8mm)
0.079inch
ø1/2 inch(ø12.70 mm)
(2.0mm)
0.087inch
ø5/8 inch(ø15.88mm)
(2.2mm)
Indoor outlet Connecting
pipe
Torque
Outer diameter
ø1/4 inch(ø6.35mm) 14~18
ø3/8 inch(ø9.52mm) 34~42
ø1/2 inch(ø12.70 mm) 49~61
ø5/8 inch(ø15.88mm) 68~82
Pipe cutter
Pipe
Burr
90°±2°
45°±2°
L
R 0.4 to 0.8
D
0.3425 - 0.3583 inch
(8.7 - 9.1 mm)
0.5039 - 0.5197 inch
(12.8 - 13.2 mm)
0.6378 - 0.6535 inch
(16.2 - 16.6 mm)
0.7598 - 0.7756 inch
(19.3 - 19.7 mm)
Flare nut
pipe
Torque
f
10.1~13.0(140~180)
25.3~31.1(350~430)
36.2~44.8(500~620)
49.9~60.0(690~830)
English 41