Owner's Manual
Page 1
... Clock ...13 Step 10. Remove Old Thermostat ...6 Step 3. Wire Wallplate Terminals ...8 Step 5. Install the Batteries ...9 Step 6. Operating Your Thermostat ...17 Step 12. Set the Fan and System Switches ...19 If You Have a Problem ...20 Smart Response™ Technology ...21 Wiring Diagrams ...22 ® U.S. Contents Step 1. Set Fan Operation Switch ...10 Step 7. Mount the Thermostat ...11 Step 8. Programming ...14 Step 11. 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...
... Clock ...13 Step 10. Remove Old Thermostat ...6 Step 3. Wire Wallplate Terminals ...8 Step 5. Install the Batteries ...9 Step 6. Operating Your Thermostat ...17 Step 12. Set the Fan and System Switches ...19 If You Have a Problem ...20 Smart Response™ Technology ...21 Wiring Diagrams ...22 ® U.S. Contents Step 1. Set Fan Operation Switch ...10 Step 7. Mount the Thermostat ...11 Step 8. Programming ...14 Step 11. 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...
Owner's Manual
Page 2
... instructions carefully. MERCURY SWITCH 69-1642 TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT M10614 2 the state of energy and money by the time you wake up or return home. • Saves the maximum amount of the art in comfort and convenience. Failure to sleep. • Provides the ultimate in home comfort controls. Read these instructions can use the preprogrammed schedule, or set your new Honeywell thermostat; the smart thermostat...
... instructions carefully. MERCURY SWITCH 69-1642 TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT M10614 2 the state of energy and money by the time you wake up or return home. • Saves the maximum amount of the art in comfort and convenience. Failure to sleep. • Provides the ultimate in home comfort controls. Read these instructions can use the preprogrammed schedule, or set your new Honeywell thermostat; the smart thermostat...
Owner's Manual
Page 3
... BACK SET CURRENT DAY/TIME SETS CURRENT TIME AND DAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE Run Program Set Current Day/Time Time Wake Set Program Leave Return DIGITAL DISPLAY RAISES TEMPERATURE SETTING LOWERS TEMPERATURE SETTING DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING PROGRAM PERIODS WAKE/LEAVE/RETURN/SLEEP: ENTERS PROGRAMMING MODE Sleep HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE Hold Temp Day Daylight Time Heat/Cool Settings Copy Usage Heat Off Cool System On Fan Auto SYSTEM SWITCH SELECTS HEAT/OFF/COOL FAN SWITCH...
... BACK SET CURRENT DAY/TIME SETS CURRENT TIME AND DAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE Run Program Set Current Day/Time Time Wake Set Program Leave Return DIGITAL DISPLAY RAISES TEMPERATURE SETTING LOWERS TEMPERATURE SETTING DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING PROGRAM PERIODS WAKE/LEAVE/RETURN/SLEEP: ENTERS PROGRAMMING MODE Sleep HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE Hold Temp Day Daylight Time Heat/Cool Settings Copy Usage Heat Off Cool System On Fan Auto SYSTEM SWITCH SELECTS HEAT/OFF/COOL FAN SWITCH...
Owner's Manual
Page 4
... THE SET DAY/TIME MODE SHOWS TEMPERATURE SETTING CHANGED FOR THIS PROGRAM PERIOD SHOWS VACATION HOLD DURATION SHOWS CURRENT DAY OR DAYS BEING PROGRAMMED SHOWS CURRENT PROGRAM PERIOD OR PERIOD BEING PROGRAMMED Set Program Set Day/Time Temporary Setting Hold for Em Ht AM Room Aux Ht Humid MonTueWedThuFriSatSun Days Outdoor WakeLeaveReturnSleep In Recovery Filter Repl Batt System DST Em Heat Off Cool Auto Wait SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT ROOM TEMPERATURE SHOWS THE BATTERIES ARE LOW...
... THE SET DAY/TIME MODE SHOWS TEMPERATURE SETTING CHANGED FOR THIS PROGRAM PERIOD SHOWS VACATION HOLD DURATION SHOWS CURRENT DAY OR DAYS BEING PROGRAMMED SHOWS CURRENT PROGRAM PERIOD OR PERIOD BEING PROGRAMMED Set Program Set Day/Time Temporary Setting Hold for Em Ht AM Room Aux Ht Humid MonTueWedThuFriSatSun Days Outdoor WakeLeaveReturnSleep In Recovery Filter Repl Batt System DST Em Heat Off Cool Auto Wait SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT ROOM TEMPERATURE SHOWS THE BATTERIES ARE LOW...
Owner's Manual
Page 5
... 2-wire Honeywell and Taco zone valves. PREPARE FOR INSTALLATION ❑ Check Table 1, the compatibility chart, to make sure the thermostat is not compatible, call Honeywell Customer Relations Center, toll-free, 1-800-468-1502. STEP 1. Compatibility Chart. Electronic Ignition Gas-fired Boilers Gas - 750 Millivolt Heat onlyb Oil-Fired Boilers Oil-Fired Furnace Electric Furnace Electric Air Conditioning Baseboard Electric (120/240 line volt)c Single Stage Heat Pump Multistage Heat Pumps/Multistage...
... 2-wire Honeywell and Taco zone valves. PREPARE FOR INSTALLATION ❑ Check Table 1, the compatibility chart, to make sure the thermostat is not compatible, call Honeywell Customer Relations Center, toll-free, 1-800-468-1502. STEP 1. Compatibility Chart. Electronic Ignition Gas-fired Boilers Gas - 750 Millivolt Heat onlyb Oil-Fired Boilers Oil-Fired Furnace Electric Furnace Electric Air Conditioning Baseboard Electric (120/240 line volt)c Single Stage Heat Pump Multistage Heat Pumps/Multistage...
Owner's Manual
Page 6
... Honeywell Customer Relations Center, at the furnace or the fuse/circuit breaker panel. ❑ Carefully unpack your new thermostat and wallplate. REMOVE OLD THERMOSTAT ❑ Test your local heating and/or cooling contractor. 69-1642 6 To avoid compressor damage, do not need to the place of purchase. WIRES THROUGH WALL OPENING Replacing a Clock Thermostat that has C or C1 Clock Terminals M5136 If you are only two wires, they work with...
... Honeywell Customer Relations Center, at the furnace or the fuse/circuit breaker panel. ❑ Carefully unpack your new thermostat and wallplate. REMOVE OLD THERMOSTAT ❑ Test your local heating and/or cooling contractor. 69-1642 6 To avoid compressor damage, do not need to the place of purchase. WIRES THROUGH WALL OPENING Replacing a Clock Thermostat that has C or C1 Clock Terminals M5136 If you are only two wires, they work with...
Owner's Manual
Page 8
... terminals. Wraparound and straight connections are connected to help prevent drafts from adversely affecting thermostat operation. 69-1642 8 Refer to the labels you removed the old thermostat (see illustration). ❑ Match the letter of those terminals. ❑ For wiring diagrams, if needed, see illustration). Refer to Table 2. ❑ Remove the factory-installed jumper connecting terminals R and RC if wires are both of your old thermostat wire with local codes and ordinances. WIRE WALLPLATE TERMINALS IMPORTANT All wiring...
... terminals. Wraparound and straight connections are connected to help prevent drafts from adversely affecting thermostat operation. 69-1642 8 Refer to the labels you removed the old thermostat (see illustration). ❑ Match the letter of those terminals. ❑ For wiring diagrams, if needed, see illustration). Refer to Table 2. ❑ Remove the factory-installed jumper connecting terminals R and RC if wires are both of your old thermostat wire with local codes and ordinances. WIRE WALLPLATE TERMINALS IMPORTANT All wiring...
Owner's Manual
Page 9
... continue installation. Second stage cool. c Tape off B. Terminal Designations on Old and New Thermostats Terminal on Old Thermostat Connect To Description R, RHa, 4, V R Power Rc, Ra Rc Power for programming and operation of the wire with electrical tape and push the taped wire back into the wiring hole in cool. (Single stage heat pump only). Cc, Xc, Bb Do not connect. Call 1-800-468-1502. b Do not connect both RH and R terminals are present on the wall, remove the thermostat...
... continue installation. Second stage cool. c Tape off B. Terminal Designations on Old and New Thermostats Terminal on Old Thermostat Connect To Description R, RHa, 4, V R Power Rc, Ra Rc Power for programming and operation of the wire with electrical tape and push the taped wire back into the wiring hole in cool. (Single stage heat pump only). Cc, Xc, Bb Do not connect. Call 1-800-468-1502. b Do not connect both RH and R terminals are present on the wall, remove the thermostat...
Owner's Manual
Page 10
... wall surface. They also can leak, causing damage to turn on immediately with the heating and cooling in the F position. SET FAN OPERATION SWITCH The thermostat fan operation switch, labeled FUEL SWITCH is factory set the switch to lack of removing the old batteries, the system retains the current time and day. Nonalkaline 60 70 80 90 batteries do not last as possible once the message flashes. If the display is blank, the batteries are running low, a REPL BAT message flashes...
... wall surface. They also can leak, causing damage to turn on immediately with the heating and cooling in the F position. SET FAN OPERATION SWITCH The thermostat fan operation switch, labeled FUEL SWITCH is factory set the switch to lack of removing the old batteries, the system retains the current time and day. Nonalkaline 60 70 80 90 batteries do not last as possible once the message flashes. If the display is blank, the batteries are running low, a REPL BAT message flashes...
Owner's Manual
Page 13
... change this setting. SET THE CLOCK M13346 Set Current Day and Time NOTE: On initial power-up, the screen flashes 1:00 pm until screen shows current day. ❑ Press Time or hour increments). Factory Set Function (Feature Number 37) Do not change time format: ❑ Press once. ❑ Press Run Program to return to main display. Set Current Day/Time ❑ Press Day until you press a key. ❑ Press . until screen shows current time. (Tapping the Set Current Day/Time will advance the time...
... change this setting. SET THE CLOCK M13346 Set Current Day and Time NOTE: On initial power-up, the screen flashes 1:00 pm until screen shows current day. ❑ Press Time or hour increments). Factory Set Function (Feature Number 37) Do not change time format: ❑ Press once. ❑ Press Run Program to return to main display. Set Current Day/Time ❑ Press Day until you press a key. ❑ Press . until screen shows current time. (Tapping the Set Current Day/Time will advance the time...
Owner's Manual
Page 14
... get ready 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 want the house at work or school. (This is a higher temperature during the heating season and a lower temperature during the cooling season). PROGRAMMING The keyboard is located behind the thermostat cover. The thermostat displays day, time, program period, temperature and system settings.
... get ready 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 want the house at work or school. (This is a higher temperature during the heating season and a lower temperature during the cooling season). PROGRAMMING The keyboard is located behind the thermostat cover. The thermostat displays day, time, program period, temperature and system settings.
Owner's Manual
Page 15
....5°C) Return Time (6:00PM) Heata (70°F/21°C) Coolb (78°F/25.5°C) Sleep Time (10:00PM) Heata (62°F/16.5°C) Coolb (82°F/28°C) a Your heating setpoints cannot be helpful when planning your schedule of time and temperature settings. Table 3 can be higher than 90°F (32°C) or lower than 45°F (7°C). b Your cooling setpoints...
....5°C) Return Time (6:00PM) Heata (70°F/21°C) Coolb (78°F/25.5°C) Sleep Time (10:00PM) Heata (62°F/16.5°C) Coolb (82°F/28°C) a Your heating setpoints cannot be helpful when planning your schedule of time and temperature settings. Table 3 can be higher than 90°F (32°C) or lower than 45°F (7°C). b Your cooling setpoints...
Owner's Manual
Page 16
...;C) for heating and cooling. ❑ Press or until the desired wake temperature displays. Copy a Day Your thermostat can copy program settings from one day to another. ❑ Press Wake , , Leave Return or Sleep to enter programming mode. ❑ Press Day until the display shows the day you can copy that day to any other day using procedure in Program the First Day for each step in Copy a Day. ❑ Press Run Program when the...
...;C) for heating and cooling. ❑ Press or until the desired wake temperature displays. Copy a Day Your thermostat can copy program settings from one day to another. ❑ Press Wake , , Leave Return or Sleep to enter programming mode. ❑ Press Day until the display shows the day you can copy that day to any other day using procedure in Program the First Day for each step in Copy a Day. ❑ Press Run Program when the...
Owner's Manual
Page 17
... the display. Clear a Program Period NOTE: Wake cannot be cleared. ❑ Press Run Program . STEP 11. NOTE: The temporary temperature setting is displayed for two seconds and then the normal program display appears. ❑ Press Day until the display shows the day you want to clear. ❑ Press Day until the desired day displays. ❑ Press and hold the , , or Leave Return Sleep for approximately 3 seconds until the screen shows the desired temperature setting.
... the display. Clear a Program Period NOTE: Wake cannot be cleared. ❑ Press Run Program . STEP 11. NOTE: The temporary temperature setting is displayed for two seconds and then the normal program display appears. ❑ Press Day until the display shows the day you want to clear. ❑ Press Day until the desired day displays. ❑ Press and hold the , , or Leave Return Sleep for approximately 3 seconds until the screen shows the desired temperature setting.
Owner's Manual
Page 18
... desired number of days that you will be cancelled before the designated time, press Run Program to return to the program. Daylight Savings Time Key This feature allows you to your setting if desired. (The display changes from showing the setpoint temperature to room temperature after approximately three seconds). ❑ To cancel "Hold" press Run Program . Change Temperature Setting Indefinitely (Hold) ❑ Move the System switch to the desired position (Heat or Cool). ❑ Press Hold Temp...
... desired number of days that you will be cancelled before the designated time, press Run Program to return to the program. Daylight Savings Time Key This feature allows you to your setting if desired. (The display changes from showing the setpoint temperature to room temperature after approximately three seconds). ❑ To cancel "Hold" press Run Program . Change Temperature Setting Indefinitely (Hold) ❑ Move the System switch to the desired position (Heat or Cool). ❑ Press Hold Temp...
Owner's Manual
Page 19
... display the system operating time since the last time the usage function was cleared. STEP 12. SET THE FAN AND SYSTEM SWITCHES First set the system switch. Fan Auto: Normal setting for more efficient central air cleaning. (In a heat-only system, fan runs continuously only if fan relay is connected to the G thermostat terminal). Cool: The thermostat controls your heating system. Off: Both the heating and air conditioning systems are off. Then set the fan switch. Fan On: The fan runs continuously. On Fan On Fan Heat...
... display the system operating time since the last time the usage function was cleared. STEP 12. SET THE FAN AND SYSTEM SWITCHES First set the system switch. Fan Auto: Normal setting for more efficient central air cleaning. (In a heat-only system, fan runs continuously only if fan relay is connected to the G thermostat terminal). Cool: The thermostat controls your heating system. Off: Both the heating and air conditioning systems are off. Then set the fan switch. Fan On: The fan runs continuously. On Fan On Fan Heat...
Owner's Manual
Page 20
... lit, but no hot or cool air coming from the registers, refer to 37°C) for heating. Temperature change • Make sure the temperature setpoints are installed correctly. • Make sure the thermostat is mounted and latched on indicator( = heat, = cool) is not tripped, and reset it if necessary. • Make sure the power switch at the wrong times. 1. Then... Wait five minutes after seeing the flame...
... lit, but no hot or cool air coming from the registers, refer to 37°C) for heating. Temperature change • Make sure the temperature setpoints are installed correctly. • Make sure the thermostat is mounted and latched on indicator( = heat, = cool) is not tripped, and reset it if necessary. • Make sure the power switch at the wrong times. 1. Then... Wait five minutes after seeing the flame...
Owner's Manual
Page 21
...; Air temperature. • Wall temperature. • The time of heating/cooling system (for this thermostat. M18591 21 69-1642 Smart Response technology considers the following information available: • Thermostat model number. (Located on back of thermostat). • Thermostat date code. (Located below model number). • Type of day when you want the comfort temperature established. For additional information, go to turn off Smart Response technology by selecting Conventional Recovery. TEMPERATURE System Operating in Comfort Mode...
...; Air temperature. • Wall temperature. • The time of heating/cooling system (for this thermostat. M18591 21 69-1642 Smart Response technology considers the following information available: • Thermostat model number. (Located on back of thermostat). • Thermostat date code. (Located below model number). • Type of day when you want the comfort temperature established. For additional information, go to turn off Smart Response technology by selecting Conventional Recovery. TEMPERATURE System Operating in Comfort Mode...
Owner's Manual
Page 22
.... 2 USE EITHER O OR B FOR HEAT PUMP CHANGEOVER. 3 USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO Y. WIRING DIAGRAMS 2-WIRE HEAT-ONLY (JUMPER INTACT) THERMOSTAT B RC O W Y R G 4-WIRE HEAT/COOL (JUMPER INTACT) THERMOSTAT B RC O W Y R G HEATING RELAY OR VALVE COIL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 M10618 69-1642 HEATING COOLING FAN RELAY OR CONTACTOR RELAY 1 VALVE COIL COIL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 4-WIRE SINGLE-STAGE HEAT PUMP (JUMPER INTACT) M10617 THERMOSTAT B RC...
.... 2 USE EITHER O OR B FOR HEAT PUMP CHANGEOVER. 3 USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO Y. WIRING DIAGRAMS 2-WIRE HEAT-ONLY (JUMPER INTACT) THERMOSTAT B RC O W Y R G 4-WIRE HEAT/COOL (JUMPER INTACT) THERMOSTAT B RC O W Y R G HEATING RELAY OR VALVE COIL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 M10618 69-1642 HEATING COOLING FAN RELAY OR CONTACTOR RELAY 1 VALVE COIL COIL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 4-WIRE SINGLE-STAGE HEAT PUMP (JUMPER INTACT) M10617 THERMOSTAT B RC...
Owner's Manual
Page 23
... DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 5-WIRE HEAT/COOL (JUMPER REMOVED) THERMOSTAT B RC O W Y R G 5-WIRE HEAT/COOL WITH DAMPER (JUMPER INTACT) THERMOSTAT B RC O W Y R G HEATING RELAY OR VALVE COIL 1 FAN RELAY COOLING CONTACTOR COIL 1 1 POWER SUPPLY. FAN RELAY 1 M18738 Notice: This thermostat is a Class B digital apparatus that complies with Canadian Radio Interference Regulations, CRC c. 1374. 23 69-1642 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M10619 HEAT DAMPER HEAT RELAY COMPRESSOR CONTACTOR COOL DAMPER 1 POWER...
... DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 5-WIRE HEAT/COOL (JUMPER REMOVED) THERMOSTAT B RC O W Y R G 5-WIRE HEAT/COOL WITH DAMPER (JUMPER INTACT) THERMOSTAT B RC O W Y R G HEATING RELAY OR VALVE COIL 1 FAN RELAY COOLING CONTACTOR COIL 1 1 POWER SUPPLY. FAN RELAY 1 M18738 Notice: This thermostat is a Class B digital apparatus that complies with Canadian Radio Interference Regulations, CRC c. 1374. 23 69-1642 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M10619 HEAT DAMPER HEAT RELAY COMPRESSOR CONTACTOR COOL DAMPER 1 POWER...
