135
9-5. SYSTEM SWITCH SETTING
In order to identify the destinations of signals to the outdoor units, indoor units, and remote controller of the MULTI-S series,
each microprocessor must be assigned an identification number (address). The addresses of outdoor units, indoor units, and
remote controller must be set using their settings switches. Please consult the installation manual that comes with each unit for
detailed information on setting procedures.
9-6. EXAMPLE EXTERNAL WIRING DIAGRAM FOR A BASIC SYSTEM
Outdoor
unit
Grounded
Group operation
Remote controller wire
Pull box
Indoor unit
Breaker for Wiring
and Current Leakage
Breaker for Wiring
and Current Leakage
1.25mm
2
× 2
Power supply
3 phase 4 wire
380/400/415 V, 50 Hz
Power supply
single phase
220/230/240 V, 50 Hz
Outdoor
unit
Grounded
Pull box
MA
RC
Breaker for Wiring
and Current Leakage
Breaker for Wiring
and Current Leakage
1.25 mm
2
or more
(Shield cable)
3N 380/400/415 V, 50 Hz
■
Example of system when using a Branch Box
■
Example of system when using a M-NET controller
<When power is supplied separately>
～
/N 220/230/240 V, 50 Hz
～
/N 220 V, 60 Hz
～
Transmission cable
M-NET control
indoor unit
M-NET control
indoor unit
MA
RC
M-NET control
indoor unit
MA
RC
Branch Box
A-control
indoor unit
MA
RC
A-control
indoor unit
MA
RC
A-control
indoor unit
MA
RC
0.3–1.25 mm
2
(0.75–1.25 mm
2
)
MA-RC cable
Outdoor
unit
Grounded
Pull box
MA
RC
Breaker for Wiring
and Current Leakage
Breaker for Wiring
and Current Leakage
1.25 mm
2
or more
(Shield cable)
3N 380/400/415 V, 50 Hz
～
/N 220/230/240 V, 50 Hz
～
/N 220 V, 60 Hz
～
Transmission cable
M-NET control
indoor unit
M-NET control
indoor unit
MA
RC
Branch Box
A-control
indoor unit
MA
RC
A-control
indoor unit
MA
RC
0.3–1.25 mm
2
(0.75–1.25 mm
2
)
MA-RC cable
<When power is supplied from outdoor unit>
B1
B2
;
Branch Box
A-control
indoor unit
MA
RC
A-control
indoor unit
MA
RC
A-control
indoor unit
MA
RC
Note that the number of connectable units may be limited by some conditions such as an indoor unit's capacity or each unit's equivalent power consumption.
(Refer to DATA BOOK.)
OCH576
Summary of Contents for PUMY-P112VKM1
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