Toshiba RAV-SM1603AT-E1 Installation Manual page 17

Wiring diagram
* For details on the remote controller wiring/installation, refer to the Installation Manual enclosed with the remote
controller.
Single system
Remote controller
Remote controller wiring
A B
Indoor side
1 2
Indoor/Outdoor connecting
wires
1 2
Outdoor side
L N
Power supply
Simultaneous triple system
Remote controller
Remote controller
wiring
A B
Indoor side
1 2 3
Indoor/Outdoor
connecting wires
1 2 3
Outdoor side
L N
220-240V~
* Use 2-core shield wire (MVVS 0.5 to 2.0 mm² or more) for the remote controller wiring in the simultaneous twin
system to prevent noise problems. Be sure to connect both ends of the shield wire to earth leads.
* Connect earth wires for each indoor unit in the simultaneous twin system.
EN-31
Simultaneous twin system
Remote controller
Remote controller
wiring
3
A B
Indoor side
3
1 2 3
Indoor/Outdoor
connecting wires
1 2 3
Outdoor side
L N
Power supply
Remote controller Remote controller
inter-unit wiring inter-unit wiring
A B
Indoor side Indoor side
1 2 3
Indoor power Indoor power
inter-unit wiring inter-unit wiring
Single system
To Indoor unit
terminal block
Remote
controller
inter-unit
wiring
Indoor
A B
side
1 2 3
Indoor
Connecting wire
power
inter-unit
wiring
Twin system, Triple system
WARNING
For simultaneous twin and triple systems, perform the following to conform to EMC standards.
1. Attach the supplied ferrite core (white) to indoor/outdoor connecting wires.
• Pass indoor/outdoor connecting wires a and b through the supplied ferrite core and wind them in a single
turn, then connect them to the terminals of the outdoor unit. Connect the indoor/outdoor connecting wire c
A B
and earth wire directly to the outdoor unit terminals.
2. Attach the supplied clamp filter (gray) to the outdoor fan motor lead wire.
1 2 3
• Attach the supplied clamp filter securely to the fan motor lead wire (lower) in the electric parts box of the
outdoor unit.
• For details on how to install the indoor unit, refer to the Installation Manual supplied with the indoor unit.
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Stripping length power cord and connecting wire
Power supply
terminal block
1 2 3
1 2 3
L N
Earth screw
Earth screw
Pipe valve
Power supply wire
fixing plate
L N
L N
10
1 2 3
10
10
10
50
60
40
30
Earth line
(mm)
Earth line
Power supply wire
Connecting wire
EN-32