Owner's Manual
Page 3
... when the outdoor temperature is below 50 °F (10 °C). Need Help? Patents pending. © 2009 Honeywell International Inc. Registered Trademark. ENGLISH PRO 2000 Series This manual covers the following models: TH2110D: For 1-Heat / 1-Cool systems TH2210D: For 2-Heat / 1-Cool heat pump systems (Remove the thermostat from its wallplate to find the model...
... when the outdoor temperature is below 50 °F (10 °C). Need Help? Patents pending. © 2009 Honeywell International Inc. Registered Trademark. ENGLISH PRO 2000 Series This manual covers the following models: TH2110D: For 1-Heat / 1-Cool systems TH2210D: For 2-Heat / 1-Cool heat pump systems (Remove the thermostat from its wallplate to find the model...
Owner's Manual
Page 8
... override (see page 12) Schedule period Clock Temperature The ambient (measured) temperature is displayed. The setpoint temperature will appear for five seconds. Operating Manual ENGLISH Quick reference to TH2210D model only. 4 Low-battery warning (see page 14) Permanent schedule override (see page 11) Setpoint indicator Appears when the setpoint temperature is normally...
... override (see page 12) Schedule period Clock Temperature The ambient (measured) temperature is displayed. The setpoint temperature will appear for five seconds. Operating Manual ENGLISH Quick reference to TH2210D model only. 4 Low-battery warning (see page 14) Permanent schedule override (see page 11) Setpoint indicator Appears when the setpoint temperature is normally...
Owner's Manual
Page 10
ENGLISH 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 Emergency Heat mode. Only auxiliary heating can be activated. The compressor is disabled. (This mode is in Heating mode. • Em Heat: System is available on the TH2210D model only.) CAUTION: EQUIPMENT DAMAGE HAZARD. Do not use Cooling mode when the outdoor temperature is below 50 °F (10 °C). 6
ENGLISH 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 Emergency Heat mode. Only auxiliary heating can be activated. The compressor is disabled. (This mode is in Heating mode. • Em Heat: System is available on the TH2210D model only.) CAUTION: EQUIPMENT DAMAGE HAZARD. Do not use Cooling mode when the outdoor temperature is below 50 °F (10 °C). 6
