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ELECTRICAL WORK
WARNING
1. Using the specified cables, ensure to connect the wires, and fix wires securely so that the
external tension to the cables do not affect the connecting part of the terminals.
Incomplete connection or fixation may cause a fire, etc.
2. Be sure to connect earth wire. (Grounding work)
Do not connect the earth wire to gas pipe, city water pipe, lightning rod, or the earth wire of telephone.
Incomplete grounding causes an electric shock.
3. For electric work, strictly follow the Local Regulation in each country and the Installation
Manual, and use an exclusive circuit.
Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire.
CAUTIONS
• This indoor unit has no power cord.
• If incorrect/incomplete wiring is carried out, it will cause an electrical fire or smoke.
• Be sure to install an earth leakage breaker that is not tripped by shock waves.
If an earth leakage breaker is not installed, an electric shock may be caused.
• Be sure to use the cord clamps attached to the product.
• Do not damage or scratch the conductive core and inner insulator of power and inter-connecting cables when
peeling them.
• Be sure to comply with local regulations on running the wire from outdoor unit to indoor unit (size of wire and
wiring method etc.)
• Use the power cord and Inter-connecting cable of specified thickness, type, and protective devices required.
REQUIREMENT
• For power supply wiring, strictly conform to the Local Regulation in each country.
• For wiring of power supply of the outdoor units, follow the Installation Manual of each outdoor unit.
• Never connect 220/230/240V power to the terminal blocks (A, B, etc.) for control wiring.
(Otherwise, the system will fail.)
• Perform the electric wiring so that it does not come to contact with the high-temperature part of the pipe.
The coating may melt resulting in an accident.
• After connecting cables to the terminal blocks, provide a trap and fix cables with the cable clamp.
• Run the refrigerant piping line and control wiring line in the same line.
• Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes.
Remote controller wiring
2-core non polarity cable is used for the remote controller wiring.
How to wire
1. Connect the connecting cable to the terminal as identified with their respective numbers on the terminal block of
indoor and outdoor unit. H07 RN-F or 245 IEC 66 (1.5 mm
2
or more)
2. Insulate the unsheathed redundant cords (conductors) with electrical insulation tape.
Process them so that they do not touch any electrical or metal parts.
3. For inter-unit wiring, do not use a wire jointed to another on the way.