En-8
Simultaneous twin ( 22, 24 type only )
R
W
B
Wired remote
controller
Indoor unit
(Primary)
Outdoor unit
Remote controller cable
Power line
Bus wire
(Local purchase)
Black
White
Red
Control line
Indoor unit
(Secondary)
Indoor unit
(Primary)
Indoor unit
(Secondary)
Junction box
(Local purchase)
Connection cable
Wired remote controller cable
Wired remote controller is recommended using simultaneous twin or triple connection.
CAUTION
Tighten the indoor unit connection cable and power supply indoor and outdoor unit,
branch box terminal board connections
fi
rmly with the terminal board screws. Faulty
connection may cause a
fi
re.
If the indoor unit connection cable and power supply are wired incorrectly, the air
conditioner may be damaged.
Connect the indoor unit connection cable by matching the numbers of the outdoor and
indoor units terminal board numbers as shown in terminal label.
Earth (Ground) both the indoor and outdoor, units by attaching a earth (ground) cable.
Unit shall be grounded in compliance with the country or region's regulations.
CAUTION
Be sure to refer to the above diagram for do correct
fi
eld wiring. Wrong wiring causes
malfunction of the unit.
Check local electrical rules and also any speci
fi
c wiring instructions or limitation.
6.2. Connection cable preparation
Keep the earth (ground) wire longer than the other wires.
Power supply cable
or connection cable
20 mm
50mm or more
Earth
(ground) wire
Use a 4-core wire cable.
6.3. Connection of wiring
CAUTION
Use care not to mistake the power supply cable and connection wires when installing.
Remove the control box cover and install each connection wire.
(1)
Screw
Control box cover
22,24 model
(2)
After wiring is complete, secure the remote controller cable, transmission cable, with the
cable tie and the clamper.
Detail (a)
(a)
Wire clamper
(Accessory)
Transmission
cable
С
able tie (Accessory)
Remove excess
after installing
С
able tie (Accessory)
Remove excess after installing
Remote
controller cable
45 mm
Other models
(2)
After wiring is complete, secure the remote controller cable, connection cable, and power
supply cable with the cable clamps.
Connection cable
(to outdoor unit)
Cable clamp
Cable clamp
45 mm
Remote control-
ler cable
Install control box cover.
(3)
Adjust the position of the screws for control box cover according to the installation.
CAUTION
Do not bundle the remote controller cable, or wire the remote controller cable in paral-
lel, with the indoor unit connection wire (to the outdoor unit) and the power supply
cable. It may cause erroneous operation.
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23/01/2013 16:25:43
