16
Installation Procedure
Installation Procedure
CAUTION
Pipe outlet
• Cut the pipe outlet to the exact pipe size. In addition,
remove foreign substances and burr aroud the outlet.
• Perform cutting with only a cutter (ex. nipper)and never
tap with a hammer near the pipe outlet. Otherwise, it may
cause product damage such as warping of the cabinet.
• After connecting the pipes with Pipe outlet, plug the space
around the pipes.
• After connecting the pipes, proceed exactly as directed in
the guide to prevent interference with the internal parts.
• Tighten the nuts to the specified torques. If overtightened,
the nuts could be broken so refrigerant may leak.
• Protect or enclose refrigerant tubing to avoid mechanical
damage.
• After installing pipes, block the unused knock hole to
prevent small animal from entering. However, the radiant
heat hole(A) should be able to intake air.
Step 7 Optional: Cutting and flaring
the pipes
1 Make sure that you have the required tools available.
(pipe cutter, reamer, flaring tool, and pipe holder)
2 If you wish to shorten the pipes, cut it with a pipe
cutter, taking care to ensure that the cut edge remains
at a 90° angle with the side of the pipe. Refer to the
illustrations below for examples of edges cut correctly
and incorrectly.
Pipe cutter
Pipe
Oblique
Burr
90°
Rough
3 To prevent any gas from leaking out, remove all burrs
at the cut edge of the pipe, using a reamer.
4 Slide a flare nut on to the pipe and modify the flare.
Flare Flare
Pipe
L
A
90° ±2°
R 0.016 to 0.032 inch
(0.4 to 0.8 mm)
45° ±2°
D
D
Outer Diameter
(D)
Depth (A) Flare dimension (L)
mm inch mm inch mm inch
Ø6.35 1/4 1.3 0.051 8.7 to 9.1 0.34 to 0.36
Ø9.52 3/8 1.8 0.071 12.8 to 13.2 0.50 to 0.52
Ø12.70 1/2 2.0 0.079 16.2 to 16.6 0.64 to 0.65
Ø15.88 5/8 2.2 0.087 19.3 to 19.7 0.76 to 0.78
Ø19.05 3/4 2.2 0.087 23.6 to 24.0 0.93 to 0.94
5 Check that the flaring is correct, referring to the
illustrations below for examples of incorrect flaring.
1
2
3
Correct
Inclined
Damaged
surface
Cracked Uneven
thickness
DB68-11579A-00_IM_RAC oudoor_AA_EN_.indd 16DB68-11579A-00_IM_RAC oudoor_AA_EN_.indd 16 2022-01-12 오후 1:37:512022-01-12 오후 1:37:51
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