Honeywell CT2800- Manual

Page 2 - MERCURY NOTICE; Installation; INSTALLATION; Verify You Have Correct Thermostat

69-1638—1 2 MERCURY NOTICE If you are removing an old thermostat that contains mercury in a sealed tube (Fig. 1), do not place the old thermostat in the trash. Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old thermostat. Installati...

Page 3 - Step 1. Prepare for Installation

3 69-1638—1 Step 1. Prepare for Installation 1. Carefully unpack your new thermostat. Save your receipt and make sure you have the following parts:• Thermostat and mounting plate • Labels • Screws and anchors • Installation and Programming Instructions 2. Gather the needed tools and supplies listed ...

Page 4 - Step 2. Remove Old Thermostat; Check your progress

69-1638—1 4 Step 2. Remove Old Thermostat Fig. 2. a. Turn off power to the heating/cooling system, either at the furnace or at the fuse/circuit breaker panel. b. Remove the cover of your old thermostat (Fig. 2). c. Unscrew and remove the old thermostat’s mounting plate from the wall, but do not disc...

Page 5 - Step 3. Install Mounting Plate

5 69-1638—1 Step 3. Install Mounting Plate Fig. 5. a. Separate the mounting plate from the thermostat using a coin, as shown in Fig 5. b. Position the mounting plate on the wall. Be sure the mounting plate is flush against the wall and none of the wires are trapped behind it. c. Level the mounting p...

Page 6 - Step 4. Set Thermostat for Your Type of Heating System; W Y G

69-1638—1 6 Step 4. Set Thermostat for Your Type of Heating System IMPORTANT: Setting your thermostat cor-rectly for your type of heating system allows it to maintain accurate temperature control, minimize swings in the tem-perature of the room, and efficiently run the fan. a. Use the FUEL SWITCH on...

Page 7 - Type of System

7 69-1638—1 Heating System Table Step 5. Wire Thermostat Terminals Type of System DIP Switches 1 and 2 Fuel Switch Warm air, gas, or oil heating system with an efficiency rating under 90%. (The furnace efficiency rating should be on the furnace.) Use factory setting1–On; 2–On F High-efficiency furna...

Page 8 - Step 6. Mount Thermostat; top

69-1638—1 8 Step 6. Mount Thermostat Fig. 11. Fig. 12. e. Align the tabs at the top of the thermostat with the tabs at the top of the mounting plate (Fig. 11). f. Press the lower edge of the case to latch the bottom of the thermostat (Fig. 12) M20130 M20131

Page 9 - Clock thermostat with C or C1 terminals; turned off

9 69-1638—1 Step 7. Install the batteries Special Wiring Instructions Clock thermostat with C or C1 terminals A clock thermostat has one or two extra wires attached to the C or C1 terminals that allow the clock to operate. These wires are not used during the installation of your new CT2800 Thermosta...

Page 10 - Six or more wires; will; Three thermostat wires; NOT; Wires that are not connected to old thermostat

69-1638—1 10 Six or more wires If your old thermostat has six or more wires (excluding clock wires attached to the C or C1 terminals), your heating/cooling system is most likely a variation of a heat pump or multistage system. Your CT2800 Thermostat will NOT work with such systems and should be retu...

Page 12 - PROGRAMMING; Faceplate Illustration and Description; Descriptions; System; Temp; Set

69-1638—1 12 PROGRAMMING Faceplate Illustration and Description Descriptions Fig. 16. 1 Fan switch–Selects automatic fan operation or fan on. 2 Set Schedule–Puts the thermostat into programming mode. 3 Set Clock/Day–Sets the clock and day. 4 Time Ahead and Back–Sets the time ahead and back. 5 Progra...

Page 13 - Time

13 69-1638—1 Step 1. Set Current Time and Day Step 2. Learn About Programming Features Your CT2800 Thermostat allows you to program schedules for both a heating season and a cooling season. • During the heating season, you will want to set the normal room temperature higher and the energy-saving tem...

Page 14 - Programming Tips; Program Period

69-1638—1 14 Programming Tips • You do not need to program times and temperatures for all program periods.If you decide not to program your thermostat, it automatically controls heating at 68 ° F (20 ° C), and cooling at 78 ° F (26 ° C), 24 hours a day. If you decide not to program weekend schedules...

Page 15 - Step 3. Program Heating Schedule

15 69-1638—1 Step 3. Program Heating Schedule a. Write in the times and temperatures that you want to program for your heating schedule. Heating Schedule Program Period WAKE LEAVE RETURN SLEEP Suggested Settings Time 6:00 AM 8:00 AM 6:00 PM 10:00 PM Temp 70°F (21°C) 62°F (16.5°C) 70°F (21°C) 62°F (1...

Page 17 - Step 4. Program Cooling Schedule; Verify that your heating system works

17 69-1638—1 Step 4. Program Cooling Schedule a. Write in the times and temperatures you want to program for your cooling schedule. b. Set the System switch to COOL.c. Repeat steps 3c. through 3k. to program the weekday and weekend cooling schedule. Step 5. Check System Verify that your heating syst...

Page 18 - OPERATION; Change Clock for Daylight/Standard Time

69-1638—1 18 OPERATION Change Clock for Daylight/Standard Time a. Press once. The time is displayed. b. Press and hold Time until the correct time is displayed. c. Press once. The current time and day and current temperature display. d. Set the System switch to Cool, and the Fan switch to Auto.e. Pr...

Page 19 - Switch

19 69-1638—1 Set Fan and System Switches The switches on the bottom of the thermostat faceplate control the operation of your fan and the heating and cooling system. Set the Fan switch first and then set the System switch. Replace Batteries As the batteries run low, your thermostat shows the followi...

Page 20 - Override program settings; Change the temperature temporarily

69-1638—1 20 d. Install new batteries. Make sure that positive and negative terminals are oriented as marked inside battery case.e. Close the battery door and set the System switch to HEAT or COOL. NOTE: If “bAt Lo” continues to display after replacing the batteries, set System switch to OFF, insert...

Page 21 - Hold a temperature indefinitely; Check the current programmed temperature

21 69-1638—1 Hold a temperature indefinitely Use the Hold Temp feature when you want to maintain a constant temperature indefinitely, such as when you go on vacation. a. Press . “HLd” is displayed (Fig. 28). b. Press Temp until the desired temperature is dis- played. NOTE: To cancel the hold, press ...

Page 22 - FREQUENTLY ASKED QUESTIONS; Change a program permanently

69-1638—1 22 FREQUENTLY ASKED QUESTIONS b. Press simultaneously. A blank program schedule is displayed and the program is canceled (Fig. 31). Fig. 31. Change a program permanently Follow steps for programming heating schedule or programming cooling schedule. If... Then... Display does not come on • ...

Page 23 - CUSTOMER ASSISTANCE

23 69-1638—1 CUSTOMER ASSISTANCE Visit us on the Web at www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502. Before you call, please have the following information available: — Thermostat model number and serial code (located under the battery cover) — Type of heating/coolin...

Page 24 - Automation and Control Solutions; LIMITED WARRANTY

69-1638—1 J.S. Rev. 10-03 Printed in U.S.A. www.honeywell.com/yourhome Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, OntarioM1V 4Z9 NOTICE: This equipment is a Class B d...

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