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6
Water Time to Produce 2nd & 3rd
Temperature Degree Burns on Adult Skin
170°F Nearly instantaneous
160°F About 1/2 second
150°F About 1-1/2 seconds
140°F Less than 5 seconds
130°F About 30 seconds
125°F About 2 minutes
120°F More than 5 minutes
FIGURE 7
TEMPERATURE ADJUSTMENT
To adjust the temperature setting:
1. Turn “OFF” the electrical power to the water heater, at the
junction box.
WARNING
HAZARD OF ELECTRICAL SHOCK! Failure to turn “OFF” electric
power to the solar water heater will result in the possibility of
DEATH, SERIOUS BODILY INJURY OR PROPERTY DAMAGE.
2. Take off the access panel and fold away the insulation.
3. Turn the water temperature dial clockwise (
) to increase
the temperature, or counterclockwise ( ) to decrease the
temperature.
4. Fold the insulation back in place and replace the access
panel.
5. Turn “ON” the power supply.
FIGURE 8
TEMPERATURE REGULATION
WARNING
HOTTER WATER CAN SCALD: Solar 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 cause scalds resulting in serious personal injury
and/or death. Some people are more likely to be permanently
injured by hot water than others. These include the elderly,
children, the infirmed, or physically 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
Please see Figure 7. 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 solar
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 Temperature Adjustment section.
WARNING
KEEPING THE THERMOSTAT SETTING AT 120°F WILL REDUCE
THE RISK OF SCALDS. 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.
TEMPERATURE SETTINGS
NOTE: This residential solar water heater will not supply
sanitizing hot water for dishwashers.
The thermostat is factory set at its lowest position which
approximates 120°F (Hot) and is adjustable if a different water
temperature is desired. Read all warnings in this manual and
on the solar water heater before proceeding.
TEMPERATURE SETTINGS
HOT - is a thermostat setting of approximately 120°F,
which will supply hot water at the most
economical temperatures.
A - is a thermostat setting of approximately 130°F.
B - is a thermostat setting approximately 140°F.
C - is a thermostat setting approximately 150°F.
VERY HOT - is a thermostat setting of approximately 160°F.
It is recommended that the dial be set lower
whenever possible.
OPERATION