•AUDIO PROMPTING — Each time you press a button, the thermostat will beep.
•BACKLIT DISPLAY — When you press any button on the thermostat, the display is lit for approximately eight seconds.
•SYSTEM INDICATOR LIGHT — The red light on the upper right part of the thermostat indi- cates system operation (see PARTS OF THE THERMOSTAT).
NOTE
On systems with Taco zone valves, the indicator light will flash during the heating cycle.
•COMPRESSOR SHORT CYCLE PROTEC- TION — To protect your compressor from potential damage due to rapid cycling, this thermostat has a
a) Return of power after a power outage.
b) Pressing SYSTEM to change operating
SWITCH
modes.
c)Pressing , creating a call for COOL too soon after a previous call.
•TOTAL KEYPAD LOCKOUT — When Group A option switch #1 is in the total keypad lockout position (ON), programs cannot be altered and all buttons are disabled.
NOTE
Programming should be completed and batteries should be installed before changing Group A option switches #1 or #2.
PROGRAMMING
17