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Wiring connection (twin, triple,
double twin system)
1
Connect a header unit by following the
procedure of wiring connection for single
system.
2
Connect system interconnection wire 1
and 2 of follower unit to terminal 1 and 2
on terminal block respectively.
System interconnection wire 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 system interconnection wire
with the cord clamp.
5
Attach the terminal cover and the air
intake grille to the indoor unit.
q When using optional wired remote
controller
The system interconnection wire 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 system interconnection wire and
wired remote controller wire (according
to the local rule) into the pipe hole on the
wall.
4
Take the system interconnection wire
and wired remote controller wire out of
the cable slot on the rear panel so that it
protrudes about 5.9" (150 mm) from the
front.
5
Insert the wired remote controller wire fully
into the wired remote controller / central
control terminal block,
tightly with screws.
• Strip off approx. 0.3" (9 mm) the wire to be
connected.
• Non polarity, 2 core wire is used for wiring
of the wired remote controller.
(AWG20 to AWG16 wires)
27-EN
,
and secure it
A
B
‒ 27 ‒
6
Clamp the wired remote controller wire
with the cord clamp.
7
Install the clamp base with a screw.
8
Insert the system interconnection wire
fully into the terminal block and secure it
tightly with screws.
Tightening torque: 0.9 ft•lbs (1.2 N•m)
Secure the earth wire with the earth screw.
9
Clamp the system interconnection wire
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.
Installation Manual
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