9-6. EXAMPLE EXTERNAL WIRING DIAGRAM FOR A BASIC SYSTEM
■ Example of system when using an M-NET controller
Breaker for Wiring
and Current Leakage
3N ~ 380-400-415 V, 50 Hz
Breaker for Wiring
and Current Leakage
~
/N 220-230-240 V, 50 Hz
■ Example of system when using a Branch Box
<When power is supplied to outdoor unit and branch box separately>
Breaker for Wiring
and Current Leakage
3N 380-400-415 V, 50 Hz
~
Breaker for Wiring
and Current Leakage
~
/N 220-230-240 V, 50 Hz
<When power is supplied to branch box from the outdoor unit>
Breaker for Wiring
and Current Leakage
3N 380-400-415 V, 50 Hz
~
Breaker for Wiring
and Current Leakage
~
/N 220-230-240 V, 50 Hz
OCH760
Outdoor
unit
Pull box
1.25 mm
2
× 2
Indoor unit
Outdoor
unit
Pull box
Transmission cable
1.25 mm
2
or more
(Shield cable)
CITY MULTI series
indoor unit
MA-RC cable
MA
0.3–1.25 mm
2
RC
(0.75–1.25 mm
2
)
B1
Outdoor
B2
unit
;
Pull box
Transmission cable
1.25 mm
2
or more
(Shield cable)
CITY MULTI series
indoor unit
MA-RC cable
0.3–1.25 mm
2
(0.75–1.25 mm
2
)
CITY MULTI series
CITY MULTI series
indoor unit
indoor unit
MA
MA
RC
RC
CITY MULTI series
Branch Box
indoor unit
MA
MA
A-control
RC
RC
indoor unit
MA
RC
115
Group operation
Remote controller wire
Branch Box
A-control
A-control
A-control
indoor unit
indoor unit
indoor unit
MA
MA
MA
RC
RC
RC
Branch Box
A-control
A-control
A-control
A-control
indoor unit
indoor unit
indoor unit
indoor unit
MA
MA
MA
MA
RC
RC
RC
RC