All installations and services must be performed by qualified service personnel.
J. Electrical Wiring
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: This appliance must be grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70-1999, or the latest edition.
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: Waterproof type connectors must be used when connecting electrical power and control wiring to the unit to prevent moisture from being drawn into the unit during operation.
All wiring must conform to the provisions of local codes or, in the absence of local codes, with the provisions of the National Electrical Code, ANSI/NFPA 70-1999, or the latest edition, and this instruction manual.
This appliance requires 208-240 VAC, 60 Hz, single-phase power. Refer to Table 5 for typical electrical current draws of the individual appliance motors, recommended sizes for over-current and short circuit devices, and minimum recommended field wiring sizes. Electrical service must be brought to the unit from a circuit breaker, or fused disconnect switch, in accordance with local codes. The disconnecting switch must be located reasonably close to and within sight of the unit.
Three-wire service, two “hot” leads (L1 and L2) and a neutral (N), plus a ground conductor, is required. Connect power to the appliance control system at the junction box in the burner compartment. (A knockout fitting is provided on the exterior of the burner compartment for this purpose.) A ground wire must be connected to the grounding lug, or screw, marked “Equipment Ground”, in the junction box.
Field wiring of power circuits to the appliance should consist of copper conductors rated for at least 240 VAC with an insulation temperature rating of at least 75°C temperature rise. Depending upon code requirements, rigid or flexible conduit is recommended, and may be required. Connect the electric power supply as shown in the wiring diagram located on the inside of the burner compartment cover, or in this manual. The cooling system operates on 208-240 VAC electric power, from supply wires L1 and L2. The heating system operates on 120 VAC electric power, from supply wires L1 and N.