12. Electrical Wiring

Consult a qualified electrician for the electrical work.

Do not connect electrical power to the unit until all electrical wiring has been completed.

Disconnect Power

This appliance must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70. In Canada, the latest CSA C22.1 Electrical Code.

Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

Verify proper operation after servicing.

Field wiring to be performed at time of appliance installation.

WARNING

Electrical Shock Hazard

Do 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.

The electrical supply required by the water heater is 120V AC at 60 Hz.

The power consumption may be up to 125W or higher if using optional accessories.

Use an appropriate circuit.

Do not disconnect the power supply when not in use. When the power is off, the freeze prevention in the water heater will not activate, resulting in possible freezing damage.

Do not let the power cord contact the gas piping.

Tie the redundant power cord out- side the water heater. Putting the redundant length of cord inside the water heater may cause electrical interference and faulty operation.

Ground

• To prevent electrical shock, provide a ground with resistance less than 100 . An electrician should do this work.

A grounding screw is provided on the back in the junction box.

Do not connect the ground to the city water or gas piping. Do not tie the ground to a tele- phone line.

Breaker Installation

Mount a device which shuts off the electrical path automatically (leakage breaker) when electrical leakage is detected.

Junction Box

Ground

Power Cord

 

1.Unscrew the junction box and slide it out of the unit..

2.Push the power cord through the bottom of the unit.

3.Connect the live and neutral wires to the black and white wire in the junction box.

4.Screw the ground wire to the ground screw on the back in the junction box and replace the junction box.

CAUTION

Electrostatic discharge can affect electronic components. Take precautions to prevent electrostatic discharges from personnel or hand tools during the water heater installation and servicing to protect product’s electronic control.

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Pentax N-0751M-OD installation manual Electrical Wiring, Ground, Breaker Installation

N-0751M-OD, N-0751M specifications

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