Honeywell CT31 Thermostat User Manual


 
Owner’s Manual
6
Operation
Fan switch
On: Fan runs continuously.
Auto: Fan runs only when heating
or cooling system is on.
System switch
Cool: Thermostat controls only
the cooling system.
Heat: Thermostat controls only
the heating system.
Off: Heating and cooling
systems are off.
Temperature setting
Move lever to adjust desired indoor
temperature.
CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage,
do not operate cooling system when outdoor temperature is below 50°F (10°C).