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SDT/SET Installation & Operation Manual
RESET BUTTON
THERMOSTAT
DIAL POINTER
T
HERMOSTAT
PROTECTIVE
COVER
16
5 Wiring
Electrical Connection
(Squire solar water heater with electric back up only -- SET models only)
Be sure to ground the water heater. The preferred way to ground is to use rigid metal conduit between the main
panel and the water heater junction box with approved end fittings. The separate ground wire connection
provided in the water heater junction box must also be grounded. Replace the junction box cover and insulation
after you have made all wiring connections.
ƽ CAUTION
The manufacturer’s warranty does not cover
any damage or defect caused by the
installation, attachment or use of any type of
unapproved devices into, onto or in
conjunction with this water heater. The use of
unauthorized energy saving devices may
shorten the life of the water heater and may
endanger life and property. The manufacturer
disclaims any responsibility for such loss or
injury resulting from
the use of such
unauthorized devices.
ƽ WARNING
Tank must be full before unit is turned on! The heating element will be damaged if energized for even a short
period of time while tank is dry!
ƽ CAUTION
After the water and electrical connection have been made and
the tank has been filled with water, turn on the power to
heater. The heater is now operational.
Thermostat Adjustment
The thermostat is located in the front of the heater. The access
cover must be removed to adjust to the factory default setting
of
120°F. This temperature is satisfactory for the averag
e
household use.
1. Turn off power to the heater.
2. Remove access cover and insulation. Do not remove the
thermostat protective cover.
3. Set temperature indicator to desired temperature, then
replace insulation and access cover.
4. Turn on power to heater
.
Combination “Thermostat and High Limit
Control (ECO)”
This heater is equipped with a combination thermostat and
high limit safety. If for any reason the water temperature
becomes eccessively high, the “High Limit Control (ECO”
breaks the circuit to the heating element. Once the switch
opens, it must be reset manually.
Figure 5-1 Thermostat
The 4500-watt heating element in the Squire SET is wired to the
junction box on top of the heater and it requires 240-volt/ A.C.
electrical service. The voltage requirement and wattage load
for
the heater is also specified on the heater identification
plate. A
1/2” E.M.T. opening, located on top of the unit is
provided for a
field wiring connection. Consult an
electrician to determine if
your electrical service is
adequate for the additional load of the
heater. The electrical
installation should be done by a qualified
licensed
electrician. All wiring must conform to the National
Electric Code and local codes.
NOTICE
The cause of the over temperature
condition must be corrected first.
. To reset, press the red button as shown in FIG. 5-1. Replace
the insulation and access cover before turning on power to the
heater.