Owner's Manual
Page 2
... following models: TH4110D: For 1 Heat/1 Cool systems TH4210D: For 2 Heat/1 Cool heat pump systems only (Pull thermostat from wallplate and turn over to see basic operating instructions at 1-800-468-1502 69-1760EFS-01 Read and save these instructions. ® U.S. Patents pending. Copyright © 2009 Honeywell International Inc... cooling system when outdoor temperature is below 50°F (10°C). For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at a glance. ENGLISH Quick Reference Card Grasp and pull to find...
... following models: TH4110D: For 1 Heat/1 Cool systems TH4210D: For 2 Heat/1 Cool heat pump systems only (Pull thermostat from wallplate and turn over to see basic operating instructions at 1-800-468-1502 69-1760EFS-01 Read and save these instructions. ® U.S. Patents pending. Copyright © 2009 Honeywell International Inc... cooling system when outdoor temperature is below 50°F (10°C). For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at a glance. ENGLISH Quick Reference Card Grasp and pull to find...
Owner's Manual
Page 6
Compressor is on. Auto: Fan runs only when heating or cooling system is locked out. (Select models only.) M29470 69-1760EFS-01 4 • Set: Press to set time/day/ schedule. • Hold: Press to override programmed temperature control. • Run: Press to ...
Compressor is on. Auto: Fan runs only when heating or cooling system is locked out. (Select models only.) M29470 69-1760EFS-01 4 • Set: Press to set time/day/ schedule. • Hold: Press to override programmed temperature control. • Run: Press to ...
Owner's Manual
Page 7
Heat on: Heating system is on .** ** Only for heat pumps with this capability (select models only). 5 69-1760EFS-01 Em: Emergency heat is on.** Aux: Auxiliary heat is on. ENGLISH Quick reference to display screen PRO TH4110D / TH4210D Low battery ...
Heat on: Heating system is on .** ** Only for heat pumps with this capability (select models only). 5 69-1760EFS-01 Em: Emergency heat is on.** Aux: Auxiliary heat is on. ENGLISH Quick reference to display screen PRO TH4110D / TH4210D Low battery ...
Owner's Manual
Page 9
System switch Set SYSTEM switch to control your heating or cooling system, depending on the season. • Cool: Cooling system control. • Off: All systems are off. • Heat: Heating system control. • Em Heat: Emergency & Auxiliary Heat control. Compressor is below 50°F (10°C). 7 69-1760EFS-01 ENGLISH Do not operate cooling system when outdoor temperature is locked out. (Select models only.) CAUTION: EQUIPMENT DAMAGE HAZARD. PRO TH4110D / TH4210D M29473 The SYSTEM switch can be set to control the heating or cooling system.
System switch Set SYSTEM switch to control your heating or cooling system, depending on the season. • Cool: Cooling system control. • Off: All systems are off. • Heat: Heating system control. • Em Heat: Emergency & Auxiliary Heat control. Compressor is below 50°F (10°C). 7 69-1760EFS-01 ENGLISH Do not operate cooling system when outdoor temperature is locked out. (Select models only.) CAUTION: EQUIPMENT DAMAGE HAZARD. PRO TH4110D / TH4210D M29473 The SYSTEM switch can be set to control the heating or cooling system.
Owner's Manual
Page 21
..., please visit http://yourhome.honeywell.com. MCR29479 19 69-1760EFS-01 Cover plate assembly*....Part No. 50002883-001 *Use to find model number and date code. ENGLISH Customer assistance Pull at 1-800-468-1502. To save time, please note your model number and date code before... calling. Accessories/replacement parts To order, please call Honeywell Customer Care toll-free at 1-800-468-1502. Or call Honeywell Customer Care toll-free at bottom to remove thermostat from wallplate. Turn thermostat over to cover marks left...
..., please visit http://yourhome.honeywell.com. MCR29479 19 69-1760EFS-01 Cover plate assembly*....Part No. 50002883-001 *Use to find model number and date code. ENGLISH Customer assistance Pull at 1-800-468-1502. To save time, please note your model number and date code before... calling. Accessories/replacement parts To order, please call Honeywell Customer Care toll-free at 1-800-468-1502. Or call Honeywell Customer Care toll-free at bottom to remove thermostat from wallplate. Turn thermostat over to cover marks left...