Honeywell CT3650 Page 1 Owner'S Manual Download | Manualshive

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69- 1285- 2

OWNER’S GUIDE

® U.S. Registered Trademark
Copyright © 2001 Honeywell •

•All Rights Reserved

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 1-800-468-1502.
Pour obtenir ce ode demploi en français, composer le 1-800-468-1502.

Table of Contents

Step 1. Prepare for Installation  ................................................................................................................................... 5
Step 2. Remove Old Thermostat  ................................................................................................................................ 6
Step 3. Mount thermostat Wallplate  ........................................................................................................................... 7
Step 4. Wire Wallplate Terminals ................................................................................................................................ 8
Step 5. Install the Batteries  ........................................................................................................................................ 9
Step 6. Mount the Thermostat  .................................................................................................................................... 10
Step 7. Customize Your Thermostat ........................................................................................................................... 11
Step 8. Set the Clock .................................................................................................................................................. 13
Step 9. Programming ................................................................................................................................................. 13
Step 10. Operating Your Thermostat .......................................................................................................................... 17
Step 11. Set the Fan and System Key ....................................................................................................................... 18
If You Have a Problem ................................................................................................................................................ 19
Smart Response™ Technology .................................................................................................................................. 20
Wiring Diagrams ......................................................................................................................................................... 21

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Summary of Contents for CT3650

Page 1: ...allplate Model CT3650 Para pedir estas instrucciones en español llame al 1 800 468 1502 Pour obtenir ce ode demploi en français composer le 1 800 468 1502 Table of Contents Step 1 Prepare for Installation 5 Step 2 Remove Old Thermostat 6 Step 3 Mount thermostat Wallplate 7 Step 4 Wire Wallplate Terminals 8 Step 5 Install the Batteries 9 ...

Page 2: ... in comfort and convenience It comes preprogrammed You can use the preprogrammed schedule or set your own This manual answers many of the questions that can arise as you become familiar and comfortable with your Honeywell thermostat the state of the art in home comfort controls Read these instructions carefully Failure to follow these instructions can damage the product or cause a hazardous condit...

Page 3: ...GRAMMING MODE FAN KEY SELECTS AUTO ON SYSTEM KEY SELECTS HEAT OFF COOL DIGITAL DISPLAY SET CURRENT DAY TIME SETS CURRENT TIME AND DAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE HEAT COOL SETTING SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING TIME TIME SETS TIME FORWARD OR BACK DAY HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE DAYLI...

Page 4: ...TEMPERATURE SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT ROOM TEMPERATURE SHOWS THE BATTERIES ARE LOW AND MUST BE REPLACED DISPLAYS EITHER ROOM OR SET TEMPERATURES SHOWS CURRENT FAN KEY POSITION ON AUTO SHOWS THERMOSTAT IS CALLING FOR THE FAN SHOWS SMART RESPONSE IS OFF SHOWS THERMOSTAT IS PROCESSING SHOWS THAT THERMOSTAT IS CALLING FOR HEAT OR COOL SHOWS CURRENT SYSTEM KEY POSITION HEAT OFF COO...

Page 5: ... Taco zone valves Not compatible with 3 wire zone valves or 2 wire White Rodgers no 1361 zone valves b Not compatible with any 120 240 volt system System Type Compatibility with CT3650 Gas Standing Pilot Yes Gas Electronic Ignition Yes Gas fired Boilers Yesa Gas 750 Millivolt Heat Yes Oil Fired Boilers Yesa Oil Fired Furnace Yes Electric Furnace Yes Electric Air Conditioning Yes Baseboard Electric...

Page 6: ...re attach the enclosed labels with the old terminal designation If there are only two wires they do not need to be labeled Wrap the wires around a pencil as shown to keep them from falling back into the wall Special Installations Read this section if you are replacing Clock thermostat with separate wires for the clock Thermostat with six or more wires connected to it Thermostat in a heating only s...

Page 7: ...g holes that best fit the application Remove the wallplate from the wall Drill two 3 16 in holes in wall if drywall as shown For materials such as plaster or wood drill 7 32 in holes where marked Gently tap the provided anchors into the drilled holes until they are flush with the wall Reposition the wallplate over the holes Pull the wires through the wiring opening Loosely insert mounting screws i...

Page 8: ...our new thermostat Refer to Table 2 Remove the factory installed jumper connecting terminals R and RC if wires are connected to both of those terminals For wiring diagrams if needed see pp 21 22 Loosen the terminal screws Slip each wire beneath its matching terminal Wraparound and straight connections are both acceptable see illustration Tighten the terminals Plug the hole in the wall with insulat...

Page 9: ...trical tape and push the taped wire back into the wiring hole in the wall STEP 5 INSTALL THE BATTERIES IMPORTANT Terminal on Old Thermostat Connect To Description R RHa 4 V R Power Rc Ra Rc Power for cooling W W1 H W Heat Y Y1 M Y Cooling G F G Fan O O Changeover in cool Single stage heat pump only Bb Bb Changeover in heat Single stage heat pump only Cc Xc Bb Do not connect Transformer common W2 H...

Page 10: ...the old batteries the system retains the current time and day If the display is blank the batteries are dead or installed incorrectly You must reset the time and day Refer to Set the Clock for instructions As a precaution when leaving home for longer than a month change batteries before leaving to prevent the system from shutting down due to lack of power Always use fresh alkaline batteries Nonalk...

Page 11: ...tool Sharp instruments like pens and pencil points can damage the keyboard Press and hold down and simultaneously until the screen shows You now can change any of these settings Fan Operation Feature Number 2 Fan operation options are 0 Gas or oil furnace Furnace controls fan operation during heating preset 1 Electric furnace or single stage heat pump Thermostat controls fan operation during heati...

Page 12: ...ess once Press Time to move to next feature or to return to main display NOTE See Smart Response technology page 20 for information about this feature Temperature Format Feature Number 14 Temperature format options are 0 F preset 1 C To change temperature format Press once Press Time to move to next feature or to return to main display Time Format Feature Number 16 Time format options are 0 12 hou...

Page 13: ...dvance the time in one hour increments Press until DST displays if daylight savings time is in effect Press STEP 9 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 system a...

Page 14: ...g the heating season and a higher temperature during the cooling season 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 Period Default Setting Monday Mon Tuesday Tue Wednesday Wed Thursday Thu Friday Fri Saturday Sat Sunday Sun Wake Time 6 00AM Heata 70 F 21 C Coolb 78 F ...

Page 15: ... 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 NOTE Program times are the same for heating and cooling Press or until the display shows the desired temperature setpoint NOTE You can program the fan to On or Auto for each program period Setting Fan to On runs the system fa...

Page 16: ...opy Press The display shows 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 Wake Leave Return Sleep Day M13327 Mon Copy M13328 Mon Wed Day M13329 Copy ...

Page 17: ...nitely Hold Press until Heat or Cool is displayed Press then or to change your setting if desired The display changes from showing the setpoint temperature to room temperature after approximately three seconds To cancel Hold press Change the Temperature Setting Until a Designated Day and Period Vacation Hold Press twice Press or until the display shows the desired temperature setpoint Press Time u...

Page 18: ... Key Fan On The fan runs continuously Use for improved air circulation or more efficient central air cleaning In a heat only system the fan runs continuously only if the fan relay is connected to the G thermostat terminal Press until display shows On Fan Auto Normal setting for most homes The equipment controls the fan operation Press until display shows Auto NOTE If you set the fan to On during n...

Page 19: ... in the On position and set it to On if it is in the Off position Wait five minutes for the system to respond Set the system key to Heat Cooling does not come on Make sure the cooling setpoint is below the room temperature Make sure the circuit breaker is not tripped and reset it if necessary Make sure the system switch at the air conditioner is in the On position and set it to On if it is in the ...

Page 20: ...t SMART RESPONSE TECHNOLOGY Your CT3650 is actually a small computer The Smart Response technology calculates the correct time of day to turn on your heating or cooling system Smart Response technology considers the following information Air temperature Wall temperature The time of day when you want the comfort temperature established When the thermostat activates Smart Response technology the the...

Page 21: ...Y JUMPER INTACT M10616 M10617 THERMOSTAT 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 1 4 WIRE HEAT COOL JUMPER INTACT HEATING RELAY OR VALVE COIL COOLING CONTACTOR COIL FAN RELAY B R RC O W Y G THERMOSTAT 3 WIRE HEAT ONLY WITH FAN JUMPER INTACT B R RC O W Y G THERMOSTAT 4 WIRE SINGLE STAGE HEAT PUMP JUMPER INTACT B R RC O W Y G 2 3 ...

Page 22: ...T MEANS AND OVERLOAD PROTECTION AS REQUIRED 1 1 5 WIRE HEAT COOL JUMPER REMOVED HEATING RELAY OR VALVE COIL COOLING CONTACTOR COIL FAN RELAY B R RC O W Y G M18738 HEAT RELAY COMPRESSOR CONTACTOR COOL DAMPER 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 1 5 WIRE HEAT COOL WITH DAMPER JUMPER INTACT B R RC O W Y G FAN RELAY HEAT DAMPER THERMOSTAT ...

Page 23: ...rth 35 Dynamic Drive Golden Valley MN 55422 3992 Scarborough Ontario M1V 4Z9 This warranty does not cover removal or reinstallation costs This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer Honeywells sole responsibility shall be to repair or replace the product within the...

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