Panasonic 26PSU1U6 Tech Data - Service Manual - Page 66
ELECTRICAL WIRING, Specifications
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1-11. ELECTRICAL WIRING 1. Specifications General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit (7) Regulations on wire diameters differ from locality to as shown on its nameplate, then carry out the wiring locality. For field wiring rules, must follow your LOCAL closely following the wiring diagram. ELECTRICAL CODES before beginning. (2) Provide a power outlet to be used exclusively for You must ensure that installation complies with all each unit, and a power supply disconnect and circuit relevant rules and regulations. breaker for overcurrent protection should be provided (8) To prevent malfunction of the air conditioner caused in the exclusive line. by electrical noise, care must be taken when wiring as (3) To prevent possible hazards from insulation failure, the follows: unit must be grounded. The remote control wiring and the inter-unit (4) Each wiring connection must be done in accordance control wiring should be wired apart from the inter- with the wiring system diagram. unit power wiring. Wrong wiring may cause the unit to misoperate or Use shielded wires for inter-unit control wiring become damaged. between units and ground the shield on one side (5) Do not allow wiring to touch the refrigerant tubing, only. compressor, or any moving parts of the fan. 1 (6) Unauthorized changes in the internal wiring can be very dangerous. The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes. (9) If the power supply cord of this appliance is damaged, it must be replaced by a repair shop appointed by the manufacturer, because special-purpose tools are required. (10) All wiring used must be Class 1. Recommended Wire Length and Wire Diameter for Power Supply System You must follow LOCAL ELECTRICAL CODES for wiring. Outdoor Unit Type U-26PE1U6 U-36PE1U6 U-42PE1U6 Time delay fuse or circuit capacity 30 A 35 A 40 A Type U-26PS1U6 U-36PS1U6 U-42PS1U6 Time delay fuse or circuit capacity 25 A 30 A 35 A Indoor Unit Type U1, K1, T1, F1 Time delay fuse or circuit capacity 15 A Control Wiring (A) Inter-Unit Control Wiring AWG #18 Use high voltage wire (300 V)*1 Max. 3,300 ft. (B) Remote Control Wiring AWG #18* 2 (0.75 mm2) Max. 1,650 ft. (C) Control Wiring For Group Control AWG #18 * 2 - (0.75 mm2) Max. 650 - ft. (Total) AWG=American Wire Gauge *1 With ring-type wire terminal *2 Wire joint connection 1-60