Installation Manual
‒ 29 ‒
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
specific wiring instructions and limitations.
• Do not catch the wired remote controller wire
when installing the clamp base.
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