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Mitsubishi Electric PLA-RP-BA Technical Data Manual Page 89

Mitsubishi electric split-type, heat pump air conditioners.
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8-2-2. TWIN, TRIPLE AND QUADRUPLE SYSTEM
(1) Twin
Maximum pipe length (Main pipe[A]+Branch pipe diameter [ B and C ])
Liquid pipe
Main pipe
(mm)[A]
Gas pipe
[19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75 [19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75
Liquid pipe
[6.35
Gas pipe
[12.7
Liquid pipe
[9.52
Branch
20m
50m
Gas pipe
pipe
[15.88
[20m]
[30m]
[mm]
Liquid pipe
[9.52
[B, C]
20m
50m
Gas pipe
[19.05
[20m]
[30m]
Liquid pipe
[12.7
20m
50m
Gas pipe
[19.05
[20m]
[30m]
w1 The maximum pipe length is 120m in case of new pipping.
w2 When using [31.75 pipe, the outdoor temperature range (dry-bulb temperature) for heating operation is -11 to +21:.
• Be sure to use hard (tempered) one for pipe over [22.2(RP200)/ [19.05(RP250).(Do not use soft (annealed) one.)
(2) Triple
Maximum pipe length (Main pipe [A] + Branch pipe [ B, C and D ])
Main pipe
Liquid pipe
(mm)[A]
Gas pipe
[19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75 [19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75
Liquid pipe
[6.35
Gas pipe
[12.7
Liquid pipe
[9.52
Branch
20m
50m
Gas pipe
pipe
[15.88
[20m]
[30m]
[mm]
Liquid pipe
[9.52
[B, C, D]
20m
50m
Gas pipe
[19.05
[20m]
[30m]
Liquid pipe
[12.7
20m
50m
Gas pipe
[19.05
[20m]
[30m]
w1 The maximum pipe length is 120m in case of new pipping.
w2 When using [31.75 pipe, the outdoor temperature range (dry-bulb temperature) for heating operation is -11 to +21:.
• Be sure to use hard (tempered) one for pipe over [22.2(RP200)/ [19.05(RP250).(Do not use soft (annealed) one.)
(3) Quadruple
Maximum pipe length (Main pipe[A]+Branch pipe [ B, C, D and E ])
Liquid pipe
Main pipe
(mm)[A]
Gas pipe
[19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75 [19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75
Liquid pipe
[6.35
20m
50m
Gas pipe
[12.7
[20m]
[30m]
Liquid pipe
[9.52
Branch
20m
50m
Gas pipe
pipe
[15.88
[20m]
[30m]
[mm]
Liquid pipe
[9.52
[B, C, D, E]
20m
50m
Gas pipe
[19.05
[20m]
[30m]
Liquid pipe
[12.7
Gas pipe
[19.05
w1 The maximum pipe length is 120m in case of new pipping.
w2 When using [31.75 pipe, the outdoor temperature range (dry-bulb temperature) for heating operation is -11 to +21:.
• Be sure to use hard (tempered) one for pipe over [22.2(RP200)/ [19.05(RP250).(Do not use soft (annealed) one.)
<Marks in the table above>
SW : When the outdoor unit is located lower than
the indoor unit, set DIP SW8-1 on the outdoor
unit controller board to ON.
: It can be used.
SW
: Cooling capacity is lowered.
: Additional refrigerant charge is required when
the pipe length exceeds 20m.
70m
The maximum pipe length
Charge-less pipe length
[30m]
RP200 twin (RP100O2)
[9.52
[12.7
Standard
sw
size
70m
20m
50m
70m
70m
70mw1
[30m]
[20m]
[30m]
[30m]
[30m]
[30m]
sw
50m
70m
70m
20m
70m
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
sw
70m
70m
20m
50m
70m
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
RP200 triple (RP60O3)
[9.52
[12.7
Standard
sw
size
70m
20m
50m
70m
70m
70mw1
[30m]
[20m]
[30m]
[30m]
[30m]
[30m]
sw
50m
70m
70m
20m
70m
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
sw
70m
70m
20m
50m
70m
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
RP200 quadruple (RP50O4)
[9.52
[12.7
Standard
sw
size
70m
20m
50m
70m
70m
70mw1
[30m]
[20m]
[30m]
[30m]
[30m]
[30m]
sw
50m
70m
70m
20m
70m
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
sw
70m
70m
20m
50m
70m
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
Refer to <Table6>.
Refer to <Table7>.
[15.88
w2 sw
sw
sw
50m
50m
50m
50m
20m
50m
[20m]
[20m]
[20m]
[20m]
[20m]
[30m]
w2 sw
sw
sw
50m
50m
50m
50m
20m
50m
[20m]
[20m]
[20m]
[20m]
[20m]
[30m]
w2 sw
sw
sw
50m
20m
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
[20m]
[30m]
[15.88
w2 sw
sw
sw
50m
50m
50m
50m
20m
50m
[20m]
[20m]
[20m]
[20m]
[20m]
[30m]
w2 sw
sw
sw
50m
50m
50m
50m
20m
50m
[20m]
[20m]
[20m]
[20m]
[20m]
[30m]
w2 sw
sw
sw
50m
50m
50m
20m
50m
50m
[20m]
[20m]
[20m]
[20m]
[20m]
[30m]
[15.88
w2 sw
sw
sw
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
w2 sw
sw
sw
50m
50m
50m
50m
20m
50m
[20m]
[20m]
[30m]
[20m]
[20m]
[20m]
w2 sw
sw
sw
50m
50m
50m
50m
20m
50m
[20m]
[20m]
[20m]
[20m]
[20m]
[30m]
20m
50m
[20m]
[30m]
89
RP250 twin (RP125O2)
[9.52
[12.7
Standard
SW
size
70m
70m
20m
50m
70mw1
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
SW
70m
70m
70m
70m
20m
50m
[30m]
[30m]
[30m]
[30m]
[20m]
[30m]
SW
20m
50m
70m
70m
70m
70m
[20m]
[30m]
[30m]
[30m]
[30m]
[30m]
RP250 triple (RP71O3)
[9.52
[12.7
Standard
SW
size
70m
70m
20m
50m
70m
70mw1
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
SW
70m
70m
70m
70m
20m
50m
[30m]
[30m]
[30m]
[30m]
[20m]
[30m]
SW
20m
50m
70m
70m
70m
70m
[20m]
[30m]
[30m]
[30m]
[30m]
[30m]
RP250 quadruple (RP60O4)
[9.52
[12.7
SW
Standard
size
70m
70m
20m
50m
70mw1
70m
[30m]
[30m]
[20m]
[30m]
[30m]
[30m]
SW
70m
70m
70m
70m
20m
50m
[30m]
[30m]
[30m]
[30m]
[20m]
[30m]
SW
20m
50m
70m
70m
70m
70m
[20m]
[30m]
[30m]
[30m]
[30m]
[30m]
[15.88
w2
SW
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
w2
SW
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
SW
SW w2
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
[15.88
SW
w2
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
w2
SW
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
w2
SW
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
[15.88
w2
SW
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
SW
w2
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]
w2
SW
SW
SW
50m
50m
50m
50m
[20m]
[20m]
[20m]
[20m]

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