5
Operating Your Thermostat
Temperature Adjustment
Temporary Adjustment – Press the or button to adjust the current
set point temperature.
Extended Adjustment – Press the HOLD button so that HOLD appears in
the display screen. Press or to adjust the current set temperature.
Status Indicators
Status indicators appear in the display to let you know if your system is
heating, cooling or off.
HEAT ON Indicates that your heating system is running.
COOL ON Indicates that your cooling system is running.
SERVICE Indicates that a user service reminder was selected.
Additional status indicators (Model PRS4210 Only):
AUX Indicates that the auxiliary stage of heating is running
(multi-stage systems only).
EMER Indicates that the emergency heating system is running (heat
pump systems only).
Program Event Indicators
Program Event Indicators appear in the display to let you know what part of
your current program is active. The 4 different program event indicators are
MORN, DAY, EVE and NIGHT. When the program event indicator is flashing,
your program has been temporarily bypassed and will resume at the next
scheduled event. NOTE: You will not see a program event indicator while in
HOLD Mode.
Resetting the Thermostat
This thermostat provides you with a reset button that will erase all of your
user settings and programming. To reset the thermostat, use a small
object
such as a tooth pick or paperclip and gently press the button located inside
the small hole on the front of the thermostat housing labeled “reset”.
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Additional Operation Features
Compressor Protection
This thermostat includes an automatic compressor protection delay to help
avoid potential damage to your system from short cycling. This feature
activates a short delay after turning off the system compressor.
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