Honeywell Thermostat CT2800 User Manual

CT2800 Programmable Thermostat AND PROGRAMMING INSTRUCTIONS to the world of comfort and energy savings with your Honeywell Programmable Thermostat Your new thermostat automatically control the temperature in your home keeping comfortable while saving energy 5 day 2 day Heat and or Cool Voltage 20 to 30 Vac and Mounting Plate CT2800 of Contents 12 18 Asked Questions 22 Assistance 23 Warranty 24 U S Registered Trademark 2003 Honeywell International Inc Rights Reserved NOTICE you are removing an old thermostat that contains mercury in a sealed tube 1 do not place the old thermostat in the trash Contact your local waste authority for instructions regarding recycling and the proper of the old thermostat Installation You Have Correct Thermostat sure that the CT2800 is the correct thermostat for your heating cooling system Read the compatibility chart to determine which system you have If your system is not compatible with the CT2800 the table recommends alternate Honeywell model If you are unsure what type of thermostat is right for your system visit us on the Web at or call Honeywell Customer Care at 1 800 468 1502 1 System CT2800 Alternate Model stage systems that include warm air furnaces and hot water Baseboard heating strips located just above the floor usually 120 to 240 for 240 System CT2800 Alternate Model steam boiler with radiator heat Pump and cooling are produced from the same outdoor unit compressor with auxiliary or backup heat Heat Pump and cooling are produced from the same outdoor unit compressor with or backup heat Conventional heating or cooling system with more than one stage Step 1 Prepare for Installation Carefully unpack your new thermostat Save your receipt and make sure you have the following parts your Thermostat and mounting plate Screws and anchors and Programming Instructions Gather the needed tools and supplies listed below Tools and Supplies Two AA alkaline batteries Honeywell recommends Energizer Screwdriver Hand or power drill with 3 16 inch or 7 32 inch drill bit Pencil Tools Wire cutter stripper or sharp knife Electrical tape Make sure that your heating and cooling systems are working properly If there is a problem with either system a heating air conditioning contractor problem may persist after you install the new thermostat avoid damaging the compressor in the air conditioner do not operate the cooling system when the tem outdoors is below 50 10 Step 2 Remove Old Thermostat 2 3 4 THROUGH OPENING Turn off power to the heating cooling system either at the furnace or the fuse circuit breaker panel Remove the cover of your old thermostat Fig 2 Unscrew and remove the old thermostat mounting plate from the but do not disconnect the wires old thermostat wiring If wiring meets any of the following see special wiring instructions section after Step 7 The old thermostat is a clock thermostat with wires attached to C or C1 terminals The old thermostat has six or more wires excluding wires to C or C1 terminals The old thermostat has three wires There are five wires connected to the old thermostat There are extra wires that are not connected to the old Using enclosed labels mark wires with letter of terminal it is attached on the old thermostat Fig 3 Do not label using colors If labels not match letters on old thermostat terminals see wiring cross ref table in Special Wiring Instructions section Disconnect the wires from the old thermostat and wrap the wires a pencil to keep them from falling back into the wall if your old thermostat contains mercury you recycle it See Mercury Notice for more recycling Check your progress wall should now look like Fig 4 3 Install Mounting Plate 5 6 Separate the mounting plate from the thermostat using a coin as in Fig 5 Position the mounting plate on the wall Be sure the mounting plate is against the wall and none of the wires are trapped behind it Level the mounting plate and use a pencil to mark the center of the plate screw holes Remove the mounting plate and drill holes at the locations marked For drywall drill two 3 16 inch holes For plaster or wood drill two 7 32 inch holes installing in drywall gently tap the anchors provided into the drilled until they are flush with the wall Reposition the mounting plate over the holes pull the wires through wiring opening and loosely insert the mounting screws into each the drilled holes or anchors Fig 6 Make sure the mounting plate is level and tighten the mounting 7 Check your progress mounting plate is now mounted on the wall and should look like 7 4 Set Thermostat for Your Type of Heating System BACK F C ON OFF ON AIR WATER OR EFFICIENCY SWITCH SWITCH ON ON OFF 2 ON ON 2 OFF Y G SWITCH Y G R R C C C 8 your thermostat cor for your type of heating allows it to maintain temperature control swings in the tem of the room and run the fan Use the FUEL SWITCH the back of the thermostat set your new thermostat the type of fuel that your system uses F or oil or E This setting enables fan operation Use DIP switches 1 and 2 the back of the thermostat set your new thermostat your type of heating sys See the Heating System on the next page to find correct settings These DIP switches factory set for a warm air or oil heating system The thermostat is set to display the temperature in degrees Fahrenheit If you want to display the temperature degrees Celsius turn DIP Switch 3 to Off position You can install the batteries and program your thermostat now or you can wait until the thermostat is mounted on wall To install the batteries see Step 7 To program the thermostat see the Programming section System Table of System air gas or oil heating system with an efficiency rating under 90 furnace efficiency rating should be on the furnace furnace such as a 90 or greater AFUE Average Fuel Efficiency unit water boiler furnace 5 Wire Thermostat Terminals 9 Switches and 2 Switch factory setting 2 2 2 2 Hold thermostat as shown in Fig 9 Using the labels on the wires match letter of your old thermostat wire