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16
The water heater is equipped with a
temperature limiting control (ECO)
that is located above the upper heating
element in contact with the tank
surface. If for any reason the water
temperature becomes excessively high,
the temperature limiting control (ECO)
breaks the power circuit to the heating
element. Once the control opens, it must
be reset manually.
CAUTION: The cause of the high
temperature condition must be
investigated by qualified service
technician and corrective action must
be taken before placing the water
heater in service again.
To reset the temperature limiting control:
(Refer to Illustration in Cavity Insert
section):
Disconnect all power to unit before
starting maintenance.
Remove the upper cavity cover and
insulation.
Press the red RESET button.
Replace the insulation, jacket
access panel and plastic housing
before turning on the power to the
water heater.
!
DANGER: There is a
hot water scald potential if
the thermostat is set too
high. Households with small
children, disabled, or
elderly persons may require
a 120°F (49°C) or lower
thermostat setting to
prevent contact with HOT
water.
Water Temperature Setting
The temperature of the water in the water
heater can be regulated by selecting the
desired temperature on control display.
Safety and energy conservation are
factors to be considered when selecting
the water temperature setting of the
water heater. The lower the temperature
setting, the greater the savings in energy
and operating costs.
To comply with safety regulations the
temperature is factory set at 120°F
(49°C) or less where local codes require.
This is the recommended starting point.
Water temperatures above 125°F (52°C)
can cause severe burns or death from
scalding. Be sure to read and follow the
warnings outlined in this manual and on
the label on the water heater. This label is
located on the front of the water heater.
Mixing valves are recommended for
reducing point of use water temperature
by mixing hot and cold water in
branch water lines. It is recommended
that a mixing valve complying
with the Standard for Temperature
Actuated Mixing Valves for Hot Water
Distribution Systems, ASSE 1017 be
installed. See page 3 for more details
and contact a licensed plumber or the
local plumbing authority for further
information.
When used in demand response
applications a thermostatic mixing valve
conforming to ASSE 1017 shall be
installed on the hot water supply line
following all manufacturer installation
instructions. See page 32 for additional
installation information.
The chart on the page 3 may be used as
a guide in determining the proper water
temperature for your home.
Safety Precautions
Disconnect all power to water
heater if it has been subjected to
over heating, fire, flood, physical
damage.
DO NOT turn on water heater
unless it is filled with water.
DO NOT turn on water heater if
cold water supply shut-off valve
is closed.
If there is any difficulty in
understanding or following the
Operating Instructions or the
Care and Cleaning section, it is
recommended that a qualified
person or serviceman perform the
work.
Operating the water heater
CAUTION: Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for
a long period of time (generally two weeks or more). HYDROGEN GAS IS EXTREMELY FLAMMABLE!! To dissipate
such gas and to reduce risk of injury, it is recommended that the hot water faucet be opened for several minutes at the
kitchen sink before using any electrical appliance connected to the hot water system. If hydrogen is present, there will be an
unusual sound such as air escaping through the pipe as the water begins to flow. DO NOT smoke or use an open flame near
the faucet at the time it is open.
Safety Controls
WARNING: If the water
heater has been subjected
to fire, flood or physical
damage, disconnect all
power to water heater, and
DO NOT operate the water
heater again until it has
been checked by a qualified
service technician.
NOTICE: DO NOT use
this appliance if any part
has been under water.
Immediately call a qualified
installer or service agency
to replace a flooded water
heater. DO NOT attempt
to repair the unit! It must
be replaced.
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