Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 105
ELECTRICAL WIRING, Recommended Wire Length and Wire Diameter for Power Supply System
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1-12. ELECTRICAL WIRING 1. Specifications General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. WARNING (2) This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD). Otherwise, it may cause electrical shock and fire in case of equipment breakdown or insulation breakdown. Earth Leakage Circuit Breaker (ELCB) must be incorporated in the fixed wiring in accordance with the wiring regulations. The Earth Leakage Circuit Breaker (ELCB) must be an approved 15 A, having a contact separation in all poles. (3) To prevent possible hazards from insulation failure, the unit must be grounded. (4) Each wiring connection must be done in accordance with the wiring system diagram. Wrong wiring may cause the unit 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 very dangerous. The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes. 1 (7) Regulations on wire diameters differ from locality to locality. For field wiring rules, please refer to your LOCAL ELECTRICAL CODES before beginning. You must ensure that installation complies with all relevant rules and regulations. (8) To prevent malfunction of the air conditioner caused by electrical noise, care must be taken when wiring as follows: The remote control wiring and the inter-unit control wiring should be wired apart from the inter-unit power wiring. Use shielded wires for inter-unit control wiring between units and ground the shield on single side. (9) If the power supply cord of this appliance is damaged, it must be replaced by a repair shop designated by the manufacturer, because special-purpose tools are required. Recommended Wire Length and Wire Diameter for Power Supply System You must follow LOCAL ELECTRICAL CODES for wiring. Outdoor Unit Type Time delay fuse or circuit capacity U-26PE1U6 30 A U-36PE1U6 35 A U-42PE1U6 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, F2, U2, K2, T2 Time delay fuse or circuit capacity 15 A Control wiring (A) Inter-unit control wiring (between outdoor and indoor units) (B) Remote control wiring (C) Control wiring for group control AWG #18 AWG #18 AWG #18 (0.75 mm2) (0.75 mm2) (0.75 mm2) Use shielded wiring* Use shielded wiring* Use shielded wiring* Max. 3,280 ft. (Max. 1,000 m) Max. 1,640 ft. (Max. 500 m) Max. 650 ft. (Total) (Max. 200 m (Total)) AWG=American Wire Gauge * With ring-type wire terminal 1-97