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When using a receiver that has been installed separately into the ceiling, use the enclosed
fi ttings for installing to a ceiling.
(1) Remove the metal plate of the receiver by slipping a fl athead screwdriver or the like into the
cut-out on the bottom.
(2) Cut out a hole in the ceiling to match the dimensions of the enclosed template. (95 X 51 mm)
(3) Pass the wiring through the enclosed installation metal fi tting and put it into the hole. (Fig.
8-29)
(4) Bend parts A and B of the metal fi tting so they hold onto the ceiling fi rmly. (Fig. 8-30)
(5) Connect the receiver's wiring (2 cores) with the wiring from the indoor unit. (Refer to the
chapter on wiring the receiver.) When wiring receivers, be sure to double-check the terminal
numbers of the indoor unit before connecting them so there are no mistakes in the wiring.
(Damage will occur if high voltage [e.g. supply voltage] is applied.)
(6) Adjust the enclosed spacers so they are several millimeters thicker than the ceiling material
and hold the receiver in place temporarily with the 2 enclosed machine screws. (M4 X 40)
(7) Bend parts A and B back so they fi t in the opening and are in the gap between the surface
of the ceiling and the receiver; then tighten the screws. Do not use too much force when
tightening the screws. Doing so may warp or damage the case. Move the receiver by hand
and check that it can move just a little. (Fig. 8-31)
(8) Attach the face plate.
3. Wiring the Receiver
• Use wiring of 0.5 mm
to 2 mm
2
• Use a total wire length of no more than 400 m.
Polarity does not matter.
If it is to be used as an embedded model;
Wiring Diagram
Terminal strip for wiring the
remote control of the indoor
unit
Enclosed wire joints (2, white)
Receiver wires
(Field supply)
Receiver wires
(Field supply)
Wire joint CE-1
(Enclosed)
If it is to be used as an exposed model:
Wiring Diagram
Terminal strip for wiring the
remote control of the indoor
unit
• Use remote control cord (sold separately) for wiring a separately installed receiver.
(1) For instructions on how to install a remote control cord (sold separately), refer to the chapter on Using as an
Embedded Model in Installing Separate Receivers.
(2) If a remote control cord (sold separately) is to be used, refer to the Mounting Instructions attached to the remote
control cord.
NOTE
1. When wiring remote controls, be sure to double-check the terminal numbers of the indoor unit connecting them
so there are no mistakes in the wiring. (Damage will occur if high voltage [e.g. supply voltage] is applied.)
2. If the wiring to the operation panel is bundled together with other wiring, such as the incoming line from the
power source, it can cause a malfunction, avoid doing so.
3. If something causes the unit's power source to make noise, it will be necessary to resolve the problem, such as
by installing a noise fi lter.
for fi eld supply.
2
1
2
Receiver wires
(Field supply)
1. Strip the wire to be connected of its sheathing for 14 mm.
2. Twist the two wires together and crimp the enclosed wire joint.
3. If a special crimping tool is not used, or if the connection is made using solder,
wrap the joint with insulating tape.
1
2
Remote Control Cord
(Sold Separately)
8-21
Connections
1
White
2
Black
Receiver
Wires from the
receiver unit
White
1
Black
2
Receiver
Fig. 8-29
Part A
Part B
Fig. 8-30
Fig. 8-31
8
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