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Wire connection
REQUIREMENT
Connect the wires matching the terminal numbers. Incorrect connection causes a trouble.
Pass the wires through the bushing of wire connection holes of the indoor unit.
Keep a margin (Approx. 3.9 (100 mm)) on a wire to hang down the electrical control box at servicing or
other purpose.
The low-voltage circuit is provided for the remote control. (Do not connect the high-voltage circuit)
Remove the cover of the electric control box. (fixed with 6 screws).
1. Remove screw A, and loosen screw B.
2. Pull up the cover of electrical control box and then open it forward.
Attach the conduit pipe with a lock nut.
Tighten the screws of the terminal block firmly, and fix the wires with the cord clamps attached to the electrical
control box. (Do not apply tension to the connecting section of the terminal block.)
Mount the cover of the electrical control box without pinching wires (fixed with 6 screws).
Using the attached seal material, seal the wire connecting port.
Electrical control
box cover
Loosen screw B
When attaching the electrical
Grommet of control and
control box cover, insert this
remote control wires
part into the inside of the
lower plate
Conduit connection hole
Side D
Side C
(Space: 0.3" (8.5 mm))
(Space: 0.2" (4 mm))
Select side C or D for the power wire clamping
position according to the wire type and diameter.
※ 3 and 4 terminals is Flow Selector Unit wiring.
33-EN
Remove screw A
Lower plate
Ground screw
Cord clamp
Power supply wire and ground wire
– 17 –
Remote control wiring
Strip off approx. 0.4" (9 mm) the wire to be connected.
Wiring diagram
Terminal block for remote
control wiring of indoor unit
A
B
Remote control wire
(Locally procured)
Uv(U1) Uv(U2) A B
Cord clamp
Remote control wire
Control wire
(2-core shielded wire)
Conduit pipe
Terminal block
A
Remote
B
control unit
Cut
After connecting the wire, cut the attached seal material
as the drawing, and stick on the wire connecting port.
Attached seal material
Wire connecting port
34-EN
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