Electrical Connections - American Water Heater 240HX3 Installation Manual And Owner's Manual

On-demand water heater

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Table Of Contents

Table of Contents

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Ensure that circuit power is turned OFF before you complete the following steps.

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Follow the electrical code requirements of the local authority having jurisdiction. In the

absence of such requirements, follow the current edition of the National Electrical Code

ANSI/NFPA 70.

WARNING

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When servicing or replacing parts within the water heater, label all wires prior to dis-

connection to facilitate an easy and error-free reconnection. Wiring errors can cause

improper and dangerous operation. Verify proper operation after servicing.

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Failure to observe these warnings could result in personal injury or loss of life.

Indoor model comes with a power plug instead of a junction box. The following procedure is for the outdoor

model only.

1. The water heater must be electrically grounded. Do not attach the ground wire to either the gas or the

water piping.

2. The water heater requires a 120 VAC, 60 Hz electrical power supply that is properly grounded.

• A proper disconnect (i.e. on/off switch, power plug, etc.) controlling the main power to the water heater

must be provided for service reasons. (Must comply with local codes.)

• Connect the power supply to the water heater exactly as shown in the wiring diagram.

3. A green screw is provided in the junction box to ground the connection.

4. The water heater can be hardwired or wired to a plug-in.

5. The use of a surge protector is recommended in order to protect the water heater from power surges.

Outdoor

Bottom view of water heater