Noritz NRC663-FSV Installation Manual

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Contents

Noritz NRC663-FSV Installation Manual Manual pdf 27 page image

27Do not connect electrical power to the unit until all electrical wiring has been completed.Consult a qualified electricianfor the electrical work.12. Electrical WiringThis appliance must be electrically grounded in accordance with local codes, or in the absence of localcodes, with the National Electrical Code, ANSI/NFPA 70.Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can causeimproper and dangerous operation.Verify proper operation after servicing.Field wiring to be performed at time of appliance installation.• The electrical supply required by the water heater is120VAC at 60 Hz.The power consumption may be up to 212W.Use an appropriate circuit.• Do not disconnect the power supply when not in use. Whenthe power is off, the freeze prevention in the water heaterwill not activate, resulting in possible freezing damage.• Do not let the power cord contactthe gas piping.Tie the redundant power cordoutside the water heater. Puttingthe redundant length of cord inside thewater heater may cause electricalinterference and faulty operation.Disconnect PowerElectrical Shock HazardDo not turn power on until electrical wiring is finished. Disconnect power before servicing.Failure to do so may result in death or serious injury from electrical shock.WARNINGElectrostatic discharge can affect electronic components. Take precautions to prevent electrostaticdischarges from personnel or hand tools during the water heater installation and servicing toprotect product’s electronic control.CAUTIONGround• To prevent electrical shock, provide a ground with resistance less than 100 . An electrician shoulddo this work.Do not connect the ground to the city water or gas piping. Do not tie the ground to a telephone line.Breaker Installation• Mount a device which shuts off the electrical path automatically (leakage breaker) when electricalleakage is detected.