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Honeywell CT8602 Owner's Manual

Owner's manual
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Seven Day
Programmable Heat and/or Cool
Low Voltage (20 to 30 Vac) Thermostat and Wallplate
Model CT8602
Para obtener un documento con las instrucciones en español, por favor visite
nuestro sitio de web a: www.honeywell.com/yourhome.
Pour obtenir des notices techniques en français, veuillez consulter notre site
web: www.honeywell.com/yourhome.

Table of Contents

Step 1. Prepare for Installation ...............................................................................................................................................
Step 2. Remove Old Thermostat ............................................................................................................................................
Step 3. Mount Thermostat Wallplate ......................................................................................................................................
Step 4. Wire Wallplate Terminals ...........................................................................................................................................
Step 5. Install the Batteries ....................................................................................................................................................
Step 6. Set Fan Operation Switch ..........................................................................................................................................
Step 7. Mount the Thermostat ............................................................................................................................................... 10
Step 8. Customize Your Thermostat ...................................................................................................................................... 10
Step 9. Set the Clock ............................................................................................................................................................. 14
Step 10. Programming ........................................................................................................................................................... 14
Step 11. Operating Your Thermostat ...................................................................................................................................... 17
Step 12. Set the Fan and System Switches ........................................................................................................................... 19
If You Have a Problem ........................................................................................................................................................... 20
Wiring Diagrams .................................................................................................................................................................... 22
® U.S. Registered Trademark
Copyright © 2004 Honeywell International Inc.
All Rights Reserved
Honeywell CT8602
PROGRAMMABLE THERMOSTAT
OWNER'S GUIDE
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69-1532-2

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  Summary of Contents for Honeywell CT8602

  • Page 1: Table Of Contents

    Low Voltage (20 to 30 Vac) Thermostat and Wallplate Model CT8602 Para obtener un documento con las instrucciones en español, por favor visite nuestro sitio de web a: www.honeywell.com/yourhome. Pour obtenir des notices techniques en français, veuillez consulter notre site web: www.honeywell.com/yourhome.
  • Page 2 Total comfort temperature management with Smart Response™ Technology Congratulations! You made a smart choice by purchasing your new Honeywell thermostat; the smart thermostat that: • Keeps you comfortable by automatically calculating exactly when the furnace or air conditioning should go on to have the house at the desired comfort temperature by the time you wake up or return home.
  • Page 3 INCREASE TEMPERATURE SET RETURN TIMES SET LEAVE TIMES SET WAKE TIMES INCREASE TIME SETTING SETTING OR SCROLL AND SETPOINTS AND SETPOINTS AND SETPOINTS OR SCROLL FORWARD FORWARD THROUGH THROUGH INSTALLER SETUP INSTALLER SETUP OPTIONS AND SYSTEM TEST DECREASE TEMPERATURE SET CURRENT SETTING OR SCROLL DAY AND TIME BACKWARD THROUGH...
  • Page 4 SHOWS WHEN THERMOSTAT IS IN THE PROGRAMMING MODE DISPLAYS EITHER CURRENT TIME OF DAY OR PROGRAM TIMES SHOWS THERMOSTAT IS PROCESSING INFORMATION SHOWS TEMPERATURE SETTING AND WAITING TO CALL FOR CHANGED FOR THIS PROGRAM PERIOD HEAT OR COOL SHOWS THE TEMPERATURE SHOWS SMART DISPLAYED IS THE CURRENT RESPONSE...
  • Page 5: Step 1. Prepare For Installation

    STEP 1. PREPARE FOR INSTALLATION ! Check the contents of your thermostat package to be sure all items are included. Package Contents • Thermostat • Wallplate • Owner’s Guide • Wiring labels • Screws and anchors ! Locate the required tools to install your thermostat. Tools Required •...
  • Page 6: Step 3. Mount Thermostat Wallplate

    Replacing a Clock Thermostat that has C or C1 Clock Terminals When replacing a Honeywell Chronotherm® Thermostat, you may find one or two wires going to the C or C1 clock terminals on the Chronotherm wiring wallplate. Do not allow them to touch, or you can damage the transformer.
  • Page 7: Step 4. Wire Wallplate Terminals

    STEP 4. WIRE WALLPLATE TERMINALS IMPORTANT All wiring must comply with local codes and ordinances. If unsure about household wiring procedures, call your local heating/air-conditioning contractor. Refer to the labels you placed on the wires when you removed the old thermostat (see illustration). ! Match the letter of old thermostat wire with the corresponding terminal letter on new thermostat.
  • Page 8: Step 5. Install The Batteries

    Table 1. Terminal Designations on Old and New Thermostats. Terminal on Old Thermostat Connect To Description Power R, RH , 4, V Power for cooling Rc, R W, W Heat Y, Y Cooling G, F Changeover in cool. (Single stage heat pump only). Changeover in heat.
  • Page 9: Step 6. Set Fan Operation Switch

    ! When the batteries are running low, a REPL BAT message flashes for one to two months before the batteries run out completely. Replace the batteries as soon as possible once the message flashes. IMPORTANT Although the thermostat has a low battery indicator, replace the batteries once per year to prevent leakage and to prevent the ther- mostat and heating/cooling system from shutting down due to lack of battery power in the thermostat.
  • Page 10: Step 7. Mount The Thermostat

    OF THERMOSTAT TO LATCH. AND WALLPLATE. M12703A STEP 8. CUSTOMIZE YOUR THERMOSTAT Your Honeywell CT8602 Thermostat comes preset to the most commonly used settings. The settings are: • Gas or oil forced air furnace. • Smart Response Technology on. •...
  • Page 11 System Type (Feature Number 4) System type options are: — 1 = Gravity or steam system. — 3 = Hot water, high efficiency furnace (90% or better), or single stage heat pump. — 6 = Gas or oil forced air furnace (preset). FEATURE OPTION —...
  • Page 12 Time Format (Feature Number 16) Time format options are: — 0 = 12-hour clock (preset). — 1 = 24-hour clock. M18753 To change time format: ! Press once. ! Press Time to move to next feature or to return to main display. Program Heating Temperature Range Stops (Feature Number 34) Temperature range options are:...
  • Page 13 Furnace Air Filter Timer (Feature No. 43) Filter timer options: 0 = off 1 = 30 days 2 = 90 days (preset) M19600 3 = 180 days 4 = 365 days To change your filter timer: ! Press until the display shows the desired number of days. ! Press Time to move to next feature or to return to main display.
  • Page 14: Step 9. Set The Clock

    STEP 9. SET THE CLOCK Set Current Day and Time NOTE: On initial power-up, the screen flashes 1:00 pm until you press a key. Set Curent ! Press Day/Time ! Press until screen shows current day. Set Curent ! Press Time until current time shows.
  • Page 15 — Table 2 shows the default temperature settings. Table 2. Default Temperature Settings. Period Time Heating Temperature Cooling Temperature Wake 6:00 AM 70°F/21°C 78°F/25.5°C Leave 8:00 AM 62°F/16.5°C 85°F/29.5°C Return 6:00 PM 70°F/21°C 78°F/25.5°C Sleep 10:00 PM 62°F/16.5°C 82°F/28°C Your heating setpoints cannot be higher than 90°F (32°C) or lower than 40°F (4.5°C). Your cooling setpoints cannot be higher than 99°F (37°C) or lower than 45°F (7°C).
  • Page 16 ! Press until the display shows the desired temperature setpoint. ! Press and repeat these steps for each program period. The First Day is now Leave Return Sleep programmed. ! Repeat each step in Program the First Day for the rest of the week. NOTE: After the first day is programmed, you can copy that day to any other day using procedure in Copy a Day.
  • Page 17: Step 11. Operating Your Thermostat

    Clear a Program Period NOTE: Wake cannot be cleared. ! Press , or for the program period you want to clear. Leave Return Sleep ! Press until the desired day displays. ! Press and hold , or for approximately three seconds until time and temperature clear. Leave Return Sleep...
  • Page 18 Change the Temperature Setting Until a Designated Day and Period (Vacation Hold) ! Press twice. Hold Temp ! Press until display shows desired temperature setpoint. ! Press Time until the desired number of days that you will be away (1 through 255) is displayed. ! Press to select the program period when you want the program to restart.
  • Page 19: Step 12. Set The Fan And System Switches

    For complete instructions on replacing or cleaning your furnace filter, humidifier pad or UV lamp, see the product owner’s manuals. Contact your local contractor or visit www.honeywell.com/yourhome. STEP 12. SET THE FAN AND SYSTEM SWITCHES First set Fan Fan On: The fan runs continuously. Use for improved air Auto switch.
  • Page 20: If You Have A Problem

    IF YOU HAVE A PROBLEM Table 3. Solution Guide. If... Then… Display does not appear. • Make sure the batteries are fresh and installed correctly. • Make sure the thermostat is mounted and latched on the wallplate. Mount and latch the thermostat on the wallplate if it is not. Temperature settings will not change •...
  • Page 21 Wait until Replace Battery indicator is illuminated and replace batteries. • Replace batteries now. Toll-Free Customer Assistance Please read and follow the instructions for this thermostat. If you have questions about this thermostat, visit our web site at www.honeywell.com/yourhome, or call Honeywell Customer Care at 1-800-468-1502. 69-1532—2...
  • Page 22: Wiring Diagrams

    WIRING DIAGRAMS 4-WIRE HEAT/COOL 2-WIRE HEAT-ONLY (JUMPER INTACT) (JUMPER INTACT) THERMOSTAT THERMOSTAT RC O W Y RC O W Y HEATING HEATING COOLING RELAY OR RELAY OR CONTACTOR RELAY VALVE COIL VALVE COIL COIL 1 POWER SUPPLY. PROVIDE 1 POWER SUPPLY. DISCONNECT MEANS AND PROVIDE DISCONNECT MEANS OVERLOAD PROTECTION AS REQUIRED.
  • Page 23 5-WIRE HEAT/COOL WITH DAMPER 5-WIRE HEAT/COOL (JUMPER INTACT) (JUMPER REMOVED) THERMOSTAT THERMOSTAT RC O W Y RC O W Y HEAT HEAT COMPRESSOR DAMPER RELAY CONTACTOR HEATING COOLING RELAY OR CONTACTOR RELAY VALVE COIL COIL COOL DAMPER RELAY POWER SUPPLY. PROVIDE DISCONNECT MEANS AND 1 POWER SUPPLY.
  • Page 24 Scarborough, Ontario M1V 4Z9 This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer.