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Care and cleaning.
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Routine
Preventive
Maintenance
A DANGER:
Risk of Scald-
Before manually
operating the relief valve, make certain no one will be
exposed to the danger of coming in contact with the hot
water released by the valve. The water may be hot enough
to create a scald hazard. The water should be released into
a suitable drain to prevent injury or property damage.
NOTE: If the temperature
and pressure-relief
valve on the
hot water
heater discharges
periodically,
this may be due
to thermal expansion
in a closed water system.
Contact
the water supplier
or your plumbing
contractor
on how to
correct
this. Do not plug the relief valve outlet.
Properly maintained, your water heater will provide years of
dependable trouble-free service.
It is suggested that a routine preventive maintenance program be
established and followed by the user.
Temperature
and Pressure-Relief
Valve:
At least once a year, lift and releasethe lever handle on the
temperature and pressure-relief valve, located
on the front-right side of the water heater, to make certain the
valve operates freely. Allow several gallons to flush through the
discharge line to an open drain.
Periodic
Inspection (once a year):
It is further recommended that a periodic inspection of the
operating controls, heating elements and wiring should be made
by service personnel qualified in electric appliance repair.
Most electrical appliances, even when new, make some sound
when in operation. If the hissing or singing sound level increases
excessively,the electric heating element may require cleaning.
Contact a qualified installer or plumber for inspection.
Flushing
Tank:
A water heater's tank can act as a settling basin for solids
suspended in the water. It is therefore not uncommon for hard
water deposits to accumulate in the bottom of the tank. To clean
the tank of these deposits, follow these steps:
1.Attach a garden hose to the drain valve located at the bottom
of the unit and direct that hose to a drain.
2.Open the drain valve with a flat screwdriver.
3.Once a few quarts of water have been drained, close the drain
valve.
This should be done with the cold water supply open such that
water removed through drain valve is replaced, and water supply
flow helps to remove sediment.
Draining
the Water
Heater
A CAUTION:
Risk of Shock-
Shut offpowerto
the water heater before draining water.
A DANGER: Risk o fScald- Before manually
operating the relief valve, make certain no one will be exposed
to the hot water released by the valve. The water drained from
the tank may be hot enough to present a scald hazard and
should be directed to a suitable drain to prevent injury or
damage.
To drain the water heater, follow these steps:
1. Attach a garden hose to the drain valve located at the
bottom of the unit and direct that hose to a drain.
2. Turn off the cold water supply.
3. Admit air to the tank by opening a hot water faucet or
lifting the handle on the relief valve
4. Open the drain valve with a fiat screwdriver.
Note: See page 15 for product schematic.
I
I
Usea flat slot
J
L@
J
screwdriverto
turn valve.
Extended Shutdown
Periods or Vacations
Exceeding
If the water heater is to remain idle for an extended period of
time, the power and water to the appliance should be turned
off and the water heater drained to conserve energy and
prevent a buildup of dangerous hydrogen gas. This unit has
no power button, power can only be shut off at the circuit
breaker or disconnect switch.
If the water heater has an anode depletion sensing feature
(some models) and the water heater cannot be drained, it is
recommended to leave the power turned on with the water
heater in vacation mode to ensure that the feature will
continue to operate properly while still conserving energy.
Vacation Node Options
The water heater and piping should be drained if they might
be subjected to freezing temperatures.
After a long shutdown period, the water heater's operation
and controls should be checked by qualified service
personnel. Make certain the water heater is completely filled
again before placing it in operation.
NOTE:Refer to the Hydrogen Gas Caution in the Operating
Instructions (seepage 3).
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