Connecting the refrigerant pipe
Refrigerant piping system
L1
L0
H
Refrigerant piping system table
Pipe length or height
AC018MXSCCC AC024MXSCCC
Max. allowable length Actual pipe length L0 + H + L1 98.4 ft (30 m) or less 164.0 ft (50 m) or less
Allowable height length Actual pipe length H 65.6 ft (20 m) or less 98.4 ft (30 m) or less
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
t 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.
t After connecting pipes with knock-out treatment, plug the space.
t Following the pipe connection, make sure to proceed precisely to prevent interference with the internal parts.
CAUTION
English-18