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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
f
capacity .
f Make sure to use C1220T-1/2H (Semi-hard) pipe for more
f
than Ø19 . 0 5 mm . In case of using C1220T-O (Soft) pipe
for Ø19 . 0 5 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 .
f
Cutting or flaring the pipes
1 . Make sure that you prepared the required tools .
- Pipe cutter, reamer, flaring 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 . 3 5
ø15 . 8 8
ø9 . 5 2
ø15 . 8 8
ø9 . 5 2
ø15 . 8 8
ø9 . 5 2
ø15 . 8 8
ø6 . 3 5
ø15 . 8 8
ø9 . 5 2
ø15 . 8 8
ø9 . 5 2
ø15 . 8 8
ø9 . 5 2
ø15 . 8 8
Oblique
90°
ENGLISH-26
Outer
Minimum
diameter
thickness
(mm)
(mm)
ø 6 . 3 5
0 . 7
ø 9 . 5 2
0 . 7
ø12 . 7 0
0 . 8
ø15 . 8 8
1 . 0
ø15 . 8 8
0 . 8
ø19 . 0 5
0 . 9
ø22 . 2 3
0 . 9
❋ ❋ Temper grade and minimum thickness of the
refrigerant pipe
Rough
Temper grade
C1220T-0
C1220T-1/2H OR
C1220T-H
Burr
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