Mitsubishi Electric CMB-WM350F-AA Installation Manual page 6

5
[Fig. 5.1.5]
Total down-stream indoor unit capacity
W/WP/WL10
W/WP/WL11 - W/WP/WL15
W/WP/WL16 - W/WP/WL25
W/WP/WL26 - W/WP/WL32
W/WP/WL33 - W/WP/WL50
W/WP/WL51 - W/WP/WL63
W/WP/WL64 - W/WP/WL80
W/WP/WL81 - W/WP/WL100
W/WP/WL101 - W/WP/WL150
W/WP/WL151 - W/WP/WL250
W/WP/WL251 - W/WP/WL300
W/WP/WL301 - W/WP/WL750
*1 When connecting CMB-WM108/1016V-AA and CMB-WM108/1016V-BB, refer to the installation manual for CMB-WM108/1016V-AA about pipe size.
*2 Piping length from Main-HBC to the farthest indoor unit
K
F
D
K
A
F
H
B
L
C
6 5 4
Fig. A
M
N
1 2 3 4 5
Fig. B
N
1 2 3 4 5
Fig. C
[Fig. 5.1.6]
A
B
6
Pipe size between Main-HBC and Sub-HBC *1
Pipe size between Main-HBC and indoor unit *1
Pipe size between Sub-HBC and indoor unit *1
Max 20 m *2
I.D. ≥ 12 mm
I.D. ≥ 12 mm
I.D. ≥ 15.5 mm
I.D. ≥ 15.5 mm
I.D. ≥ 19.9 mm
I.D. ≥ 19.9 mm
I.D. ≥ 25.2 mm
I.D. ≥ 25.2 mm
I.D. ≥ 32.6 mm
I.D. ≥ 32.6 mm
I.D. ≥ 32.6 mm
I.D. ≥ 50.8 mm
J
F
J
D D
J
F
I
E E E E E
G
3 2 1
N
M N M
6 7 8 9 10 11 12 13 14 15 16
M
6 7 8
A Connection pipe from Sub-HBC
C
B Connection pipe from indoor unit
C Auto air vent
D
D T-joint
E
E Piping for Sub-HBC or indoor unit side
F Piping for Main-HBC side
F
5.1
Max 40 m *2 Max 60 m *2
I.D. ≥ 12 mm I.D. ≥ 12 mm
I.D. ≥ 12 mm I.D. ≥ 15.5 mm
I.D. ≥ 15.5 mm I.D. ≥ 15.5 mm
I.D. ≥ 19.9 mm I.D. ≥ 19.9 mm
I.D. ≥ 19.9 mm I.D. ≥ 19.9 mm
I.D. ≥ 25.2 mm I.D. ≥ 25.2 mm
I.D. ≥ 25.2 mm I.D. ≥ 25.2 mm
I.D. ≥ 25.2 mm I.D. ≥ 32.6 mm
I.D. ≥ 32.6 mm I.D. ≥ 32.6 mm
I.D. ≥ 32.6 mm II.D. ≥ 39.6 mm
I.D. ≥ 39.6 mm I.D. ≥ 50.8 mm
I.D. ≥ 50.8 mm I.D. ≥ 50.8 mm
A To outdoor unit
B End connection (brazing)
C Main-HBC: Maximum total capacity of connected indoor units: W/WP/WL170
D Sub-HBC: Maximum total capacity of connected indoor units: W/WP/WL250
E Indoor unit
F Branch joint (field supply)
H
G Up to three units for 1 branch hole; total capacity: below 80 (but in same mode,
cooling/heating)
H Shutoff valve (field supply)
E E
I Pressure control valve (field supply)
J Auto air vent valve (Highest point on the water pipe for each branch)
(field supply)
K Auto air vent valve (Top position of piping on Main-HBC) (field supply)
L Joint (field supply)
M Pump 1 circuit
N Pump 2 circuit