Honeywell CT50K Owner's Manual - Page 1

Owner's Manual English: Page 1 Mode d'emploi Français : Page 6 Manual de Uso Español: Página 11 M23785 CT50 Series Thermostat Vertical Mount: CT50 (24 Vac heating systems) CT51 (24 Vac heating and cooling systems) CT53 (750 mV or 12Vdc heating systems) Horizontal Mount: CT54 (24 Vac heating systems) CT55 (24 Vac heating and cooling systems) Temperature Control Range • 45°-95°F (7°-35°C) • 35°-85°F (2°-29°C); select models; for garages or other outbuildings. Getting started Check package contents: • Thermostat • Wall anchors & screws (2 each) • Wire labels Remove your old thermostat Before you begin, make sure you have: • No. 2 Phillips & small pocket screwdrivers • Hammer • Level (optional) • Pencil • Drill and bit (3/16" for drywall, 7/32" for plaster) TURN OFF POWER at heating/cooling system (or fuse/circuit-breaker panel). Remove cover and thermostat, but leave wallplate with wires attached. Leave wallplate in place. Is there a sealed tube containing mercury? If so, see mercury notice below. Old thermostat Cover M23786 ® U.S. Registered Trademark. Patents pending. Copyright © 2009 Honeywell International Inc. All rights reserved. MERCURY NOTICE If your old thermostat contains mercury, contact your local waste management authority for proper disposal instructions. 69-2040EFS-01