Owner's Manual
Page 1
Is there a sealed tube containing mercury? Copyright © 2009 Honeywell International Inc. All rights reserved. Remove cover and thermostat, but leave wallplate with wires attached. MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat Before you begin, make sure you have: • No. 2 Phillips...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) ...
Is there a sealed tube containing mercury? Copyright © 2009 Honeywell International Inc. All rights reserved. Remove cover and thermostat, but leave wallplate with wires attached. MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat Before you begin, make sure you have: • No. 2 Phillips...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) ...
Owner's Manual
Page 2
...fall into wall opening . 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. M23789 69-2040EFS-01 2 M23790 CT50 Series • Owner...screwdriver to identify wire types. Be careful not to let loose wires fall into the wall opening ! For CT50/CT53/CT54: If your thermostat package.) Remove the old wallplate only after all wires are labeled. Mark positions of both screw holes. As you disconnect each wire. ...
...fall into wall opening . 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. M23789 69-2040EFS-01 2 M23790 CT50 Series • Owner...screwdriver to identify wire types. Be careful not to let loose wires fall into the wall opening ! For CT50/CT53/CT54: If your thermostat package.) Remove the old wallplate only after all wires are labeled. Mark positions of both screw holes. As you disconnect each wire. ...
Owner's Manual
Page 3
... 2. M23791 Connect wires 1. Match each labeled wire with electrical tape and do not match letters on terminal. 2. Pull wires through thermostat base and insert screws. Use a screwdriver to both R and Rc terminals, remove the metal jumper. [2] Do not connect both...until flush with electrical tape. 3 69-2040EFS-01 English: Page 1 • Français : Page 6 • Español: Página 11 Mount thermostat base 1. Existing wires Connect to tap anchors into the wall opening. Use hammer to : R • RH • 4 • V Terminal "R" [1] Rc Terminal...
... 2. M23791 Connect wires 1. Match each labeled wire with electrical tape and do not match letters on terminal. 2. Pull wires through thermostat base and insert screws. Use a screwdriver to both R and Rc terminals, remove the metal jumper. [2] Do not connect both...until flush with electrical tape. 3 69-2040EFS-01 English: Page 1 • Français : Page 6 • Español: Página 11 Mount thermostat base 1. Existing wires Connect to tap anchors into the wall opening. Use hammer to : R • RH • 4 • V Terminal "R" [1] Rc Terminal...
Owner's Manual
Page 4
... Warm air (high efficiency) Warm air (standard) Electric heat Setting 1.2 0.8 0.8 0.4 0.3 Finish installation 1. E: Change the switch to this factory-set position (for systems that allow the thermostat to control the fan in a call for heat, if a fan wire is connected to the G terminal.) Set heat anticipator (select models) Move the adjustment arrow...
... Warm air (high efficiency) Warm air (standard) Electric heat Setting 1.2 0.8 0.8 0.4 0.3 Finish installation 1. E: Change the switch to this factory-set position (for systems that allow the thermostat to control the fan in a call for heat, if a fan wire is connected to the G terminal.) Set heat anticipator (select models) Move the adjustment arrow...