Owner's Manual
Page 1
... Installation ...5 Step 2. Install the Batteries ...9 Step 6. Wire Wallplate Terminals ...8 Step 5. Mount thermostat Wallplate ...7 Step 4. Customize Your Thermostat ...11 Step 8. Set the Clock ...13 Step 9. 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 1-800...
... Installation ...5 Step 2. Install the Batteries ...9 Step 6. Wire Wallplate Terminals ...8 Step 5. Mount thermostat Wallplate ...7 Step 4. Customize Your Thermostat ...11 Step 8. Set the Clock ...13 Step 9. 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 1-800...
Owner's Manual
Page 2
...art in a sealed tube. MERCURY SWITCH 69-1285-2 TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT M10614 2 Congratulations! Total comfort temperature management with your new Honeywell thermostat; the state of this thermostat is replacing a control that ; • Keeps you comfortable by automatically calculating exactly when the ... comfortable with Smart Response™ Technology. You made a smart choice by automatically remembering to have questions, call Honeywell Inc. This manual answers many of energy and money by purchasing your Honeywell thermostat -
...art in a sealed tube. MERCURY SWITCH 69-1285-2 TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT M10614 2 Congratulations! Total comfort temperature management with your new Honeywell thermostat; the state of this thermostat is replacing a control that ; • Keeps you comfortable by automatically calculating exactly when the ... comfortable with Smart Response™ Technology. You made a smart choice by automatically remembering to have questions, call Honeywell Inc. This manual answers many of energy and money by purchasing your Honeywell thermostat -
Owner's Manual
Page 3
TIME /TIME SETS TIME FORWARD OR BACK SET CURRENT DAY/TIME SETS CURRENT TIME AND DAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE Run Program Set Current Day/Time Hold Temp Day Daylight ...
TIME /TIME SETS TIME FORWARD OR BACK SET CURRENT DAY/TIME SETS CURRENT TIME AND DAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE Run Program Set Current Day/Time Hold Temp Day Daylight ...
Owner's Manual
Page 4
... IS THE CURRENT ROOM TEMPERATURE SHOWS THE BATTERIES ARE LOW AND MUST BE REPLACED SHOWS CURRENT SYSTEM KEY POSITION HEAT/OFF/COOL SHOWS THAT THERMOSTAT IS "CALLING" FOR HEAT OR COOL DISPLAYS EITHER ROOM OR SET TEMPERATURES SHOWS CURRENT FAN KEY POSITION ON/AUTO SHOWS SYSTEM ON DAYLIGHT ...SAVINGS TIME SHOWS THERMOSTAT IS CALLING FOR THE FAN SHOWS THERMOSTAT IS PROCESSING INFORMATION AND WAITING TO CALL FOR HEAT OR COOL SHOWS SMART RESPONSE IS OFF. CONVENTIONAL RECOVERY IS ON ...
... IS THE CURRENT ROOM TEMPERATURE SHOWS THE BATTERIES ARE LOW AND MUST BE REPLACED SHOWS CURRENT SYSTEM KEY POSITION HEAT/OFF/COOL SHOWS THAT THERMOSTAT IS "CALLING" FOR HEAT OR COOL DISPLAYS EITHER ROOM OR SET TEMPERATURES SHOWS CURRENT FAN KEY POSITION ON/AUTO SHOWS SYSTEM ON DAYLIGHT ...SAVINGS TIME SHOWS THERMOSTAT IS CALLING FOR THE FAN SHOWS THERMOSTAT IS PROCESSING INFORMATION AND WAITING TO CALL FOR HEAT OR COOL SHOWS SMART RESPONSE IS OFF. CONVENTIONAL RECOVERY IS ON ...
Owner's Manual
Page 5
...compatible with 3-wire zone valves or 2-wire White Rodgers no. 1361 zone valves. If your system is compatible with 2-wire Honeywell and Taco zone valves. Standing Pilot Gas - Not compatible with any 120/240 volt system. Electronic Ignition System Type Gas-...line volt)b Single Stage Heat Pump Multistage Heat Pumps/Multistage Equipment Compatibility with CT3650 Yes Yes Yesa Yes Yesa Yes Yes Yes No Yes No a Compatible with your system. Table 1. Compatibility Chart. Gas - Package Contents • Thermostat • Screws and anchors • 3 Energizer® AA batteries ...
...compatible with 3-wire zone valves or 2-wire White Rodgers no. 1361 zone valves. If your system is compatible with 2-wire Honeywell and Taco zone valves. Standing Pilot Gas - Not compatible with any 120/240 volt system. Electronic Ignition System Type Gas-...line volt)b Single Stage Heat Pump Multistage Heat Pumps/Multistage Equipment Compatibility with CT3650 Yes Yes Yesa Yes Yesa Yes Yes Yes No Yes No a Compatible with your system. Table 1. Compatibility Chart. Gas - Package Contents • Thermostat • Screws and anchors • 3 Energizer® AA batteries ...
Owner's Manual
Page 6
... need to be labeled. Do not wrap them separately using the fan ON switch this section if you are replacing a Honeywell Chronotherm® Thermostat, you may find one or two wires going to the C or C1 clock terminals on these systems. For details, call... Honeywell Customer Relations Center, at the furnace or the fuse/circuit breaker panel. ❑ Carefully unpack your heating and cooling systems to make sure they will work properly. For information about which programmable thermostats will work , contact your system. Save package...
... need to be labeled. Do not wrap them separately using the fan ON switch this section if you are replacing a Honeywell Chronotherm® Thermostat, you may find one or two wires going to the C or C1 clock terminals on these systems. For details, call... Honeywell Customer Relations Center, at the furnace or the fuse/circuit breaker panel. ❑ Carefully unpack your heating and cooling systems to make sure they will work properly. For information about which programmable thermostats will work , contact your system. Save package...
Owner's Manual
Page 7
...between the bottom of the holes. ❑ Level the wallplate if desired. Level the wallplate for appearance if desired. holes in . Thermostat functions properly when not level. ❑ Tighten mounting screws. holes where marked. Gently, tap the (provided) anchors into each of the wallplate...69-1285-2 STEP 3. Use a pencil to mark the two mounting holes that best fit the application. ❑ Remove the wallplate from the thermostat. See illustration at right. ❑ Position the wallplate on the wall. Loosely insert mounting screws into the drilled holes until they are flush ...
...between the bottom of the holes. ❑ Level the wallplate if desired. Level the wallplate for appearance if desired. holes in . Thermostat functions properly when not level. ❑ Tighten mounting screws. holes where marked. Gently, tap the (provided) anchors into each of the wallplate...69-1285-2 STEP 3. Use a pencil to mark the two mounting holes that best fit the application. ❑ Remove the wallplate from the thermostat. See illustration at right. ❑ Position the wallplate on the wall. Loosely insert mounting screws into the drilled holes until they are flush ...
Owner's Manual
Page 8
... R W M16425 M4826 ❑ Plug the hole in the wall with the corresponding terminal letter on the wires when you removed the old thermostat (see illustration). ❑ Match the letter of those terminals. ❑ For wiring diagrams, if needed, see illustration). Wraparound and straight ...connections are connected to help prevent drafts from adversely affecting thermostat operation. 69-1285-2 8 FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). Refer to Table 2. ❑ Remove the factory-...
... R W M16425 M4826 ❑ Plug the hole in the wall with the corresponding terminal letter on the wires when you removed the old thermostat (see illustration). ❑ Match the letter of those terminals. ❑ For wiring diagrams, if needed, see illustration). Wraparound and straight ...connections are connected to help prevent drafts from adversely affecting thermostat operation. 69-1285-2 8 FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). Refer to Table 2. ❑ Remove the factory-...
Owner's Manual
Page 9
... a If both O and B when wiring to a single stage heat pump. INSTALL THE BATTERIES IMPORTANT Three AA alkaline batteries are present on existing thermostat, remove jumper and connect Rh to R and R to O. Table 2. Batteries must be installed for cooling W, W1, H W Heat Y, Y1...Fan O O Changeover in the wallplate so the positive terminals all point up (see illustration). ❑ If the thermostat is already mounted 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 ...
... a If both O and B when wiring to a single stage heat pump. INSTALL THE BATTERIES IMPORTANT Three AA alkaline batteries are present on existing thermostat, remove jumper and connect Rh to R and R to O. Table 2. Batteries must be installed for cooling W, W1, H W Heat Y, Y1...Fan O O Changeover in the wallplate so the positive terminals all point up (see illustration). ❑ If the thermostat is already mounted 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 ...
Owner's Manual
Page 10
... down due to Set the Clock for longer than a month, change batteries before the batteries run out completely. Honeywell recommends Energizer® batteries. They also can leak, causing damage to 30 seconds of battery power in the thermostat. Always use fresh alkaline batteries. If you insert new batteries within 20 to the...
... down due to Set the Clock for longer than a month, change batteries before the batteries run out completely. Honeywell recommends Energizer® batteries. They also can leak, causing damage to 30 seconds of battery power in the thermostat. Always use fresh alkaline batteries. If you insert new batteries within 20 to the...
Owner's Manual
Page 11
...: Gas or oil forced air furnace. IMPORTANT Always press the keys with your furnace or boiler type. OPTION M13347 M13348 11 69-1285-2 CUSTOMIZE YOUR THERMOSTAT Your Honeywell CT3650 thermostat comes preset to main display. You can damage the keyboard. ❑ Press and hold down , , and , simultaneously until display shows your fingertip or a similar...
...: Gas or oil forced air furnace. IMPORTANT Always press the keys with your furnace or boiler type. OPTION M13347 M13348 11 69-1285-2 CUSTOMIZE YOUR THERMOSTAT Your Honeywell CT3650 thermostat comes preset to main display. You can damage the keyboard. ❑ Press and hold down , , and , simultaneously until display shows your fingertip or a similar...
Owner's Manual
Page 13
... . STEP 9. Pressing the and keys change this setting. The three most frequently used keys are away at work or school. (This is located behind the thermostat cover. The thermostat displays day, time, program period, temperature, system and fan settings. Factory Set Function (Feature Number 37) Do not change the temperature. STEP 8.
... . STEP 9. Pressing the and keys change this setting. The three most frequently used keys are away at work or school. (This is located behind the thermostat cover. The thermostat displays day, time, program period, temperature, system and fan settings. Factory Set Function (Feature Number 37) Do not change the temperature. STEP 8.
Owner's Manual
Page 14
Sleep -The program period you can be helpful when planning your schedule of time and temperature settings. The thermostat default settings are shown in parentheses ( ). Personal Programming Table. Table 3. Return -The program period when you sleeping. (This is a higher temperature during the heating season ...
Sleep -The program period you can be helpful when planning your schedule of time and temperature settings. The thermostat default settings are shown in parentheses ( ). Personal Programming Table. Table 3. Return -The program period when you sleeping. (This is a higher temperature during the heating season ...
Owner's Manual
Page 16
.... ❑ Press Copy . M13328 M13329 ❑ Press , , or Leave Return Sleep for the program period you want to copy. The display shows. 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...
.... ❑ Press Copy . M13328 M13329 ❑ Press , , or Leave Return Sleep for the program period you want to copy. The display shows. 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...
Owner's Manual
Page 17
OPERATING YOUR THERMOSTAT Change Temperature Setting Until the Next Program Period (Temporary Change) ❑ Press or until "Heat" or "Cool" is displayed. ❑ Press Hold Temp then or ...
OPERATING YOUR THERMOSTAT Change Temperature Setting Until the Next Program Period (Temporary Change) ❑ Press or until "Heat" or "Cool" is displayed. ❑ Press Hold Temp then or ...
Owner's Manual
Page 18
... Off: Both the heating and air conditioning systems are off. ❑ Press System until the display shows Off. ❑ Cool: The thermostat controls your original setting. ❑ Press Daylight Time during normal operation, the fan reverts to the programmed fan setting when the next program ...period begins. DST is connected to the G thermostat terminal). ❑ Press Fan until display shows On. ❑ Fan Auto: Normal setting for improved air circulation or more than once in...
... Off: Both the heating and air conditioning systems are off. ❑ Press System until the display shows Off. ❑ Cool: The thermostat controls your original setting. ❑ Press Daylight Time during normal operation, the fan reverts to the programmed fan setting when the next program ...period begins. DST is connected to the G thermostat terminal). ❑ Press Fan until display shows On. ❑ Fan Auto: Normal setting for improved air circulation or more than once in...
Owner's Manual
Page 19
...176;F (4.5°C to 37°C) for heating. Temperature change • Make sure the temperature setpoints are installed correctly. • Make sure the thermostat is in the Off position. • Wait five minutes for the system to respond. • Set the system key to 32°C) for ...and latched on . Display flashes during programming. Display does not appear. • Make sure the batteries are : (example; Mount and latch the thermostat on . • Make sure the cooling setpoint is below the room temperature. • Make sure the circuit breaker is not tripped, and ...
...176;F (4.5°C to 37°C) for heating. Temperature change • Make sure the temperature setpoints are installed correctly. • Make sure the thermostat is in the Off position. • Wait five minutes for the system to respond. • Set the system key to 32°C) for ...and latched on . Display flashes during programming. Display does not appear. • Make sure the batteries are : (example; Mount and latch the thermostat on . • Make sure the cooling setpoint is below the room temperature. • Make sure the circuit breaker is not tripped, and ...
Owner's Manual
Page 20
... your heating/cooling system. • You can turn on the system. • Your CT3650 thermostat learns from experience. Before calling, please have the following information. • Air temperature. • Wall temperature. • The time of day to www.honeywell.com/yourhome or call the Honeywell Customer Relations Center at 1-800-468-1502. Customize Your...
... your heating/cooling system. • You can turn on the system. • Your CT3650 thermostat learns from experience. Before calling, please have the following information. • Air temperature. • Wall temperature. • The time of day to www.honeywell.com/yourhome or call the Honeywell Customer Relations Center at 1-800-468-1502. Customize Your...
Owner's Manual
Page 21
... PUMP CHANGEOVER. 3 USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO Y. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 4-WIRE SINGLE-STAGE HEAT PUMP (JUMPER INTACT) M10617 THERMOSTAT B RC O W Y R G 3 2 COMPRESSOR HEAT CHANGEOVER CONTACTOR 2 VALVE 1 COOL CHANGEOVER FAN VALVE RELAY 1 POWER SUPPLY. M12739 21 69-1285-2 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED...
... PUMP CHANGEOVER. 3 USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO Y. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 4-WIRE SINGLE-STAGE HEAT PUMP (JUMPER INTACT) M10617 THERMOSTAT B RC O W Y R G 3 2 COMPRESSOR HEAT CHANGEOVER CONTACTOR 2 VALVE 1 COOL CHANGEOVER FAN VALVE RELAY 1 POWER SUPPLY. M12739 21 69-1285-2 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED...
Owner's Manual
Page 22
... 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...
... 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...