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Applicable Extension Pipe For Each Model; Pipe Length - Mitsubishi Electric PLA-RP-BA Technical Data Manual

Mitsubishi electric split-type, heat pump air conditioners.
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8

APPLICABLE EXTENSION PIPE FOR EACH MODEL

8-1. PUHZ-RP·VHA2

8-1-1. PIPE LENGTH

(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. RP50 : maximum pipe length is 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.
(2) TWIN AND TRIPLE SYSTEM
(a) 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
PUHZ-RP100-140YHA2
[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
50m
30m
[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
PUHZ-RP·VHA3
[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
83
PUHZ-RP100YHA3
<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]
(b) 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

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