59Installing the Water Heater
CAUTION
Ensure that the power supply to the water
heater is disconnected to prevent injury due to
electrical shock.
If local codes require the water heater to be
wired directly, remove and discard the factory-
installed plug. See below for recommended
procedures:
●
Cut the existing power cord about 2” below
the bottom of the cabinet. Dispose the power
cord.
●
Open the front cover by removing the 4 screws
to access the inside of the water heater.
●
From inside the case, locate the BLACK (hot),
WHITE (neutral), and GREEN (wires) that are
connected to the disposed power cord. Cut
these wires as close as possible to the end of
the power cord where it is uninsulated.
●
These wires can be directly spliced with an
external power supply. Strip approximately
1/2”of sheathing from each wire to expose the
bare wire.
●
Connect 110-120V AC power directly to the
exposed wiring using field supplied twist-on
wire connectors (or wire nuts).
●
If local codes require the water heater to be wired
directly, remove and discard the factory-installed
plug at the provided junction box underneath the
water heater. Install a power switch between the
breaker and the water heater to facilitate end-user
maintenance and servicing. Connect the water
heater to a 110 - 120 V AC power supply at 60 Hz
with a maximum of 2 A (4 A if an external pump is
connected) rating electrical supply.
●
The water heater must be electrically grounded.
If using the power plug, ensure that the electrical
outlet you connect the water heater to is properly
grounded. If wiring the water heater directly to a
power supply, do not attach the ground wire to
either the gas or the water piping as plastic pipe or
dielectric unions may prevent proper grounding.
3.7 Connecting the Power Supply
WARNING
Electric shock hazard
To prevent serious injury or death:
●
ALWAYS follow all applicable electrical codes
of the local authority having jurisdiction.
●
In the absence of such requirements, follow
the latest edition of the National Electrical
Code (NFPA 70) in the USA or the latest
edition of CSA C22.1 Canadian Electrical Code
Part 1 in. Canada.
●
ONLY licensed professionals should connect
the power supply.
When connecting the power supply, follow these
guidelines:
●
Do not connect the electric supply until all
plumbing and gas piping is complete and the
water heater has been filled with water.
●
Connect the water heater to a 110 - 120 V AC
power supply at 60 Hz. Do NOT connect the
water heater to a 220 - 240 V AC power supply.
Doing so will damage the water heater and void
the warranty.
●
All water heaters come with a factory-installed
5 ft (1.5 m) long, 3-pronged (grounded) plug. The
water heater can be plugged into any grounded
electrical outlet nearby, as it requires only 2 - 4
Amps.
●
Keep power cord free of dust.
●
Do not use a broken or modified power cord.
●
Do not bind, bend or stretch power cords.
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