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

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]