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Figure 5
Flexible metal conduit or flexible metallic tubing shall be
permitted for grounding if all the following conditions are
met:
1. The length in any ground return path does not exceed
6 feet.
2. The circuit conductors contained therein are protected
by overcurrent devices rated at 20 amperes or less.
3. The conduit or tubing is terminated in fittings approved
for grounding.
Never use this solar water heater unless it is completely
full of water.
SOLAR WATER HEATERS EQUIPPED FOR ONE TYPE
VOLTAGE ONLY. This solar water heater is equipped
for one type of voltage only. Check the rating plate near
the bottom access panel for the correct voltage. DO NOT
USE THIS SOLAR WATER HEATER WITH ANY VOLTAGE
OTHER THAN THE ONE SHOWN ON THE MODEL
RATING PLATE. Failure to use the correct voltage can
cause problems which can result in DEATH, SERIOUS
BODILY INJURY OR PROPERTY DAMAGE. If you have
any questions or doubts consult your electric company.
If wiring from the fuse box or circuit breaker box was alumi-
num for the old tank, replace it with copper wire. If you wish
to reuse the existing aluminum wire, have the connection
at the solar water heater made by a competent electrician.
Contact your local utility to arrange for a professional elec-
trician.
L1 L3
L4
T2 T4
L2
T1
THERM-O-DISC
RESET
150°F
125°F
90°F
RESET
(66°C)
(52°C)
(32°C)
BLACK
RED
BLACK
ELEMENT
RED
Figure 6
THERMOSTAT
Each thermostat is factory preset at 120°F to reduce the
risk of scald injury. This setting has proven by experience
to be most satisfactory from the standpoint of operational
costs and household needs.
Solar water heaters installed in Florida require the
thermostat(s) to be set at 125°F. If you wish to adjust the
settings, see the “Temperature Adjustment” section of this
installation manual on page 11.
TEMPERATURE REGULATION
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 and Table 2 for information regarding thermostat
settings. In addition to using the lowest possible temperature
setting that satisfies your hot water needs, some type of
mixing 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. 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 and is adjustable if a different water
temperature is desired. For best system savings this
temperature should not be changed. Read all warnings in this
manual and on the solar water heater before proceeding.