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7
Electrical work
WARNING
1
Using the specified wires, ensure that the
wires are connected, and fix wires securely
so that the external tension to the wires
does not affect the connecting part of the
terminals.
Incomplete connection or fixation may cause a
fire, etc.
2
Be sure to connect the earth wire.
(grounding work)
Incomplete grounding may lead to electric
shock.
Do not connect ground wires to gas pipes, water
pipes, lightning rods or ground wires for telephone
wires.
3
The appliance shall be installed in
accordance with national wiring regulations.
Capacity shortages of the power circuit or an
incomplete installation may cause an electric
shock of fire.
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 Indoor / Outdoor connecting
wires when peeling them.
Use the power and Indoor / Outdoor connecting wires
with specified thicknesses, specified types and
protective devices required.
31-EN
on the front side.
wiring. If the hole size does not fit the wiring pipe to
be used, drill the hole again to an appropriate size.
Be sure to clamp the power wires and Indoor / Outdoor
connecting wires with a banding band along the
connecting pipe so that the wires do not touch the
compressor or discharge pipe.
(The compressor and the discharge pipe become
hot.)
Furthermore, be sure to secure these wires with the
pipe valve fixing plate and cord clamps stored in the
electric parts box.
Electric part
box
Service
panle
Cord
clamp
Pipe
hole
Wiring between indoor Unit
and Outdoor unit
The dashed lines show on-site wiring
Input power
Wired
380–415V 3N~, 50Hz
Outdoor unit
Indoor unit
remote
380V 3N~, 60Hz
controller
Circuit
breaker
Connect the Indoor / Outdoor connecting wires to the
identical terminal number 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-
GV1601
380-415 V 3N ~, 50 Hz
Power supply
380 V 3N ~, 60 Hz
Maximum running current
11.5 A
Installation fuse rating
16 A (all types can be used)
H07 RN-F or 60245 IEC 66
Power supply wire
(5 x 2.5 mm
H07 RN-F or 60245 IEC 66
Indoor / Outdoor connecting
(4 x 1.5 mm
wires
How to wire
1. Connect the power supply wires and Indoor / Outdoor
connecting wires to the terminal block of the
electrical control box.
2. 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.)
When connecting the Indoor / Outdoor connecting
wires 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 Indoor / Outdoor connecting wires, do not use
a wire joined to another on the way.
Use wires long enough to cover the entire length.
To Indoor unit
Power supply
terminal block
terminal block
Earth screw
Pipe valve
fixing plate
Indoor / Outdoor
Power supply wire
connecting
wires
– 16 –
Stripping length power cord and
connecting wire
2
or more)
Connecting line
Earth wire
2
or more)
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
L1(R)
L2(Y)
Power supply
* 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.
Earth screw
Earth wire
Power supply
3
3
N
L3(B)
EN
ID
ID
32-EN
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