Honeywell PRO TH2000 Thermostat User Manual


 
Operating Manual
6
ENGLISH
System switch
Use the SYSTEM switch to place the system in one of the
following modes:
Cool: System is in Cooling mode.
Off: System is off.
Heat: System is in Heating mode.
Em Heat: System is in Emergency Heat mode. Only auxiliary
heating can be activated. The compressor is disabled. (This
mode is available on TH2210D model only.)
CAUTION: EQUIPMENT DAMAGE HAZARD.
Do not use Cooling mode when the outdoor
temperature is below 50 °F (10 °C).