Installation Manual
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29
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29-EN
Wiring connection (twin, triple,
double twin system)
1
Connect a header unit by following the
procedure of wiring connection for single
system.
2
Connect Indoor / Outdoor connecting wires
1 and 2 of follower unit to terminal 1 and 2
on terminal block respectively.
Indoor / Outdoor connecting wires 3 is not used.
3
Connect the earth wire to the earth screw
located on the underside of the electrical
control box.
4
Clamp the Indoor / Outdoor connecting
wires with the cord clamp.
5
Attach the terminal cover and the air
intake grille to the indoor unit.
T
When using optional wired remote
controller
The Indoor / Outdoor connecting wires and the wired
remote controller wire can be connected without
removing the front panel.
1
Remove the air intake grille.
Open the air intake grille upward and pull it
toward you.
2
Remove the terminal cover and the clamp
base.
3
Insert the Indoor / Outdoor connecting wires
and wired remote controller wire (according
to the local rule) into the pipe hole on the
wall.
4
Take the Indoor / Outdoor connecting wires
and wired remote controller wire out of the
cable slot on the rear panel so that it
protrudes about 150 mm from the front.
5
Insert the wired remote controller wire fully
into the wired remote controller / central
control terminal block,
A
,
B
and secure it
tightly with screws.
Strip off approx. 9 mm the wire to be
connected.
Non polarity, 2 core wire is used for wiring
of the wired remote controller.
(0.5 mm² to 2.0 mm² wires)
6
Clamp the wired remote controller wire
with the cord clamp.
7
Install the clamp base with a screw.
8
Insert the Indoor / Outdoor connecting wires
fully into the terminal block and secure it
tightly with screws.
Tightening torque: 1.2 N·m (0.12 kgf·m)
Secure the earth wire with the earth screw.
9
Clamp the Indoor / Outdoor connecting wires
with the cord clamp.
10
Attach the terminal cover and the air intake
grille to the indoor unit.
CAUTION
Be sure to refer to the wiring diagram
attached inside the front panel.
Check local electrical cords and also any
speci
¿
c wiring instructions and limitations.
Do not catch the wired remote controller wire
when installing the clamp base.
