User Guide

Fan key

Used with two different menu options:

ON - Continuous fan operation.

AUTO - Fan is activated only when there is demand for heat or cool, with some exceptions.

Note: Several Service Menu options affect the fan operation (See Advanced

Con guration in the “Performance PRO T8000 Series Installation Guide.”)

More key

Used to view more menu options. From the Default Display, press More to show more menu

options that may be accessed by pressing the soft keys.

Demand Indicator

Light emitting diode (LED) on lower left front panel that displays red when heating and green

when cooling. Available only when 24 VAC power is connected to the thermostat.

Up and Down keys (▲/▼)

Used in menus to increase or decrease variable settings, or switch to the next input.

Note: Pressing ▲/▼ keys show the Override display unless Holiday mode is set.

Override key

Used to create a temporary override of current setpoint temperature. Pressing Override will

display the “Next” and “Done” options and the setpoint will begin flashing.

KEY OPERATION (CONT.)KEY OPERATION (CONT.)KEY OPERATION (CONT.)