Install Instructions
22 • Residenal Electric Water Heater Use and Care Guide
5
The Energy Cut O (ECO) shuts o pow-
er to the water heater’s elements if the
temperature of the water in the tank
gets too hot. If the ECO has tripped,
you’ll have no hot water. A tripped ECO
can usually be reset, but you should
have a qualied person invesgate the
cause of the overheang and repair the
problem. Do not turn the power back
on unl the cause of the overheang
has been idened and repaired.
• Turn o the power to the water
heater.
• Press the red ECO reset buon (see
photo above).
• The ECO was tripped if you hear a
click when it is reset. In most cases,
a tripped ECO indicates that the tank
overheated due to a problem with
one of the elements or thermostats—
have a qualied person check the up-
per and lower elements and thermo-
stats and replace if necessary.
• The ECO was not tripped if you didn’t
hear a click. In that case, the upper
thermostat should be checked by a
qualied person.
• Replace the insulaon and the upper
access panel.
-
If the hot water is simply not warm
enough, there are several possible
causes:
• Faulty Thermostac Mixing Valve in a
faucet or shower control (check other
faucets in the house for hot water)
• One (or both) of the thermostats set
too low
• Water heater’s capacity too small (or
usage too high)
• Reversed plumbing connecons or
melted dip tube (usually found soon
aer new installaon)
• Plumbing leak
• Bad lower heang element (or lower
thermostat)
• Low supply voltage
If the
hot water is simply not warm enough,
make sure the faucet you are checking
doesn’t have a defecve Thermostac
Mixing Valve. Many shower controls
now have built-in mixing valves. If
these devices fail, they can reduce the
amount of hot water the shower or
faucet delivers even though there is
plenty of hot water in the tank. Always
check the water temperature at several
faucets to make sure the problem is not
in a faucet or shower control.
If the water
temperature at several faucets is too
cool, adjust the thermostat(s) accord-
ing to the instrucons in Step 10 of the
Installaon secon of this manual.
If your water
heater runs out of hot water too quick-
ly, it may be too small for your needs. If
the water heater is old, consider replac-
ing it with a larger model. If the water
heater is in good condion, you may
be able to meet your family’s hot water
needs with the exisng water heater by
installing Thermostac Mixing Valves at
each point-of-use and then turning the
thermostat(s) to a higher seng. See
page 15, step 10.
You can also reduce your home’s hot
water needs by washing clothes in cold
water, installing ow restrictors on
shower heads, repairing leaky faucets,
and taking other conservaon steps.
Check the hot and cold connec-
ons and make sure your home’s hot
water pipe is connected to the hot wa-
ter outlet on the water heater. Usually,
reversed connecons are found soon
aer the installaon of a new unit. If
copper pipes were soldered while they
were aached to the water heater, the
dip tube may have melted. The dip tube
is a long plasc tube inside the tank
aached to the cold water inlet. If the
dip tube has melted, it can be replaced
by removing the cold water inlet con-
necon, removing the old dip tube and
installing a new one.
Even a small leak in the
hot water side of the home’s plumbing
system can make it appear that the wa-
ter heater is producing lile to no hot
water. Locate and repair the leak.
If the lower heang element (or, more
THERMINALS
“1” and “3”
Energy Cut O (ECO) buon
TROUBLESHOOTING