System Switch (Heat/Cool) - Honeywell PRO TH2000 Series Operating Manual

Operating Manual
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).
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