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ENGLISH
Connecting the refrigerant pipe
Refrigerant piping system
Items
Maximum allowable length
Single installation
Type A B C
Applicable outdoor unit models AC024/030JXADCH AC036/042/048JXADCH
AC030/036JXSCCH /
AC054KXADCH
Main pipe (L1) 164.0 ft (50 m) 246.0ft (75m)
Max. height dierence between outdoor and
indoor units (h1)
98.4 ft (30 m) 98.4ft (30m)
indoor
outdoor
L1
h1
f Temper grade and minimum thickness of the refrigerant pipe
Outer diameter [inch] Minimum thickness [inch] Temper grade
1/4 0.0276
C1220T-O
3/8 0.0276
1/2 0.0315
5/8 0.0394
5/8 0.0315
C1220T-1/2H OR C1220T-H3/4 0.0354
7/8 0.0354
• Make sure to use C1220T-1/2H (Semi-hard) pipe for more than 3/4 in. In case of using C1220T-O (Soft) pipe for
3/4 in., pipe may be broken, which can result in an injury.
CAUTION
Make at least one round:
It will reduce noise and vibration
❋
The appearance of the unit may be dierent from the diagram depending on the model.
• After connecting pipes through the knock-out, cover the opening to prevent animals and debris from entering.
CAUTION
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