Samsung AE120JXEDEH Installation Manual page 26

Refrigerant piping work
Selecting the refrigerant pipe
Outdoor unit capacity (kW)
AE090JXEDEH
AE120JXEDEH
AE140JXEDEH
AE160JXEDEH
AE090JXEDGH
AE120JXEDGH
AE140JXEDGH
AE160JXEDGH
f Install refrigerant pipe depending on the outdoor unit
capacity.
f Make sure to use C1220T-1/2H (Semi-hard) pipe for more
than Ø19.05 mm. In case of using C1220T-O (Soft) pipe
for Ø19.05 mm, pipe may be broken, which can result in
an injury.
Keeping refrigerant pipe clean and dry
f To prevent foreign materials or water from entering the pipe, pipes shall be sealed by caps.
Cutting or flaring the pipes
1. Make sure that you prepared the required tools.
- Pipe cutter, reamer, aring tool and pipe holder, etc.
2. If you want to shorten the pipe, cut it with a pipe cutter ensuring that the cut edge remains at 90° with the side of the
pipe.
- There are some examples of correct and incorrect cut edges below.
Liquid side Gas side
(mm) (mm)
ø6.35 ø15.88
ø9.52 ø15.88
ø9.52 ø15.88
ø9.52 ø15.88
ø6.35 ø15.88
ø9.52 ø15.88
ø9.52 ø15.88
ø9.52 ø15.88
Oblique
90°
ENGLISH-26
Outer Minimum
diameter thickness
(mm) (mm)
ø 6.35 0.7
ø 9.52 0.7
ø12.70 0.8
ø15.88 1.0
ø15.88 0.8
ø19.05 0.9
ø22.23 0.9
❋ Temper grade and minimum thickness of the
refrigerant pipe
Rough
Temper grade
C1220T-0
C1220T-1/2H OR
C1220T-H
Burr