Applicable Extension Pipe For Each Model; Pipe Length - Mitsubishi Electric PCA-RP·GA 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
Liquid
OD [6.35
pipe
Thickness t0.8
(mm)
Gas
OD
[9.52 [12.7
pipe
Thickness
t0.8 t0.8
(mm)
Standard size
30m w1
50m
RP35•50
[30m] [30m]
10m
RP60•71
[10m]
RP100~140
w1. Maximum pipe length is RP50, it becomes 10m.
w2. Change the SW8-1 on the outdoor controller circuit board from OFF to ON.
w3. The maximum length is 75m in case of new pipes.
8-1-2. TWIN AND TRIPLE SYSTEM
(1) TWIN SYSTEM
<Table 2> Maximum pipe length
RP71(RP35o2)
Main pipe
Liquid pipe
[6.35
(mm)
[12.7
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
[12.7
Gas pipe
[19.05
w The maximum length is 75m in case of new pipes.
Indoor unit
B
Distribution pipe
<TWIN SYSTEM>
Total length A + B + C
RP71
RP100-140: 75 m
[9.52
t0.8
[15.88 [12.7 [15.88
t1.0 t0.8 t1.0
w2 w2
30m 30m 30m
[30m] [20m] [20m]
Standard size
10m 30m 50m
[10m] [30m] [30m]
Standard size
50m w3
[30m]
RP100(RP50o2)
[9.52 [9.52 [9.52 [12.7
[15.88 [15.88 [19.05 [19.05
Standard size Standard size
50m w
50m 50m 50m
[30m] [30m] [30m] [20m]
50m 50m 50m 50m
[30m] [30m] [30m] [20m]
Indoor unit side
Indoor unit
C
Outdoor unit
Outdoor unit side
A
: 50 m
[12.7
t0.8
[19.05 [15.88 [19.05
t1.0 t1.0
t1.0
30m
[20m]
50m 50m
50m
[30m] [20m] [20m]
RP125(RP60o2) • RP140(RP71o2)
[9.52 [9.52 [12.7
[15.88 [19.05 [19.05
Standard size
50m w
50m 50m
[30m] [30m] [20m]
Indoor unit
Distribution pipe
60
<Marks in the table>
: It can be used.
: Cooling capacity is lowered.
: Additional refrigerant charge is required when
the pipe length exceeds 10m.
The maximum pipe length
50m
Charge-less pipe length
[30m]
(2) TRIPLE SYSTEM
<Table 3> Maximum pipe length
RP140(RP50o3)
Main pipe
ø9.52
Liquid pipe
(mm)
ø15.88
[A] Gas pipe
Standard size
Liquid pipe ø6.35
50m w
Gas pipe ø12.7
[30m]
Branch
Liquid pipe ø9.52
pipe
50m
(mm)
Gas pipe ø15.88
[30m]
[B, C, D]
Liquid pipe ø12.7
Gas pipe ø19.05
w The maximum length is 75m in case of new pipes.
Indoor unit side
Indoor unit
B
C
D
Indoor unit
Outdoor unit side
A
<TRIPLE SYSTEM>
Total length A + B + C + D
RP140: 75 m
ø9.52 ø12.7
ø19.05 ø19.05
50m 50m
[30m] [20m]
50m 50m
[30m] [20m]
Outdoor unit