Panasonic S-73MK1E5A Installation Instructions Manual

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Panasonic S-73MK1E5A Installation Instructions Manual Manual pdf 14 page image

144. ELECTRICAL WIRING4-1. General Precautions on Wiring(1) Before wiring, confirm the rated voltage of the unit asshown on its nameplate, then carry out the wiring closelyfollowing the wiring diagram.(2) Provide a power outlet to be used exclusively for eachunit, and a power supply disconnect and circuit breaker forovercurrent protection should be provided in the exclusiveline.(3) To prevent possible hazards from insulation failure, the unitmust be grounded.(4) Each wiring connection must be done in accordance withthe wiring system diagram. Wrong wiring may cause theunit to misoperate or become damaged.(5) Do not allow wiring to touch the refrigerant tubing,compressor, or any moving parts of the fan.(6) Unauthorized changes in the internal wiring can be verydangerous. The manufacturer will accept no responsibilityfor any damage or misoperation that occurs as a result ofsuch unauthorized changes.(7) Regulations on wire diameters differ from locality tolocality. For field wiring rules, please refer to your LOCALELECTRICAL CODES before beginning.You must ensure that installation complies with all relevantrules and regulations.(8) To prevent malfunction of the air conditioner caused byelectrical noise, care must be taken when wiring as follows:● The remote control wiring and the inter-unit control wiringshould be wired apart from the inter-unit power wiring.● Use shielded wires for inter-unit control wiring between unitsand ground the shield on both sides.(9) If the power supply cord of this appliance is damaged,it must be replaced by a repair shop designated by themanufacturer, because special-purpose tools are required.4-2. Recommended Wire Length and Wire Diameterfor Power Supply SystemIndoor unitType (B) Power supply Time delay fuse orcircuit capacity2.5 mm2K1 Max. 150 m 10-16 AControl wiring(C) Inter-unit(between outdoorand indoor units)control wiring(D) Remote controlwiring(E) Control wiringfor group control0.75 mm2(AWG #18)Use shielded wiring*0.75 mm2(AWG #18)0.75 mm 2(AWG #18)Max. 1,000 m Max. 500 m Max. 200 m (Total)NOTE* With ring-type wire terminal.