Honeywell T8665A1002 User Guide

Honeywell T8665A1002 - Digital Thermostat, 3h Manual

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  • Honeywell T8665A1002 | User Guide - Page 1
    T8665A Chronotherm® IV Wireless Thermostat USER'S GUIDE 1 6699--11553366--3
  • Honeywell T8665A1002 | User Guide - Page 2
    2 69-1536-3
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    CONTENTS USING THIS GUIDE ...5 FEATURES ...6 KEYBOARD AND DISPLAY DESCRIPTION ...7 Keyboard ...7 Display ...7 ADAPTIVE INTELLIGENT RECOVERYTM CONTROL 10 Optimum Comfort and Energy Savings ...11 OPERATING YOUR THERMOSTAT ...13 Setting System and Fan Keys ...13 Setting the System Key ...14 Setting
  • Honeywell T8665A1002 | User Guide - Page 4
    or Reset Filter Timer Settings ...24 SETTING 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
  • Honeywell T8665A1002 | User Guide - Page 5
    USING THIS GUIDE The T8665A is a multi-functional thermostat. This means it can be used in single or multi-zone applications. The following 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
  • Honeywell T8665A1002 | User Guide - Page 6
    time. • Backlit display for improved readability - backlighting on demand (press any key to activate). • Programmable Fan - your thermostat can activate the fan in any programming period for improved air circulation and air cleaning when a Honeywell wholehouse air cleaner is installed. 6 69-1536-3
  • Honeywell T8665A1002 | User Guide - Page 7
    KEYBOARD AND DISPLAY DESCRIPTION Keyboard The keyboard 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
  • Honeywell T8665A1002 | User Guide - Page 8
    SET CURRENT DAY/TIME SETS CURRENT DAY AND TIME WAKE SET WAKE TIMES AND TEMPERATURES LEAVE SET LEAVE TIMES AND TEMPERATURES DIGITAL DISPLAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE DAY SETS DAY OF THE WEEK Run Program Set Current Day/Time Time Wake Set Program Leave Return
  • Honeywell T8665A1002 | User Guide - Page 9
    CHANGED FOR THIS PROGRAM PERIOD Setting System Heat Off Cool Auto Fan On Auto SHOWS TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THAT THERMOSTAT IS CALLING FOR SHOWS CURRENT SYSTEM KEY POSITION HEAT/OFF/COOL SHOWS CURRENT FAN KEY POSITION ON/AUTO SHOWS CURRENT DAY OR DAYS BEING
  • Honeywell T8665A1002 | User Guide - Page 10
    . See Fig. 3. So, "Recovery" displays during the recovery time from Sleep to Wake and from Leave to Return. Recovery AM System Heat The thermostat acts like a computer. When calculating the time to turn on your heating or cooling system, it considers air temperature, wall temperature, and the
  • Honeywell T8665A1002 | User Guide - Page 11
    After installation or new schedule programming, your thermostat learns from experience. Each day it checks how closely it hit the recovery target (for example, 70° at 6:00 AM) and adjusts the next day's recovery start time accordingly. After four to eight days, the thermostat has adjusted to local
  • Honeywell T8665A1002 | User Guide - Page 12
    System Heat AM Mon Wake Room Fan Auto System Heat Fan Auto ENERGY SAVINGS PERIOD RECOVERY FROM ENERGY SAVINGS TIME COMFORT PERIOD THE THERMOSTAT USES THE SAME SCHEME TO RETURN GRADUALLY TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON. 1 IF Recovery IS DISPLAYED, PRESS TO SEE THE
  • Honeywell T8665A1002 | User Guide - Page 13
    override the current programming mode or to hold the thermostat at a specific temperature while you go on vacation. You can even program the thermostat to return to your regular programming schedule on your temperature is below 50°F (10°C). See equipment manufacturer instructions. 13 69-1536-3
  • Honeywell T8665A1002 | User Guide - Page 14
    or Auto) displays: Fan On: Fan operates continuously. Auto: Fan operates only when heating or cooling. displays when the thermostat is calling for the fan in this zone. NOTE: The thermostat may delay turning on the fan until another zone ZONING has completed its call for heat or cool before
  • Honeywell T8665A1002 | User Guide - Page 15
    Setting Temporary Temperatures You can override the current schedule period to temporarily change the temperature setting until the next schedule period, or you can change and hold the temperature setting indefinitely. You can also change the temperature setting until a designated day and period (
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    Press the Run Program key to cancel the temporary temperature setting before the designated time. Run Program Temporary AM System Heat Fan Mon Heat Auto M14564 After selecting a temporary setting, the display reads "Temporary" until canceled. Example display shows temporary heat setting of 70
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    The display changes from the setpoint to the room temperature after approximately three seconds. Heat Auto M14565 Press Hold Temp key once to display the thermostat in Hold mode. Example display shows temporary heat setting of 60°. Press Run Program key to cancel hold. Run Program 17 69-1536-3
  • Honeywell T8665A1002 | User Guide - Page 18
    Auto IMPORTANT To cancel the Vacation Hold before the designated time, press Run Program key. M14833 Press Hold Temp key twice to display the thermostat in Vacation mode. Example display shows temporary heat setting of 60°. Setting System Heat 2. Press Time or Time until the desired number of
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    temperature is used when the System 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. Setting System Heat Hold for Days Fan Return Heat In this
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    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. ZONING Pressed the wrong key? Want to start over? Don't worry! Run You can always press Program to return display to normal. 20 69
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    uses three AA alkaline batteries. Batteries must be installed for programming and operation of the thermostat and heating (cooling system). The batteries are located in the wallplate. See illustration. IMPORTANT Although the thermostat has a low battery indicator, replace the batteries once
  • Honeywell T8665A1002 | User Guide - Page 22
    is blank, 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 causing damage to the thermostat and the wall surface. Honeywell recommends Energizer® batteries. 22 69-1536-3
  • Honeywell T8665A1002 | User Guide - Page 23
    Using the (Information) Key The (information) key provides information at your fingertips. The sequence of key presses is: • Current setpoint of mode in use (Heat or Cool). • Setpoint of mode not currently in use. Tue Wake Displaying Current Settings Press key once to check the current
  • Honeywell T8665A1002 | User Guide - Page 24
    Display or Reset Filter Timer Settings When the thermostat activates a timer, the thermostat flashes Filter until the timer resets. 1. Reset the it is not currently activated, check the Installation Instructions at www.honeywell.com/yourhome or call 1-800-4681502. Filter Days M20244 24 69-1536-3
  • Honeywell T8665A1002 | User Guide - Page 25
    SETTING THE CLOCK Setting Current Day and Time Set Day/Time PM On initial power up or after an extended power loss, "1:00 PM" flashes on the display until a key is pressed. Mon 1. Press Set Current Day/Time key. Set Current Day/Time Press Set Current Day/Time key to show information
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    2. Press Day key until the current day displays. Day Mon = Monday, Tue = Tuesday, Wed = Wednesday, 60 70 80 90 Thu = Thursday, Fri = Friday, Sat = Saturday, 60 70 80 90 Sun = Sunday. Tue Set Day/Time PM 3. Press Time or Time key until the current time displays. Press Day key to set the
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    Daylight Saving Time NOTE: If the current time is Daylight Saving Time, press Daylight Time key to display "DST." Daylight Time Pressing Daylight Time key more than once 60 70 80 90 within a five minute period scrolls you through 60 70 80 90 various time options (example: one hour earlier or
  • Honeywell T8665A1002 | User Guide - Page 28
    7-Day Program and Operation Your thermostat is 7-day programmable. 7-day programming means you can set your thermostat for four periods (Wake, Leave, Return and Sleep) and up to eight temperatures (four Heat and four Cool) for each day of the week. Each
  • Honeywell T8665A1002 | User Guide - Page 29
    Day Preprogrammed Schedule Your thermostat is preprogrammed with the schedule shown in Table 1 (same schedule for all days of the week). You may keep this schedule or develop your own. Before starting the programming procedure, use Table 2 to plan your schedule. Instructions: 1. Write the time you
  • Honeywell T8665A1002 | User Guide - Page 30
    Customizing Your Own 7-Day Schedule SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY TIME FAN H TIME FAN H TIME FAN H TIME FAN H TIME FAN H TIME FAN H TIME FAN H WAKE AUTO C AUTO C AUTO C AUTO C AUTO C AUTO C AUTO C Table 2. Your 7-Day Schedule. TIME ON FAN H TIME ON FAN H TIME ON FAN H
  • Honeywell T8665A1002 | User Guide - Page 31
    About Power Outages... 60 70 80 90 60 70 80 90 Don't worry! Your thermostat retains the schedule (preprogrammed or your own) for the life of the product. The time and day information is retained for a minimum of twenty minutes
  • Honeywell T8665A1002 | User Guide - Page 32
    1. Press the Wake key. Wake 2. Press Day key until the desired day displays. Day Set Program AM Setting System Heat Tue Wake Heat Fan Auto M14586 Press the Wake key to enter the program mode. Example display shows 6:00 AM on Tuesday with Heat set to 70°F. Set Program AM Setting System Heat
  • Honeywell T8665A1002 | User Guide - Page 33
    3. Press Time or Time key until the desired Wake time displays. TIME 60 70 80 90 The program times are in fifteen-minute intervals; 60 70 80 90 for example, 8:00, 8:15, 8:30. Set Program AM Setting System Heat Mon Wake Heat Fan Auto M14589 Press the Time or Time key to select the time
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    5. Press Fan key to modify fan operation. Selecting Auto means the fan runs only when the Fan 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 (
  • Honeywell T8665A1002 | User Guide - Page 35
    7. Press increase ▲ or decrease ▼ key until the desired temperature setpoint displays. Set Program AM Setting System Heat Mon Wake Cool Fan Auto M14592 Press increase ▲ or decrease ▼ to select the cooling Wake temperature. Example display shows the cooling Wake period set for 76°. 8. Press
  • Honeywell T8665A1002 | User Guide - Page 36
    be in the program mode to use the copy feature. Go to step 2 if the thermostat is 60 70 80 90 already in the program mode (set program displays in the upper Day key to select the day schedule to copy. Example display shows the thermostat in program mode with Monday ready to be copied. 36 69-1536-3
  • Honeywell T8665A1002 | User Guide - Page 37
    3. Press Copy key. Copy Mon M14594 Press Copy key to copy a day schedule into memory. Example display shows Monday schedule was copied into memory. 4. Press Day key until the day to be copied to is displayed. Day Mon Wed M14595 Press Day key again to select the day to copy to. Example display
  • Honeywell T8665A1002 | User Guide - Page 38
    5. Press Copy key. Copy NOTE: "donE" displays for two seconds before the normal display returns. M14596 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). 6.
  • Honeywell T8665A1002 | User Guide - Page 39
    Clearing a Program Period The thermostat must be in the program mode 60 70 80 90 to use the clear feature. Go to step 2 if the thermo- 60 70 80 90
  • Honeywell T8665A1002 | User Guide - Page 40
    periods; for example, Wake and 60 70 80 90 Sleep. If you clear only the Leave and Return periods for Saturday (or any day), the thermostat 60 70 80 90 remains in the Wake period for all of Saturday until the Sleep period. 4. Repeat steps, as necessary, for all the periods
  • Honeywell T8665A1002 | User Guide - Page 41
    TROUBLESHOOTING Symptom Display does not come on. Possible Cause Thermostat is not being powered. Temperature setting • Check if the batteries are correctly installed. • Check if the thermostat is mounted and latched on the wallplate-mount and latch the thermostat on the wallplate. Check that the
  • Honeywell T8665A1002 | User Guide - Page 42
    Troubleshooting (Cont) Symptom Cooling does not come on. Possible Cause System selection is in the Off position-set to the On position. Wait five minutes for the system to respond (thermostat displays " Wait"). Set System selection to Cool. Wait a minute after seeing the or and then check the
  • Honeywell T8665A1002 | User Guide - Page 43
    or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it (at Honeywell's option) within a reasonable period of time
  • Honeywell T8665A1002 | User Guide - Page 44
    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 time. In
  • Honeywell T8665A1002 | User Guide - Page 45
    CUSTOMER ASSISTANCE After 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. 45 69-1536-3
  • Honeywell T8665A1002 | User Guide - Page 46
    Government Printing Office, Washington, DC 20402. The user shall not make any changes or modifications to the equipment unless authorized by the Installation Instructions or User's Manual. Unauthorized changes or modifications could void the user's authority to operate the equipment. 46 69-1536-3
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  • Honeywell T8665A1002 | User Guide - Page 48
    Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 69-1536-3 G.H. Rev. 11-02 Printed in U.S.A. on recycled
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USER’S GUIDE
T8665A Chronotherm
®
IV
Wireless Thermostat
69-1536-3