Applicable Extension Pipe For Each Model; Pipe Length - Mitsubishi Electric Mr.SLIM PLA-RP·BA Technical Data Book

8

APPLICABLE EXTENSION PIPE FOR EACH MODEL

8-1. PIPE LENGTH

8-1-1. 1:1 SYSTEM
Pipe length
<Table 1> Maximum pipe length
OD 9.52
Liquid
pipe
Thickness t0.8
(mm)
OD
12.7 15.88
Gas
pipe
Thickness
t0.8 t1.0
(mm)
Standard size
HRP71~125
50m
[30m]
The maximum length is 75m in case of new pipes.
8-1-2. TWIN SYSTEM
(1) TWIN SYSTEM
<Table 2> Maximum pipe length
HRP71(RP35 2)
Main pipe
Liquid pipe
(mm)
Gas pipe
[A]
Liquid pipe
6.35
Gas pipe
12.7
Branch
Liquid pipe
9.52
pipe
(mm)
Gas pipe
15.88
[B, C]
Liquid pipe
9.52
Gas pipe 19.05
The maximum length is 75m in case of new pipes.
Indoor unit
B
Distribution pipe
<TWIN SYSTEM>
Total length A + B + C
Max. 75 m
Height difference
H(Indoor unit-Outdoor unit)
h(Indoor unit-Indoor unit)
Distance between indoor and indoor units
Pipe length |B-C|
Max. 8m
Number of bends (one way)
Max. 15 (Max. 8 points between main pipe A and each branch pipe(B, C))
12.7
t0.8
19.05 15.88 19.05
t1.0 t1.0 t1.0
50m 50m 50m
[30m] [20m] [20m]
HRP100(RP50 2)
6.35 9.52 9.52 9.52
12.7 15.88 15.88 19.05
Standard size Standard size
50m 50m 50m
[30m] [30m] [30m]
50m 50m 50m
[30m] [30m] [30m]
Indoor unit side
Indoor unit
C
Outdoor unit
Outdoor unit side
A
Max. 30m
Max. 1m
<Marks in the table>
: It can be used.
: Additional refrigerant charge is required when
the pipe length exceeds 20m.
The maximum pipe length
50m
Charge-less pipe length
[30m]
HRP125(RP60 2)
12.7 9.52 9.52 12.7
19.05 15.88 19.05 19.05
50m
[20m]
Standard size
50m 50m 50m 50m
[20m] [30m] [30m] [20m]
41