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7
Electrical work
CAUTION
An installation fuse must be used 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.
Be sure to use the cord clamps attached to the
product.
Do not damage or scratch the conductive core
or inner insulator of the power and system
interconnection wires when peeling them.
Use the power and system interconnection wires
with specified thicknesses, specified types and
protective devices required.
1
Remove valve cover screw.
2
Pull the valve cover downward to remove it.
Valve cover
Power supply wire
System
interconnection
wires
33-EN
Wiring between indoor unit
and outdoor unit
The dashed lines show on-site wiring.
(System
(Main circuit)
interconnection wires)
L
1
1
Input power
N
2
2
Remote
3
3
controller
Outdoor unit
Indoor unit
Earth
Circuit
breaker
Connect the system interconnection wires to the
identical terminal numbers on the terminal block of
each unit.
Incorrect connection may cause a failure.
For the air conditioner, connect a power wire with the
following specifications.
Model RAV-
GM90
220-240 V~, 50 Hz
Power supply
220 V~, 60 Hz
Maximum running
17 A
current
Installation fuse rating
20 A
H07 RN-F or 60245 IEC 66
Power supply wire
(2.5 mm² or more)
System interconnection
H07 RN-F or 60245 IEC 66
wires
(1. mm² or more)
0
– 17 –
How to wire
1. Remove the terminal cover by taking off the mounting screw (1 piece).
2. Connect the power supply wires and system interconnection wires to the terminal block of the electrical control
box.
3. Tighten the screws of the terminal block, connect the wires matching the terminal numbers (Do not apply
tension to the connecting section of the terminal block.)
4. Attach the terminal cover.
When connecting the system interconnection wire to the outdoor unit terminal, prevent water from coming into
the outdoor unit.
Insulate the unsheathed cords (conductors) with electrical insulation tape. Process them so that they do not
touch any electrical or metal parts.
For system interconnection wires, do not use a wire joined to another on the way.
Use wires long enough to cover the entire length.
Terminal cover
Stripping length power cord and connecting wire
40
Earth wire
System interconnection wire
Screw
1
2
3
L
Earth screw
System interconnection wire
10
1 2 3
10
L N
10
10
40
30
30
(mm)
Earth wire
Power supply wire
N
Power supply wire
34-EN
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