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Concealed Duct High Static Pressure
Installation Manual
Wire connection
REQUIREMENT
• Be sure to connect the wires matching the terminal numbers. Incorrect connection causes a trouble.
• Be sure to pass the wires through the bushing of wiring connection port of the indoor unit.
• Keep a margin (Approx. 100mm) on a wire to hang down the electric parts box at servicing, etc.
• The low-voltage circuit is provided for the remote controller. (Do not connect the high-voltage circuit)
• Remove the cover of the electric parts box by taking off the mounting screws (2 positions)
• Tighten the screws of the terminal block, and fix the wires with cord attached to the electric parts box.
(Do not apply tension to the connecting section of the terminal block.)
• Be sure to set a loop for the connecting wire of the storing part of the indoor unit electric parts;
otherwise the electric parts box cannot be drawn out in service time.
• Mount the cover of the electric parts box without pinching wires.
CAUTION
Power supply connector fixing
band for twin
Side C (Space: 4mm)
Select side C or D for the power cable clamping position referring to the
following table according to the cable type and diameter.
* Cable clamp can be attached on either right or left side.
When twin system are connected, clamp two cables with one cable clamp.
Wire type
Specification
Cable clamping position
Cabtyre cable
4-core stranded wire 2.5mm²
Side D
Cabtyre cable
4-core stranded wire 1.5mm²
Side C
Cord clanp
Connecting wire
Electric parts
cover
Fixing screw
Not used in this time.
Side D (Space: 8.5mm)
Remote
controller wire
P.C. board
Terminal board for remote
controller connection
Terminal board for
indoor/outdoor
connecting wire
Earth screw
<Inner construction drawing of electric parts box>
Twin connecting terminal board
21-EN
