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Residenal Electric Water Heater Use and Care Guide • 35
MAINTENANCE
MAINTENANCE
NOTICE: DO NOT turn power back
on unl the tank is completely full of
water. For complete instrucons on
lling the tank, follow “Step 13” on
page 16 in the installaon secon of
this manual.
10
Rell the tank by opening the
cold water supply valve. Make
sure a hot water faucet is
open and the drain valve is closed.
Allow hot water to run full for at least
three minutes to make sure the tank
has all the air removed and is
completely full of water. Failure to
perform this step can cause the upper
heang element to burn out. Once you
are certain the tank is completely full
of water, close the hot water faucet.
Figure 45 - Drain Valve.
11
Check the newly installed
element for leaks. If a leak is
present, ghten the element
unl the leak stops. If you cannot stop
the leak, drain the tank and remove
the element. Inspect the gasket for
damage. If the gasket is damaged,
replace the gasket and reinstall the
element.
12
Once the element is
successfully installed and
there are no leaks, replace the
power wires, thermostat cover,
insulaon, and access panel. Make
sure all wire connecons are ght.
Replace the cover on the electrical
juncon box.
13
Turn ON power to the water
heater at the circuit breaker/
fuse box. It may take two
hours for the tank to heat up.
Replacing the ECO
WARNING! Working near an
energized circuit can result in severe
injury or death from electrical
shock. Turn power OFF. Check wires
with a non-contact circuit tester to
make sure power is OFF. When you
are nished, be sure all covers are
secured to reduce the risk of re and
electric shock.
To replace the ECO, you will need the
following tools and supplies:
• A non-contact circuit tester. Always
turn power OFF and check with a
non-contact circuit tester before
working on the water heater.
ECO Reset
Button
Figure 46 - ECO
• A replacement ECO (see the repair
parts list on back cover).
• A business card to check the gap
between the ECO and tank.
• Tape and a permanent marker to
mark the wires.
• A at blade and Phillips screwdriver
Steps for Replacing the
ECO:
1
Turn the power OFF at the
circuit breaker or remove
fuses.
NOTICE: It is not necessary to drain the
tank to replace an ECO.
2
Open the electrical juncon
box on the side of the water
heater. Using a non-contact
circuit tester, check the power wires to
make certain the power is OFF.
1/2” Conduit
Opening
Green
Ground
Screw
Green
Ground
Wire
Red Wire
Black Wire
Power Supply
Connector
Figure 47 - Electrical Junction Box (bottom cover
to electrical junction box removed for clarity).
3
Remove the upper access
panel on the water heater and
carefully fold back the
insulaon and plasc element/ECO
cover (Figure 48).
Figure 48 - Element Access Panel/ECO
Compartment.
4
Make sure the replacement
ECO matches the original ECO.
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