Mitsubishi Electric M Series Installation Manual page 10

8. Electrical work
Supply power separately to branch box and outdoor unit
Circuit breaker
E
Outdoor unit
Circuit breaker
L
B1
E
N
B2
M1
M2
Supply power separately to branch box and outdoor unit
When installing the unit in a regular house. (Refer to Note 3)
Circuit breaker
E
E
Outdoor unit
Circuit breaker
L
B1
E
N
B2
M1
M2
10
M-NET Branch BOX #1
(5-branches type)
Indoor unit
(C)
TB3A
(A) TB2B
S1 S1
L
S2 S2
N
S3 S3
TB3B (C)
S1 S1
TB5
S2 S2
M1
S3 S3
M2
S
(C)
TB3C
(B)
S1 S1
S2 S2
S3 S3
(C)
TB3
S1 S1
S2 S2
S3 S3
(C)
TB3
S1 S1
S2 S2
S3 S3
(C)
(A)
TB2B TB3A
S1 S1
L
S2 S2
N
S3 S3
(C)
TB3B
TB5 S1 S1
M1 S2 S2
S3 S3
M2
S
(C)
TB3C
(B)
S1 S1
S2 S2
S3 S3
Indoor unit
M-NET Branch BOX #2
(3-branches type)
M-NET Branch BOX #1
(5-branches type)
Indoor unit
Reactor Box
(C)
(A) (Optional parts) TB3A
TB2B
(A)
S1 S1
L L L
S2 S2
N N N
S3 S3
(C)
TB3B
S1 S1
TB5
S2 S2
M1
S3 S3
M2
S
(C)
TB3C
(B)
S1 S1
S2 S2
S3 S3
(C)
TB3 D
S1 S1
S2 S2
S3 S3
(C)
TB3 E
S1 S1
S2 S2
S3 S3
Reactor Box
(A)
(C)
(Optional parts)
(A)
TB2B TB3A
S1 S1
L L L
S2 S2
N N N
S3 S3
(C)
TB3B
TB5 S1 S1
M1 S2 S2
M2 S3 S3
S
(C)
TB3C
(B)
S1 S1
S2 S2
S3 S3
Indoor unit
M-NET Branch BOX #2
(3-branches type)
Fig. 8-8
8.2. External wiring procedure (Fig. 8-8, Fig 8-9)
Power supply from Outdoor unit
Outdoor unit
Circuit breaker
* Refer to installation manual of the outdoor unit
L
E
N
A ROOM
B ROOM
C ROOM
D ROOM
E ROOM
A ROOM
B ROOM
C ROOM
Power supply from Outdoor unit
When installing the unit in a regular house. (Refer to Note 3)
Outdoor unit
Circuit breaker
* Refer to installation manual of the outdoor unit
L1
L2
E
L3
A ROOM
N
B ROOM
C ROOM
D ROOM
E ROOM
A ROOM
B ROOM
C ROOM
E
Power supply: Single phase 220/230/240 V 50 Hz, 220 V 60 Hz
M-NET Branch BOX #1
(5-branches type)
TB3A
TB2B
(A)
L
B1
N
B2
TB3B
TB5
M1
M1
M2
M2
S
TB3C
(B)
TB3D
TB3E
(A)
TB3A
TB2B
L
N
TB3B
TB5
M1
M2
S
TB3C
(B)
M-NET Branch BOX #2
(3-branches type)
M-NET Branch BOX #1
(5-branches type)
Reactor Box
(Optional parts)
TB3A
TB2B
(A)
(A)
L
B1 L L
N
N N
B2
TB3B
TB5
M1
M1
M2
M2
S
TB3C
(B)
TB3D
TB3E
(A)
TB3A
TB2B
L
N
TB3B
TB5
M1
M2
S
TB3C
(B)
M-NET Branch BOX #2
(3-branches type)
Indoor unit
(C)
S1 S1
A ROOM
S2 S2
S3 S3
(C)
S1 S1
B ROOM
S2 S2
S3 S3
(C)
S1 S1
C ROOM
S2 S2
S3 S3
(C)
S1 S1
D ROOM
S2 S2
S3 S3
(C)
S1 S1
E ROOM
S2 S2
S3 S3
(C)
S1 S1
A ROOM
S2 S2
S3 S3
(C)
S1 S1
B ROOM
S2 S2
S3 S3
(C)
S1 S1
C ROOM
S2 S2
S3 S3
Indoor unit
Indoor unit
(C)
S1 S1
A ROOM
S2 S2
S3 S3
(C)
S1 S1
B ROOM
S2 S2
S3 S3
(C)
S1 S1
C ROOM
S2 S2
S3 S3
(C)
S1 S1
D ROOM
S2 S2
S3 S3
(C)
S1 S1
E ROOM
S2 S2
S3 S3
(C)
S1 S1
A ROOM
S2 S2
S3 S3
(C)
S1 S1
B ROOM
S2 S2
S3 S3
(C)
S1 S1
C ROOM
S2 S2
S3 S3
Indoor unit