12
Safety Precautions
Do turn off power to water heater if
it has been subjected to over heating,
fire, flood, physical damage.
Do Not turn on water heater unless it
is filled with water.
Do Not turn on water heater if cold
water supply shut-off valve is closed.
If there is any difficulty in
understanding or following the
Operating Instructions or the
Care and Cleaning section, it is
recommended that a qualified person
or serviceman perform the work.
Operating the water heater.
CAUTION: Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a
long period of time (generally two weeks or more). HYDROGEN GAS IS EXTREMELY FLAMMABLE!! To dissipate such
gas and to reduce risk of injury, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink
before using any electrical appliance connected to the hot water system. If hydrogen is present, there will be an unusual sound
such as air escaping through the pipe as the water begins to flow. Do not smoke or use an open flame near the faucet at the
time it is open.
Safety Controls
The water heater is equipped with a
combination thermostat and temperature
limiting control (ECO) that is located
above the heating element in contact with
the tank surface. If for any reason the water
temperature becomes excessively high, the
temperature limiting control (ECO) breaks
the power circuit to the heating element.
Once the control opens, it must be reset
manually.
CAUTION: The cause of the high
temperature condition must be investigated
by qualified service technician and
corrective action must be taken before
placing the water heater in service again.
To reset the temperature limiting control:
Turn off the power to the water
heater.
Remove the jacket access panel(s)
and insulation.
The thermostat protective cover
should not be removed.
Press the red RESET button.
Replace the insulation and jacket
access panel(s) before turning on the
power to the water heater.
WARNING: If the water
heater has been subjected
to flood, fire, or physical
damage, turn off power and
water to the water heater.
DO NOT operate the water
heater again until it has
been thoroughly checked by
qualified service personnel.
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