ENGLISH-17
02
INST
ALL
ATION
Refrigerant piping system
Items
Maximum allowable length
Single installation
Applicable outdoor unit models
AC030HCADKH
AC036HCAD
✴
H
AC042HCAD
✴
H
AC048HCAD
✴
H
Total pipe length (L1+…+Ln+1+a+b)
-
-
Main pipe (L1)
50 m
75 m
Max . distance among indoor units (D)
-
-
Max . length after branch
-
-
Max . height difference between outdoor and indoor units (h1)
30 m
30 m
Max . height difference among indoor units(h2)
-
-
Max Pipe length difference among indoor units after branch
[L2-L3 or L2-L4 or L2-L5 or a-b or (a+L2)-(b+L4) or (a+L3)-(b+L5)]
-
-
indoor
outdoor
L
1
h
1
X
f
Temper grade and minimum thickness of the refrigerant pipe .
Outer diameter [mm]
Minimum thickness [mm]
Temper grade
ø6 .35
0 .7
C1220T-O
ø9 .52
0 .7
ø12 .70
0 .8
ø15 .88
1 .0
ø15 .88
0 .8
C1220T-1/2H
OR
C1220T-H
ø19 .05
0 .9
ø22 .23
0 .9
• 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 .
CAUTION
Make at least one round:
It will reduce noise and vibration
❋
❋
The appearance of the unit may be different from the diagram depending on the model .
CAUTION
• After connecting pipes with knock-out treatment, plug the space .
• Following the pipe connection, make sure to proceed precisely to prevent interference with the internal parts .
CAC_Global Duct Latin America_IM_EN_04680A-02.indd 17
2014-09-04 오전 9:17:26
