Owner's Manual
Page 1
Registered Trademark Copyright © 2003 Honeywell International Inc. Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to the world of Contents Installation ...2 Programming......24 ® U.S. Your new thermostat will automatically control the temperature in your new Honeywell Programmable Thermostat. All Rights Reserved 69-1638-1 CT2800 Programmable Thermostat INSTALLATION AND PROGRAMMING INSTRUCTIONS Welcome to 30 Vac) Thermostat and Mounting Plate Model CT2800 Table of comfort and energy savings with your home, keeping you comfortable while saving...
Registered Trademark Copyright © 2003 Honeywell International Inc. Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to the world of Contents Installation ...2 Programming......24 ® U.S. Your new thermostat will automatically control the temperature in your new Honeywell Programmable Thermostat. All Rights Reserved 69-1638-1 CT2800 Programmable Thermostat INSTALLATION AND PROGRAMMING INSTRUCTIONS Welcome to 30 Vac) Thermostat and Mounting Plate Model CT2800 Table of comfort and energy savings with your home, keeping you comfortable while saving...
Owner's Manual
Page 2
... in the trash. MERCURY NOTICE If you are unsure what type of thermostat is right for your local waste management authority for instructions regarding recycling and the proper disposal of the old thermostat. If your heating/cooling system. Alternate Model Yes No CT1950 for your... to 240 volts. Contact your system, visit us on the Web at www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502. Compatible with the CT2800, the table recommends an alternate Honeywell model. Electric Baseboard Electric-powered heating strips located just above the floor, usually...
... in the trash. MERCURY NOTICE If you are unsure what type of thermostat is right for your local waste management authority for instructions regarding recycling and the proper disposal of the old thermostat. If your heating/cooling system. Alternate Model Yes No CT1950 for your... to 240 volts. Contact your system, visit us on the Web at www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502. Compatible with the CT2800, the table recommends an alternate Honeywell model. Electric Baseboard Electric-powered heating strips located just above the floor, usually...
Owner's Manual
Page 3
... compressor in the air conditioner, do not operate the cooling system when the temperature outdoors is a problem with CT2800? Save your contractor Step 1. Honeywell recommends Energizer® • Wire cutter/stripper or sharp knife. Multistage Conventional A heating or cooling system with... the following parts: • Thermostat and mounting plate • Labels • Screws and anchors • Installation and Programming Instructions 2. Heat Pump Heating and cooling are produced from the same outdoor unit (compressor) with radiator heat. Heating/Cooling System Steam...
... compressor in the air conditioner, do not operate the cooling system when the temperature outdoors is a problem with CT2800? Save your contractor Step 1. Honeywell recommends Energizer® • Wire cutter/stripper or sharp knife. Multistage Conventional A heating or cooling system with... the following parts: • Thermostat and mounting plate • Labels • Screws and anchors • Installation and Programming Instructions 2. Heat Pump Heating and cooling are produced from the same outdoor unit (compressor) with radiator heat. Heating/Cooling System Steam...
Owner's Manual
Page 4
.... M20133 ✓Check your old thermostat (Fig. 2). Fig. 3. e. Step 2. a. If wiring meets any of the following conditions, see wiring cross reference table in Special Wiring Instructions section. Remove Old Thermostat Fig. 2. Disconnect the wires from the wall, but do not match letters on the old thermostat (Fig. 3). Turn off power to...
.... M20133 ✓Check your old thermostat (Fig. 2). Fig. 3. e. Step 2. a. If wiring meets any of the following conditions, see wiring cross reference table in Special Wiring Instructions section. Remove Old Thermostat Fig. 2. Disconnect the wires from the wall, but do not match letters on the old thermostat (Fig. 3). Turn off power to...
Owner's Manual
Page 7
... thermostat. Loosen terminal screws and slip each wire beneath its matching terminal (Fig 10). d. END OF WIRE VISIBLE HERE M20126 7 69-1638-1 b. See Special Wiring Instructions section. Fig. 10. 5/16 in Fig. 9. Hold thermostat as a 90% or greater AFUE (Average Fuel Utilization Efficiency) unit Hot water boiler Electric furnace DIP Switches...
... thermostat. Loosen terminal screws and slip each wire beneath its matching terminal (Fig 10). d. END OF WIRE VISIBLE HERE M20126 7 69-1638-1 b. See Special Wiring Instructions section. Fig. 10. 5/16 in Fig. 9. Hold thermostat as a 90% or greater AFUE (Average Fuel Utilization Efficiency) unit Hot water boiler Electric furnace DIP Switches...
Owner's Manual
Page 9
... to touch. As you begin to operate. Place the wires where they do not allow the clock to program the thermostat. Honeywell recommends using electrical tape to the clock terminals marked C or C1. Using a coin, open the battery door as marked inside.... b. Replace the battery door. d. Install the batteries Fig. 13. d. e. See Programming section. f. c. Special Wiring Instructions Clock thermostat with the operation of your new CT2800 Thermostat and must be insulated from the digital display. ✓ Check your electrical circuit. c. These wires are not used during...
... to touch. As you begin to operate. Place the wires where they do not allow the clock to program the thermostat. Honeywell recommends using electrical tape to the clock terminals marked C or C1. Using a coin, open the battery door as marked inside.... b. Replace the battery door. d. Install the batteries Fig. 13. d. e. See Programming section. f. c. Special Wiring Instructions Clock thermostat with the operation of your new CT2800 Thermostat and must be insulated from the digital display. ✓ Check your electrical circuit. c. These wires are not used during...
