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9
12. Replace the cover on the thermostat by snapping it in place.
13. Turn on power to the system at the main service panel.
14. Test thermostat operation as described in the following section.
FAN OPTION SWITCH
Read the following information before setting the fan option switch (See figure 1). If you
are unsure of your application, contact a qualified service person.
This thermostat is configured from the factory to energize the fan on a call for heat. If
your system is an electric heat or heat pump that REQUIRES the thermostat to turn on
the fan on a call for heat, place the fan option switch in the ELEC position. If your system
does not require the thermostat to energize the fan on a call for heat such as fossil fuel
(gas, oil, etc.), forced air system as well as hydraulic heating systems, place the fan
option switch in the GAS position.
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