Mitsubishi Electric City Multi R2 Series Installation Manual page 26

9-4-2. Example of pipe connection between an outdoor unit and BC controller, and
between a BC controller and indoor unit (R2 system)
P200 to P550YNW-A
EP200 to EP550YNW-A
Unit 1
Ⓐ
Ⓙ
A
Ⓘ
A
Ⓕ
a
b
a
Ⓝ Ⓞ
Ⓔ
Ⓓ
P400 to P1100YSNW-A
EP400 to EP1100YSNW-A
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**-V-G1, CMB-P**-V-GA1, CMB-P**-V-HA1, CMB-P**-V-GB1, or
CMB-P**-V-HB1.
WT08432X01
Ⓑ
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
Ⓒ
f
d
f
d
Ⓓ Ⓓ
GB-24
Ⓐ
Outdoor unit
Ⓑ
BC controller (Main)
Ⓒ
BC controller (Sub)
Ⓓ
Indoor unit (Total capacity of downstream indoor
units: 15 to 80)
Ⓔ
Indoor unit (Total capacity of downstream indoor
units: 100 to 250)
Ⓕ
Joint Pipe Kit
Ⓖ
2-Branch Joint Pipe
Ⓗ
Outdoor unit twinning kit
Ⓘ
High-pressure pipe (A, A
1
Ⓙ
Low-pressure pipe (A, 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
G I
G I
H
H
H
Ⓒ
g
g
Ⓓ
, A )
2
)
2
Ⓒ
h
h
Ⓓ