15
AA
ENGLISH
Refrigerant piping system
Items
Maximum allowable lengh
Single installation
DPM installation
Applicable outdoor unit models
AC026HCADKH
AC035HCADKH
AC052HCADKH
AC052HCAPKH
AC060HCADKH
AC071HCADKH
AC071HCADKH
Total pipe length (L1+…+Ln+1 +a+b)
-
-
-
50 m
Main pipe (L1)
20 m
30 m
50 m
30 m
Max. distance among indoor units (D)
-
-
-
10 m
Max. length after branch
-
-
-
15 m
Max. height difference between outdoor and indoor units (h1)
15 m
20 m
30 m
30 m
Max. height difference among indoor units(h2)
-
-
-
0.5 m
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)]
-
-
-
5 m
Connecting the refrigerant pipe
indoor
outdoor
L1
h1
• 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.
The appearance of the unit may be different from the diagram depending on the model.
Make at least one round:
It will reduce noise and vibration
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
Temper grade and minimum thickness of the refrigerant pipe
• Make sure to use C1220T-1/2H (Semi-hard) pipe for more than Ø19.05mm. In case of using C1220T-O (Soft)
pipe for Ø19.05mm, pipe may be broken, which can result in an injury.
"n" means the number of indoor unit connection of DPM.
n=1
outdoor
indoor
indoor
n=2
L1
L2
L3
h1
h2
D
Use a joint kit that is only for DPM.
Содержание AC052HBMPKH
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