Example External Wiring Diagram For A Basic System; Example Of System When Using An M-Net Controller; Example Of System When Using A Branch Box - Mitsubishi Electric PUMY-P250YBM Technical & Service Manual

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