Honeywell CT3600 User's Manual
Contents
1. TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT 10614 69 1642 2 TIME S TIME DIGITAL DISPLAY SETS TIME FORWARD OR BACK A RAISES TEMPERATURE SETTING SET CURRENT DAY TIME V LOWERS SETS CURRENT 2 TEMPERATURE SETTING TIME AND DAY 1 DISPLAYS CURRENT HEAT COOL RUN PROGRAM TEMPERATURE SETTING RETURNS THERMOSTAT a See PROGRAM PERIODS TO NORMAL eeo WAKE LEAVE RETURN SLEEP OPERATING MODE ENTERS PROGRAMMING MODE 6 Day Time Heat Cool HOLD TEMP __ SWITCH SETS A HOLD oy Q CA 05 SELECTS HEAT OFF COOL TEMPERATURE FERE SETTING AND Daylight Copy Usage i EE ACTIVATES FAN SWITCH VACATION HOLD SELECTS AUTO ON FEATURE DAY HEAT COOL SETTING SETS DAY OF COPY SWITCHES BETWEEN THE WEEK COPY SETTINGS FROM HEAT SETPOINTS AND ONE DAY TO ANOTHER DAY eee A lea FOR QUICK PROGRAMMING TIME OR DAYLIGHT USAGE SAVINGS TIME TRACKS EQUIPMENT RUNTIME 18635 3 69 1642 DISPLAYS EITHER CURRENT SHOWS THERMOSTAT IS IN TIME OF DAY OR PROGRAM TIMES THE SET DAY TIME MODE SHOWS WHEN THERMOSTAT IS IN THE SHOWS TEMPERATURE SETTING PROGRAMMING MODE CHANGED FOR THIS PROGRAM PERIOD HOLD ON S SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT Set Program Set Day Time Temporary Setting SET TEMPERATURE S2. 12 To change time format a a Press once Press to return to main display Factory Set Function Feature Number 37 Do not change this setting 1 1 STEP 9 SET THE CLOCK DIET Set Current Day and Time NOTE initial power up the screen flashes 1 00 pm until you press a key a a Press zoo Press until screen shows current day Press Time C or until screen shows current time Tapping the will advance the time in one hour increments Press until DST displays if daylight savings time is in effect Press 13 69 1642 STEP 10 PROGRAMMING The keyboard is located behind the thermostat cover The three most frequently used keys are near the display Pressing displays the current temperature settings Pressing the and keys change the temperature The thermostat displays day time program period temperature and system settings There is an individual key for each of the four program periods 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 the heating season and a lower temperature during the cooling season J 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 the heating season and a higher temperature during the cooling Season The program period when
3. Stage Heat Pump Yes Multistage Heat Pumps Multistage Equipment No Rodgers no 1361 zone valves Millivolt system must be heating only 5 Not compatible with any 120 240 volt system Package Contents Thermostat Wallplate Wiring labels Owner s Guide Tools Required Screwdriver Drill Compatible with 2 wire Honeywell and Taco zone valves Not compatible with 3 wire zone valves or 2 wire White Screws and anchors 69 1642 STEP 2 REMOVE OLD THERMOSTAT Test your heating and cooling systems to make sure they work properly If either system does not work contact your local heating air conditioning dealer To avoid compressor damage do not operate the cooling system when outdoor temperature is below 50 F 10 Turn off power to the system at the furnace or the fuse circuit breaker panel Carefully unpack your new thermostat and wallplate Save package of screws instructions and receipt Remove the cover from the old thermostat If the cover does not snap off when pulled firmly from the bottom check for a screw or screws used to lock on the cover Loosen the screw or screws holding the thermostat to the wallplate and lift the thermostat away Disconnect the wires from the old thermostat As you disconnect each wire attach the enclosed labels with the old terminal designation If there are only two wires they do not need to be labeled Wrap the wires around a pencil as shown to keep them from falling
4. back into the wall Special Installations Read this section if you are replacing Clock thermostat with separate wires for the clock Thermostat with six or more wires connected to it Thermostat in a heating only system with three wires OO WIRES THROUGH WALL OPENING Replacing a Clock Thermostat that has C or C1 Clock Terminals If you are replacing a Honeywell Chronotherm Thermostat you may find one or two wires going to the C or C1 clock terminals on the Chronotherm wiring wallplate Do not allow them to touch or you can damage the transformer Disconnect the wires and wrap them separately using electrical tape Do not wrap them together Place the wires where they will not interfere with the operation of the new thermostat Record the colors and terminal designation labels of the remaining wires M5136 Replacing a Thermostat that has Six or More Wires If there are six or more wires excluding clock wires attached to terminals you probably have a variation of a multistage heat pump or other multistage system This thermostat is not compatible with multistage systems so return the product to the place of purchase For information about which programmable thermostats will work with your system call Honeywell Customer Relations Center at 1 800 468 1502 Replacing a Thermostat that has Three Wires If you have three wires for a heating only system and can operate the fan using the fan ON switch this thermo
5. cleared Press m for the program period you want to clear Press until the desired day displays Press and hold the Ce for approximately 3 seconds until the time and temperature clear Repeat the above steps for each period to be cleared Press ec STEP 11 OPERATING YOUR THERMOSTAT Oo oOo oO Change Temperature Setting Until the Next Program Period Temporary Change Q Press or until the screen shows the desired temperature setting NOTE The temporary temperature setting is displayed for about 3 seconds and then the room temperature is dis played Temporary appears in the display The setting cancels when the next program period starts or when you press 17 69 1642 Change Temperature Setting Indefinitely Hold Move the System switch to the desired position Heat or Cool Press then 4 to change your setting if desired The display changes from showing the setpoint temperature to room temperature after approximately three seconds To cancel Hold press Change the Temperature Setting Until a Designated Day and Period Vacation Hold Press twice Press or until the display shows the desired temperature setpoint Press Time Co until the desired number of days that you will be away 1 through 255 is displayed Press m to select the program period when you want the program to restart NOTE Vacation Hold n
6. you want the house at a comfortable temperature for activities before bedtime This is a higher temperature during the heating season and a lower temperature during the cooling Season The program period you can set for an energy saving temperature while you are sleeping This is a lower temperature during the heating season and a higher temperature during the cooling season 69 1642 14 Table 3 be helpful when planning your schedule of time and temperature settings thermostat default settings are shown in parentheses Table 3 Personal Programming Table Period Wake Default Setting Time 6 00AM Monday Mon Tuesday Tue Wednesday Wed Thursday Thu Friday Fri Saturday Sat Sunday Sun Heat 70 F 21 C Cool 78 F 25 5 C Leave Time 8 00AM Heat 62 F 16 5 C Cool 85 F 29 5 C Return Time 6 00PM Heat 70 F 21 C Cool 78 F 25 5 C Sleep Time 10 00PM Heat 62 F 16 5 C Cool 82 F 28 C Your heating setpoints cannot be higher than 90 F 32 C or lower than 40 F 4 5 C gt Your cooling setpoints cannot be higher than 99 F 37 C or lower than 45 F 7 C Program the First Day Start by programming the wake time and temperature for one day Press and release Ce Press until the desired day displays Mon Tue Wed
7. AMPER VALVE COIL POWER SUPPLY PROVIDE A DISCONNECT MEANS AND OVERLOAD DISCONNECT MEANS AND POWER SUPPLY PROVIDE PROTECTION AS REQUIRED M10619 OVERLOAD PROTECTION AS REQUIRED 18738 This thermostat is a Class digital apparatus that complies with Canadian Radio Interference Regulations CRC c 1374 23 69 1642 Limited One Year Warranty Honeywell warrants this product excluding battery to be free from defects in the workmanship 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 Honeywells option within a reasonable period of time If the product is defective i return it with a bill of sale or other dated proof of purchase to the retailer from which you purchased it or ii package it carefully along with proof of purchase including date of purchase and a short description of malfunction and mail it postage prepaid to the following address Honeywell USA Honeywell Canada Dock 4 MN10 3860 Honeywell Limited Honeywell Limit e 1885 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 3992 Scarborough Ontario M1V 4Z9 This warranty does not cover removal or reinstallation costs This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused
8. H and terminals are present on existing thermostat remove jumper and connect Rh to R and to Rc 5 Do not connect both and B when wiring to a single stage heat pump Connect O to O Tape off B Tape off end of the wire with electrical tape and push the taped wire back into the wiring hole in the wall STEP 5 INSTALL THE BATTERIES IMPORTANT Install three AA alkaline batteries Batteries must be installed for programming and operation of the thermostat and the heating cooling system point up see illustration Install the batteries in the wallplate so the positive terminals all If the thermostat is already mounted on the wall remove the thermostat by placing your thumb between the thermostat and wallplate and pulling the thermostat up and away as shown WALLPLATE INSTALL 3 AA ALKALINE BATTERIES AS SHOWN POSITIVE TERMINALS TOWARD TOP M10622 69 1642 When the batteries are running low REPL BAT message flashes for one to two months before the batteries run out completely Replace the batteries as Soon as possible once the message flashes IMPORTANT Although the thermostat has a low battery indicator replace the batteries once per year to prevent leakage and to prevent the ther mostat and heating cooling system from shutting down due to lack of battery power in the thermostat If you insert new batteries within 20 to 30 seconds of removing the old batteries the system retains the curre
9. HOWS CURRENT Poder pm DAY OR DAYS BEING am Room lt SHOWS THE TEMPERATURE PROGRAMMED Em LU 2 J J DISPLAYED IS THE CURRENT ROOM TEMPERATURE MonrueVwedThuFrisatsun Days SHOWS CURRENT WekeLeaveRetumSleep In Recovery Batt SHOWS THE BATTERIES ARE System DST LOW AND MUST BE PROGRAMMED Heat W t OFF Cool 0 wy OF REPLACED DISPLAYS EITHER ROOM SHOWS CURRENT SYSTEM KEY POSITION ORSET TEMPERATURES HEAT OFF COOL SHOWS THAT THERMOSTAT IS SHOWS SMART RESPONSE IS OFF CALLING FOR HEAT b OR COOL CONVENTIONAL RECOVERY IS ON SHOWS SYSTEM ON DAYLIGHT SAVINGS TIME SHOWS SMART RESPONSE IS CHANGING SHOWS THERMOSTAT IS PROCESSING THE TEMPERATURE TO MEET THE INFORMATION AND WAITING TO CALL FOR HEAT OR COOL CURRENT PROGRAMS 16421 69 1642 4 STEP 1 FOR INSTALLATION Table 1 Compatibility Chart Check Table 1 the compatibility chart to make sure the thermostat is compatible with your system If your system is not compatible call Honeywell Customer Relations Center toll free 1 800 468 1502 Compatibility with CT3600 System Type CT3697 Gas Standing Pilot Yes Gas Electronic Ignition Yes Gas fired Boilers Yes Gas 750 Millivolt Heat only Yes Oil Fired Boilers Yes Oil Fired Furnace Yes Electric Furnace Yes Electric Air Conditioning Yes Baseboard Electric 120 240 line volt No Single
10. Honeywell Honeywell CT3600 CT3697 PROGRAMMABLE THERMOSTAT OWNER S GUIDE Seven Day Programmable Heat and or Cool Low Voltage 20 to 30 Vac Thermostat and Wallplate Model CT3600 CT3697 Para obtener un documento con las instrucciones en espa ol por favor visite nuestro sitio de web a www honeywell com yourhome Pour obtenir des notices techniques en fran ais veuillez consulter notre site web www honeywell com yourhome Contents Step 1 Prepare Tor lristallatiOEi ch ites ead etc Ter nee Step 2 Remove Old Thermostat Step Mount Thermostat Wallplate 22 222 1 0000000 001 6 0 0 7 Step 4 Wire Wallplate Terminals Step 5 Install the Batteries Step 6 Set Fan Operation Switch 1 Step 7 Mount the Thermostat 9 8 Customize Your Thermostat 2 ciconia Lee uico eux EN Rua e MM ADR 11 Step 9 Set the Clock Step 10 Programming Step 11 Operating Your Thermostat issnin 17 Step 12 Set the Fan and System Switches 19 If You Have a Problem Smart Response Technology STAY UT ns fl Diagram S s
11. N 55422 Scarborough Ontario MIV 479 Printed in U S A on recycled 69 1642 7 02 paper containing at least 10 www honeywell com yourhome post consumer paper fibers
12. Thu Fri Sat Sun Press time 9 C until the desired time shows in the display 69 1642 NOTE Program times 15 minute intervals For example 8 00 8 15 8 30 Press amp until the desired wake temperature displays The setpoint temperature range is 40 F to 90 F 4 5 C to 32 C for heating and 45 F to 99 F 7 C to 37 C for cooling Press to switch between setpoints NOTE Program times are the same for heating and cooling Press or amp until the display shows the desired temperature setpoint Press repeat these steps for each program period The First Day is now programmed Repeat each step in Program the First Day for the rest of the week NOTE After the first day is programmed you can copy that day to any other day using procedure in Copy a Day Press when the entire week is programmed Copy a Day Your thermostat can copy program settings from one day to another Press Ce Ce or to enter programming mode Press until the display shows the day you want to copy Press The display shows M13327 69 1642 16 Press until the display shows the day you want to copy to M13328 Press to accept the change done Repeat these steps for each day you want to copy NOTE donE appears for two seconds and then the normal program display appears 13329 Clear Program Period NOTE Wake cannot be
13. by damage which occurred while the product was in the possession of a consumer Honeywells sole responsibility shall be to repair or replace the product within the terms stated above HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY EXPRESS OR IMPLIED OR ANY OTHER FAILURE OF THIS PRODUCT Some states do not allow the exclusion or limitation of incidental or consequential damages so this limitation may not apply to you THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT THE DURATION OF ANY IMPLIED WARRANTIES INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY Some states do not allow limitations on 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 Honeywell Customer Relations 1885 Douglas Dr N Golden Valley MN 55422 3992 In Canada write Retail Products ON30 Honeywell Limited Honeywell Limit e 35 Dynamic Drive Scarborough Ontario M1V 4Z9 Honeywell Automation and Control Solutions Honeywell Honeywell Limited Honeywell Limit e 1985 Douglas Drive North 35 Dynamic Drive Golden Valley M
14. eeds to be cancelled before the designated time press to return to the program Daylight Savings Time Key This feature allows you to switch between standard time and daylight savings time Press during fall to set the time back one hour Press during the spring to set time forward one hour DST is displayed when operating on daylight savings time NOTE Pressing the Daylight Time key more than once in a five minute period scrolls you through various time options For 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 69 1642 18 Usage Key Press once to display the hours and minutes that the heating or cooling system has been operating for the current day Press a second time to display the system operating time for the previous day midnight to midnight Press a third time to display the system operating time since the last time the usage function was cleared NOTE Press for three seconds to clear the usage function STEP 12 SET THE FAN AND SYSTEM SWITCHES First set the fan switch On The fan runs continuously Use for improved air On Auto circulation or for more efficient central air cleaning In a heat only system fan runs continuously only if fan relay is Fan connected to the G thermostat terminal Fan Auto Normal setting for most homes The equip
15. hnology by selecting Conventional A IF In Recovery IS DISPLAYED PRESS 1 TO SEE THE COMFORT SETPOINT M18591 Recovery See Step 8 Customize Your Thermostat System Operating in Comfort Mode 530 6E m 68 F Recovery Continues Recovery Begins TEMPERATURE System Operating in Energy Savings Mode 21 69 1642 WIRING DIAGRAMS 2 WIRE HEAT ONLY JUMPER INTACT THERMOSTAT s rmn RC OW Y HEATING RELAY OR VALVE COIL A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 10616 3 WIRE HEAT ONLY WITH JUMPER INTACT THERMOSTAT s annnnn RC OW Y POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M10618 69 1642 22 Z power SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED THERMOSTAT 4 WIRE HEAT COOL JUMPER INTACT THERMOSTAT B RC OW Y HEATING RELAY OR VALVE COIL M10617 4 WIRE SINGLE STAGE HEAT PUMP JUMPER INTACT POWER SUPPLY PROVIDE DISCONNECT MEANS USE EITHER O OR B FOR HEAT PUMP CHANGEOVER USING A JUMPER WIRE NOT SUPPLIED CONNECT W TO Y 12739 AND OVERLOAD PROTECTION AS REQUIRED 5 WIRE HEAT COOL WITH DAMPER 5 WIRE HEAT COOL JUMPER INTACT JUMPER REMOVED THERMOSTAT s SAHAA agaaae HEATING HEAT RELAY OR D
16. ilar blunt tool Sharp instruments like pens and pencil points can damage the keyboard Press and hold down 2 68 and simultaneously until the screen shows You now can change any of these settings System Type Feature Number 4 System type options are FEATURE OPTION 1 Gravity or steam system NUMBER M13330 11 69 1642 3 Hot water high efficiency furnace 90 or better or single stage heat pump 6 Gas or oil forced air furnace preset 9 Electric furnace To change your system type Press until display shows your furnace or boiler type Press Time to move to next feature or to return to main display Smart Response Technology Feature Number 13 Smart Response technology options are 0 Smart Response technology on preset 1 Smart Response technology off M13343 To turn Smart Response technology on or off Press once Press Time C to move to next feature or to return to main display NOTE See Smart Response technology page 21 for information about this feature Temperature Format Feature Number 14 Temperature format options are I4 0 n 1 M13344 To change temperature format Press once Press Time Co to move to next feature or to return to main display Time Format Feature Number 16 Time format options are 0 12 hour clock preset 1 24 hour clock M13345 69 1642
17. ion line at 1 800 468 1502 Before calling please have the following information available Thermostat model number Located on back of thermostat Thermostat date code Located below model number Type of heating cooling system for example hot water warm air oil or gas Location and number of wires connected to the thermostat SMART RESPONSE TECHNOLOGY Your CT3600 CT3697 is actually a small computer The Smart Response technology calculates the correct time of day to turn on your heating or cooling system Smart Response technology considers the following information Air temperature Wall temperature The time of day when you want the comfort temperature established When the thermostat activates Smart Response technology the thermostat displays In Recovery changes the setpoint and turns on the system e Your CT3600 CT3697 Thermostat learns from experience Each day it checks how closely it hit the recovery target and then adjusts the next day s recovery start time accordingly It takes a few days after installation for BaF the thermostat to adjust to the local weather your lifestyle the construction ENERGY COMFORT of your home and your heating cooling 4 SAVINGS PERIOD 7 system THERMOSTAT USES THE SAME SCHEME TO RETURN TO LOWER COMFORT TEMPERATURE DURING You can turn off Smart Response THE COOLING SEASON tec
18. ment On controls the fan operation ee Fan Th t th t Heat The th tat control heati tem en set the system ea e thermostat controls your heating system Heat Off Switch System Off Both the heating and air conditioning systems are off Heat Qr System 0 Cool The thermostat controls your air conditioning system Heat ft Cool System 19 69 1642 IF YOU HAVE A PROBLEM Table 4 Solution Guide If Then Display does not appear Make sure the batteries are installed correctly Make sure the thermostat is mounted and latched on the wallplate Mount and latch the thermostat on the wallplate if it is not Temperature settings will not change example cannot set the heating higher or the cooling lower Make sure the temperature setpoints are 40 to 90 F 4 5 to 32 C for heating 45 to 99 F 7 to 37 C for cooling Heating does not come on Make sure the heating setpoint is above the room temperature Make sure the circuit breaker is not tripped and reset it if necessary Make sure the power switch at the equipment is in the On position and set it to On if it is in the Off position Wait five minutes for the system to respond Setthe system switch to Heat Cooling does not come on Make sure the cooling setpoint is below the room temperature Make sure the circuit breaker i
19. nt time and day If the display is blank the batteries are dead or installed incorrectly You must reset the time and day Refer to Set the Clock for instructions M16424 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 the thermostat and the wall surface STEP 6 SET FAN OPERATION SWITCH The thermostat fan operation switch labeled FUEL SWITCH is factory set in the F position This is the correct setting for most systems If your system is an electric heat system set the switch to E The E setting allows the fan to turn on immediately with the heating and cooling in a system where the G terminal is connected FUEL SWITCH M12676 69 1642 10 STEP 7 MOUNT THE THERMOSTAT ENGAGE TABS AT OF THERMOSTAT AND WALLPLATE B PRESS LOWER EDGE OF CASE TO LATCH M12703 STEP 8 CUSTOMIZE YOUR THERMOSTAT Your Honeywell CT3600 CT3697 Thermostat comes preset to the most commonly used settings The settings are Gas or oil forced air furnace Smart Response technology on Temperature F 12 hour clock format You can change any or all of these settings IMPORTANT Always press the keys with your fingertip or a sim
20. ocio els AM Copyright 2002 Honeywell OR Rights Reserved 6 9 1642 Total comfort temperature management with Smart Response Technology Congratulations You made a smart choice by purchasing your new Honeywell thermostat the smart thermostat that Keeps you comfortable by automatically calculating exactly when the furnace or air conditioning should go on to have the house at the desired comfort temperature by the time you wake up or return home Saves the maximum amount of energy and money by automatically remembering to adjust the temperature when you leave home or go to sleep Provides the ultimate in comfort and convenience It comes preprogrammed You can use the preprogrammed schedule or set your own This manual answers many of the questions that can arise as you become familiar and comfortable with your Honeywell thermostat the state of the art in home comfort controls Read these instructions carefully Failure to follow these instructions can damage the product or cause a hazardous condition Gf MERCURY NOTICE If this thermostat is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Contact your local waste management authority for instructions regarding recycling and the proper disposal of this control or of an old control containing mercury in a sealed tube La MERCURY SWITCH
21. rocedures call your local heat ing air conditioning contractor Refer to the labels you placed on the wires when you removed the old thermostat see illustration Match the letter of your old thermostat wire with the corresponding terminal letter on your new thermostat Refer to Table 2 Remove the factory installed jumper connecting terminals and RC if wires are connected to both of those terminals For wiring diagrams if needed see 22 23 Loosen the terminal screws Slip each wire beneath its matching terminal Wraparound and straight connections are both acceptable see illustration Tighten the terminals FOR WRAPAROUND INSERTION STRIP 7 16 IN 11 MM FOR STRAIGHT INSERTION STRIP 5 16 IN 8 MM nO M4826 M16425 Plug the hole in the wall with insulation to help prevent drafts from adversely affecting thermostat operation 69 1642 8 Table 2 Terminal Designations on Old and New Thermostats Terminal on Old Thermostat Connect To Description R RH2 4 V R Power Rc R Rc Power for cooling W W4 H Ww Heat Y Y M Y Cooling GF G Fan Changeover in cool Single stage heat pump only Bb B Changeover in heat Single stage heat pump only BP Do not connect Transformer common Wo Ho Do not continue installation Second stage heat alt soe ree ae Second stage cool If both R
22. s not tripped and reset it if necessary Make sure the system switch at the air conditioner is in the On position and set it to On if it is in the Off position Wait five minutes for the system to respond e Set the system switch to Cool System on indicator A heat cool is but no warm or cool air is coming from the registers Wait five minutes after seeing the flame or snowflake and check the registers again If no there is no hot or cool air coming from the registers refer to Heating does not come on or Cooling does not come on If all of this has been checked contact your local heating and cooling contractor Display flashes during programming The temperature setting limit has been reached The heating setting range is 40 F to 90 F 4 5 C to 32 C The cooling setting range is 45 F to 99 F 7 to 37 Temperature change occurs at the wrong times 1 Check the program times for the period in question 2 Make sure the AM and PM settings are correct 3 Make sure the current time and day settings are correct 4 Reprogram any incorrect settings NOTE If your thermostat is set for Smart Response technology the start times occur before your programmed comfort periods 69 1642 20 Customer Assistance Please read and follow the provided instructions for this thermostat For additional information go to www honeywell com yourhome or call our 24 hour automated informat
23. stat works with your system However some hot water zoned heating systems also have three wires Your thermostat will work only if you install an isolating relay on these systems For details call your local heating and or cooling contractor 69 1642 6 STEP 3 THERMOSTAT WALLPLATE a a a DO Separate the wallplate from the thermostat by placing your thumb or fingers between the bottom of the wallplate and the thermostat and pulling the wallplate up and away from the thermostat See illustration at right Position the wallplate on the wall Level the wallplate for appearance if desired Use a pencil to mark the two mounting holes that best fit the application Remove the wallplate from the wall Drill two 3 16 in holes in wall if drywall as shown For materials such as plaster or wood drill 7 32 in holes where marked Gently tap the provided anchors into the drilled holes until they are flush with the wall Reposition the wallplate over the holes Pull the wires through the wiring M16427 opening Loosely insert mounting screws into each of the holes Level the wallplate if desired Thermostat functions properly when not level Tighten mounting screws WALL WIRES a THROUGH WALL WALL ANCHORS 2 MOUNTING HOLES MOUNTING SCREWS M15044 7 69 1642 STEP 4 WIRE WALLPLATE TERMINALS IMPORTANT All wiring must comply with local codes and ordinances If unsure about household wiring p
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