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Temperature Regulation
HOTTER WATER CAN SCALD: Water heaters are intended
to produce hot water. Water heated to a temperature which
will satisfy clothes washing, dish washing, and other sanitizing
needs can scald and permanently injure you upon contact.
Some people are more likely to be permanently injured by hot
water than others. These include the elderly, children, the infirm,
or physically/mentally handicapped. If anyone using hot water
in your home fits into one of these groups or if there is a local
code or state law requiring a certain temperature water at the hot
water tap, then you must take special precautions. In addition
to using the lowest possible temperature setting that satisfies
your hot water needs, some type of tempering device, such as
a mixing valve, should be used at the hot water taps used by
these people or at the water heater. Mixing valves are available
at plumbing supply or hardware stores. Follow manufacturers
instructions for installation of the valves. Before changing the
factory setting of the thermostat, read the "Thermostat" and
"Thermostat Adjustment" sections.
Never allow small children to use a hot water tap, or to draw
their own bath water. Never leave a child or handicapped person
unattended in a bathtub or shower.
Thermostat
The thermostat of this water heater has been factory set at a
position which approximates 120°F (49°C), to reduce the risk
of scald injury.
The thermostat is adjustable if a different water temperature
is desired. Read all warnings in this manual and on the water
heating before proceeding.
TABLE 1:
Water
Time for 1st
Temperature
Degree Burn
°F
(Less Severe Burns)
110
(normal shower temp.)
116
(pain threshold)
116
35 minutes
122
1 minute
131
5 seconds
140
2 seconds
149
1 second
154
instantaneous
(U.S. Government Memorandum, C.P.S.C., Peter L. Armstrong, Sept. 15,1978)
SERVICE AND ADJUSTMENT
Time for Permanent Burns
2nd & 3rd Degree
(Most Severe Burns)
45 minutes
5 minutes
25 seconds
5 seconds
2 seconds
1 second
TEMPERATURE SETTINGS
It is recommended that the dial be set lower whenever possible.
Temperature
Setting
VERY HOT = approx. 160°F (71°C)
C = approx. 150°F (66°C)
B = approx. 140°F (60°C)
A = approx. 130°F (54°C)
HOT = approx. 120°F (49°C)
NOTE: Water temperature range of 120°—140°F (49°-60°C)
recommended by most dishwasher manufacturers.
Thermostat Adjustment
(Refer to thermostat illustrations under "Thermostat" section)
The thermostat is adjustable if a different water temperature
is desired. Read all warnings in the "Temperature Regulation"
section before proceeding.
1. Turn "OFF" the electric power to the water heater at the
junction box.
2. Take the access panel off and fold the insulation back to
expose the thermostats.
3. The slotted adjustment (using a screwdriver) can be turned
clockwise (
) to increase the temperature setting or
counter clockwise (
setting.
4. Replace the insulation and access panel.
5. Turn "ON" the power supply.
14
Time to Produce 2nd & 3rd
Degree Burns on Adult Skin
About 1/2 second
About 1-1/2 seconds
Less than 5 seconds
About 30 seconds
More than 5 minutes
FIGURE 13.
) to decrease the temperature
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