Mitsubishi Electric City Multi PURY-HP-TNU-A Série Manuel D'installation page 20

9-4-2. Example of pipe connection between an outdoor unit and BC controller, and between a BC
controller and indoor unit (R2 system)
HP72 to HP120
Unit 1
Ⓐ
Ⓙ
A
Ⓘ
A
Ⓑ
Ⓕ
a
b
a
b
Ⓝ Ⓞ
Ⓔ
Ⓓ
*1
HP144 to HP240
Unit 1
Unit 2
Ⓐ
Ⓐ
A1
A2
A2
A1
Ⓗ
Ⓙ
A
A
Ⓘ
Ⓕ
a
a
Ⓝ Ⓞ
Ⓓ
*1
j
Ⓑ Ⓒ
l
i
k
Ⓔ
* Contact your dealer for pipe connection examples when connecting CMB-P**-NU-G1, CMB-P**-NU-GA1, CMB-P**-NU-HA1, CMB-P**-NU-GB1, or CMB-P**-NU-HB1.
WT09112X02
Ⓓ
d
d
Ⓖ
B
B
c
c
Ⓓ
Ⓓ
e
Ⓒ
Ⓖ
D D
Ⓖ
Ⓛ
D
C
Ⓚ
C
Ⓜ
Ⓑ
C
b
b
Ⓖ
B
B
c
d
d
c
Ⓔ Ⓓ Ⓓ
*1
Outdoor unit
Ⓐ
BC controller (Main)
Ⓑ
BC controller (Sub)
Ⓒ
Indoor unit (Total capacity of downstream indoor
Ⓓ
units: 06 to 30)
Indoor unit (Total capacity of downstream indoor
Ⓔ
units: 36 to 96)
Joint Pipe Kit
Ⓕ
2-Branch Joint Pipe
Ⓖ
Outdoor unit twinning kit
Ⓗ
High-pressure pipe (A, A
Ⓘ
Low-pressure pipe (A, A
Ⓙ
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)
Ⓞ
e
Ⓖ
G
E
G
E
G
E
F
F
F
Ⓒ
f
f
Ⓓ
GB-18
, A )
1 2
, A )
1 2
Ⓖ
I
I
I
H
H
H
Ⓒ Ⓒ
g
h
g
h
Ⓓ Ⓓ