Owner's Manual
Page 1
...çais, composer le 1-800-468-1502. Table of Contents OWNER'S GUIDE Step 1. Wire Wallplate Terminals ...8 Step 5. Registered Trademark Copyright © 2001 Honeywell • •All Rights Reserved Place Bar Code Here 69- 1285- 2 Programming ...13 Step 10. Honeywell CT3650 PROGRAMMABLE THERMOSTAT Seven Day Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Wallplate Model CT3650 Para pedir estas instrucciones en español, llame al...
...çais, composer le 1-800-468-1502. Table of Contents OWNER'S GUIDE Step 1. Wire Wallplate Terminals ...8 Step 5. Registered Trademark Copyright © 2001 Honeywell • •All Rights Reserved Place Bar Code Here 69- 1285- 2 Programming ...13 Step 10. Honeywell CT3650 PROGRAMMABLE THERMOSTAT Seven Day Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Wallplate Model CT3650 Para pedir estas instrucciones en español, llame al...
Owner's Manual
Page 2
... convenience. the state of this thermostat is replacing a control that can use the preprogrammed schedule, or set your new Honeywell thermostat; Failure to sleep. • Provides the ultimate in home comfort controls. Congratulations! You can arise as you have the house at 1-800-468-1502. You made a smart choice by automatically calculating exactly when the furnace or air conditioning should go to follow these instructions carefully.
... convenience. the state of this thermostat is replacing a control that can use the preprogrammed schedule, or set your new Honeywell thermostat; Failure to sleep. • Provides the ultimate in home comfort controls. Congratulations! You can arise as you have the house at 1-800-468-1502. You made a smart choice by automatically calculating exactly when the furnace or air conditioning should go to follow these instructions carefully.
Owner's Manual
Page 3
... Run Program Set Current Day/Time Hold Temp Day Daylight Time Copy Time Wake Heat/Cool Settings Fan System DAYLIGHT TIME SELECTS STANDARD TIME OR DAYLIGHT SAVINGS TIME COPY COPY SETTINGS FROM ONE DAY TO ANOTHER DAY FOR QUICK PROGRAMMING DIGITAL DISPLAY RAISES TEMPERATURE SETTING LOWERS TEMPERATURE SETTING DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING Set Program Leave Return Sleep PROGRAM PERIODS WAKE/LEAVE/RETURN/SLEEP: ENTERS PROGRAMMING MODE HEAT/COOL SETTING SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING SYSTEM KEY SELECTS HEAT/OFF/COOL FAN...
... Run Program Set Current Day/Time Hold Temp Day Daylight Time Copy Time Wake Heat/Cool Settings Fan System DAYLIGHT TIME SELECTS STANDARD TIME OR DAYLIGHT SAVINGS TIME COPY COPY SETTINGS FROM ONE DAY TO ANOTHER DAY FOR QUICK PROGRAMMING DIGITAL DISPLAY RAISES TEMPERATURE SETTING LOWERS TEMPERATURE SETTING DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING Set Program Leave Return Sleep PROGRAM PERIODS WAKE/LEAVE/RETURN/SLEEP: ENTERS PROGRAMMING MODE HEAT/COOL SETTING SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING SYSTEM KEY SELECTS HEAT/OFF/COOL FAN...
Owner's Manual
Page 4
... 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 Aux Ht Room Humid MonTueWedThuFriSatSun Days WakeLeaveReturnSleep In Recovery Filter Outdoor Repl Batt System DST Fan Em Heat Off Cool Auto Wait On Auto SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT ROOM TEMPERATURE SHOWS THE BATTERIES ARE LOW...
... 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 Aux Ht Room Humid MonTueWedThuFriSatSun Days WakeLeaveReturnSleep In Recovery Filter Outdoor Repl Batt System DST Fan Em Heat Off Cool Auto Wait On Auto 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
... 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. If your system. Table 1. Electronic Ignition System Type Gas-fired Boilers Gas - 750 Millivolt Heat Oil-Fired Boilers Oil-Fired Furnace Electric Furnace Electric Air Conditioning Baseboard Electric (120/240 line volt)b Single Stage Heat Pump Multistage Heat Pumps/Multistage Equipment Compatibility with CT3650...
... 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. If your system. Table 1. Electronic Ignition System Type Gas-fired Boilers Gas - 750 Millivolt Heat Oil-Fired Boilers Oil-Fired Furnace Electric Furnace Electric Air Conditioning Baseboard Electric (120/240 line volt)b Single Stage Heat Pump Multistage Heat Pumps/Multistage Equipment Compatibility with CT3650...
Owner's Manual
Page 6
...-1502. Replacing a Thermostat that has C or C1 Clock Terminals M5136 If you can operate the fan using electrical tape. Your thermostat will work , contact your system. REMOVE OLD THERMOSTAT ❑ Test your new thermostat and wallplate. Save package of screws, instructions, and receipt. ❑ Remove the cover from falling back into the wall. If the cover does not snap off power to touch, or you are replacing: • Clock thermostat with separate wires for a screw...
...-1502. Replacing a Thermostat that has C or C1 Clock Terminals M5136 If you can operate the fan using electrical tape. Your thermostat will work , contact your system. REMOVE OLD THERMOSTAT ❑ Test your new thermostat and wallplate. Save package of screws, instructions, and receipt. ❑ Remove the cover from falling back into the wall. If the cover does not snap off power to touch, or you are replacing: • Clock thermostat with separate wires for a screw...
Owner's Manual
Page 8
... 2. ❑ Remove the factory-installed jumper connecting terminals R and RC if wires are both of your old thermostat wire with the corresponding terminal letter on your local heating/air-conditioning contractor. If unsure about household wiring procedures, call your new thermostat. FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). Refer to both acceptable, (see illustration). ❑ Match the letter of those terminals. ❑ For wiring diagrams, if needed, see pp...
... 2. ❑ Remove the factory-installed jumper connecting terminals R and RC if wires are both of your old thermostat wire with the corresponding terminal letter on your local heating/air-conditioning contractor. If unsure about household wiring procedures, call your new thermostat. FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). Refer to both acceptable, (see illustration). ❑ Match the letter of those terminals. ❑ For wiring diagrams, if needed, see pp...
Owner's Manual
Page 9
... not connect. c Tape off B. Tape off end of the thermostat and the heating/cooling system. ❑ Install the batteries in heat. (Single stage heat pump only). Table 2. Terminal Designations on the wall, remove the thermostat by placing your thumb between the thermostat and wallplate and pulling the thermostat up (see illustration). ❑ If the thermostat is already mounted on Old and New Thermostats. Second stage heat. Second stage cool. Batteries must be installed for cooling W, W1, H W Heat Y, Y1, M Y Cooling G, F G Fan...
... not connect. c Tape off B. Tape off end of the thermostat and the heating/cooling system. ❑ Install the batteries in heat. (Single stage heat pump only). Table 2. Terminal Designations on the wall, remove the thermostat by placing your thumb between the thermostat and wallplate and pulling the thermostat up (see illustration). ❑ If the thermostat is already mounted on Old and New Thermostats. Second stage heat. Second stage cool. Batteries must be installed for cooling W, W1, H W Heat Y, Y1, M Y Cooling G, F G Fan...
Owner's Manual
Page 10
... a precaution when leaving home for instructions. Always use fresh alkaline batteries. ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE. If the display is blank, the batteries are running low, a REPL BAT message flashes for one to Set the Clock for longer than a month, change batteries before the batteries run out completely. You must reset the time and day. If you insert new batteries within 20 to the thermostat and the wall surface. Refer to two...
... a precaution when leaving home for instructions. Always use fresh alkaline batteries. ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE. If the display is blank, the batteries are running low, a REPL BAT message flashes for one to Set the Clock for longer than a month, change batteries before the batteries run out completely. You must reset the time and day. If you insert new batteries within 20 to the thermostat and the wall surface. Refer to two...
Owner's Manual
Page 11
... Honeywell CT3650 thermostat comes preset to main display. System Type (Feature Number 4) System type options are : 0 = Gas or oil furnace. You can change fan operation: ❑ Press once. ❑ Press Time to move to next feature or Run Program to return to the most commonly used settings. Fan Operation (Feature Number 2) Fan operation options are : 1 = Gravity or steam system. 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...
... Honeywell CT3650 thermostat comes preset to main display. System Type (Feature Number 4) System type options are : 0 = Gas or oil furnace. You can change fan operation: ❑ Press once. ❑ Press Time to move to next feature or Run Program to return to the most commonly used settings. Fan Operation (Feature Number 2) Fan operation options are : 1 = Gravity or steam system. 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...
Owner's Manual
Page 13
... want the house at work or school. (This is located behind the thermostat cover. Factory Set Function (Feature Number 37) Do not change the temperature. The three most frequently used keys are away at a comfortable temperature when you get up , the screen flashes 1:00 pm until you are near the display. Pressing the and keys change this setting. until screen shows current time. (Tapping the Set Current Day/Time will advance the time in...
... want the house at work or school. (This is located behind the thermostat cover. Factory Set Function (Feature Number 37) Do not change the temperature. The three most frequently used keys are away at a comfortable temperature when you get up , the screen flashes 1:00 pm until you are near the display. Pressing the and keys change this setting. until screen shows current time. (Tapping the Set Current Day/Time will advance the time in...
Owner's Manual
Page 14
...;C). Sleep -The program period you can be helpful when planning your schedule of time and temperature settings. b Your cooling setpoints cannot be higher than 90°F (32°C) or lower than 45°F (7°C). Saturday Sunday (Sat) (Sun) 69-1285-2 14 Table 3. Return -The program period when you want the house at a comfortable temperature for an energy-saving temperature while you sleeping. (This is a higher temperature...
...;C). Sleep -The program period you can be helpful when planning your schedule of time and temperature settings. b Your cooling setpoints cannot be higher than 90°F (32°C) or lower than 45°F (7°C). Saturday Sunday (Sat) (Sun) 69-1285-2 14 Table 3. Return -The program period when you want the house at a comfortable temperature for an energy-saving temperature while you sleeping. (This is a higher temperature...
Owner's Manual
Page 15
... the first day is programmed, you can program the fan to On runs the system fan continuously in Program the First Day for the rest of the week. NOTE: Program times are the same for heating and cooling. ❑ Press or until the display shows the desired temperature setpoint. NOTE: Program times are in 15 minute intervals. Setting Fan to On or Auto for each program period. The setpoint temperature range is...
... the first day is programmed, you can program the fan to On runs the system fan continuously in Program the First Day for the rest of the week. NOTE: Program times are the same for heating and cooling. ❑ Press or until the display shows the desired temperature setpoint. NOTE: Program times are in 15 minute intervals. Setting Fan to On or Auto for each program period. The setpoint temperature range is...
Owner's Manual
Page 16
... to clear. ❑ Press Day until the desired day displays. ❑ Press and hold the , , or Leave Return Sleep for approximately 3 seconds until the time and temperature clear. ❑ Repeat the above steps for two seconds and then the normal program display appears. Clear a Program Period NOTE: Wake cannot be cleared. ❑ Press Run Program . 69-1285-2 16 Mon Wed M13327 ❑ Press Copy to accept the change...
... to clear. ❑ Press Day until the desired day displays. ❑ Press and hold the , , or Leave Return Sleep for approximately 3 seconds until the time and temperature clear. ❑ Repeat the above steps for two seconds and then the normal program display appears. Clear a Program Period NOTE: Wake cannot be cleared. ❑ Press Run Program . 69-1285-2 16 Mon Wed M13327 ❑ Press Copy to accept the change...
Owner's Manual
Page 17
... Hold Temp twice. ❑ Press or until the display shows the desired temperature setpoint. ❑ Press Time until the screen shows the desired temperature setting. OPERATING YOUR THERMOSTAT Change Temperature Setting Until the Next Program Period (Temporary Change) ❑ Press or until the desired number of days that you to switch between standard time and daylight savings time. ❑ Press Daylight Time during fall to restart. NOTE: If the Vacation Hold needs to...
... Hold Temp twice. ❑ Press or until the display shows the desired temperature setpoint. ❑ Press Time until the screen shows the desired temperature setting. OPERATING YOUR THERMOSTAT Change Temperature Setting Until the Next Program Period (Temporary Change) ❑ Press or until the desired number of days that you to switch between standard time and daylight savings time. ❑ Press Daylight Time during fall to restart. NOTE: If the Vacation Hold needs to...
Owner's Manual
Page 18
... the display shows Off. ❑ Cool: The thermostat controls your original setting. Use for improved air circulation or more than once in a five minute period returns you to the G thermostat terminal). ❑ Press Fan until display shows On. ❑ Fan Auto: Normal setting for most homes. ❑ Press Daylight Time during the spring to set the fan to On during normal operation, the fan reverts to the programmed fan setting when the next program period...
... the display shows Off. ❑ Cool: The thermostat controls your original setting. Use for improved air circulation or more than once in a five minute period returns you to the G thermostat terminal). ❑ Press Fan until display shows On. ❑ Fan Auto: Normal setting for most homes. ❑ Press Daylight Time during the spring to set the fan to On during normal operation, the fan reverts to the programmed fan setting when the next program period...
Owner's Manual
Page 19
... are installed correctly. • Make sure the thermostat is no hot or cool air coming from the registers, refer to 37°C). IF YOU HAVE A PROBLEM Table 4. Solution Guide. Temperature settings will not change occurs at the wrong times. 1. The heating setting range is 45°F to 99°F (7°C to Heating does not come on or Cooling does not come on the wall plate. Mount and latch the thermostat on indicator( = heat, = cool...
... are installed correctly. • Make sure the thermostat is no hot or cool air coming from the registers, refer to 37°C). IF YOU HAVE A PROBLEM Table 4. Solution Guide. Temperature settings will not change occurs at the wrong times. 1. The heating setting range is 45°F to 99°F (7°C to Heating does not come on or Cooling does not come on the wall plate. Mount and latch the thermostat on indicator( = heat, = cool...
Owner's Manual
Page 20
... day's recovery start time accordingly. • It takes a few days after installation for the thermostat to adjust to 5:30PM Central Time. See Step 7. When the thermostat activates Smart Response technology, the thermostat displays In Recovery, changes the setpoint, and turns on back of thermostat). • Thermostat date code. (Located below model number). • Type of heating/cooling system (for this thermostat. M18591 20 The Smart Response technology calculates the correct time of day to www.honeywell...
... day's recovery start time accordingly. • It takes a few days after installation for the thermostat to adjust to 5:30PM Central Time. See Step 7. When the thermostat activates Smart Response technology, the thermostat displays In Recovery, changes the setpoint, and turns on back of thermostat). • Thermostat date code. (Located below model number). • Type of heating/cooling system (for this thermostat. M18591 20 The Smart Response technology calculates the correct time of day to www.honeywell...
Owner's Manual
Page 21
...Y R G HEATING RELAY OR VALVE COIL FAN RELAY 1 POWER SUPPLY. 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 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 M10618 HEATING COOLING FAN RELAY OR CONTACTOR RELAY 1 VALVE COIL COIL 1 POWER SUPPLY. M12739 21 69-1285-2 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 USE EITHER O OR B FOR HEAT PUMP CHANGEOVER. 3 USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO...
...Y R G HEATING RELAY OR VALVE COIL FAN RELAY 1 POWER SUPPLY. 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 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1 M10618 HEATING COOLING FAN RELAY OR CONTACTOR RELAY 1 VALVE COIL COIL 1 POWER SUPPLY. M12739 21 69-1285-2 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 USE EITHER O OR B FOR HEAT PUMP CHANGEOVER. 3 USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO...
Owner's Manual
Page 22
... Notice: This thermostat is a Class B digital apparatus that complies with Canadian Radio Interference Regulations, CRC c. 1374. 69-1285-2 22 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. M10619 HEAT DAMPER HEAT RELAY COMPRESSOR CONTACTOR COOL DAMPER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED...
... Notice: This thermostat is a Class B digital apparatus that complies with Canadian Radio Interference Regulations, CRC c. 1374. 69-1285-2 22 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. M10619 HEAT DAMPER HEAT RELAY COMPRESSOR CONTACTOR COOL DAMPER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED...