Honeywell Thermostat CT3451- Manuals

Page 2 - REMOVE OLD THERMOSTAT; CAUTION; Replacing Clock WIth C or C1 Clock; Six or More Thermostat Wires

CT3451 PROGRAMMABLE THERMOSTAT 69-1620—1 2 2 REMOVE OLD THERMOSTAT ❑ Test to be sure your heating and air conditioning systems (where applicable) are working correctly. If not, contact your local heating/air conditioning dealer. To avoid compressor damage, do not operate the cooling system when outd...

Page 3 - MOUNT WALLPLATE; WIRE WALLPLATE TERMINALS; Rc

CT3451 PROGRAMMABLE THERMOSTAT 3 69-1620—1 3 MOUNT WALLPLATE IMPORTANT Level for appearance only. The thermostat func-tions normally even when not mounted level. ❑ Position the wallplate on the wall. Level the wallplate for appearance, if desired. Use a pencil to mark the two mounting holes that bes...

Page 6 - CUSTOMIZE YOUR THERMOSTAT; Heating/Cooling Temperature Control

CT3451 PROGRAMMABLE THERMOSTAT 69-1620—1 6 Fig. 13. Installing batteries. ❑ Restore power to the heating/cooling system. 8 CUSTOMIZE YOUR THERMOSTAT Your Honeywell thermostat comes preset to the most commonly used settings:— Temperature (°F). — Gas or oil forced air furnace.— Aggressive algorithm co...

Page 7 - PROGRAM YOUR THERMOSTAT; Setting Current Time and Day

CT3451 PROGRAMMABLE THERMOSTAT 7 69-1620—1 — Press the ▲ key. Current configuration (CC) is displayed. A typical example is shown, but CC varies by model. (This information is for factory use only.) ❑ Exit Installer Setup.— Press the ▲ key to save all changes and return to normal operation. a High e...

Page 8 - Setting Saturday and Sunday Programs

CT3451 PROGRAMMABLE THERMOSTAT 69-1620—1 8 2. Leave.a. Press Select. Press ▼ or ▲ key to set Leave time. b. Press Select. Press ▼ or ▲ key to set Leave temperature. 3. Returna. Press Select. Press ▼ or ▲ key to set Return time. b. Press Select. Press ▼ or ▲ key to set Return temperature. 4. Sleepa. ...

Page 9 - 0 OPERATE YOUR THERMOSTAT; Displaying Temperature Setting; 1 SET FAN AND SYSTEM; Fan Switch

CT3451 PROGRAMMABLE THERMOSTAT 9 69-1620—1 4. Sleepa. Press Select. Press ▼ or ▲ key to set Sleep time. b. Press Select. Press ▼ or ▲ key to set Sleep temperature. 5. Repeat steps 1-4 in Setting Saturday and Sunday Program section to set the Sunday program. 6. Press Select. End is displayed. Program...

Page 10 - System Switch; Heat and Cool Indicators; 2 CHECK OPERATION AFTER; Heating System; Fan

CT3451 PROGRAMMABLE THERMOSTAT 69-1620—1 10 System Switch ❑ The System switch settings control thermostat operation as follows: Cool: The thermostat controls the cooling system.Off: Both heating and cooling are off.Heat: The thermostat controls the heating system. ❑ Slide the System switch on the th...

Page 11 - TROUBLESHOOTING

CT3451 PROGRAMMABLE THERMOSTAT 11 69-1620—1 TROUBLESHOOTING Table 4. Frequently Asked Questions. If ... Then ... Display does not come on. Make sure the batteries are fresh and installed correctly. Temperature display does not go lower than 40°F (4°C) or higher than 99°F (37°C during programming. Yo...

Page 12 - Limited One-Year Warranty

69-1620—1 J.S. 05-03 www.honeywell.com/yourhome CT3451 PROGRAMMABLE THERMOSTAT Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valle...

Honeywell Thermostat CT3451- Manuals

Manuals:

User Manual Honeywell Thermostat CT3451

Summary

Honeywell Manuals