Page 2 - Total comfort temperature management with Smart ResponseTM; Keeps you comfortable; MERCURY NOTICE
69-1642 2 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 ...
Page 5 - STEP 1. PREPARE FOR INSTALLATION; Package Contents; System Type
5 69-1642 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. a Compatible with 2-wi...
Page 6 - STEP 2. REMOVE OLD THERMOSTAT; Special Installations; not; Replacing a Thermostat that has Six or More Wires
69-1642 6 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 (1...
Page 7 - STEP 3. MOUNT THERMOSTAT WALLPLATE; Tighten mounting screws.
7 69-1642 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 wal...
Page 8 - STEP 4. WIRE WALLPLATE TERMINALS; IMPORTANT
69-1642 8 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 illustr...
Page 9 - Table 2. Terminal Designations on Old and New Thermostats; STEP 5. INSTALL THE BATTERIES; Terminal on Old Thermostat
9 69-1642 Table 2. Terminal Designations on Old and New Thermostats a If both RH and R terminals are present on existing thermostat, remove jumper and connect Rh to R and R to Rc. b Do not connect both O and B when wiring to a single stage heat pump. Connect O to O. Tape off B. c Tape off end of the...
Page 10 - STEP 6. SET FAN OPERATION SWITCH
69-1642 10 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 y...
Page 11 - You can change any or all of these settings.
11 69-1642 STEP 7. MOUNT THE THERMOSTAT 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 a...
Page 12 - Smart ResponseTM Technology (Feature Number 13)
69-1642 12 — 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 t...
Page 13 - STEP 9. SET THE CLOCK; Set Current Day and Time
13 69-1642 To change time format: ❑ Press once. ❑ Press to return to main display. Factory Set Function (Feature Number 37) Do not change this setting. 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. ❑ Press . ❑ Press until ...
Page 15 - Program the First Day
15 69-1642 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. a Your heating setpoints cannot be higher than 90°F (32°C) or lower than 40°F (4.5°C). b Your cooling set...
Page 16 - Copy a Day
69-1642 16 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. ❑ Press to switch between setpoints...
Page 17 - Clear a Program Period; STEP 11. OPERATING YOUR THERMOSTAT
17 69-1642 ❑ Press until the display shows the day you want to copy to. ❑ Press to accept the change. ❑ Repeat these steps for each day you want to copy. NOTE: donE appears for two seconds and then the normal program display appears. Clear a Program Period NOTE: Wake cannot be cleared. ❑ Press , , o...
Page 19 - Usage Key; STEP 12. SET THE FAN AND SYSTEM SWITCHES
19 69-1642 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 t...
Page 20 - IF YOU HAVE A PROBLEM; Then...
69-1642 20 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...
Page 21 - Customer Assistance; Location and number of wires connected to the thermostat.; SMART RESPONSETM TECHNOLOGY; The time of day when you want the comfort temperature established.; In Recovery
21 69-1642 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 information line at 1-800-468-1502. Before calling, please have the following information available:• Thermo...
Page 22 - WIRING DIAGRAMS; -WIRE HEAT ONLY WITH FAN
69-1642 22 WIRING DIAGRAMS THERMOSTAT 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 HEATINGRELAY ORVALVE COIL B R RC O W Y G 2-WIRE HEAT-ONLY (JUMPER INTACT) M10616 M10617 THERMOSTAT 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 4-W...
Page 24 - Automation and Control Solutions; Limited One-Year Warranty
Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. 69-1642 G.H. 7-02 www.honeywell.com/yourhome Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, OntarioM1...