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Draining and Flushing
The water heater should be drained if being shut down during
freezing temperatures. Also, periodic draining and cleaning of
sediment from the tank may be necessary.
1.
Before beginning turn "OFF" the electric power supply to
the water heater.
HAZARD OF ELECTRICAL SHOCK! Before removing any
access panels or servicing the water heater, make sure the
electrical supply to the water heater is turned "OFF". Failure to
do this could result in DEATH, SERIOUS BODILY INJURY, OR
PROPERTY DAMAGE.
2.
OPEN a nearby hot water faucet until the water is no longer
hot.
3.
CLOSE the cold water inlet valve.
4.
Connect a hose to the drain valve and terminate to an
adequate drain or external to the building.
5.
OPEN the water heater drain valve to allow all of the water
to drain from the tank. Flush the tank with water as needed
to remove sediment.
6.
Close the drain valve, refill the tank, and restart the heater
as directed in this manual.
NOTE: If the water heater is going to be shut down and
drained for an extended period, the drain valve should be
left open with hose connected allowing water to terminate
to an adequate drain.
7. Turn "ON" power to the water heater.
Never use this water heater unless it is completely full of water.
To prevent damage to the tank and heating element, the tank
must be filled with water. Water must flow from the hot water
faucet before turning "ON" power.
Thermostat Removal/Replacement
1. Turn "OFF" the electrical power to the water heater at the
junction box.
2.
Remove the access panel and the insulation.
3.
Lift out the tab as shown below to unclip the terminal cover
from the thermostat. The terminal cover can now be removed
from the thermostat.
4.
Disconnect wires from the thermostat.
5.
Remove the thermostat from behind the thermostat
bracket.
6.
Place the new thermostat in the bracket making sure it fits
firmly against the tank.
7.
Attach the wires to the new thermostat.
NOTE: Some of the terminals may require straight-in wiring
through an eye-opening. If wires are now looped, recut and
strip wire 3/8" to a straight length and insert.
8.
Put plastic terminal cover back in place.
9.
Replace the insulation to cover the thermostat.
10. Replace access panel, then turn the electric power on.
Element Cleaning/Replacement
To remove the element from your tank in order to clean or
replace it:
16
FIGURE 16
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