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SWITCH #8 (BATTERY MONITOR): [OFF/DOWN = ON, default] This setting,
regularly monitors the battery level, and shows “LOW BAT” on the screen if
the batteries need to be replaced. Use this setting at all times when
batteries are present in the thermostat. [ON/UP = OFF] This setting only
applies if you are NOT physically using batteries in the thermostat, and are
powering the thermostat entirely from the system (“C” wire terminal).
SWITCH #9 (FAN): [OFF/DOWN = GAS, default] This setting lets the heating
system control the blower fan automatically by itself. Systems that would
typically use the “GAS” setting would be: natural gas, propane, or oil
furnaces. This setting has no effect upon Cool mode operation. [ON/UP =
ELEC/HP] This setting runs the system’s blower fan when heat is called for,
and is required for heating systems that do not control their own fan while
the thermostat is in HEAT mode. Heat pump systems, and units with an
electric heating element typically require this setting.
Once the hardware options are set, install two new Energizer
®
or DURACELL
®
"AA" size alkaline batteries. Ensure that the batteries are installed in the
proper direction as per the markings shown in the battery tray. If the
batteries were already installed before changing the hardware setup options,
change the position of the HEAT/OFF/COOL System Mode switch to accept
the new hardware option switch settings.
These items below are all located behind the door on the front of the
thermostat. To open the door, pull outwards using the small indentation in
the center of the top edge of the thermostat housing.
HEAT / OFF / COOL, SYSTEM MODE SWITCH: Set this switch to HEAT to
control your heating system, and COOL to control your cooling system. The
OFF position will disable both the heating and cooling units.
AUTO / ON, FAN MODE SWITCH: When this switch is in AUTO, the blower fan
(if present in your system) will automatically cycle on and off by itself while
heating or cooling is running. When in the ON position, the blower fan will
run constantly with or without a demand for heating or cooling, even when
the System Mode switch is in the OFF position.
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