Mitsubishi Electric City Multi PURY-P72TNU-A-BS Manuel D'installation page 22

9-4-2. Example of pipe connection between an outdoor unit and BC controller, and between a BC
controller and indoor unit (R2 system)
P72 to P168
EP72 to EP240
Unit 1
Ⓐ
Ⓙ
A
Ⓘ
A
Ⓕ
a
b
a
Ⓝ Ⓞ
Ⓓ Ⓔ
P192 to P336
EP192 to EP432
Unit 1
Unit 2
Ⓐ
Ⓐ
A1
A2
A2
A1
Ⓗ
Ⓙ
A
Ⓘ
a
Ⓝ Ⓞ
Ⓓ
*1
j
Ⓑ Ⓒ
l
i
k
Ⓔ
* Contact your dealer for pipe connection examples when connecting CMB-P**NU-J1, CMB-P**NU-JA1, CMB-P**NU-KA1, or CMB-P**NU-KB1.
WT09106X03
Ⓑ
b
Ⓖ
B
B
c
c
Ⓓ
*1
A
Ⓛ
C
Ⓚ
Ⓑ
C
Ⓜ
C
Ⓕ
b
a
b
Ⓖ
B
B
c
c
Ⓔ Ⓓ
*1
Ⓓ
d
d
Ⓓ
e
e
Ⓒ
Ⓖ D D Ⓖ
D
E
E
E
F
F
F
Ⓒ
d
f
d f
Ⓓ
Ⓓ
GB-20
Ⓐ Outdoor unit
BC controller (Main)
Ⓑ
BC controller (Sub)
Ⓒ
Ⓓ Indoor unit (Total capacity of downstream indoor
units: 05 to 30)
Indoor unit (Total capacity of downstream indoor
Ⓔ
units: 72 to 96)
Joint Pipe Kit
Ⓕ
2-Branch Joint Pipe
Ⓖ
Ⓗ Outdoor unit twinning kit
Ⓘ High-pressure pipe (A, A
Ⓙ Low-pressure pipe (A, A
1
Ⓚ High-pressure pipe (C, D, E, F, G, H, I)
Low-pressure pipe (C, D, E, F, G, H, I)
Ⓛ
Ⓜ Liquid pipe (C, D, E, F, G, H, I)
Ⓝ Liquid pipe (a, b, c, d, e, f, g, h)
Ⓞ Gas pipe (a, b, c, d, e, f, g, h)
Ⓖ
G I
I
G
I
G
H
H
H
Ⓒ
g
g
Ⓓ
, A )
1 2
, A )
2
Ⓒ
h
h
Ⓓ