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8
CAUTION: The presence
of water in the piping and
water heater does not provide
sufficient conduction for a
ground. Non-metallic piping,
dielectric unions, flexible
connectors etc. can cause the
water heater to be electrically
isolated.
Electrical Connections
A separate branch circuit with copper
conductors, overcurrent protective device
and suitable disconnecting means must be
provided by a qualified electrician.
All wiring must conform to local codes or
latest edition of National Electrical Code
ANSI/NFPA 70.
The water heater is completely wired to
the junction box inside jacket at the top
front of the water heater. An opening for
1/2″ or 3/4″ electrical fitting is provided
for field wiring connections.
The voltage requirements and wattage
load for the water heater are specified
on the rating plate on the back of the
water heater.
The branch circuit wiring should include either:
Metallic conduit or metallic sheathed
cable approved for use as a
grounding conductor and installed
with fittings approved for the
purpose.
Non-metallic sheathed cable, metallic
conduit or metallic sheathed cable
not approved for use as a ground
conductor shall include a separate
conductor for grounding. It should be
attached to the ground terminals of
the water heater and the electrical
distribution box.
Installing the water heater
Condensation
Condensation can form on the tank when
it is first filled with water. Condensation
might also occur with a heavy water draw
and very cold inlet water temperature.
This condition is not unusual, and will
disappear after the water becomes heated.
If, however, the condensation continues,
examine the piping and fittings for
possible leaks.
To Fill the Water Heater
WARNING: The tank must be full of
water before heater is turned on. The water
heater warranty does not cover damage or
failure resulting from operation with an
empty or partially empty tank.
Make certain the drain valve is completely
closed.
Open the shut-off valve in the cold water
supply line.
Open each hot water faucet slowly to
allow the air to vent from the water heater
and piping.
A steady flow of water from the hot water
faucet(s) indicates a full water heater.
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