Mitsubishi Electric PLA-RP·BA Technical Data Book page 56

(3) QUADRUPLE SYSTEM
<Table 2-2> Maximum pipe length(P200, 250)
O.D. 9.52
Liquid
Main
t0.8
pipe
pipe
Thickness
(mm)
Gas O.D. 22.2 25.4
[A]
pipe
t1.0 t1.0
Thickness
Liquid
Standard
6.35
pipe
size
Gas
50m 70m
Branch
12.7
[30m]
pipe [30m]
pipe
(mm)
Liquid
[B,C] 9.52
pipe
50m
70m
Gas
15.88
[30m] [30m]
pipe
Indoor unit
Distribution pipe
(4) Pipe size and refrigerant pipe limits
Outdoor
unit
Outdoor unit side Indoor unit side Outdoor unit side Indoor unit side
15.88
TWIN 100-140
<5/8>
TRIPLE 140
25.4 <1>
TWIN
TRIPLE
200, 250
QUADRUPLE
Note1. The number of bends in the refrigerant pipe is respectively 8 or less in the range of <A+B> <A+C> <A+D>.
2. PUHZ-P100: 20 m chargeless
P200(RP50x4)
12.7
t0.8
28.58 22.2 25.4 28.58 22.2
t1.0 t1.0 t1.0 t1.0 t1.0
70m 50m 50m 50m 40m
[30m] [20m] [20m] [20m] [20m]
70m 50m 50m 50m 40m
[30m] [20m] [20m] [20m] [20m]
Indoor unit side
Indoor unit
B
C
Outdoor unit side
A
<TWIN SYSTEM>
Total length A + B + C
P100-140: 50 m
P200, 250: 70 m
Pipe size (mm)
Gas side Liquid side
RP50 9.52<3/8>
12.7<1/2>
RP60,71
15.88<5/8>
RP60,71 9.52<3/8>
100, 125
(P200)
15.88<5/8>
12.7<1/2>
(P250)
RP50
12.7<1/2>
RP60
15.88<5/8>
PUHZ-P125-250: 30 m chargeless
15.88 9.52
t1.0 t0.8
25.4 28.58 31.75 22.2 25.4
t1.0 t1.0 t1.1 t1.0 t1.0
40m 40m 40m
[20m] [20m] [20m]
40m 40m 40m 50m 70m
[20m] [20m] [20m] [30m] [30m]
Indoor unit
Outdoor unit
Distribution pipe
Indoor unit
B
C
D
E
Indoor unit
Distribution pipe
A
<QUADRUPLE SYSTEM>
Total length A + B + C + D + E
P200, 250 : 70 m
Actual piping length <m>
Indoor ~
Total length
A+B+C+D+E
RP50 50m |B-C|
6.35<1/4>
8m
RP60,71
|B-C| |C-D| |B-D|
9.52<3/8>
8m
|B-C|
RP60,71 70m
100, 125 8m
9.52<3/8>
|B-C| |C-D| |B-D|
8m
|B-C| |B-D| |B-E|
RP50
6.35<1/4>
|C-D| |C-D| |C-E|
RP60
8m
9.52<3/8>
56
P250(RP60x4)
12.7
t0.8
28.58 22.2 25.4 28.58 22.2
t1.0 t1.0 t1.0 t1.0 t1.0
Standard
size
70m 50m 70m 70m 45m
[30m]
[30m] [30m] [30m] [20m]
Indoor unit side
Indoor unit
B
C
D
Indoor unit
Outdoor unit side
A
<TRIPLE SYSTEM>
Total length A + B + C + D
P140: 50 m
P200, 250: 70 m
Indoor unit
Indoor unit
Outdoor unit
Height deffence <m>
Branch
Indoor ~
pipe
Indoor Outdoor
B, C, D
20m H30m
30m
15.88
t1.0
25.4 28.58 31.75
t1.0 t1.0 t1.1
45m 45m 45m
[20m] [20m] [20m]
Outdoor unit
(Note 1)
Indoor ~ No. of
bend
Indoor
h 1m 15