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Operating the water heater.
Water Temperature Setting…
Maximum water temperatures occur just
after the burner has shut off. To determine
the water temperature, turn on a hot water
faucet and place a thermometer in the
water stream.
To avoid any unintentional changes in
water temperature settings, the gas control
(thermostat) has a tamper resistant feature
for changing the temperature setting. To
change the temperature setting follow
these instructions.
1. "Wake Up" the temperature indicators
by holding down both "COOLER" and
"HOTTER" temperature adjustment
buttons at the same time for one
second, see Figure below. One or two
of the temperature indicators will light
up. These indicators will only remain
on for 30 seconds if no further buttons
are pressed. After 30 seconds the
control will go back to "sleep" mode.
2. Release both of the temperature buttons.
a. To decrease the temperature press
and release the "COOLER" button
until the desired setting is reached.
b. To increase the temperature press
and release the "HOTTER" button
until the desired setting is reached.
NOTE: Holding down the button will not
continue to lower or raise the temperature
setting. The button must be pressed and
released for each temperature change
desired.
A condition known as “stacking” or
“layering” can occur when a
series of short and frequent hot
water draws are taken.
The hottest temperature water will be at
the top of the tank, closest to the outlet
pipe delivering hot water to the home.
Stacking can cause this top layer of water
to be hotter than the water toward the
bottom of the tank near the gas control
(thermostat). Therefore, always remember
to test the water temperature with your
hand before use and remember that hotter
water increases the risk of scald injury.
Also, always supervise young children or
others who are incapacitated.
The gas control (thermostat) is constructed
with a built in safety shut-off device
designed to shut off the gas supply to the
burner if the main burner is extinguished
for any reason.
The gas control (thermostat) is also
equipped with a single use gas shut off
device that will shut off the gas supply
to the burner if the water heater exceeds
normal operating temperatures. Refer to
the Before You Call For Service section of
this manual, or contact your dealer.
!
WARNING: Should overheating occur or
the gas supply fail to shut off, turn off the
manual gas control valve to the appliance.
If the water heater has been subjected to
fire, flood or physical damage, turn off the
manual gas control (shut-off) valve, and
do not operate the water heater again until
is has been checked by a qualified service
technician.
NOTICE: Replace any part of the gas
control system which has been under water.
Time/Temperature Relationship in Scalds
Water Temperature Time To Produce a Serious Burn
120°F More than 5 minutes
125°F 1
1
/2 to 2 minutes
130°F About 30 seconds
135°F About 10 seconds
140°F Less than 5 seconds
145°F Less than 3 seconds
150°F About 1
1
/2 seconds
155°F About 1 second
Table courtesy of Shriners Burn Institute
VACATION
WARNING
VERY
HOT
WARM
A B C
COOLER
HOTTER
VACATION
VERY
HOT
WARM
A B C
COOLER
HOTTER
Temperature Setting
Display
▼ A B C
Burns on Adult Skin
WARM = approx. 70°F (21°C)
● ○ ○ ○ ○ ○
--------------------
▼ = approx. 120°F (49°C)
○ ○ ● ○ ○ ○
More than 5 minutes
A = approx. 130°F (54°C)
○ ○ ○ ● ○ ○
About 30 seconds
B = approx. 140°F (60°C)
○ ○ ○ ○ ● ○
Less than 5 seconds
C = approx. 150°F (66°C)
○ ○ ○ ○ ○ ●
About 1-1/2 seconds
C-Flashing = approx. 160°F (71°C)
○ ○ ○ ○ ○ ●
About 1/2 seconds