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Honeywell CT3600/CT3697
PROGRAMMABLE THERMOSTAT
OWNERS GUIDE
Seven Day Programmable Heat and/or Cool
Low Voltage (20 to 30 Vac) Thermostat and Wallplate
Model CT3600/CT3697
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Contents
Step 1. Prepare for Installation ..........................................
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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
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TIME /TIME DIGITAL DISPLAY SETS TIME RAISES FORWARD OR BACK TEMPERATURE SETTING SET CURRENT DAY/TIME LOWERS SETS CURRENT TEMPERATURE SETTING TIME AND DAY DISPLAYS CURRENT HEAT/COOL RUN PROGRAM TEMPERATURE SETTING RETURNS THERMOSTAT PROGRAM PERIODS TO NORMAL WAKE/LEAVE/RETURN/SLEEP: Time Set Program OPERATING MODE Run Set Current ENTERS PROGRAMMING MODE Wake Leave Return Sleep Program Day/Time Heat Off Cool HOLD TEMP SYSTEM SWITCH Heat/Cool Hold Temp Day System Setti
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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 SHOWS VACATION SHOWS THE TEMPERATURE HOLD DURATION DISPLAYED IS THE CURRENT Temporary Setting Set Program Set Day/Time SET TEMPERATURE Hold for SHOWS CURRENT AM DAY OR DAYS BEING Em Ht Room SHOWS THE TEMPERATURE PROGRAMMED DISPLAYED IS THE CURRENT Humid Aux Ht ROOM TEMPERATURE MonTueWed
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STEP 1. PREPARE FOR INSTALLATION ❑ 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. Table 1. Compatibility Chart. Compatibility with CT3600/ System Type CT3697 Gas Standing Pilot Yes Gas Electronic Ignition Yes a Gas-fired Boilers Yes b Yes Gas 750 Millivolt Heat only a Oil-Fired Boilers Yes Oil-Fired Furnace Yes Electric Furnace Yes Ele
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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°C). ❑ 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 cov
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STEP 3. MOUNT THERMOSTAT WALLPLATE ❑ 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
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G Y W R STEP 4. WIRE WALLPLATE TERMINALS IMPORTANT All wiring must comply with local codes and ordinances. If unsure about household wiring procedures, 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 R a
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Table 2. Terminal Designations on Old and New Thermostats Terminal on Old Thermostat Connect To Description a RPower R, RH , 4, V a Rc Power for cooling Rc, R W, W , H W Heat 1 Y, Y , M Y Cooling 1 G, F G Fan O O Changeover in cool. (Single stage heat pump only). b b Changeover in heat. (Single stage heat pump only). B B c c b Do not connect. Transformer common C , X , B W , H Do not continue installation. Second stage heat. 2 2 Call 1-800-468-1502. Y Second stage cool. 2 a If both RH and R term
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90 60 80 70 When the batteries are running low, a 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 se
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STEP 7. MOUNT THE THERMOSTAT A. ENGAGE TABS AT TOP B. PRESS LOWER OF THERMOSTAT EDGE OF CASE AND WALLPLATE. 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 similar blunt tool.
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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. Run Program ❑ 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
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To change time format: ❑ Press once. Run Program ❑ Press to return to main display. Factory Set Function (Feature Number 37) Do not change this setting. M13346 STEP 9. SET THE CLOCK Set Current Day and Time NOTE: On initial power-up, the screen flashes 1:00 pm until you press a key. Set Current ❑Press . Day/Time Day ❑ Press until screen shows current day. Set Current ❑ Press Time or until screen shows current time. (Tapping the Day/Time will advance the time in one hour increments). Daylig
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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: Wake The program period when you want the house at a comfortable temperature when you get up and while you get read
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Table 3 can be helpful when planning your schedule of time and temperature settings. The thermostat default settings are shown in parentheses ( ). Table 3. Personal Programming Table. Monday Tuesday Wednesday Thursday Friday Saturday Sunday Period Default Setting (Mon) (Tue) (Wed) (Thu) (Fri) (Sat) (Sun) Wake Time (6:00AM) a Heat (70°F/21°C) b Cool (78°F/25.5°C) Leave Time (8:00AM) a Heat (62°F/16.5°C) b Cool (85°F/29.5°C) Return Time (6:00PM) a Heat (70°F/21°C) b Cool (78°F/25.5°C) Sleep Tim
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NOTE: Program times are in 15 minute intervals. For example, 8:00, 8:15, 8:30. ❑ Press or 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. Heat/Cool Settings ❑ Press to switch between setpoints. NOTE: Program times are the same for heating and cooling. ❑ Press or until the display shows the desired temperature setpoint. Leave Return Sleep ❑ Press , or and repeat these steps
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Day ❑ Press until the display shows the day you want to copy to. Mon Wed M13328 Copy ❑ Press to accept the change. ❑ Repeat these steps for each day you want to copy. M13329 NOTE: donE appears for two seconds and then the normal program display appears. Clear a Program Period NOTE: Wake cannot be cleared. Leave Return Sleep ❑ Press , , or for the program period you want to clear. Day ❑ Press until the desired day displays. Leave Return Sleep ❑ Press and hold the , , or for approximately 3 s
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Change Temperature Setting Indefinitely (Hold) ❑ Move the System switch to the desired position (Heat or Cool). Hold Temp ❑ Press then or to change your setting if desired. (The display changes from showing the setpoint temperature to room temperature after approximately three seconds). Run Program ❑ To cancel Hold press . Change the Temperature Setting Until a Designated Day and Period (Vacation Hold) Hold Temp ❑Press twice. ❑ Press or until the display shows the desired temperature se
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Usage Key Usage ❑ Press once to display the hours and minutes that the heating or cooling system has been operating for the current day. Usage ❑ Press a second time to display the system operating time for the previous day (midnight to midnight). Usage ❑ Press a third time to display the system operating time since the last time the usage function was cleared. Usage NOTE: Press for three seconds to clear the usage function. STEP 12. SET THE FAN AND SYSTEM SWITCHES First set the fan switch.
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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 Make sure the temperature setpoints are: (example; cannot set the heating higher 40 to 90°F (4.5 to 32°C) for heating. or the cooling lower). 45 to 99°F (7 to 37°C) for cooling. Heating does not c
