68 0164 T8600D. T8601D, And T8602D Chronotherm IV Deluxe Programmable Thermostats T8601D Manual
User Manual: CHRONOTHERM T8601D
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T8600D, T8601D and T8602D Chronotherm® IV Deluxe Programmable Thermostats PRODUCT DATA APPLICATION The T8600, T8601 and T8602 Chronotherm® IV Deluxe Programmable Thermostats provide electronic control of 24 Vac single-stage heating and cooling systems. T8600/T8601/T8602 FEATURES AND BENEFITS • Full seven-day program capability; different schedules and temperature setpoints may be selected for everyday to match the homeowner’s flexible schedule. • Copy key makes programming easier and faster for the installer and homeowner. • Daylight Savings Time (DST) key for quick change in and out of Daylight Savings Time. • Models available with programmable fan operation for added homeowner comfort. • Easy temporary temperature setpoint changes for current period, vacation hold (1 to 255 days) or indefinite hold adds to the homeowner comfort and energy savings. • Frequently used keys are located by the Liquid Crystal Display (LCD) for quick and easy access to information. • Attractive styling complements any decor to the homeowner’s delight. • Back lighting the large display makes the LCD very easy to read. ® U.S. Registered Trademark Copyright © 1997 Honeywell Inc. • • All Rights Reserved • Models available with outdoor temperature sensor capability for homeowner convenience. The sensor is also more accurate than a thermometer. • Configurable features allows one model to be used to replace many different models (less inventory, no longer need to carry separate models to get these features). — °F or °C temperature display; — Automatic or manual changeover; — Electric or conventional heat fan operation — Adjustable heating cycle rate. • Minimum off time for cooling compressors and heat pumps protects the equipment and extends the equipment life. • Easy installation, setup and system test saves installer time and increases productivity. • Self-test simplifies troubleshooting and saves time by overriding the time delays. • Adaptive Intelligent Recovery™ control brings the room temperature to temperature setpoint at the programmed time, maximizing comfort and energy savings. • Setpoints are permanently held in memory (no batteries used) and retained during power outages for increased installer and homeowner convenience. • Power stealing, hardwired and battery powered models available for virtually all equipment and application needs. • Universal Versaguard™ Thermostat guards available for added security. Contents Application ............................................................................. 1 T8600/T8601/T8602 Features and Benefits ......................... 1 Specifications ........................................................................ 2 Ordering Information ............................................................. 2 Installation ............................................................................. 4 Wiring .................................................................................... 4 Settings ................................................................................. 6 Installer Setup ....................................................................... 7 Installer Self-Test ................................................................. 10 Thermostat Information ....................................................... 11 Programming ....................................................................... 11 Operation ............................................................................ 16 Troubleshooting Guide ........................................................ 17 Cross Reference ................................................................. 19 Wiring Diagrams (Fig. 15-20) .............................................. 24 68-0164-1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS SPECIFICATIONS System Current Load Ratings: 6 VA maximum at 30 Vac, 50/60 Hz. IMPORTANT The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit might not exactly match the listed specifications. This product is tested and calibrated under closely controlled conditions, and some minor differences in performance can be expected if those conditions are changed. Output Relay Load Rating: See Table 2. Temperature: Ratings: Operating Ambient: 40°F to 110°F (4°C to 43°C). Shipping: -30°F to +150°F (-34°C to +65°C). Display Accuracy: ±1°F (±0.5°C). Thermostat Models Setpoint: Range: Heating: 40°F to 90°F (4.5°C to 32°C). Cooling: 45° F to 99°F (7°C to 35°C) Differential: 3°F (1.5°C). Default Settings: see Table 3. T8600, T8601 and T8602 Thermostats provide features listed in Table 1. Electrical Rating (Nominal Range): 24 Vac, 50/60 Hz. 20 to 30 Vac, 50/60 Hz. Minimum Stage Operation Time: Minimum Off (Heat and Cool ): factory setting 5 minutes; option 0 to 5 minutes. Batteries: Only T8602 models require batteries. Humidity Ratings: 5% to 90% RH, noncondensing. Loss of Power: The thermostat will maintain programmed times and temperatures for the life of the product. The clock and day information is retained for a minimum of thirty minutes. Clock Accuracy: +1 minute per month. Table 1. Thermostat Features. System System Selection Changeover Fan Selection Comments T8600 (powered by either the heating or cooling system) D Heat-Cool Automatic Heat-Off-Cool-Auto On-Auto System and fan selections are done by keyboard. T8601 (powered by common wire to supply power) D Heat-Cool Automatic Heat-Off-Cool-Auto On-Auto System and fan selections are done by keyboard. Heat-Off-Cool-Auto On-Auto System and fan selections are done by keyboard. T8602 (powered by batteries) D Heat-Cool Automatic ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Home and Building Control Sales Office (check white pages of your phone directory). 2. Home and Building Control Customer Logistics Honeywell Inc., 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A. 68-0164—1 2 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 2. Maximum Amps at 30 Vac. Relay Running (A) Inrush (A) Fan 0.5 2.5 Heat 1.5 3.5 Cool 1.5 7.5 Finish: Taupe color. Dimensions: See Fig. 1. Mounting Means: The thermostat mounts on a wallplate. The wallplate mounts horizontally on a wall or outlet box with two no. 6 x 32 screws (included). Table 3. Default Setpoints. Heat Setpoint Cool Setpoint Fan Setting 6:00 AM 70°F (21°C) 78°F (25.5°C) Auto Leave 8:00 AM 62°F (16.5°C) 85°F (29.5°C) Auto RECYCLING NOTICE Return 6:00 PM 70°F (21°C) 78°F (25.5°C) Auto If this control is replacing a control that contains mercury in a sealed tube, do not place your old control in the trash. Sleep 10:00 PM 62°F (16.5°C) 82°F (28°C) Auto Period Time Wake Accessories: C7089B Outdoor Temperature Sensors (69-1020). Universal Versaguard™ Thermostat guards. Contact your local waste management authority for instructions regarding recycling and the proper disposal of the old thermostat. 3-5/8 (92) 2-3/4 (70) 3/8 (10) 1-13/16 (46) 3-1/2 (89) 1-9/16 (40) 6-1/16 (154) 1/2 (13) 3-3/4 (95) M10359 Fig. 1. Dimensions of thermostat in in. (mm). 3 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 1. Position and level the wallplate (for appearance only). The thermostat will function properly even when not level. 2. Use a pencil to mark the mounting holes. See Fig. 3. 3. Remove the wallplate from the wall and drill two 3/16 inch holes in the wall (if drywall) as marked. For firmer material such as plaster, drill two 7/32 inch holes. Gently tap anchors (provided) into the drilled holes until flush with the wall. 4. Position the wallplate over the holes, pulling wires through the wiring opening. 5. Loosely insert the mounting screws into the holes. 6. Tighten mounting screws. INSTALLATION When Installing this Product... 1. Read these instructions carefully. Failure to follow the instructions can damage the product or cause a hazardous condition. 2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application. 3. Installer must be a trained, experienced service technician. 4. After completing installation, use these instructions to check out the product operation. WIRING Location Install the thermostat about 5 ft (1.5m) above the floor in an area with good air circulation at average temperature. See Fig. 2. All wiring must comply with local electrical codes and ordinances. Follow equipment manufacturer wiring instructions when available. Refer to Fig. 15 through 20 for typical hookups. A letter code is located near each terminal for identification. Refer to Table 4 for terminal designations. Do not install the thermostat where it can be affected by: — drafts, or dead spots behind doors and in corners. — hot or cold air from ducts. — radiant heat from sun or appliances. — concealed pipes and chimneys. — unheated (uncooled) areas such as an outside wall behind the thermostat. CAUTION Disconnect power before wiring to prevent electrical shock or equipment damage. 1. Loosen the terminal screws on the wallplate and connect the system wires. See Fig. 4 Wallplate Installation The thermostat can be mounted horizontally on the wall or on a 2 in. x 4 in. wiring box. Position wallplate horizontally on the wall or on a 2 in. x 4 in. wiring box. YES NO NO 5 FEET [1.5 METERS] NO M10106 Fig. 2. Typical location of thermostat. 68-0164—1 4 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS WALL WIRES THROUGH WALL WALL ANCHORS (2) FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). FOR STRAIGHT INSERTION STRIP 5/16 IN. (8 MM). M4826 Fig. 4. Proper wiring technique. MOUNTING HOLES Mounting Thermostat Wallplate MOUNTING SCREWS The thermostat mounts on the wallplate after they are installed. 1. Engage tabs at the top of thermostat and wallplate. See Fig. 5. 2. Press lower edge of case to latch. M15044 Fig. 3. Mounting the wallplate. NOTE: To remove the thermostat from the wall, first pull out at the bottom of the thermostat; then remove the top. IMPORTANT Use 18 gauge, color-coded thermostat cable for proper wiring. 2. Securely tighten each terminal screw. 3. Push excess wire back into the hole. 4. Plug the hole with nonflammable insulation to prevent drafts from affecting the thermostat. Table 4. Terminal Designations and Descriptions. Standard Terminal Designations Alternate Terminal Designations Typical Connection Function Terminal Type B — Heating damper or changeover valve Output C Ba, C, X1, X2 Common Input 24V powered contact G F Fan relay Output 24V powered contact O R Cooling damper or changeover valve Output 24V powered contact OT, OT — Outdoor temperature sensor (C7089B) Input — R V 24V system or heating transformer Input — RC — 24V cooling transformer Input — W H1, R3 Heating relay Output 24V powered contact Y C1, M Compressor contactor Output 24V powered contact a Some OEM models label the terminal for transformer common B. 5 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS A. ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE. SETTINGS Using Thermostat Keys The thermostat keys are used to: • set current day and time, • program times and setpoints for heating and cooling, • temporarily override program temperatures, • display present setting, • configure Installer Setup, • check System Test, • display outdoor temperature (select models), • set the system operation, • set the fan operation. B. PRESS LOWER EDGE OF CASE TO LATCH. See Fig. 6 for the location of the keys. System and Fan Settings The system default setting is Heat and the fan default setting is Auto. Use the System and Fan keys to change the settings. See Fig. 7. The fan settings can be set for each program period individually. The system selection is for all the program periods. M15043 Fig. 5. Mounting thermostat on wallplate. SET WAKE TIMES AND SETPOINTS INCREASE TEMPERATURE SETTING OR SCROLL FORWARD THROUGH INSTALLER SETUP OPTIONS SET LEAVE TIMES AND SETPOINTS INCREASE TIME SETTING OR SCROLL FORWARD THROUGH INSTALLER SETUP AND SYSTEM TEST SET RETURN TIMES AND SETPOINTS DECREASE TEMPERATURE SETTING OR SCROLL BACKWARD THROUGH INSTALLER SETUP OPTIONS SET CURRENT DAY AND TIME DISPLAY INFORMATION SUCH AS PRESENT SETTINGS AND OUTDOOR TEMPERATURE RETURN TO NORMAL OPERATIONS ENTER INDEFINITE OR TIMED HOLD MODE Time Run Program Hold Temp SET CURRENT OR PROGRAM DAY Set Current Day/Time Set Program Leave Wake Heat/Cool Settings Day Daylight Time Return Sleep System Fan SET SLEEP TIMES AND SETPOINTS SELECT FAN OPERATION Copy SELECT SYSTEM OPERATION CHANGE BETWEEN DAYLIGHT SAVINGS AND STANDARD TIME CHANGE BETWEEN HEATING AND COOLING SETPOINTS COPY ONE PROGRAMMED DAY TO ANOTHER DAY DECREASE TIME SETTING OR SCROLL BACKWARD THROUGH INSTALLER SETUP AND SYSTEM TEST Fig. 6. Key locations and descriptions. 68-0164—1 6 M10405A T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS System settings control the thermostat operation as follows: Heat: The thermostat controls the heating. Off: Both the heating and cooling are off. Cool: The thermostat controls the cooling. Auto: The thermostat automatically changes between heating and cooling operation, depending on the indoor temperature. The Installer Setup is used to customize the thermostat to specific systems. Some of the options include temperature display, changeover and outdoor temperature display. Installer Setup numbers are listed in Table 6. The table includes all the configuration options and the factory-settings for the thermostat. A combination of key presses are required to use the Installer Setup feature. — To enter the Installer Setup, press and hold the Information i key with the increase ▲ and decrease ▼ keys until the first number is displayed. All display segments appear for approximately three seconds before the number is displayed. See Fig. 8 and 9. — To advance to the next Installer Setup, press the Time ▲ key. — To change a setting, use the increase ▲ or decrease ▼ key. — To scroll the Installer Setup numbers backwards, press the Time ▼ key. — To exit the Installer Setup, press Run Program. Fan settings control the system fan as follows: On: Fan operates continuously. Auto: Fan operates with equipment. Time Run Program Set Current Day/Time Hold Temp Day Set Program Wake Leave Daylight Time Return Sleep System Fan System Heat/Cool Settings Copy Fan Set Program Start Time Set Day/Time Temporary Setting Enrg Sav Hold for AM Em Ht Room PM Aux Ht %Humid Outdoor MonTueWedThuFriSatSun Heat Cool WakeLeaveReturnSleep In Recovery Auto Repl Batt System Fan DST On Auto Em Heat OffCool Auto Wait M15042 Fig. 7. Thermostat System and Fan key locations. M10345 NOTE: Always press the keys with your fingertip or similar blunt tool. Sharp instruments like a pen or pencil point can damage the keyboard. Fig. 8. Display of all the segments of the LCD. Temperature Settings Refer to Table 5 for the default program. If the daytime energy savings period is not used, press the period key (Leave or Return) until the time is blank. The fan setting feature is available on select thermostat models. See Programming Section for complete instructions on changing the program. Table 5. Default Program Settings. Heat Setpoint Cool Setpoint Fan Setting 6:00 AM 70°F (21°C) 78°F (25.5°C) Auto Leave 8:00 AM 62°F (16.5°C) 85°F (29.5°C) Auto Return 6:00 PM 70°F (21°C) 78°F (25.5°C) Auto Sleep 10:00 PM 62°F (16.5°C) 82°F (28°C) Auto Period Time Wake INSTALLER SETUP NUMBER DISPLAY (COLUMN 2 OF TABLE 6) FACTORY SETTING OR OTHER CHOICE DISPLAY (COLUMN 3 OR 5 OF TABLE 6) M10404 Fig. 9. Display of Installer Setup number and setting. CAUTION Heat pump and electric heat systems must be configured to 1 in Installer Setup number 2 to prevent equipment damage caused by the system running without the fan. IMPORTANT Only configurable numbers are shown on the device. Example: If thermostat does not have a system key, Installer Setup Number 12 will not be displayed. Review Table 6 factory-settings and mark any desired changes in the Actual Settings column. When Installer Setup is complete, review the settings to confirm that they match the system. INSTALLER SETUP NOTE: For most applications, the thermostat factorysettings will not need to be changed. Review the factory settings in Table 6 and if no changes are necessary, go to the Installer System Test section. 7 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 6. Thermostat Installer Setup Options. Select Installer Setup Number (Press Time ▲ key to change) Other Choices (Press ▲ or ▼ key to change) Factory-Setting Display Description Display — Description — Actual Setting Not used 1 — — — Fan operation a 2 0 Conventional 1 applications where equipment controls fan operation in heat mode Heat pump or electric heat applications where thermostat controls fan operation in heat mode Not used 3 — — — — Heating cycle rate 4 6 6—6 cph used for conventional heat 1, 3 or 9 1—1 cph used for radiant floor heat, gravity system 3—3 cph used for hot water systems or high efficiency furnaces 9—9 cph used for electric heat systems Not used 5 thru 11 — — — — System setting adjustment 12 1 Manual changeover 0 or 2 0—Auto changeover 2—Fixed auto changeover Adaptive Intelligent Recovery™ control 13 0 1 Adaptive Intelligent Recovery™ control is activated (system starts early so setpoint is reached by start of program period) Conventional recovery (system — starts recovery at programmed time) Degree temperature display 14 0 Temperature is displayed in °F 1 Temperature is displayed in °C Not used 15 — — — — Clock format 16 0 12-hour clock format 1 24-hour clock format Not used 17 and 18 — — — — Extended fan operation in heating a 19 0 No extended fan 1 operation after the call for heat ends Fan operation is extended 90 seconds after the call for heat ends. Extended fan operation in cooling 20 0 No extended fan 1 operation after the call for cool ends Fan operation is extended 90 seconds after the call for cool ends. Not used 21 thru 23 — — — — Outdoor temperature display (select models) 24 0 No outdoor temperature is displayed 1 Outdoor temperature is displayed. Needs a C7089B1000 Outdoor Sensor to operate Not used 25 thru 29 — — — — Deadband 30 3 Heating and cooling setpoints can be set no closer than 3°F (1.5°C) 4 thru 10 Heating and cooling setpoints can be set no closer than the chosen value: 4—4°F (2°C) 5—5°F (2.5°C) 6—6°F (3°C) 7—7°F (3.5°C) 8—8°F (4°C) 9—9°F (4.5°C) 10—10°F (5°C) — — — — — — a Number 2 must be set to 1 to extend fan operation. (continued) 68-0164—1 8 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 6. Thermostat Installer Setup Options (continued). Installer Setup Number (Press Time ▲ key to change) Select Not used 31 and 32 Other Choices (Press ▲ or ▼ key to change) Factory-Setting Display Description Display Description — — — — Minimum off time 33 for the compressor 5 5 minute minimum off time for the compressor 0 thru 4 Minimum number of minutes (0 thru 5) the compressor will be off between calls for the compressor Temperature range stops in heating 34 90 Highest setpoint heating can be set to 40 to 89 Temperature range (1°F increments) heating setpoint can be set to Temperature range stops in cooling 35 45 Lowest setpoint cooling can be set to 46 to 99 Temperature range (1°F increments) cooling setpoint can be set to Not used 36 — — — — Temperature display adjustment 37 0 No difference in 3 thru -3 displayed temperature and actual room temperature Actual Setting — — 1—Display adjusts to 1°F higher than actual room temperature 2—Display adjusts to 2°F higher than actual room temperature 3—Display adjusts to 3°F higher than actual room temperature -1—Display adjusts to 1°F lower than actual room temperature -2—Display adjusts to 2°F lower than actual room temperature -3—Display adjusts to 3°F lower than actual room temperature a Number 2 must be set to 1 to extend fan operation. IMPORTANT Review the settings to confirm that they match the system. Press Run Program to exit the Installer Setup. The thermostat has saved the Installer Setup changes and initiated a reset in order to operate with these new settings. Be sure to set the current day and time immediately. 2. Press Day until the current day is displayed. NOTE: Sun=Sunday, Mon=Monday, Tue=Tuesday, Wed=Wednesday, Thu=Thursday, Fri=Friday, Sat=Saturday. Set Day/Time PM Time Day Setting Current Day and Time Run Program Hold Temp Set Current Day/Time Wake Leave Heat/Cool Settings Day Daylight Time Set Program Return Sleep System Fan Tue Copy M10313 1. Press Set Current Day/Time. 3. Press Time ▲ or Time ▼ until the current time is displayed. NOTE: On initial power up or after an extended power loss, 1:00 pm flashes on the display until a key is pressed. NOTE: Tapping the Set Current Day/Time will change the time in one hour increments. Time Set Day/Time Set Day/Time AM PM Set Current Day/Time Time Run Program Hold Temp Set Current Day/Time Heat/Cool Settings Day Daylight Time Set Program Wake Leave Return Sleep System Fan Time Mon Run Program Hold Temp Copy Set Current Day/Time M10312 Wake Heat/Cool Settings Day Daylight Time Set Program Leave Return Sleep System Fan Tue Copy M10314 9 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: If the current time is Daylight Savings Time, press Daylight Time until DST is displayed. Set Program Start Time Set Day/Time Temporary Setting Enrg Sav Hold for AM Em Ht Room PM Aux Ht %Humid Outdoor Heat Cool MonTueWedThuFriSatSun Auto Repl Batt WakeLeaveReturnSleep In Recovery System Fan DST On Auto Em Heat OffCool Auto Wait Set Day/Time AM Daylight Time Time Run Program Hold Temp Set Current Day/Time Wake Leave Heat/Cool Settings Day Daylight Time Set Program Return Sleep System Fan Tue DST Copy M10315 M10345 4. Press Run Program. Fig. 10. Display of all the segments of the LCD. AM Run Program Time Run Program Hold Temp Set Current Day/Time Heat/Cool Settings Day Daylight Time Room Set Program Leave Wake Return Sleep System Fan Tue Wake System Heat Copy DST Fan Auto M10316 INSTALLER SYSTEM TEST TEST NUMBER M10257A Fig. 11. Display of test number. Use the Installer System Test to check the thermostat operation. Refer to Table 7 for a list of the available system tests. Table 7. Tests Available in Installer System Test. To start the system test: Test Number System Test Description CAUTION 10-19 Heating equipment can be turned on and off The minimum off time for compressors is bypassed during the Installer System Test. Equipment damage can occur if the compressor is cycled too quickly. 30-39 Cooling equipment can be turned on and off 40-49 Fan equipment can be turned on and off 60 0 to 60 19 Press and hold the increase ▲ and ▼ decrease keys, at the same time, until 10 appears. All segments of the display are displayed for three seconds before 10 appears. See Fig. 10 and 11. 70-79 Keyboard keys test Thermostat information including date code and software versions are displayed Refer to Table 8 for the directions and results of the specific tests. NOTE: Press Time ▲ to advance to the next test and Time ▼ to go to the previous test. Press Run Program to exit the system test. Table 8. Installer System Test Options. Key to Press Test Number Description Heating Equipment System Test Time ▲ 10 Enter heating equipment system test. ▲ 11 Heat comes on. When Installer Setup number 2 is 1, the system fan is also energized. ▼ 10 Heat and system fan turn off. Cooling Equipment System Test Time ▲ 30 Change from heating to cooling equipment system test. ▲ 31 Cool and system fan come on. ▼ 30 Cool and system fan turn off. Fan Equipment System Test Time ▲ 40 Change from cooling to fan equipment system test. ▲ 41 Fan comes on. ▼ 40 Fan turns off. Key Operation System Test Time ▲ 68-0164—1 60 2 Change from fan to key operation system test. 10 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: Press any key and the numbers will change on the display. Press Time ▼ to scroll backwards and Time ▲ to scroll forward. The Run Program, Key will not exit from this test. To exit, go to a different test and press Run Program. PROGRAMMING The keyboard is located behind the thermostat cover with three frequently used keys by the display. The thermostat display shows day, time, program period, temperature, system and fan operation selection. THERMOSTAT INFORMATION The thermostat can be set for four times and up to eight temperatures for each day of the week (28 independent time and 56 temperature settings). The ▲ and ▼ keys provide quick temporary temperature changes to increase comfort. The Hold Temp key provides energy efficient operation for extended periods of time. 1. Press the Time ▲ key to access the thermostat information. Before starting the programming procedure, use Table 9 to organize the program schedule. The factory preprogrammed time, temperature and fan settings are shown in brackets. If a daytime energy savings period is not used, press the period key (Leave or Return) until the time is blank. The fan setting feature is available on select thermostat models. M4934 2. Press the increase ▲ key to display the production date code. The first two large digits are the month and the third digit is the last digit of the year (Example: 027=February 1997). Setting the Current Day and Time IMPORTANT Always press the keys with your fingertip or similar blunt tool. Sharp instruments like pens and pencil points can damage the keyboard. 1. Press Set Current Day/Time. M10351 NOTE: On initial power up or after an extended power loss, 1:00 pm flashes on the display until a key is pressed. 3. Press the increase ▲ key again to display the software identification code. (Example: 02 = software ID code 2) Set Day/Time PM Set Current Day/Time Time Run Program Hold Temp Set Current Day/Time Daylight Time Set Program Wake Leave Heat/Cool Settings Day Return Sleep System Fan Mon Copy M10312 M4932A 2. Press Day until the current day is displayed. 4. Press the increase ▲ key again to display the software revision number (Example: 001=Revision number 1). NOTE: Sun = Sunday, Mon = Monday, Tue = Tuesday, Wed = Wednesday, Thu = Thursday, Fri = Friday, Sat = Saturday. Set Day/Time PM M10229 Time Day 5. Press the increase ▲ key again to display the EEPROM identification code. (Example: 314 = EEPROM ID 314) 6. Press the Run Program key to exit the system test. The Run Program Hold Temp Set Current Day/Time Wake Leave Heat/Cool Settings Day Daylight Time Set Program Return Sleep System Fan Tue Copy M10313 3. Press Time ▲ or Time ▼ until the current time is displayed. NOTE: Tapping the Set Current Day/Time will change the time in one hour increments. Time Set Day/Time M4933A AM Time Run Program system test times out after five minutes without any key presses. Hold Temp Set Current Day/Time Heat/Cool Settings Day Daylight Time Set Program Wake Leave Return Sleep System Fan Tue Copy M10314 11 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: If the current time is Daylight Savings Time, press Daylight Time until DST is displayed. Programming the First Day Start by programming the Wake time and temperature (and fan operation on select models) for any one day: 1. Press Wake. Set Day/Time AM Time Daylight Time Run Program Hold Temp Set Program Set Current Day/Time Wake Leave Heat/Cool Settings Day Daylight Time Return Sleep System Fan Tue Setting Set Program Start Time AM DST Copy Time Run Program M10315 Wake Hold Temp Set Current Day/Time Wake Heat/Cool Settings Day Daylight Time Set Program Leave Return Sleep System Fan Copy Heat Tue Wake System Heat Fan Auto 4. Press Run Program. M10317 AM Run Program Time Run Program Hold Temp Set Current Day/Time Daylight Time Leave Heat/Cool Settings Day Room Set Program Wake Copy Return Sleep System Fan Tue Wake System Heat DST Fan Auto M10316 Table 9. Default Time, Setpoints and Fan Settings. Period Start Time Heat Setpoint Cool Setpoint Fan Setting Monday Wake [6:00 AM] [70°F (21°C)] Leave [8:00 AM] [78°F (25.5°C)] [Auto] [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [62°F (16.5°C)] [82°F (28°C)] [Auto] [10:00 PM] Tuesday Wake [6:00 AM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Leave [8:00 AM] [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [62°F (16.5°C)] [82°F (28°C)] [Auto] [10:00 PM] Wednesday Wake [6:00 AM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Leave [8:00 AM] [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [62°F (16.5°C)] [82°F (28°C)] [Auto] [10:00 PM] Thursday Wake [6:00 AM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Leave [8:00 AM] [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [10:00 PM] [62°F (16.5°C)] [82°F (28°C)] [Auto] Wake [6:00 AM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Leave [8:00 AM] Friday [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [62°F (16.5°C)] [82°F (28°C)] [Auto] [10:00 PM] Saturday Wake [6:00 AM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Leave [8:00 AM] [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [62°F (16.5°C)] [82°F (28°C)] [Auto] [10:00 PM] (continued) 68-0164—1 12 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 9. Default Time, Setpoints and Fan Settings (continued). Period Start Time Heat Setpoint Cool Setpoint Fan Setting Sunday Wake [6:00 AM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Leave [8:00 AM] [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [62°F (16.5°C)] [82°F (28°C)] [Auto] [10:00 PM] 6. Press increase ▲ or decrease ▼ key until the desired temperature setpoint is displayed. 2. Press Day until the desired day is displayed. Setting Set Program Start Time AM Time Day Run Program Hold Temp Set Current Day/Time Leave Wake Heat/Cool Settings Day Daylight Time Return Sleep System Fan Copy Heat Mon Wake System Heat Setting Set Program Start Time Set Program AM Fan Auto Time Set Program Set Current Day/Time Run Program M10318 Hold Temp Leave Wake Heat/Cool Settings Day Daylight Time Return Sleep System Fan Cool Mon Wake System Heat Copy Fan Auto M10322 3. Press Time ▲ or Time ▼ until the desired Wake time is displayed. 7. Press Leave, Return or Sleep and repeat steps 3, 4, 5 and 5 for programming the rest of the day. The first day is now programmed. NOTE: The program times are in fifteen minute intervals. (Example: 8:00, 8:15, 8:30). IMPORTANT Repeat steps 1 through 7 for each day of the week that has a different program than the first day. Refer to Copying a Day section to copy any program day to another. Time Setting Set Program Start Time AM Time Run Program Set Current Day/Time Hold Temp Set Program Leave Wake Heat/Cool Settings Day Daylight Time Return Sleep System Fan Copy Heat Mon Wake System Heat Fan Auto M10319 8. Press Run Program when all days are programmed. 4. Press increase ▲ or decrease ▼ key until the desired Wake temperature is displayed. AM NOTE: The setpoint temperature range is 40 to 90°F (7 to 31°C) for heating and 45 to 99°F (9 to 37°C) for cooling. Run Program Hold Temp Set Current Day/Time Leave Heat/Cool Settings Daylight Time Leave Heat/Cool Settings Day Return Sleep System Fan Copy Tue Wake System Heat DST Fan Auto Copying a Day Set Program Wake Day Room Set Program Wake M10323 AM Run Program Hold Temp Daylight Time Setting Set Program Start Time Time Time Set Current Day/Time Run Program Return Sleep System Fan Heat Mon Wake System Heat Copy NOTE: The thermostat must be in the program mode to use the copy feature. Go to step 2 if the thermostat is already in the program mode. Fan Auto M10320 NOTE: Press Fan to modify fan operation. Auto means the fan will run only when the heating or cooling equipment is operating. On means the fan will run continuously for the entire period. 1. Press Wake. Setting Set Program Start Time AM 5. Press Heat/Cool Settings to switch to other system temperature setpoint. Time Wake Set Program Set Current Day/Time Run Program Hold Temp Leave Wake Heat/Cool Settings Day Daylight Time Return Sleep System Fan Copy Heat Tue Wake System Heat Fan Auto M10324 NOTE: The program times are the same for both heating and cooling. 2. Press Day to select the day to be copied if different from the day displayed. Setting Set Program Start Time AM Setting Set Program Start Time AM Heat/Cool Settings Time Run Program Hold Temp Set Current Day/Time Daylight Time Copy Day Set Program Wake Heat/Cool Settings Day Time Leave Return Sleep System Fan Mon Wake System Heat Cool Run Program Hold Temp Set Current Day/Time Fan Auto Wake Heat/Cool Settings Day Daylight Time Set Program Copy Leave Return Sleep System Fan Mon Wake System Heat Heat Fan Auto M10325 M10321 13 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 4. Repeat steps 2 and 3 for all the periods to be cleared. 3. Press Copy. 5. Press Run Program. Copy Time Run Program Set Current Day/Time Hold Temp Wake Leave Heat/Cool Settings Day Daylight Time Set Program Return Sleep System Fan Mon Setting Temporary Temperatures Copy M10326 Changing Temperature Setting Until the Next Program Period 4. Press Day until the day to be copied to is displayed. Time Day Run Program Set Current Day/Time Hold Temp Wake Daylight Time Leave Heat/Cool Settings Day Press increase ▲ or decrease ▼ key until the desired temperature setpoint is displayed. Set Program Return Sleep System Fan Mon Wed NOTE: If ▼ or ▲ appear under the temperature display, it means that both the heating and cooling setpoints are being adjusted. Tapping the key will change both the heat and cool setpoints by one degree. Press i after the desired setpoint is reached to check the setpoints. Copy M10327 5. Press Copy. NOTE: donE will be displayed for two seconds and then the normal program display will be shown. Temporary Setting Time Copy Run Program Time Run Program Hold Temp Set Current Day/Time Leave Daylight Time Set Program Wake Leave Return Sleep System Fan Heat Wake Return Heat/Cool Settings Day Set Current Day/Time Set Program Wake System Hold Temp Sleep Daylight Time Fan Heat/Cool Settings Day Copy M10332 Copy M10328 6. Repeat steps 2 through 5 for all the days desired. NOTE: The temporary temperature setting is displayed for approximately 3 seconds. The setting is canceled when the next period starts or when Run Program is pressed. 7. Press Run Program. Clearing Program Period Changing Temperature Setting Indefinitely NOTE: The thermostat must be in the program mode to use the clear feature. Go to step 2 if the thermostat is already in the program mode. 1. Press Hold Temp. Setting 1. Press Wake, Leave, Return or Sleep. Time Run Program Hold Temp Hold Temp Set Current Day/Time Set Program Wake Leave Heat/Cool Settings Day Daylight Time Return Sleep System Fan Heat Copy M10333 Setting Set Program Start Time AM Time Leave Run Program Set Current Day/Time Hold Temp Leave Heat/Cool Settings Day Daylight Time Set Program Wake Return Sleep System Fan Copy 2. Press increase ▲ or decrease ▼ key to change the setting, if desired. Heat Mon Leave System Heat Fan Auto M10329 2. Press Day until the desired day is displayed. Setting Time Run Program Setting Set Program Start Time Hold Temp AM Time Day Run Program Hold Temp Set Current Day/Time Daylight Time Wake Daylight Time Leave Heat/Cool Settings Day Return Sleep System Fan Heat Copy M10334 Set Program Wake Leave Heat/Cool Settings Day Set Current Day/Time Set Program Return Sleep System Fan Copy Sat Heat Leave System Heat Fan Auto 3. Press Heat/Cool Settings to change between heat and cool settings. M10330 3. Press Leave, Return or Sleep until the start time and temperature setting are cleared (approximately 3 seconds). Setting Time Heat/Cool Settings NOTE: Wake cannot be cleared. Run Program Hold Temp Set Current Day/Time Leave Wake Heat/Cool Settings Day Daylight Time Set Program Return Sleep System Fan Cool Copy M10335 Time Leave Run Program Set Current Day/Time 4. Press increase ▲ or decrease ▼ key to adjust temperature settings. Setting Set Program Start Time Set Program Wake Leave Return Sleep System Fan Sat Heat Leave Hold Temp Heat/Cool Settings Day Daylight Time Setting Copy M10331 Time Run Program Hold Temp Set Current Day/Time Wake Heat/Cool Settings Day Daylight Time Set Program Leave Return Sleep System Fan Cool Copy M10336 68-0164—1 14 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: The display changes from the setpoint to the room temperature after approximately 3 seconds. NOTE: In this example, the thermostat uses the Hold setting for eighteen days and returns to the daily programs at the Return period start time. The temperature settings are heating 54°F and cooling 84°F. Only the heating temperature is used because the System is set for Heat. The thermostat will use both the heating and cooling temperature settings when the System is set to Auto (select models). 5. Press Run Program to cancel the Hold and to return to the program. Changing Temperature Setting Until a Designated Day and Period IMPORTANT If the Hold needs to be canceled before the designated time, press Run Program to return to the program. 1. Press Hold Temp twice. Setting Setting System and Fan Hold for Time Hold Temp Set Current Day/Time Run Program Set Program Leave Wake Return Heat Sleep The system default setting is Heat and the fan default setting is Auto. Use the System and Fan keys to change the settings. See Fig. 12. The fan settings can be set for each program period individually. The system selection is for all the program periods. Wake Hold Temp Heat/Cool Settings Day Daylight Time System Fan Copy M10337 2. Press Time ▲ or Time ▼ until the desired number of days is displayed (1 to 255 days). (Example: 18 = Hold will override the daily programs for 18 days) System settings control the thermostat operation as follows: Heat: The thermostat controls the heating. Off: Both the heating and cooling are off. Cool: The thermostat controls the cooling. Auto: The thermostat automatically changes between heating and cooling operation, depending on the indoor temperature. Time Setting Hold for Time Run Program Set Program Set Current Day/Time Leave Wake Return Sleep System Fan Heat Wake Hold Temp Heat/Cool Settings Day Daylight Time Copy M10338 3. Press Wake, Leave, Return or Sleep to select the period the program will start. (Example: Return = thermostat will stop the Hold at the Return period start time) Fan settings control the system fan as follows: On: Fan operates continuously. Auto: Fan operates with equipment. Setting Hold for Time Return Run Program Set Current Day/Time Set Program Wake Leave Return Sleep System Fan Heat Return Hold Temp Heat/Cool Settings Day Daylight Time Copy M10339 Time 4. Press increase ▲ or decrease ▼ key to adjust the temperature setting, if desired. (Example: Heat 54° = heating equipment will operate when the room temperature is below 54°F) Run Program Set Current Day/Time Hold Temp Day Daylight Time Set Program Wake Heat/Cool Settings Leave Return Sleep System Fan System Copy Fan Setting Hold for Time Run Program Set Current Day/Time Set Program Wake Leave Return Sleep System Fan Heat Return Hold Temp Heat/Cool Settings Day Daylight Time Copy M15042 M10340 Fig. 12. Thermostat System and Fan key locations. NOTE: When the System is set for Auto (select models), both heat and cool settings are needed. If the System is set for Heat, only the Heat setpoint is needed or if Cool is selected, only the Cool setpoint is needed. Setting Temporary Fan Operation If your thermostat has a Fan key and this feature, press Fan until the desired fan operation is selected. This fan setting will be in effect until the next regularly scheduled period starts. 5. Press Heat/Cool Settings to change between heat and cool settings. 6. Press increase ▲ or decrease ▼ key to adjust the temperature setting, if desired. (Example: Cool 84° = cooling equipment will operate when the room temperature is above 84°F) 15 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Using Daylight Savings Time Feature THERMOSTAT COOL SETPOINT This feature allows you to change in and out of Daylight Savings Time with a key press. When the Daylight Time Key is pressed in the fall, the time will go back one hour. In the spring, the time will go ahead one hour and the display will show DST. See Setting the Current Day and Time section for initial setting instructions. PROPORTIONAL COOL CONTROL POINT TEMPERATURE P+I CONTROL POINT NOTE: Pressing the Daylight Time Key more than once within a five minute period will scroll you through various time options (Example: one hour earlier or later with or without DST). Pressing the Daylight Time Key six times in a five minute period will return you to your original settings. P+I CONTROL POINT PROPORTIONAL HEAT CONTROL POINT THERMOSTAT HEAT SETPOINT HEATING 100 AM Daylight Time Time Run Program Hold Temp Set Current Day/Time Wake Heat/Cool Settings Day Daylight Time Room Return Sleep System Fan Copy Tue Wake System Heat 0 PERCENT LOAD 50 100 M4414 Fig 13. Proportional temperature control versus P+I temperature control. Set Program Leave 50 COOLING Fan Auto M10341 Operation Sequence Displaying the Outdoor Temperature The thermostat energizes specific terminals depending what the Fan and System are set to. The LCD will display the time, room temperature, system and fan selection. Symbols will be displayed when the heating, cooling or fan is energized. See Table 10 for specific information. If your thermostat is equipped with an outdoor sensor, you can check the temperature at the sensor by pressing i once. Time Run Program Hold Temp Set Current Day/Time Daylight Time Set Program Wake Heat/Cool Settings Day Leave Return Sleep System Fan Outdoor NOTE: Not all the thermostat models have all the terminals listed in the Energize column. Copy M10342 Table 10. Conventional System Sequence of Operation. OPERATION Selection Fan P+I Control System Call Energize The thermostat microprocessor based control requires that the user understands temperature control and thermostat performance. A conventional electromechanical or electronic thermostat does not control temperature precisely at setpoint. Typically, there is an offset (droop) in the control point as the system load changes. This is a phenomenon that most people in the industry know and accept. Many factors contribute to offset including switch differential, thermal lag, overshoot, cycle rates and system load. Auto Off None None On Off None G Auto Cool None O Auto Cool or Auto Cooling O, G and Y Auto Heat None The thermostat microprocessor simultaneously gathers, compares and computes data. Using this data, it controls a wide variety of functions. The special proprietary algorithm (program) in the thermostat eliminates the factors causing offset. This makes temperature control more accurate than the conventional electromechanical or electronic thermostats. The temperature control algorithm is called proportional plus integral (P+I) control. Auto Heat or Auto Heating B and W a Auto Auto None None and B O or Bb None None a When electric heat fan is selected, G is energized and fan symbol is displayed. b Based on last piece of equipment called (cooling = O or heating = B) and Installer Setup selection. The thermostat sensor, located on the thermostat or remote, senses the current space temperature. The proportional error is calculated by comparing the sensed temperature to the programmed setpoint. The deviation from the setpoint is the proportional error. Equipment Protection As part of the operational sequence, the thermostat microprocessor also incorporates minimum off time for all cooling stages. Using the minimum off time assures that rapid cycling of equipment does not occur, which extends equipment life. Minimum off times are set in the Installer Setup. The thermostat also determines integral error, which is a deviation based on the length of error time. The sum of the two errors is the (P+I) error. The cycle rate used to reach and maintain the setpoint temperature is computed using the P+I. The addition of the integral error is what differentiates the thermostat from many other electronic and electromechanical thermostats. See Fig. 13. 68-0164—1 Display None 16 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Adaptive Intelligent Recovery® calculates the recovery ramp based on the number of degrees away from the desired setpoint, previous equipment performance, and weather history to initiate recovery at the optimal time to achieve the comfort setting at the desired time. Thermostat Operation Startup When power to the thermostat is turned on, a startup and initialization program begins. The startup occurs only on initial powerup. After total loss of power for an extended period, the current time and day may need to be set, but the user program is held. See Table 11 for the default values. Once the recovery ramp is intersected, the setpoint changes from the setback setpoint to the comfort setpoint. This change snaps on the equipment and runs the equipment until the setpoint is reached. If the setpoint is reached too early or too late, the ramp is adjusted for the next days' recovery. NOTE: Immediately following initialization, the user can enter new setpoints to be used in place of the default values. Table 11. Default Time, Setpoint and Fan Settings. Period Time Wake 6:00 AM Heat Setpoint Cool Setpoint Fan Setting 70°F (21°C) 78°F (25.5°C) Auto 8:00 AM 62°F (16.5°C) 85°F (29.5°C) Auto Return 6:00 PM 70°F (21°C) 78°F (25.5°C) Auto 62°F (16.5°C) 82°F (28°C) Auto 10:00 PM SETPOINT TEMPERATURE ACTUAL TEMPERATURE Leave Sleep 70°F 60°F WAKE SLEEP M6185A HEATING MODE Fig. 14. Temperature change in recovery. Adaptive Intelligent Recovery® Feature TROUBLESHOOTING GUIDE Adaptive Intelligent Recovery® ensures that the comfort setting is achieved at the programmed time regardless of weather conditions. Conventional recovery, however, starts recovery at the beginning of the programmed time period and uses the equipment to achieve the comfort settings as soon as possible. Refer to Table 12 for troubleshooting information. 17 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 12. Troubleshooting Information. Symptom Possible Cause Display will not come on. Thermostat is not being powered. Temperature Room temperature display has display is incorrect. been reconfigured. Action • Check for 24 Vac between R and C or W terminals. — If missing 24 Vac: — check if the circuit breaker is tripped—reset the circuit breaker. — check if the system fuse is blown—replace the fuse. — check if the power switch on the HVAC equipment is in the Off position—set to the On position. — check wiring between thermostat and HVAC equipment— replace any broken wires and tighten any loose connections. — If 24 Vac is present, proceed with troubleshooting. Enter Installer Setup number 37 and reconfigure the display. Thermostat is configured for °F Enter Installer Setup number 14 and reconfigure the display. or °C display. Bad thermostat location. Relocate the thermostat. Temperature The upper or lower temperature Check the temperature setpoints: settings will not limits were reached. • Heating limits are 40 to 90°F (4.5 to 32°C) change. (Example: • Cooling limits are 45 to 99°F (7 to 35°C) except D model cooling Cannot set the limits are 48 to 99°F. heating higher or The setpoint temperature range Check Installer Setup numbers 34 and 35 and reconfigure the setpoint the cooling lower.) stops were configured. stops. Heating will not come on. No power to the thermostat. Heating will not come on. Thermostat minimum off time is Wait up to five minutes for the system to respond. activated. System selection is not set to Heat. • Setpoint is above room temperature. • Check for 24 Vac between R and C or W terminals. — If missing 24 Vac: — check if the circuit breaker is tripped—reset the circuit breaker. — check if the system fuse is blown—replace the fuse. — check if the power switch on the HVAC equipment is in the Off position—set to the On position. — check wiring between thermostat and HVAC equipment— replace any broken wires and tighten any loose connections. — If 24 Vac is present, proceed with troubleshooting. Set system selection to Heat. Heating setpoint is below room Check heating setpoint. Set heating setpoint to desired temperature. temperature. Cooling will not come on. No power to the thermostat. • Setpoint is below room temperature. • Check for 24 Vac between R or RC and C or Y terminals (D models requires power to R at all times). — If missing 24 Vac: — check if the circuit breaker is tripped—reset the circuit breaker. — check if the system fuse is blown—replace the fuse. — check if the power switch on the HVAC equipment is in the Off position—set to the On position. — check wiring between thermostat and HVAC equipment— replace any broken wires and tighten any loose connections. — If 24 Vac is present, proceed with troubleshooting. Thermostat minimum off time is • Wait up to five minutes for the system to respond. activated. • Enter Installer Setup number 33. Reconfigure minimum off time (if required). System selection is not set to Cool. Set system selection to Cool. Cool setpoint is above room temperature. Check cooling setpoint. Set cooling setpoint to desired temperature. (continued) 68-0164—1 18 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 12. Troubleshooting Information (continued). Symptom Possible Cause Action Heating or cooling come on momentarily and shut off Heat or cool circuit is opening up or becoming high impedance. Add resistor in parallel with load or install interface relay. System on indicator (flame=heat, snowflake=cool) is displayed, but no warm or cool air is coming from the registers. Fan operation set for 0 (conventional heat) when it should be set for 1 (electric heat). Enter Installer Setup number 2 and reconfigure the fan operation. Conventional heating equipment turns on the fan when the furnace has warmed up to a setpoint. Wait a minute after seeing the on indicator and then check the registers. Heating or cooling equipment is Verify operation of heating or cooling equipment in self-test. not operating. Outdoor temperature not displayeda Option not activated. Outdoor sensor is connected Outdoor incorrectly. temperature display is incorrecta Wrong sensor. Enter Installer Setup number 24 and set to 1. Thermostat must have OT terminals and a C7089B1000 installed. Refer to C7089B1000 installation instructions and check wiring between the thermostat and sensor. Replace sensor with C7089B1000 sensor. a Available on select models. CROSS REFERENCE Refer to Table 14 for thermostat cross referencing information. All SUPER TRADELINE® Chronotherm® IV thermostats are different from the existing Chronotherm® III devices as summarized in Table 13. Table 13. Differences Between Chronotherm® III Thermostats and Chronotherm® IV Thermostats. Feature/Function Chronotherm® III Family Chronotherm® IV Family Programming 5-1-1 day programming 7-day programming Changeover Automatic or manual changeover models available Automatic/manual changeover selectable Installer configuration Field settings made via screws on the back of the thermostat Field settings made through the keyboard System switching Mechanical switch Keyboard entry Fan switching Mechanical switch Keyboard entry Device color Beige or Premier White® color Taupe or Premier White® color 19 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 14. Thermostat Cross Reference Information. Model Number TRADELINE® Replacement Description Remarks T8600A One-stage heat conventional thermostat; system powered; system switch—none; fan switch—none. T8600A1000 Honeywell logo. T8600D2028 Heat/cool model can be used for heat only; system selection Heat-Off-CoolAuto; duel fuel. T8600A1018 Canadian TRADELINE® thermostat; Honeywell logo; degree C. T8600D2028 Heat/cool model can be used for heat only; system selection Heat-Off-CoolAuto; configure for °C in Installer Setup 14; duel fuel. T8600A1034 Canadian TRADELINE® thermostat; Honeywell logo; Premier White® color; degree C. T8600D2028 Heat/cool model can be used for heat only; system selection Heat-Off-CoolAuto; configure for °C in Installer Setup 14; duel fuel. T8600B One-stage heat and one-stage cool conventional thermostat; system powered T8600B1008 TRADELINE® thermostat; Honeywell logo; system switch—HEAT-OFF; fan switch—none. T8600D2028 Heat/cool model can be used for heat only; system selection Heat-Off-CoolAuto; fan selection On-Auto; duel fuel; no positive off. T8600B1016 TRADELINE® thermostat; Honeywell logo; system switch—none; fan switch—ON-AUTO. T8600D2028 Heat/cool model can be used for heat only; system selection Heat-Off-CoolAuto; duel fuel. T8600C One-stage heat and one-stage cool thermostat; system powered; system switch—HEAT-OFFCOOL; fan switch—ON-AUTO T8600C1014 TRADELINE® thermostat; Honeywell logo; conventional. T8600D2028 Separate O & B terminals; duel fuel. T8600C1030 Canadian TRADELINE® thermostat; Honeywell logo; conventional; degree C; O and B terminals. T8600D2028 Configure for °C in Installer Setup 14; duel fuel; jumper R to Rc. T8600C1048 York logo; conventional; part no. 2ET07700124A. T8600D2028 Separate O & B terminals; duel fuel. T8600C1055 Canadian TRADELINE® thermostat; Honeywell logo; conventional; degree C. T8600D2028 Configure for °C in Installer Setup 14; duel fuel; jumper R to Rc. T8600C1063 Trane logo; conventional; part no. THT0594. T8600D2028 Separate O & B terminals; duel fuel. T8600C1071 Trane logo; electric heat; O and B terminals; part no. THT0595. T8600D2028 Configure for electric heat in Installer Setup 2; jumper R to Rc. T8600C1089 Texfan logo; conventional. T8600D2028 Separate O & B terminals; duel fuel. T8600C1097 Glowcore logo; conventional; part no. THC-3. T8600D2028 Separate O & B terminals; duel fuel. T8600C1105 York logo; conventional; part no. 025-27653 and 2ET0770224A. T8600D2028 Separate O & B terminals. T8600C1113 Canadian York thermostat; conventional; degree C. T8600D2028 Separate O & B terminals; configure for °C in Installer Setup 14; duel fuel. T8600C1121 Arcoaire logo; conventional: part no. 1506-745. T8600D2028 Separate O & B terminals; duel fuel. T8600C1147 Trane logo; conventional; part no. TAYSTAT300. T8600D2028 Separate O & B terminals; duel fuel; jumper R to Rc. T8600C1154 American Standard logo; conventional; part no. ASYSTAT600. T8600D2028 Separate O & B terminals; duel fuel; jumper R to Rc. T8600C1162 SUPER TRADELINE® thermostat; Honeywell logo; duel fuel fan control; O and B terminals. T8600D2028 Jumper R to Rc. (continued) 68-0164—1 20 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 14. Thermostat Cross Reference Information. (continued) Model Number TRADELINE® Replacement Description Remarks T8600C1170 Carrier thermostat; conventional; part no. HH07AX006. T8600D2028 Separate O & B terminals; duel fuel; jumper R to Rc. T8600C1188 Carrier thermostat; conventional; part no. HH641-101. T8600D2028 Separate O & B terminals; duel fuel; jumper R to Rc. T8600C1196 Canadian TRADELINE® thermostat; Honeywell logo; Premier White® color; conventional; degree C. T8600D2028 Separate O & B terminals; configure for °C in Installer Setup 14; duel fuel; jumper R to Rc. T8600C1204 Canadian Lennox thermostat; conventional; degree C. T8600D2028 Separate O & B terminals; configure for °C in Installer Setup 14; duel fuel; jumper R to Rc. T8600C1212 SUPER TRADELINE® thermostat; Honeywell logo; duel fuel fan control; O and B terminals. T8600D2028 Jumper R to Rc; taupe color. T8600C1220 Servel logo; Premier White® color; conventional; Robur part no. 15471-82. T8600D2028 Separate O & B terminals; duel fuel; taupe color. T8600C1238 ICP logo; Premier White® color; duel fuel fan control; O and B terminals; part no. HQ1149371HW. T8600D2028 Jumper R to Rc; taupe color. T8600C1246 ICP logo; Premier White® color; duel fuel fan control; O and B terminals; part no. HQ1149372HW. T8600D2028 Jumper R to Rc; taupe color. T8600C1253 Consolidated Industries logo; Premier White® color; conventional; part no. 412360. T8600D2028 Separate O & B terminals; duel fuel; taupe color. T8600C1279 Canadian TRADELINE® (French) thermostat; conventional. T8600D2028 English only keyboard; separate O & B terminals; duel fuel. T8600D One-stage heat and one-stage cool conventional thermostat; system powered; automatic changeover; system switch— HEAT-OFF-COOL-AUTO; fan switch— ON-AUTO T8600D1004 TRADELINE® thermostat; Honeywell logo. T8600D2028 Separate O & B terminals; duel fuel. T8600D1012 Canadian TRADELINE® thermostat; Honeywell logo; degree C. T8600D2028 Separate O & B terminals; configure for °C in Installer Setup 14; duel fuel. T8600D1020 Energy Sensor. T8600D2028 Separate O & B terminals; duel fuel. T8600D1038 Canadian Carrier thermostat; degree C; part no. HH07AT101. T8600D2028 Separate O & B terminals; configure for °C in Installer Setup 14; duel fuel; T8600D1046 Trane. T8600D2028 Separate O & B terminals; duel fuel. T8600D1053 Heil Quaker thermostat; Honeywell logo; part no. HQ1000776HW. T8600D2028 Separate O & B terminals; duel fuel. T8600D1061 Carrier. T8600D2028 Separate O & B terminals; duel fuel. T8600D1079 Lennox logo; part no. 27H3101. T8600D2028 Separate O & B terminals; duel fuel. T8600D1103 Carrier. T8600D2028 Separate O & B terminals; duel fuel. T8600D1111 TRADELINE® thermostat; Honeywell logo; Premier White® color. T8600D2028 Separate O & B terminals; duel fuel; taupe color. T8600D1129 Canadian TRADELINE® thermostat; Honeywell logo; Premier White® color; degree C. T8600D2028 Separate O & B terminals; configure for °C in Installer Setup 14; duel fuel. T8600D1137 Solitaire logo; Premier White® color; Nordyne part no. 9132400. T8600D2028 Separate O & B terminals; duel fuel; taupe color. T8600D1145 Canadian Carrier thermostat; Premier White® color; degree C; part no. HH07AT101-W. T8600D2028 Separate O & B terminals; configure for °C in Installer Setup 14; duel fuel. (continued) 21 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 14. Thermostat Cross Reference Information. (continued) Model Number TRADELINE® Replacement Description Remarks T8601A One-stage conventional heat thermostat; powered direct from 24 Vac transformer T8601A1017 Canadian TRADELINE® thermostat; Honeywell logo; system switch—none; fan switch—none; degree C. T8601B One-stage conventional heat with fan thermostat; powered direct from 24 Vac transformer T8601B1007 TRADELINE® thermostat; Honeywell logo; system switch—none; fan switch—ON-AUTO . T8601C One-stage heat and one-stage cool conventional thermostat; powered direct from 24 Vac transformer; system switch—HEAT-OFF-COOL; fan switch—ON-AUTO; O and B terminals T8601C1003 TRADELINE® thermostat; Honeywell logo. T8601D2019 Jumper R to Rc; Premier White® color. T8601C1013 Canadian TRADELINE® thermostat; Honeywell logo; degree C. T8601D2019 Configure for °C in Installer Setup 14; jumper R to Rc; Premier White® color. T8601C1021 New Construction thermostat. T8601D2019 Jumper R to Rc; Premier White® color. T8601C1039 Carrier logo; part no. HH641-104. T8601D2019 Jumper R to Rc; Premier White® color. T8601C1047 New Construction thermostat; Premier White® color. T8601D2019 Jumper R to Rc. T8601C1054 Trol-A-Temp® thermostat; Premier White® color. T8601D2027a Configure manual changeover in Installer Setup12; replacement has Oc terminals. T8601C1062 Trol-A-Temp® by Honeywell logo. T8601D2027a Configure manual changeover in Installer Setup12; replacement has Oc terminals; Premier White® color. T8601D One-stage heat and one-stage cool conventional thermostat; powered direct from 24 Vac transformer; automatic changeover; system switch—HEAT-OFF-COOL-AUTO; fan switch—ONAUTO T8601D1011 Canadian TRADELINE® thermostat; Honeywell logo; degree C. T8601D2019 Separate O & B terminals; configure for °C in Installer Setup 14 and changeover in 12; jumper R to Rc; Premier White® color. T8601D1029 New Construction thermostat. T8601D2019 Separate O & B terminals; configure changeover in Installer Setup 12; jumper R to Rc; Premier White® color. T8601D1045 Trol-A-Temp® by Honeywell thermostat; Premier White® color. T8601D2027a Separate O & B terminals; replacement has Oc terminals. T8601D1052 New Construction thermostat; Premier White® color. T8601D2019 Separate O & B terminals; configure changeover in Installer Setup 12; jumper R to Rc. T8601D1060 California Economizer logo; Premier White® color. T8601D2019 Separate O & B terminals; configure changeover in Installer Setup 12; jumper R to Rc. T8601D1078 Amana logo; Premier White® color; part no. P1213701F. T8601D2019 Separate O & B terminals; configure changeover in Installer Setup 12; jumper R to Rc. T8601D2019 T8601D2019 Heat/cool model can be used for heat only; system selection Heat-Off-CoolAuto; configure for °C in Installer Setup 14; Premier White® color. Heat/cool model can be used for heat only; system selection Heat-Off-CoolAuto; jumper R to Rc for fan control; Premier White® color. (continued) 68-0164—1 22 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 14. Thermostat Cross Reference Information. (continued) Model Number TRADELINE® Replacement Description Remarks T8602A One-stage heat conventional thermostat; battery powered; system switch—none; fan switch— none T8602A1008 TRADELINE® thermostat; Honeywell logo. T8602B One-stage heat conventional with fan thermostat; battery powered; system switch—none; fan switch—ON-AUTO T8602B1006 TRADELINE® thermostat; Honeywell logo. T8602D2000 Heat/cool model can be used for heat only; separate O & B terminals; system selection Heat-Off-Cool-Auto; fan selection Auto-On; jumper R to Rc for fan operation. T8602B1014 TRADELINE® thermostat; Honeywell logo; Premier White® color. T8602D2000 Heat/cool model can be used for heat only; separate O & B terminals; system selection Heat-Off-Cool-Auto; fan selection Auto-On; jumper R to Rc for fan operation; taupe color. T8602C One-stage heat and one-stage cool thermostat; battery powered; system switch—HEAT-OFFCOOL; fan switch—ON-AUTO T8602C1004 TRADELINE® thermostat; Honeywell logo. T8602D2000 Separate O & B terminals; jumper R to Rc. T8602C1012 Amana logo; conventional; part no.: none. T8602D2000 Separate O & B terminals; jumper R to Rc. T8602C1020 Rheem logo; conventional; part no.: none. T8602D2000 Separate O & B terminals; jumper R to Rc. T8602C1046 SUPER TRADELINE® thermostat; Honeywell logo; duel fuel fan control; O and B terminals. T8602D2000 T8602C1061 Trol-A-Temp® by Honeywell thermostat; Premier White® color; conventional; O and B terminals. T8602C2051a T8602C1079 Trol-A-Temp® by Honeywell thermostat; conventional; O and B terminals. T8602C2051a Premier White® color. T8602C1095 SUPER TRADELINE® thermostat; Honeywell logo; Premier White® color; duel fuel fan control; O and B terminals. T8602D2000 Taupe color. T8602C1103 Canadian TRADELINE® thermostat; Honeywell logo; duel fuel fan control; degree C; O and B terminals. T8602D2000 Configure for °C in Installer Setup 14 . T8602C1129 Universal Parts logo; Rheem part no. 41-21615-05; conventional. T8602D2000 T8602C1137 ICP logo; duel fuel fan control; O and B terminals; part no. HQ1149373HW. T8602D2000 T8602C1145 ICP logo; Premier White® color; duel fuel fan control; O and B terminals; part no. HQ1149374HW. T8602D2000 T8602D2000 Heat/cool model can be used for heat only; separate O & B terminals; system selection Heat-Off-Cool-Auto; fan selection Auto-On. Taupe color. (continued) 23 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Table 14. Thermostat Cross Reference Information. (continued) Model Number TRADELINE® Replacement Description Remarks T8602D One-stage heat and one-stage cool conventional thermostat; battery powered; automatic changeover T8602D1010 Trol-A-Temp® by Honeywell thermostat; Premier White® color; system switch—none; fan switch—none; field terminals: W/4, R/5, Y/6. T8602D2026a T8602D1028 Trol-A-Temp® by Honeywell thermostat; system switch—none; fan switch—none; field terminals: W/4, R/5, Y/6. T8602D2026a CT8602C One-stage heat and one-stage cool retail thermostat battery powered CT8602C1001 Retail Honeywell logo; off-white color; duel fuel fan control; system switch HEAT-OFFCOOL; fan switch ON-AUTO; separate O and B terminals; clamshell packaging. Premier White® color. T8602D2000 TRADELINE® packaging. a Trol-A-Temp® by Honeywell thermostat model. WIRING DIAGRAMS (Fig. 15-20) THERMOSTAT Y O G B W R OT OT 3 3 THERMOSTAT G W COMPRESSOR CONTACTOR R COOL DAMPER HEAT RELAY 2 2 FAN RELAY HEAT RELAY OUTDOOR TEMPERATURE SENSOR HEAT DAMPER 2 FAN RELAY 1 1 L1 (HOT) L1 (HOT) L2 L2 TRANSFORMER TRANSFORMER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 NOT AVAILABLE ON T8600A MODELS. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT PUMP SYSTEMS. 3 AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE. M10346 Fig. 15. Typical hookup of T8600 or T8602 in heat only application. M10347 Fig. 16. Typical hookup of T8600 or T8602 in heat and cool system with one transformer. 68-0164—1 24 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS THERMOSTAT RC Y O G 2 THERMOSTAT B W COMPRESSOR CONTACTOR COOL DAMPER FAN RELAY OT R 4 HEAT RELAY 3 OT C Y O G B 4 5 W OT R COMPRESSOR CONTACTOR OUTDOOR TEMPERATURE SENSOR COOL DAMPER FAN RELAY HEAT DAMPER OT 3 3 HEAT RELAY 2 OUTDOOR TEMPERATURE SENSOR HEAT DAMPER 2 3 1 1 L1 (HOT) L1 (HOT) L1 (HOT) L2 L2 L2 1 TRANSFORMER HEATING TRANSFORMER COOLING TRANSFORMER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 JUMPER RC TERMINAL TO R TERMINAL WHEN INSTALLED ON A ONE TRANSFORMER SYSTEM. 2 CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT PUMP SYSTEMS. 3 CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT PUMP SYSTEMS. 3 AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE. 4 AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE. 5 T8600D MODELS REQUIRE POWER TO R TERMINAL AT ALL TIMES. M10353 Fig. 19. Typical hookup of T8601 in heat and cool system with one transformer. M10348 THERMOSTAT Fig. 17. Typical hookup of T8600 or T8602 in heat and cool system with two transformers. RC Y O 4 G C B W R 5 OT THERMOSTAT C G W COMPRESSOR CONTACTOR HEAT RELAY COOL DAMPER R 3 2 OT 4 2 FAN RELAY HEAT RELAY HEAT DAMPER OUTDOOR TEMPERATURE SENSOR 3 1 1 FAN RELAY L1 (HOT) L1 (HOT) L1 (HOT) L2 L2 L2 1 TRANSFORMER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 NOT AVAILABLE ON "A" MODELS. COOLING TRANSFORMER HEATING TRANSFORMER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 JUMPER RC TERMINAL TO R TERMINAL WHEN INSTALLED ON A ONE TRANSFORMER SYSTEM. 3 CAN BE USED FOR CHANGEOVER VALVE ON SINGLE-STAGE HEAT PUMP SYSTEMS. 4 AVAILABLE ON SELECT MODELS. OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE. 5 T8601D MODELS REQUIRE POWER TO R TERMINAL AT ALL TIMES. M10357 Fig. 18. Typical hookup of T8601 in heat only application. M10354 Fig. 20. Typical hookup of T8601 in heat and cool system with two transformers. 25 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 26 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 27 68-0164—1 T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Home and Building Control Honeywell Inc. Honeywell Plaza P.O. Box 524 Minneapolis MN 55408-0524 Home and Building Control Honeywell Limited-Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 3N7 Honeywell Latin American Region 480 Sawgrass Corporate Parkway Suite 200 Sunrise FL 33325 Honeywell Europe S.A. 3 Avenue du Bourget B-1140 Brussels Belgium Honeywell Asia Pacific Inc. Room 3213-3225 Sun Hung Kai Centre No. 30 Harbour Road Wanchai Hong Kong Helping You Control Your World® 68-0164—1 J.H. Rev. 7-97 Printed in U.S.A. 68-0164—1 Printed on recycled paper containing at least 10% post-consumer paper fibers. 28 www.honeywell.com/yourhome
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