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Service and Maintenance (cont'd)
Draining
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.
WARNING
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. CLOSE the cold water inlet valve to the water heater.
3. OPEN a nearby hot water faucet and leave open to allow
for draining.
4. Connect a hose to the drain valve and terminate to an ade-
quate drain or outdoors.
5. OPEN the water heater drain valve to allow for tank
draining.
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 termi-
nate to an adequate drain.
6. Close the drain valve.
7. Follow "Filling the Water Heater" instructions in the
"Instructions for Installation" section.
8. Turn "ON" power to the water heater.
CAUTION
Never use this water heater unless it is completely
full water. To prevent damage to the tank and heat-
ing 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.
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. Remove the access panel and the insulation block and pad.
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.
LOWER THERMOSTAT
WITHOUT HIGH LIMIT
4. Remove the two wires attached to the thermostat.
5. Remove the thermostat from behind the thermostat bracket.
6. Disconnect wires from thermostat and slide out of the bracket.
7. Place the new lower thermostat in the bracket making sure it
fits firmly against the tank.
8. 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, re-
cut and strip wire
17
WARNING
Lift out tab to unclip
terminal cover from
thermostat.
UPPER OR LOWER
THERMOSTAT WITH
HIGH LIMIT
"
3
⁄
to a straight length and insert.
8
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