Instructions / Assembly

30
Operating the water heater
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.
If an adjustment to the water temperature is
preferred, then refer to the Water Heater User
Display – Operation Instructions for instruction
on adjusting the local and remote user display
temperature setpoints.
The reference mark "LOW" represents an ap-
proximate water temperature of 90°F (32°C).
The reference mark "HOT" represents an ap-
proximate water temperature of 120°F (49°C).
The reference mark "A" represents an approxi-
mate water temperature of 130°F (54°C).
The reference mark "B" represents an approxi-
mate water temperature of 140°F (60°C)
The reference mark "C" represents an approxi-
mate water temperature of 150°F (66°C)
The reference mark "VERY HOT" represents an
approximate water temperature of 160°F (71°C)
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 combination gas control (thermo-
stat). 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 combination gas control (thermostat) is
constructed with a built in safety shutoff device
designed to shutoff the gas supply to the burner
if the main burner is extinguished for any reason.
The combination gas control (thermostat) is also
equipped with a 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” sec-
tion of this manual, or contact your dealer.
!
WARNING: Should overheating occur
or the gas supply fail to shut off, turn off
the manual gas (shutoff) valve to the
appliance
If the water heater has been subjected to re,
ood or physical damage, turn off the manual
gas control (shutoff) valve and DO NOT operate
the water heater again until it has been checked
by a qualied service technician.
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
90° F
113°F
98°F
105°F
120°F
130°F
140°F
150°F
160°F
Water Temperature Setting…