Honeywell CT3451 Owner's Manual - Page 1

CT3451 Programmable Thermostat OWNER'S GUIDE MERCURY NOTICE If this control is replacing a control that contains mercury in a sealed tube, do not place your old control in the trash. Dispose of it properly. Contact your local waste management authority for instructions regarding recycling and the proper disposal of an old control. Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Wallplate Congratulations on the purchase of your new thermostat! More than 100 years of Honeywell engineering produced this thermostat that can provide you with a more comfortable and convenient living environment. Your new thermostat automatically controls the temperature in your home, keeping you comfortable while saving energy when programmed according to these instructions. Direct questions about this thermostat to our Web site at www.honeywell.com/yourhome or call the customer information line at 1-800-468-1502. 1 PREPARE FOR INSTALLATION ❑ Check Table 1 to make sure this thermostat is compatible with your system. If not, return it to the retailer. ❑ Acquire tools and items, as needed. See Fig. 1. SCREWDRIVER HAND OR POWER DRILL WITH 3/16 INCH DRILL BIT, IF NEEDED TO DRILL HOLES IN WALL WIRE CUTTER/STRIPPER IF NEEDED TO STRIP WIRES MERCURY SWITCH TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT M10614 LEVEL, IF NEEDED TO LEVEL THERMOSTAT FOR APPEARANCE M20551 Fig. 1. Required installation tools/supplies. ® U.S. Registered Trademark Copyright © 2003 Honeywell • •All Rights Reserved 69-1620-1