Honeywell T8665C EnergyPro Owner's Manual

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Honeywell
T8665C,D,E EnergyPro™ Therm ostat
OWNER'S GUIDE
® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc.
All Rights Reserved
69-1538

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Summary of Contents for Honeywell T8665C EnergyPro

  • Page 1 Honeywell T8665C,D,E EnergyPro™ Therm ostat OWNER’S GUIDE ® U.S. Registered Trademark Copyright © 2003 Honeywell International Inc. All Rights Reserved 69-1538...
  • Page 2: Table Of Contents

    Contents Introduction........................... Using this G uide........................... Thermostat Features ........................Operating Your Thermostat ......................Setting the Clock .......................... 12 Programming Your Thermostat ....................25 Replacing the Batteries (T8665C Only)..................38 Adaptive Intelligent Recovery™ Control..................40 Troubleshooting (Table 3 ) ......................43 W arranty............................
  • Page 3: Introduction

    INTRODUCTION Congratulations on purchasing your new EnergyPro™ Thermostat. This exciting new product is designed to add a new level of service, energy savings and convenience to your home comfort system. As part of a larger system of products and services from your Energy Utility, your new thermostat allows you to take advantage of special programs offered through your Energy Utility.
  • Page 4 Although the EnergyPro™ Thermostat can be used standalone, it is intended to be part of a communicating system provided by your Energy Utility. Read this document thoroughly to take advantage of the convenience and energy saving benefits of using this product. 69-1538...
  • Page 5: Using This Guide

    USING THIS GUIDE The T8665C,D,E Communicating Thermostat uses two-way radio frequency (RF) to send and receive information. This information can be used to make changes to your thermostat settings, or settings from your Energy Utility. The following symbols will help you identify the features that apply to your system: - Tip symbol.
  • Page 6: Keyboard And Display Description

    See Fig. 2. WARNING: This product operates under provisions of Part 15 of the FCC Rules. Modifications to this product not specifically authorized by Honeywell may void the user’s authority to operate this device.
  • Page 7 TIM E ^ / ‘ SETS TIME (MY CHOICE) H O LD TEM P COPY COOL SETPOINTS WHILE PROGRAMMING PERIOD (0, 15, 30, 60, 90, 120 DAYS) M20893A Fig. 1. Thermostat keyboard description. 69-1538...
  • Page 8 S H O W S W H E N S H O W S S H O W S S H O W S T E M P E R A T U R E T E M P E R A T U R E T H E R M O S T A T T H E R M O S T A T D IS P LA Y E D IS T H E C U R R E N T...
  • Page 9: Thermostat Features

    THERMOSTAT FEATURES • Adaptive Intelligent Recovery™ Control for comfort and energy savings. • Customize the program schedule— program your own schedule to fit your needs. • Temporary schedule override—set the thermostat higher or lower for the current program schedule. • Permanent schedule override—set the thermostat higher or lower indefinitely.
  • Page 10 Set the filter indicator (0,15, 30,60, 90, or 120 days) to remind you to change the filter. Information at the press of a button—use the i (information) key to see the outdoor temperature (C7089B Outdoor Temper­ ature Sensor optional accessory), the current setpoints, or the filter status.
  • Page 11 Special Energy Saving Features The EnergyPro™ Thermostat supports Demand Response and Price Response Programs from your Energy Utility. If you have any questions concerning the application of this thermostat or these special programs and features, please contact your local Energy Utility.
  • Page 12 of this thermostat or these special programs and features, please contact your local Energy Utility. System ■ o : ^ c o o l 5AI/E 1 Ï Fan ------- S a t Room W ake : î® A uto M2 09 01...
  • Page 13 Pre-Cool and Pre-Heat Y o u r E n e r g y U tility m a y d e c id e to u s e th e P r e - c o o l / P r e - h e a t fe a tu r e t o s lig h tly r a is e o r lo w e r y o u r h o m e te m p e r a tu r e s e ttin g im m e d ia te ly p r io r to a D e m a n d R e s p o n s e e v e n t to m in im iz e th e e ffe c t o n y o u r c o m fo r t.
  • Page 14: Price Response

    Price Response If y o u r u tility o ffe r s a P r ic e R e s p o n s e P r o g ra m , t h is t h e r m o s t a t w o r k s w ith y o u r E n e r g y U tility to in fo r m y o u o f th e ra te in e ffe c t a t a n y g iv e n tim e a n d a u t o m a t ic a lly a d ju s t y o u r e n e r g y u s e fo r e a c h ra te .
  • Page 15 - System ■ O ■ Dool Critical i n.nn® IU-UU l " Fan Room : i * Auto W ake M20906 Display shows Critical rate in effect. System iwnA M IS ■ O ' $ Cool Fan------ Room Auto Wake M20903 Display shows High rate in effect.
  • Page 16 System ■ ! Sfr Cool 1"" Fan------ Room i * t Auto Wake M20904 Display shows M edium rate in effect. System ■ Cool / G O D Room Wake Auto M20905 Display shows Low rate in effect.
  • Page 17 My Choice T h e r e m a y b e t im e s w h e n y o u n e e d to c a n c e l a n e n e r g y - s a v in g e v e n t s u c h a s D e m a n d R e s p o n s e , P r e - h e a t o r P r e -c o o l.
  • Page 18: Operating Your Thermostat

    If t h e u tility d o e s n o t o ffe r th e M y C h o ic e fe a tu r e , p r e s s in g a n d h o ld in g th e R u n P r o g r a m k e y w ill n o t c a n c e l th e e n e r g y - s a v in g e v e n t.
  • Page 19: Setting The Clock

    even program the thermostat to return to your 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 THE CLOCK Setting Current Day and Time IMPORTANT Always press keys with your fingertip or similar blunt tool.
  • Page 20 Press Set Current Day/Time key. (Set Current] ^D ay/T Im e i . n r i u u p m Press Set Current Day/Time key to show information displayed. Setting the clock can be controlled as part of the system using two-way RF communication;...
  • Page 21 Mon = Monday, Tue = Tuesday, Wed = Wednesday, Thu = Thursday, Fri = Friday, Sat = Saturday, Sun = Sunday. K13l»EI7liH3 i . n r i u u p m M14581 Press Day key to set current day. Example display shows Tuesday.
  • Page 22 Tap Set Current Day/Time key to advance time in one-hour Set Current] increments. Day/Tim e J Press Run Program key to return to normal operation. C A M U - I - I Press Time A or Time V key to set current time. Example display shows 8:15 AM.
  • Page 23: Daylight Saving Time

    Daylight Saving Time NOTE: If current time is Daylight Saving Time, press Daylight Time key to display “DST.” Daylight Time B E W E V M O - 1C A M T u e D S T M 14 5 8 Î Press Daylight Time key to set Daylight Saving Time.
  • Page 24: Setting System And Fan Keys

    Pressing Daylight Tiime key more than once in a five-minute period scrolls you through various time options (example: one-hour earlier or later with or without DST). Pressing Daylight Time six times in a five-minute period returns you to your original setting. Setting System and Fan Keys Use the System and Fan keys to change the system and fan settings.
  • Page 25 A CAUTION Equipment Damage Hazard. Can cause permanent damage to the compressor or other equipment. To avoid possible compressor damage, allow compressor to remain off for five minutes before restarting. To avoid possible equipment damage, do not operate cooling when outside temperature is below 50°F (10°C).
  • Page 26 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. Em.Ht: Emergency heat is controlled as stage 1 heat.
  • Page 27: Setting Temporary Temperatures

    Setting Fan Key Press Fan key until desired mode -------- (On or Auto) displays: [ F a n ] On: Fan operates continuously. Auto: Fan operates only when heating or cooling. 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...
  • Page 28 Changing Tem perature to Tem porary Setting Until Next Schedule Period Press increase ▲ or decrease ▼ key until the desired temperature setpoint displays. T e m p o ra ry Setting ”i n° I L I W h i l e s e l e c t i n g t e m p o r a r y s e t t i n g , o n l y t h e...
  • Page 29 Press the Run Program key to cancel the temporary temperature [pro g rn a m l setting before the designated time. M14564 After selecting a tem porary setting, the display reads “Temporary” until cancelled. Example display shows tem porary heat setting o f 70° at 6:00 AM.
  • Page 30 If A or ▼ appears under temperature display, both heating and cooling setpoints are being adjusted. Tapping ▲ or ▼ key changes both heat and cool setpoints one degree. (Press i key after setpoint is reached to verify setpoints.) Changing and Holding Tem perature Setting Indefinitely Tempi [H o ld...
  • Page 31 NOTE: The Display changes from setpoint to room temperature after approximately three seconds. Press Run Program key to cancel hold. Press Hold Temp key once to display the therm ostat in Hold mode. Example display shows tem porary heat setting o f 60°. 69-1538...
  • Page 32 Changing Tem perature Setting Until a Designated Day and Period (Vacation Hold) P r e s s H o ld T e m p k e y tw ic e . S e t t i n g S v s l e m c n°i "...
  • Page 33 IMPORTANT To cancel Vacation Hold before desig­ nated time, press Run Program key. r@ ) P r e s s T im e A o r T im e V u n til d e s ir e d n u m b e r o f d a y s (1 t o 2 5 5 d a y s ) d is p la y s .
  • Page 34 P r e s s W a k e , L e a v e , R e tu r n o r S le e p k e y t o s e le c t th e p e r io d th e H o ld e n d s . W ake Leave R etu rn...
  • Page 35 N O T E : O n ly th e h e a tin g te m p e r a tu r e is u s e d w h e n S y s te m is s e t to H e a t. S im ila r ly , o n ly th e c o o lin g te m p e r a tu r e is u s e d w h e n S y s te m is s e t to C o o l.
  • Page 36 P r e s s H e a t/C o o l S e ttin g s k e y r H eal^ 00n t o c h a n g e b e tw e e n h e a t a n d l settings J c o o l s e ttin g s .
  • Page 37 Using the i (Information) Key ----- ------ ---------- - r®i r@ i INFORMATION KEY The i (information) key provides information at your fingertips in this sequence of key presses: • Outdoor temperature (if equipped). • Current setpoint of mode in use (Heat or Cool).
  • Page 38 If filter status is expired, refer to Filter Indicator section. Sequence of i key presses is: • Filter status. • Outdoor temperature (if equipped). • Current setpoint of mode in use (Heat or Cool). • Setpoint of mode not currently in use. Displaying Outdoor Tem perature Press key once to display outdoor temperature.
  • Page 39: Displaying Current Settings

    If filter status is expired, press i key twice to display outdoor temper- ature. See Filter Indicator section for instructions on resetting filter indicator. Displaying Current Settings Press i key twice to check current temperature setpoint. Press i key three times to check temperature setpoint of mode not currently in use.
  • Page 40 M208S Press key twice to display current setpoint. Example display shows cooling setpoint of 75°. Without outdoor temperature sensor, press i key once to display current setpoint; press i key twice for opposite setpoint. If filter status is expired, press i key three times to check current temper­...
  • Page 41: Filter Indicator

    Filter Indicator F IL T E R E X P IR A T IO N IN D IC A T O R Your thermostat monitors the amount of time the fan is running and lets you know when to replace the filter, based on the number of fan run-time days you select.
  • Page 42: Setting Or Resetting Filter Indicator

    Setting or Resetting Filter Indicator Your thermostat comes preset to a 30-day setting. To change this setting or reset after filter expiration: Press Filter key to enter Filter —. — . mode. [ F "le r ] Setting u u -I Filter Days Press Filter key to display filter information.
  • Page 43 S e t t in g n z i n U - I U F i l t e r D a y s H o ld d o w n F ilte r k e y to r e s e t c o u n te r. Press Time A or Time V until desired number of days display (0, 15, 30, 60, 90, 1 2 0...
  • Page 44 LED Indicators (T8665D Only) HEAT PUMP FAULT EQUIPMENT MONITOR LED MONITOR LED M 1 9 4 6 7 T w o L E D in d ic a to r s lo c a te d o n u p p e r rig h t o f th e th e r m o s ta t in d ic a te w h e n a H e a t P u m p F a u lt M o n ito r o r E q u ip m e n t M o n ito r s ig n a l is s e n t to th e th e rm o s ta t fro m th e s y s te m .
  • Page 45 Heat Pump Fault Monitor LED lights red when heat pump failure is detected. Switch thermostat to Em. Ht. and contact you heat pump service com­ pany. Heating with Em. Ht. HEAT PUMP is expensive, so act quickly. Successful Communication Indicator The thermostat periodically sends and receives messages.
  • Page 46: Programming Your Thermostat

    M 17763 PROGRAMMING YOUR THERMOSTAT 7-Day Program and Operation Your thermostat is 7-day programmable, which 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 day can be the same or different.
  • Page 47 Program Periods: WAKE—The program period when you want the house at a comfortable temperature when you get up and while you get ready for work or school. (This is a higher temperature during heating season and a cooler temper­ ature during cooling season.) LEAVE—The program period you can set for an energy saving temperature while you are away at work or school.
  • Page 48: Day Preprogrammed Schedule

    and a cooler temperature during cooling season and it follows the energy-saving LEAVE period. SLEEP—The program period you set for an energy-saving temperature while you are sleeping. This is a lower temperature during heating season and a higher temperature during cooling season and it follows the RETURN period.
  • Page 49 Instructions: Draw a circle around the fan operation 1. Write the time you want for each program you desire for each period. period. 2. Write the heating and cooling tempera­ tures you want for each period. Table 1 .7-Day Preprogrammed Schedule. WAKE LEAVE RETURN...
  • Page 50 Customizing Y our Own 7-Day Schedule Table 2. Your 7-Day Schedule. WAKE LEAVE RETURN SLEEP TIME TIME TIME TIME AUTO AUTO AUTO AUTO TIME TIME TIME TIME AUTO AUTO AUTO AUTO TUES TIME TIME TIME TI ME AUTO AUTO AUTO AUTO TI ME TI ME...
  • Page 51 Table 2. Your 7-Day Schedule. (Continued) WAKE LEAVE RETURN SLEEP THURS TIME TIME TI ME TI ME AUTO AUTO AUTO AUTO TI ME TI ME TI ME TI ME AUTO AUTO AUTO AUTO TI ME TI ME TI ME TI ME AUTO AUTO AUTO...
  • Page 52: Programming The First Day

    Programming the First Day To modify the preprogrammed schedule, start by programming the Wake time and temper­ ature and fan operation for any one day. Press the Wake key. (j* * e J kflUTPlTTnl .. System o -u u Setting Heat C .
  • Page 53 S y s t e m S e t t i n g Heat C.nn« L f 'L I U F a n - - M o n Auto H e a t W a k e M14588 P r e s s D a y k e y to s e le c t d a y to p ro g ra m . E x a m p le d is p la y s h o w s M o n d a y is s e le c te d a n d re a d y to p r o g ra m .
  • Page 54 c -zir i S y s t e m swanwnTnl S e t t in g H eat 1 r r U - - I U I LI Wake M14589 P re s s th e T im e o r T im e k e y to s e le c t tim e W a k e p e rio d w ill b e g in .
  • Page 55 B ig B S n ffilE T n l S e t t i n g S v s l e m c o°i O - Z i r i L f J U ..M o n H e a t W a k e Auto M14590...
  • Page 56 Press Fan key to modify fan ____ operation. Selecting Auto (^an ] means fan runs only when heating or cooling equipment is operat­ ing. Selecting On means fan runs contin­ uously for entire schedule period. . Press Heat/Cool Settings ____ key to make selections for (sSingfj opposite system setting...
  • Page 57 1 Q ° O - D U M on W a k e P r e s s H e a t/C o o l S e ttin g s k e y to s e le c t c o o lin g s y s te m ( if y o u p r e v io u s ly s e t h e a tin g te m p e r a tu r e ).
  • Page 58 Press ▲ increase or decrease ▼ key until desired temperature setpoint displays. System Setting Heat c o n * a - z tu M on C o o l W a k e Auto P re s s ▲ in c re a s e o r d e c r e a s e T t o s e le c t c o o lin g W a k e te m p e r a tu r e .
  • Page 59: Copying A Day

    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. Press Run Program key to return to normal operation.
  • Page 60 Press Wake, Leave, Return or Sleep key to enter program mode. Sleep Press Day key to select the — day to copy from. [D a y c-zin K r a i î n i T f T E ï ï f l S e t t i n g S y s l e m C 0°!
  • Page 61 Press Copy key. M o n Press Copy key to copy a day schedule into memory. Example display shows Monday schedule was coped into memory. Press Day key until day to be copied to is displayed.
  • Page 62 i_ u _ « . 1 _______ L LI M o n M14595 P re s s D a y k e y a g a in to s e le c t th e d a y to c o p y to . E x a m p le d is p la y s h o w s M o n d a y a n d W e d n e s d a y .
  • Page 63 ___ c QUI IL P r e s s C o p y k e y a g a in to c o m p le te c o p y c o m m a n d . E x a m p le d is p la y s h o w s “ d o n E ” . M o n d a y s c h e d u le w a s s u c c e s s fu lly c o p ie d to W e d n e s d a y (M o n d a y a n d W e d n e s d a y n o w h a v e th e s a m e s c h e d u le ).
  • Page 64: Clearing A Program Period

    Clearing a Program Period Thermostat must be in program mode to use clear feature. Go to step 2 if thermostat is already in program mode (Set Program displays in upper left corner. Press Leave, Return or Sleep key to enter program mode. R eturn S le e p 69-1538...
  • Page 65 tiia iaiiiiim iii Setting Svstem n .n n « C D°i o-uu j.F i... L I L Heat Leave M14597 P r e s s L e a v e , R e tu rn , o r S le e p to e n te r th e p r o g r a m m o d e .
  • Page 66 Press and hold Leave, Return or Sleep key until start time and temperature set­ ting clear (approximately three seconds). ^ R e t u r n j Sleep S e ttin g S a t H e a t L e a v e P re s s a n d h o ld L e a v e , R e tu rn o r S le e p k e y to c le a r th e p e rio d fo r th a t d a y .
  • Page 67 You do not have to program a replacement time for the remaining periods; for example, Wake and Sleep. If you clear only Leave and Return periods for Saturday (or any day), thermostat remains in Wake period for all of Saturday until Sleep period.
  • Page 68: Replacing The Batteries (T8665C Only)

    REPLACING THE BATTERIES (T8665C ONLY) IMPORTANT Three AA alkaline batteries are included with the thermostat. Batteries must be installed for programming and operation of the thermostat and the heating/cooling system. Install batteries in wallplate so positive terminals all point up (as shown). If the thermostat is already mounted on the wall, remove the thermostat by placing your thumb between the...
  • Page 69 W A L L P L A T E...
  • Page 70 3. When batteries are running low, a REPL BAT message flashes for one to two months before batteries run out com­ pletely. Replace batteries as soon as pos­ sible after message flashes.
  • Page 71 MPORTANT Although thermostat has a low battery indicator, replace batteries yearly to prevent leakage and thermostat and heating/cooling system from shutting down due to lack of thermostat battery power. If you insert new batteries within 20 to 30 seconds of removing old batteries, the system retains current time and day.
  • Page 72: Adaptive Intelligent Recovery™ Control

    Always use fresh alkaline batteries. Non- alkaline batteries do not last as long and can leak, causing damage to the thermostat and wall surface. ADAPTIVE INTELLIGENT RECOVERY™ CONTROL Your new thermostat is so smart, it’s almost human. You perceive temperature from a variety of sources, not only from the air in the room, but also from your surrounding walls, windows and furnishings.
  • Page 73 reads both the temperature of the wall and in the air, and responds to temperature changes as little as one degree Fahrenheit, so room temperature is more likely to feel right to you and your family. 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 time you want to...
  • Page 74 How do you know when the system is in recovery? The thermostat displays “Recovery” whenever the thermostat activates Adaptive Intelligent Recovery™ control. (See display.) “Recovery” displays during recovery time from Sleep to Wake and from Leave to Return. - - System 5 - - W 5 Heat Fan-----...
  • Page 75 adjusts the next day’s recovery start 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. 3, Adaptive Intelligent Recovery™ control starts to recover at 5:00 AM and reaches the comfort temperature of 68°...
  • Page 76 At 7:00 AM System Operating in Comfort Mode ENERGY COMFORT RECOVERY FROM ENERGY SAVINGS ■ SAVINGS PERIOD PERIOD TIME TH E THERMO STAT USES THE SAME SCHEME TO RETURN GRADUALLY TO LOWER COM FORT TEM PERATURE DURING THE COOLING SEASON. IF In R e c o v e ry IS DISPLAYED, PR ESS TO SEE THE CO M FO RT SETPO INT.
  • Page 77: Troubleshooting (Table 3)

    TROUBLESHOOTING (TABLE 3) Table 3. Troubleshooting. Symptom Possible Cause Action Display does not Thermostat is not being Check if the thermostat is mounted and come on. powered. latched on the wallplate—mount and latch the thermostat on the wallplate. Check if the circuit breaker is tripped— reset the circuit breaker.
  • Page 78 Table 3. Troubleshooting. (Continued) Symptom Possible Cause Action Temperature The upper or lower Check that the temperature setpoints are setting does not temperature limits were Heating: 40 to 90° (4.5 to 32 °C). change (Example: reached. Cooling: 45 to 99° (7 to 37 °C). cannot set the heating higher or the cooling lower).
  • Page 79 Table 3. Troubleshooting. (Continued) Symptom Possible Cause Action Heating does not The thermostat is part of a If thermostat indicates SAVE, wait until come on. Demand Response event. energy saving event is complete. To cancel energy saving event, if available, No power to thermostat.
  • Page 80 Table 3. Troubleshooting. (Continued) Symptom Possible Cause Action Cooling does not The thermostat is part of a If thermostat indicates SAVE, wait until come on Demand Response event. energy saving event is complete. To cancel energy saving event, if available, No power to thermostat.
  • Page 81 Table 3. Troubleshooting. (Continued) Symptom Possible Cause Action System on Heating/cooling equipment Wait a minute after seeing the (S ) indicator— turns on the fan when the and then check the registers. equipment has reached the for heat; for cool— preset time or temperature.
  • Page 82 Table 3. Troubleshooting. (Continued) Symptom Possible Cause Action Room temperature Thermostat is operating in If PrE does not display, contact your local is cooler than Pre-cool mode. If the heating contractor or Energy Utility. current setting and thermostat displays PrE, air conditioner is wait until the Pre-cool event still running.
  • Page 83 Table 3. Troubleshooting. (Continued) Symptom Possible Cause Action 1COM is displayed. The thermostat is unable to Contact your energy utility for assistance. communicate with Energy Utility management system controller. Heat or cool turns Adaptive Intelligent Adaptive Intelligent Recovery™ control on before Recovery™...
  • Page 84: Warranty

    (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. If the product is defective:...
  • Page 85 . Honeywell’s sole responsibility shall be to repair or replace the product within the terms stated above. H O NEYW ELL...
  • Page 86 If you have any questions concerning this warranty, please write our Honeywell Customer Relations, 1985 Douglas Drive North, Golden Valley, MN 55422. In Canada, write Retail Products O N 15-02H , Honeywell Limited/Honeywell Limitée,...
  • Page 87: Customer Assistance

    CUSTOMER ASSISTANCE After reading this guide, if you have any questions about the operation of your thermostat, please visit the Honeywell website at www.honeywell.com/yourhome. For service, contact your Installer or Energy Utility company or service provider. 69-1538...
  • Page 88 Honeywell Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A. on recycled © 69-1538 G.H. 04-03 www.honeywell.com/yourhome paper containing at least 10%...

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