GAS / ELEC SLIDE SWITCH (FAN OPERATION):
This switch is a physical component by itself on
the circuit board, and is much larger than the
DIP switches listed above. [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. [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 two items below are both located on the right side 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.
19
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FRONT PANEL ITEMS:
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