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Honeywell CHRONOTHERM IV T8665A, User Manual

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34

69-1536–3

5.

Press Fan key to modify fan operation. Selecting Auto means the fan runs only when the

heating or cooling equipment is operating. Selecting On means the fan runs continuously

for the entire schedule period.

6.

Press Heat/Cool Settings key to make selections for the opposite system setting (either

Heat or Cool).

Fan

Heat/Cool

Settings

M14591

Set Program

Mon

Wake

System

Fan

Heat

Auto

AM

Cool

Setting

Press Heat/Cool Settings key to select the cooling system

(if you previously set the heating temperature). The

current setting displays. Example display shows

the cooling system previously set for 78

°

.

Summary of Contents for CHRONOTHERM IV T8665A

Page 1: ...1 69 1536 3 USER S GUIDE T8665A Chronotherm IV Wireless Thermostat 69 1536 3 ...

Page 2: ...2 69 1536 3 ...

Page 3: ...gs 11 OPERATING YOUR THERMOSTAT 13 Setting System and Fan Keys 13 Setting the System Key 14 Setting the Fan Key 14 Setting Temporary Temperatures 15 Changing Temperature to Temporary Setting Until Next Schedule Period 15 Changing and Holding Temperature Setting Indefinitely 17 Changing Temperature Setting Until a Designated Day and Period Vacation Hold 18 Replacing the Batteries 21 ...

Page 4: ...ING THE CLOCK 25 Set Current Day and Time 25 Daylight Saving Time 27 PROGRAMMING YOUR THERMOSTAT 28 7 Day Program and Operation 28 7 Day Preprogrammed Schedule 29 Customizing Your Own 7 Day Schedule 30 Programming the First Day 31 Copying a Day 36 Clearing a Program Period 39 TROUBLESHOOTING 41 WARRANTY 43 CUSTOMER ASSISTANCE 45 ...

Page 5: ...lowing symbols will help you identify the features that apply to your system Triple layer of thermostats with the word zoning below These features are available when more than one thermostat is used with the W8665E RF ZoneTM Panel Tip symbol Look for helpful tips throughout the guide when you see this symbol 80 9 0 70 6 0 9 0 80 70 6 0 ZONING ...

Page 6: ...d energy savings Set the temperature higher or lower for energy savings while on vacation At the same time set the comfort level you want when you return Information at the press of a button use the information key to see the current setpoints Daylight Time key for quick time changes between Daylight and Standard time Backlit display for improved readability backlight ing on demand press any key t...

Page 7: ... is located behind the thermostat cover Three frequently used keys increase or decrease and are located next to the display See Fig 1 Display The thermostat displays important information such as day time schedule period temperature system and fan operation See Fig 2 ...

Page 8: ...OL AUTO DIGITAL DISPLAY SET CURRENT DAY TIME SETS CURRENT DAY AND TIME RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE HEAT COOL SETTINGS SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING TIME TIME SETS TIME FORWARD OR BACK HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE DAYLIGHT TIME SELECTS STANDARD TIME OR DAYLIGHT SAVING TIME COPY COPIES...

Page 9: ...T ROOM TEMPERATURE DISPLAYS EITHER ROOM OR SET TEMPERATURE SHOWS CURRENT FAN KEY POSITION ON AUTO SHOWS THERMOSTAT IS CALLING FOR THE FAN SHOWS SMART RESPONSE IS OFF AND CONVENTIONAL RECOVERY IS ON SHOWS THERMOSTAT IS PROCESSING INFORMATION AND WAITING TO CALL FOR HEAT OR COOL SHOWS ADAPTIVE INTELLIGENT RECOVERYTM IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAM SHOWS THAT THERMOSTAT IS CAL...

Page 10: ...tat acts like a computer When calculat ing the time to turn on your heating or cooling system it considers air temperature wall temperature and the time you want to reach the comfort temperature After considering these three things Adaptive Intelligent RecoveryTM control gradually changes the tempera ture from the energy savings setting to the comfort setting for example from a heating temperature...

Page 11: ... time accordingly After four to eight days the thermostat has adjusted to local weather your lifestyle the construction of your home and your heating and cooling system Optimum Comfort and Energy Savings In Fig 4 Adaptive Intelligent RecoveryTM control starts to recover at 5 00 AM and reaches the comfort temperature of 68 at 6 30 AM Recovery time varies with the starting temperature and the comfor...

Page 12: ...OD RECOVERY FROM ENERGY SAVINGS COMFORT PERIOD TIME TEMPERATURE THE THERMOSTAT USES THE SAME SCHEME TO RETURN GRADUALLY TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON M20149 Mon Sleep Room System Fan Heat Auto AM Recovery Mon Sleep Room System Fan Heat Auto AM Recovery Mon Sleep Room System Fan Heat Auto AM Recovery Mon Wake Room System Fan Heat Auto AM IF Recovery IS DISPLAYED PRESS TO SE...

Page 13: ...regular programming schedule on your last day of vacation so you are comfortable when you return and yet save energy while you are away Setting System and Fan Keys Use the System and Fan keys to change the system and fan settings The fan settings can be set for each schedule period individually The system selection is for all the schedule periods CAUTION Equipment Damage Hazard Can cause permanent...

Page 14: ...emand on a first call basis For example if zone 2 any zone is calling for heating and then zone 1 any zone asks for cool the system will satisfy zone 2 before turning on the cool for zone 1 System Setting the Fan Key Press Fan key until the desired mode On or Auto displays On Fan operates continuously Auto Fan operates only when heating or cooling displays when the thermostat is calling for the fa...

Page 15: ...gnated day and period for example while you are on vacation Changing Temperature to Temporary Setting Until Next Schedule Period Press increase or decrease until the desired temperature setpoint displays The temporary temperature setting you select displays for approximately three seconds The display reads Temporary until the next period begins or when you cancel the temporary temperature setting ...

Page 16: ...he display reads Temporary until canceled Example display shows temporary heat setting of 70 at 6 00 AM If or appears under the temperature display it means that both the heating and cooling setpoints are being adjusted Tapping the increase or decrease key changes both the heat and cool setpoints by one degree Press key after the desired setpoint is reached to verify the setpoints 80 9 0 70 6 0 9 ...

Page 17: ... increase or decrease to change the tempera ture setpoint if desired NOTE The display changes from the setpoint to the room temperature after approximately three seconds Press Run Program key to cancel hold Press Hold Temp key once to display the thermostat in Hold mode Example display shows temporary heat setting of 60 Hold Temp Run Program ...

Page 18: ...NING M14834 Wake System Fan Heat Auto Hold for Heat Days Setting When setting Vacation Hold in a zone system set all thermostats indepen dently to Vacation Hold 1 Press Hold Temp key twice IMPORTANT To cancel the Vacation Hold before the designated time press Run Program key 2 Press Time or Time until the desired number of days 1 to 255 days displays Press Hold Temp key twice to display the thermo...

Page 19: ...tem is set to Heat Similarly only the cooling temperature is used when the System is set to Cool The thermostat uses both the heating and cooling temperatures when the System is set to Auto Press increase or decrease key to select a new Hold temperature Example display shows temporary heat setting of 55 M14572 System Fan Heat Auto Hold for Heat Days Setting Return In this example the Hold ends aft...

Page 20: ...g if desired for example if cool is set at 84 cooling equipment operates when the room temperature is above 84 F To cancel the Vacation Hold before the designated time press Run Program key at each thermostat Pressed the wrong key Want to start over Don t worry You can always press to return display to normal Heat Cool Settings Run Program ZONING ...

Page 21: ...SHOWN POSITIVE TERMINALS TOWARD TOP WALLPLATE B R RC O W Y G IMPORTANT Although the thermostat has a low battery indicator replace the batteries once a year to prevent leakage and to prevent the thermostat and heating cooling system from shutting down due to lack of battery power in the thermostat 1 When the batteries are running low a REPL BAT message flashes from one to two months before the bat...

Page 22: ...the batteries are dead or installed incorrectly You must reset the time and day Refer to Setting the Clock section for instructions As a precaution when leaving home for longer than a month change batteries before leaving to prevent the system from shutting down due to lack of power Always use fresh alkaline batteries Nonalkaline batteries do not last as long they also can leak causing damage to t...

Page 23: ...ol Setpoint of mode not currently in use Displaying Current Settings Press key once to check the current temperature setpoint Press key twice to check the temperature setpoint of the mode not currently in use Press key once to display current setpoint Example display shows cooling setpoint of 75 M20150 INFORMATION KEY Wake Room System Fan Heat Auto AM DST Tue Cool M20152 ...

Page 24: ... is active all active timers show sequentially when pressing the i key several times If you want to use this feature and it is not currently activated check the Installation Instructions at www honeywell com yourhome or call 1 800 468 1502 M20243 Filter Days M20244 Filter Days When the thermostat activates a timer the thermostat flashes Filter until the timer resets 1 Reset the timer by pressing t...

Page 25: ...es on the display until a key is pressed 1 Press Set Current Day Time key Press Set Current Day Time key to show information displayed Set Current Day Time M14580 Set Day Time Mon PM IMPORTANT Always press the keys with your fingertip or similar blunt tool Sharp instruments like pens and pencil points can damage the keyboard ...

Page 26: ...ey until the current day displays Mon Monday Tue Tuesday Wed Wednesday Thu Thursday Fri Friday Sat Saturday Sun Sunday Day Press Day key to set the current day Example display shows Tuesday M14581 Set Day Time PM Tue Set Current Day Time M14582 Set Day Time AM Tue Press Time or Time key to set the current time Example display shows 8 15 AM Run Program TIME 80 9 0 70 6 0 9 0 80 70 6 0 80 9 0 70 6 0...

Page 27: ...e AM DST Tue Press Daylight Time key to set Daylight Saving Time Pressing Daylight Time key more than once within a five minute period scrolls you through various time options example one hour earlier or later with or without DST Pressing Daylight Time key six times in a five minute period returns you to your original setting 80 9 0 70 6 0 9 0 80 70 6 0 ...

Page 28: ...erature during the cooling season LEAVE The program period you can set for an energy saving temperature while you are away at work or school This is a lower temperature during heating season and higher temperature during cooling season and it follows the WAKE period RETURN The program period when you want the house at a comfortable temperature for activities before bedtime This is a higher tempera...

Page 29: ...o plan your schedule Instructions 1 Write the time you want for each program period 2 Write the heating and cooling temperatures you want for each period 3 Draw a circle around the fan operation you desire for each period Table 1 7 Day Preprogrammed Schedule WAKE LEAVE RETURN SLEEP ALL DAYS TIME 6 00 AM FAN AUTO H 70 21 C 78 2 5 TIME 8 00 AM FAN AUTO H 62 16 5 C 85 29 5 TIME 6 00 PM FAN AUTO H 70 ...

Page 30: ...UTO ON H C TUESDAY TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C WEDNESDAY TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C THURSDAY TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C FRIDAY TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C TIME FAN AUTO ON H C SATURDAY TIME FAN A...

Page 31: ...etained for a minimum of twenty minutes during a power outage After a longer power outage you may need to set the current time and day 1 00 PM flashes on the display but the schedule is retained Programming the First Day To modify the preprogrammed schedule start by programming the Wake time and temperature and fan operation for any one day 80 9 0 70 6 0 9 0 80 70 6 0 ...

Page 32: ...ey to enter the program mode Example display shows 6 00 AM on Tuesday with Heat set to 70 F M14588 Set Program Mon Wake System Fan Heat Auto AM Heat Setting Day Press Day key to select the day to program Example display shows Monday is selected and ready to program 2 Press Day key until the desired day displays Wake ...

Page 33: ... Program Mon Wake System Fan Heat Auto AM Heat Setting 4 Press increase or decrease key until the desired Wake temperature displays The setpoint temperature range is 40 to 90 F 4 to 32 C for heating and 55 to 99 F 13 to 37 C for cooling M14590 Set Program Mon Wake System Fan Heat Auto AM Heat Setting Press increase or decrease key to select the temperature for the Wake period Example display shows...

Page 34: ...e schedule period 6 Press Heat Cool Settings key to make selections for the opposite system setting either Heat or Cool Fan Heat Cool Settings M14591 Set Program Mon Wake System Fan Heat Auto AM Cool Setting Press Heat Cool Settings key to select the cooling system if you previously set the heating temperature The current setting displays Example display shows the cooling system previously set for...

Page 35: ...s the cooling Wake period set for 76 8 Press Leave Return or Sleep and repeat steps 3 through 6 to program the entire day The day first day of a 7 day schedule is now programmed IMPORTANT Repeat steps 1 through 7 for each day of the week that has a different schedule from the first day Or refer to Copying a Day section to copy any programmed day to another day 9 Press Run Program key to return to ...

Page 36: ...he upper left corner 1 Press Wake Leave Return or Sleep key to enter program mode 2 Press Day key to select the day to copy from Day M14590 Set Program Mon Wake System Fan Heat Auto AM Heat Setting Press Day key to select the day schedule to copy Example display shows the thermostat in program mode with Monday ready to be copied Leave Return Sleep Wake 80 9 0 70 6 0 9 0 80 70 6 0 ...

Page 37: ...Monday schedule was copied into memory Day M14595 Mon Wed 4 Press Day key until the day to be copied to is displayed Copy Press Day key again to select the day to copy to Example display shows Monday and Wednesday Because Monday was already selected Monday schedule will be copied to Wednesday M14594 Mon ...

Page 38: ... to normal operation 5 Press Copy key NOTE donE displays for two seconds before the normal display returns Press the Copy key again to complete the copy command Example display shows donE Monday schedule was successfully copied to Wednesday Monday and Wednesday now have the same schedule Copy M14596 Run Program ...

Page 39: ... Leave Return or Sleep key to enter program mode Press Leave Return or Sleep to enter the program mode Example display shows 8 00 AM on Monday in the Leave period with Heat set for 62 M14597 Set Program Mon Leave System Fan Heat On AM Heat Setting Day M14598 Set Program Leave System Fan Heat On AM Heat Sat Setting Press Day key to select the day to begin clearing the periods Example display shows ...

Page 40: ... as necessary for all the periods to be cleared 5 Press Run Program key to return to normal operation M14599 Set Program Leave Heat Sat Setting 3 Press and hold Leave Return or Sleep key until the start time and temperature setting are cleared approximately three seconds NOTE Wake cannot be cleared Run Program Press and hold Leave Return or Sleep key to clear the period for that day Example displa...

Page 41: ...points are Heating 40 to 90 F 4 to 32 C Cooling 55 to 99 F 13 to 37 C Heating does not come on System selection is not set to Heat Heating setpoint is below room temperature Check that setpoint is above room temperature Check if the circuit breaker is tripped reset the circuit breaker Check if the fuse at your fuse box is blown replace the fuse Check if the System switch at the equipment is in the...

Page 42: ...ndicator for heat for cool is lit but no warm or cool air is coming from the registers Heating cooling equipment turns on the fan when the equipment has reached the preset time or temperature Wait a minute after seeing the or and then check the registers If there is no hot or cool air coming from registers refer to Heating does not come on or Cooling does not come on Heat or cool turns on before p...

Page 43: ...unction and mail it postage prepaid to the following address Honeywell Return Goods Dock 4 MN10 3860 1885 Douglas Drive North Golden Valley MN 55422 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 Honeywell s...

Page 44: ...how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you specific legal rights and you may have other rights which vary from state to state If you have any questions concerning this warranty please write our Honeywell Customer Relations 1985 Douglas Drive North Golden Valley MN 55422 or call 1 800 468 1502 Monday Friday 7 00 a m to 5 30 p m Central ti...

Page 45: ...reading this guide if you have any questions about the operation of your thermostat please contact the Honeywell Customer Relations at www honeywell com yourhome or 1 800 468 1502 For service contact your local heating and cooling contractor ...

Page 46: ...ticular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures If using an indoor antenna have a quality outdoor antenna installed Reorient the receiving antenna until interference is reduced or eliminated Mo...

Page 47: ......

Page 48: ...1 02 Printed in U S A Automation and Control Solutions Honeywell 1985 Douglas Drive North Golden Valley MN 55422 Honeywell Limited Honeywell Limitée 35 Dynamic Drive Scarborough Ontario M1V 4Z9 www honeywell com yourhome ...

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