Circulating Fan Mode
Circulating Fan Mode is selected by touching the FAN button until
CIRC appears in the display. When in CIRC mode the fan operates
as required by the heating and cooling system (just like AUTO mode).
When heating or cooling is not active, fan will run as needed to
ensure a 35% minimum run time.
Programmable Fan Mode
Programmable Fan Mode allows the user to run the system fan in
the AUTO, ON or CIRC mode during a selected program event.
This selection is made during the programming process
(See “Setting Your Program Schedule” in section 3).
Programmable Fan is selected by pressing the FAN button until
FAN PROG appears in the display. It is not available if the
thermostat was configured to be Non-Programmable, however
it will still function if the thermostat is placed into HOLD mode.
Compressor Protection
This thermostat includes an automatic compressor protection delay to avoid potential damage to your system
from short cycling. This feature activates a short delay after turning off the system compressor.
Additionally, for multistage heat pump systems, this thermostat provides cold weather compressor protection by
locking out the compressor stage(s) of heating for a period of time after a power outage greater than 60 minutes.
During this lockout period, the thermostat will operate the auxiliary stage of heating.
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