Owner's Manual
Page 1
... so, see mercury notice below. select models; All rights reserved. Remove cover and thermostat, but leave wallplate with wires attached. Leave wallplate in place. Patents pending. Copyright © 2009 Honeywell International Inc. for plaster) TURN OFF POWER at heating/cooling system (or fuse/circuit-breaker panel). Old thermostat Cover M23786 ® U.S. Owner's Manual English: Page 1 Mode d'emploi Français : Page 6 Manual de Uso Español: Pá...
... so, see mercury notice below. select models; All rights reserved. Remove cover and thermostat, but leave wallplate with wires attached. Leave wallplate in place. Patents pending. Copyright © 2009 Honeywell International Inc. for plaster) TURN OFF POWER at heating/cooling system (or fuse/circuit-breaker panel). Old thermostat Cover M23786 ® U.S. Owner's Manual English: Page 1 Mode d'emploi Français : Page 6 Manual de Uso Español: Pá...
Owner's Manual
Page 2
... position CT50/CT53/CT54 For CT51/CT55: If your old thermostat has 3 or more wires (not counting terminals C or C1), you disconnect each wire. M23789 69-2040EFS-01 2 M23790 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 thermostat. Be careful not to let loose wires fall into the wall opening !
... position CT50/CT53/CT54 For CT51/CT55: If your old thermostat has 3 or more wires (not counting terminals C or C1), you disconnect each wire. M23789 69-2040EFS-01 2 M23790 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 thermostat. Be careful not to let loose wires fall into the wall opening !
Owner's Manual
Page 3
English: Page 1 • Français : Page 6 • Español: Página 11 Mount thermostat base 1. M23791 Connect wires 1. Labels don't match? Connect only the O wire. Use a screwdriver to both R and Rc terminals, remove the metal jumper. [2] Do not connect both O and B if you have a heat pump. If labels do not use. [3] Do not use [3] CT50/CT53/CT54 Wiring CT50/CT53/CT54 • 2-wire heat-only system: Connect one...
English: Page 1 • Français : Page 6 • Español: Página 11 Mount thermostat base 1. M23791 Connect wires 1. Labels don't match? Connect only the O wire. Use a screwdriver to both R and Rc terminals, remove the metal jumper. [2] Do not connect both O and B if you have a heat pump. If labels do not use. [3] Do not use [3] CT50/CT53/CT54 Wiring CT50/CT53/CT54 • 2-wire heat-only system: Connect one...
Owner's Manual
Page 4
... this factory-set position (for systems that control the fan in a call for heat, if a fan wire is for systems that allow the thermostat to the proper setting for heat). 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 connected to the G terminal.) Set heat anticipator (select models) Move the adjustment...
... this factory-set position (for systems that control the fan in a call for heat, if a fan wire is for systems that allow the thermostat to the proper setting for heat). 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 connected to the G terminal.) Set heat anticipator (select models) Move the adjustment...
Owner's Manual
Page 5
... by Honeywell that the defect or malfunction was in the workmanship or materials, under normal use and service, for a period of one (1) year from state to set desired indoor temperature. If you have other dated proof of sale or other rights which you . System switch (select models) • Heat: Controls the heating system. • Off: All systems are off. • Cool: Controls the cooling...
... by Honeywell that the defect or malfunction was in the workmanship or materials, under normal use and service, for a period of one (1) year from state to set desired indoor temperature. If you have other dated proof of sale or other rights which you . System switch (select models) • Heat: Controls the heating system. • Off: All systems are off. • Cool: Controls the cooling...
Owner's Manual
Page 16
... sin cargo a atención al cliente de Honeywell 1-800-468-1502 Automation and Control Solutions Honeywell International Inc. Registered Trademark. © 2009 Honeywell International Inc. 69-2040EFS-01 M.S. CT50 Series • Owner's Manual Need Help? Pour obtenir de l'aide concernant le produit, veuillez consulter le site Web http://DIYthermostats.honeywell.com ou vous adresser aux Services à la clientèle de...
... sin cargo a atención al cliente de Honeywell 1-800-468-1502 Automation and Control Solutions Honeywell International Inc. Registered Trademark. © 2009 Honeywell International Inc. 69-2040EFS-01 M.S. CT50 Series • Owner's Manual Need Help? Pour obtenir de l'aide concernant le produit, veuillez consulter le site Web http://DIYthermostats.honeywell.com ou vous adresser aux Services à la clientèle de...
