Owner's Manual
Page 1
...drywall, 7/32" for proper disposal instructions. 69-2040EFS-01 Patents pending. Copyright © 2009 Honeywell International Inc. select models; for garages or other outbuildings. Remove cover and thermostat, but leave wallplate with wires attached. Registered Trademark. 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...
...drywall, 7/32" for proper disposal instructions. 69-2040EFS-01 Patents pending. Copyright © 2009 Honeywell International Inc. select models; for garages or other outbuildings. Remove cover and thermostat, but leave wallplate with wires attached. Registered Trademark. 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...
Owner's Manual
Page 2
...wire, wrap it with the label matching the letter on your old thermostat. (Adhesive labels are labeled. Stop now and call 1-800-468-1502 for advice. Mark mounting position CT50/CT53/CT54 For CT51/CT55: If your old thermostat has 7 or more wires (not counting terminals C or C1), ...you may have purchased the wrong replacement thermostat. Level base if desired. 3. Do not let wires fall into wall ...
...wire, wrap it with the label matching the letter on your old thermostat. (Adhesive labels are labeled. Stop now and call 1-800-468-1502 for advice. Mark mounting position CT50/CT53/CT54 For CT51/CT55: If your old thermostat has 7 or more wires (not counting terminals C or C1), ...you may have purchased the wrong replacement thermostat. Level base if desired. 3. Do not let wires fall into wall ...
Owner's Manual
Page 3
... holes until flush with electrical tape. 3 69-2040EFS-01 Labels don't match? If labels do not use. [3] Do not use [3] CT50/CT53/CT54 Wiring CT50/CT53/CT54 • 2-wire heat-only system: Connect one wire to R terminal, one wire to loosen screw terminals, insert bare wires beneath...Do not connect both O and B if you have a heat pump. M23791 Connect wires 1. Pull wires through thermostat base and insert screws. Wrap bare end of wire with wall. 3. CT51/CT55 Wiring CT51/CT55 M23792 [1] If wires will be connected to tap anchors into the wall opening. Wrap B wire with same...
... holes until flush with electrical tape. 3 69-2040EFS-01 Labels don't match? If labels do not use. [3] Do not use [3] CT50/CT53/CT54 Wiring CT50/CT53/CT54 • 2-wire heat-only system: Connect one wire to R terminal, one wire to loosen screw terminals, insert bare wires beneath...Do not connect both O and B if you have a heat pump. M23791 Connect wires 1. Pull wires through thermostat base and insert screws. Wrap bare end of wire with wall. 3. CT51/CT55 Wiring CT51/CT55 M23792 [1] If wires will be connected to tap anchors into the wall opening. Wrap B wire with same...
Owner's Manual
Page 4
... slots on the cover with tabs on the sides of the base, then push gently until the cover snaps into place. 2. 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 operation... switch in this setting for heat pump or electric heat systems. (This setting is for systems that allow the thermostat to control the fan in...
... slots on the cover with tabs on the sides of the base, then push gently until the cover snaps into place. 2. 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 operation... switch in this setting for heat pump or electric heat systems. (This setting is for systems that allow the thermostat to control the fan in...