User manual
User Manual 24
25 User Manual
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.
AUX Indicates that the auxiliary stage of heating is running
(multi-stage systems only).
EMER
Indicates that the emergency heating system is running
(Model 5220 - heat pump systems only).
CHECK Indicates that there is a potential problem with your
system. Contact a local service technician (Model 5220 only).
SERVICE Indicates a user selectable service reminder for changing a lter, UV air purier bulb or humidier
pad (See Service Monitors, page 10).
Reset
Button
Program Event Indicators
Program event indicators appear in the display to let you
know what part of your current program is active.
• In Residential Program Mode, MORN, DAY, EVE or NIGHT
will appear.
•
In Commercial Program Mode, OCCUPIED or UNOCCUPIED
will appear.
When the program event indicator is ashing, 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 or Non-Programmable Mode.
Resetting the Thermostat
This thermostat provides you with a reset button that will
erase all of your user settings and programming.
The reset feature does not affect the Installer Settings.
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 ”.
NOTE: You cannot reset the thermostat if it is locked.
Status
Indicator
Program Event
Indicator