Model - Toshiba RAV-GM2241AT8-E1 Installation Manual

 Wiring between indoor unit
and outdoor unit
The dashed lines show on-site wiring.
Input power
380-415V 3N~ 50Hz
L1
L2
L3 Outdoor unit
Ν
1 2 3
Circuit
breaker
1 2 3 1 2 3
Indoor unit Indoor unit
(main) (secondary) (secondary)
A B A B
Remote controller
• Connect the indoor/outdoor connecting wires to the
identical terminal numbers on the terminal block of
each unit.
Incorrect connection may cause a failure.
39-EN
For the air conditioner, connect a power wire with the
following specifications.
 Power and Wiring
Specifications

Model

GM224 type
(RAV-)
Power supply 380-415 V 3N ~ 50 Hz
Maximum running
18.0 A
current
Installation fuse
25 A
rating
5 × 2.5 mm² or more
Power wire*
1 2 3
(H07 RN-F or 60245 IEC 66)
Indoor unit
4 × 1.5 mm² or more
Indoor/outdoor
connecting wires*
(H07 RN-F or 60245 IEC 66)
* Number of wire × wire size
A B
How to wire
1. Connect the indoor/outdoor connecting wires to the
terminal as identified with their respective numbers
on the terminal block of the indoor and outdoor units.
H07 RN-F or 60245 IEC 66 (1.5 mm² or more)
2. When connecting the connecting wire to the outdoor
unit terminal, prevent water from coming into the
outdoor unit.
3. Secure the power supply wire and indoor/outdoor
GM280 type
connecting wires using the cord clamp of the
outdoor unit.
4. For interconnecting wires, do not use a wire joined
23.0 A
to another on the way.
Use wires long enough to cover the entire length.
25 A
5. Wiring connections differ in conformance to
EMC standards, depending whether the system
is twin, triple or double twin. Connect wires
according to respective instructions.
CAUTION
• Fuse must be used in installation for the power
supply line of this air conditioner.
• Incorrect/incomplete wiring may lead to an
electrical fire or smoke.
• Prepare an exclusive power supply for the air
conditioner.
• This product can be connected to the mains power.
Fixed wire connections:
A switch that disconnects all poles and has a
contact separation of at least 3 mm must be
incorporated in the fixed wiring.
– 20 –
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 3
Indoor/Outdoor
connecting wires
1 2 3
Outdoor side
L1 L2 L3 N
Power supply
Simultaneous twin system
Remote controller
Remote controller
inter-unit wiring
Remote controller wiring
A B A B
Indoor side
Indoor side
1 2 3 1 2 3
Indoor/Outdoor
connecting wires
Indoor power
1 2 3
inter-unit wiring
Outdoor side
L1 L2 L3 N
Power supply
40-EN