Owner's Manual
Page 1
... other outbuildings. Is there a sealed tube containing mercury? If so, see mercury notice below. 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... and cooling systems) Temperature Control Range • 45°-95°F (7°-35°C) • 35°-85°F (2°-29°C); Copyright © 2009 Honeywell International Inc. select models; All rights reserved.
... other outbuildings. Is there a sealed tube containing mercury? If so, see mercury notice below. 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... and cooling systems) Temperature Control Range • 45°-95°F (7°-35°C) • 35°-85°F (2°-29°C); Copyright © 2009 Honeywell International Inc. select models; All rights reserved.
Owner's Manual
Page 2
...Use only letter designations to disconnect wires one by one. Pull wires through base. 2. Mark mounting position CT50/CT53/CT54 For CT51/CT55: If your thermostat package.) Remove the old wallplate only after all wires are labeled. CT51/CT55 1. Stop now and call 1-800-468-1502 for advice. Do not let...3. Be careful not to let loose wires fall into the wall opening ! Stop now and call 1-800-468-1502 for advice. CT50 Series • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify wire types. As you may have purchased the wrong replacement...
...Use only letter designations to disconnect wires one by one. Pull wires through base. 2. Mark mounting position CT50/CT53/CT54 For CT51/CT55: If your thermostat package.) Remove the old wallplate only after all wires are labeled. CT51/CT55 1. Stop now and call 1-800-468-1502 for advice. Do not let...3. Be careful not to let loose wires fall into the wall opening ! Stop now and call 1-800-468-1502 for advice. CT50 Series • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify wire types. As you may have purchased the wrong replacement...
Owner's Manual
Page 4
Restore power at the heating/cooling system, or at the fuse/circuit-breaker panel. Tab 69-2040EFS-01 4 M23 M23795 M23796 CT50 Series • Owner's Manual Set fan operation switch (CT51/CT55) Move the switch to the proper setting for your system: F: For gas or oil heating systems, leave the fan ... the G terminal.) Set heat anticipator (select models) Move the adjustment arrow to control the fan in this factory-set position (for systems that allow the thermostat to the proper setting for heat).
Restore power at the heating/cooling system, or at the fuse/circuit-breaker panel. Tab 69-2040EFS-01 4 M23 M23795 M23796 CT50 Series • Owner's Manual Set fan operation switch (CT51/CT55) Move the switch to the proper setting for your system: F: For gas or oil heating systems, leave the fan ... the G terminal.) Set heat anticipator (select models) Move the adjustment arrow to control the fan in this factory-set position (for systems that allow the thermostat to the proper setting for heat).