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PROGRAMMABLE THERMOSTAT

OWNERS GUIDE
Seven Day Programmable Heat Pump Low Voltage (20 to 30 Vac) Thermostat and Wallplate Model CT3611 Para pedir estas instrucciones en espaol, llame al 1-800-468-1502. Pour obtenir ce ode demploi en franais, composer le 1-800-468-1502.

Honeywell CT3611

Table of Contents
Step 1. Prepare for Installation..... Step 2. Remove Old Thermostat.... Step 3. Mount thermostat Wallplate..... Step 4. Wire Wallplate Terminals.... Step 5. Mount the Thermostat..... Step 6. Customize Your Thermostat.... Step 7. Set the Clock..... Step 8. Programming..... Step 9. Operating Your Thermostat..... Step 10. Set the Fan and System Switches.... If You Have a Problem..... Smart Response Technology.... Wiring Diagrams..... 21
U.S. Registered Trademark Copyright 2001 Honeywell

All Rights Reserved

69- 1081- 3
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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 heat pump should go on to have the house at the desired comfort temperature by the time you wake up or return home. Saves the maximum amount of energy and money by automatically remembering to adjust the temperature when you leave home or go to sleep. Provides the ultimate 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 condition.
If this thermostat is replacing a control that contains mercury in a sealed tube, do not place your old control in the trash. Contact your local waste management authority for instructions regarding recycling and the proper disposal of this control, or of an old control containing mercury in a sealed tube. If you have questions, call Honeywell Inc. at 1-800-468-1502.

MERCURY NOTICE

MERCURY SWITCH
TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT

M10614

69-10813
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DIGITAL DISPLAY RAISES

TEMPERATURE SETTING
SETS TIME FORWARD OR BACK

SET CURRENT DAY/TIME

SETS CURRENT TIME AND DAY

LOWERS

DISPLAYS RUN PROGRAM
RETURNS THERMOSTAT TO NORMAL OPERATING MODE CURRENT HEAT/COOL TEMPERATURE SETTING

PROGRAM PERIODS

Run Program Set Current Day/Time

Set Program

Leave Return Sleep
WAKE/LEAVE/RETURN/SLEEP: ENTERS PROGRAMMING MODE

HOLD TEMP

SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE

Em Heat Heat

Hold Temp

Heat/Cool Settings

System

On Auto

SYSTEM SWITCH

Daylight Time

SELECTS EMERGENCY HEAT/ HEAT/OFF/COOL

FAN SWITCH

SELECTS AUTO/ON

SETS DAY OF THE WEEK

COPY SETTINGS FROM ONE DAY TO ANOTHER DAY FOR QUICK PROGRAMMING

HEAT/COOL SETTING

SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING

DAYLIGHT TIME

SELECTS STANDARD TIME OR DAYLIGHT SAVINGS TIME

TRACKS EQUIPMENT RUNTIME

M18745
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DISPLAYS EITHER CURRENT TIME OF DAY OR PROGRAM TIMES SHOWS WHEN THERMOSTAT IS IN THE PROGRAMMING MODE SHOWS VACATION HOLD DURATION SHOWS THERMOSTAT IS "CALLING" FOR EMERGENCY OR AUXILIARY HEAT SHOWS CURRENT DAY OR DAYS BEING PROGRAMMED SHOWS CURRENT PROGRAM PERIOD OR PERIOD BEING PROGRAMMED SHOWS CURRENT SYSTEM KEY POSITION EM HEAT/HEAT/ OFF/COOL SHOWS THAT THERMOSTAT IS "CALLING" FOR HEAT OR COOL SHOWS SYSTEM ON DAYLIGHT SAVINGS TIME SHOWS THERMOSTAT IS PROCESSING INFORMATION AND WAITING TO CALL FOR HEAT OR COOL
SHOWS THERMOSTAT IS IN THE SET DAY/TIME MODE
SHOWS TEMPERATURE SETTING CHANGED FOR THIS PROGRAM PERIOD
Set Program Set Day/Time Temporary Setting Hold for AM Em Ht Room Em Ht Humid Aux Ht Ht Aux Outdoor MonTueWedThuFriSatSun Days WakeLeaveReturnSleep In Recovery DST System Auto Wait E Emm Heat Off Cool
SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THE TEMPERATURE DISPLAYED IS THE CURRENT ROOM TEMPERATURE
DISPLAYS EITHER ROOM OR SET TEMPERATURES
SHOWS SMART RESPONSE IS OFF. CONVENTIONAL RECOVERY IS ON
SHOWS SMART RESPONSE IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAMS

M18756A

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STEP 1. PREPARE FOR INSTALLATION
q This thermostat is designed to work with multistage heat pumps (heat pumps with Auxiliary and/or Emergency Heat). Check Table 1 in Step 4 to make sure the CT3611 is compatible with your system. If you have compatibility questions, contact Honeywell at www.honeywell.com/yourhome or call the Customer Relations Center at 1-800-468-1502.

Package Contents

Thermostat Screws and anchors Wallplate Wiring labels Owners manual

Tools Required

Screwdriver Drill
STEP 2. REMOVE OLD THERMOSTAT
q q q q q q 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 50F (10C). Turn off power to the system at the furnace or the fuse/circuit breaker panel. Carefully unpack your new thermostat and wallplate. Save package of screws, instructions, and receipt. Remove the cover from the old thermostat. If the cover does not snap off when pulled firmly from the bottom, check for a screw or screws used to lock on the cover. Loosen the screw or screws holding the thermostat to the wallplate and lift the thermostat away. Disconnect the wires from the old thermostat. As you disconnect each wire, attach WIRES THROUGH WALL OPENING the enclosed labels with the old terminal designation. Wrap the wires around a pencil as shown to keep them from falling back into the wall.
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STEP 3. MOUNT THERMOSTAT WALLPLATE
q q q 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 wall. Level the wallplate for appearance if desired. Use a pencil to mark the two mounting 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 into each of the holes. Level the wallplate if desired. Thermostat functions properly when not level. Tighten mounting screws.

M18701

WIRES THROUGH WALL

WALL ANCHORS (2)

MOUNTING HOLES MOUNTING SCREWS

M18700

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STEP 4. WIRE WALLPLATE TERMINALS
IMPORTANT All wiring must comply with local codes and ordinances. If unsure about household wiring procedures, call your local heating/air-conditioning contractor. Refer to the labels you placed on the wires when you removed the old thermostat (see illustration). q Match the letter of your old thermostat wire with the corresponding terminal letter on your new thermostat. Refer to Table 1. q For wiring diagrams, if needed, see page 21. q Loosen the terminal screws. Slip each wire beneath its matching terminal. Wraparound and straight connections are both acceptable, (see illustration). Tighten the terminals.
FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). FOR STRAIGHT INSERTION STRIP 5/16 IN. (8 MM).

M18702

Plug the hole in the wall with insulation to help prevent drafts from adversely affecting thermostat operation. Match the terminals from your old thermostat to the terminals on the CT3611. Find the column from Table 1 that matches your existing thermostat wire terminals to help you match the terminals correctly.
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IMPORTANT If you have any wiring questions, contact Honeywell at www.honeywell.com/yourhome or call Honeywell Customer Relations Center, toll-free, 1-800-468-1502. Table 1. Terminal Designations on Old and New Thermostats.
Alternative Terminal Designations CT3611a C R Y W1c W2 G Oa Ba L E
Typical Terminal Designations from the Existing Thermostat C R C or X R C R
Trane American Standard B R Y W or W1 jumped to U G Oa F or L X2 or E Td or Ad
Lennox X V or VR M W1 or Y F or G R or Oa
York Borg Warner B R Y W or W2 G Oa H F X or E Td
General Electric C or B R Y W or W1 G Oa F or L E or X2 Td
Rheem Ruud X R Y or Y1 W2 G Oa L E
Function Description Common Power Compressor Stage 1 heating relay Auxiliary heat relay Fan relay Cooling changeover relay Heating changeover relay System monitor Emergency heat relay Tape off, not needed for CT3611
Y or Y1 Y or Y1 Y or Y1 W or W1 G Oa Ba L E W, W1 or W2 G Oa Ba L or X E W or W1 G Oa Ba L E or X

L E Ad

Never attach wires to both the O and B terminals on the CT3611. If the old thermostat had wires on both the O and B terminals, be sure to attach the B wire to the CT3611 C terminal. If another wire is already matched to the C terminal, contact Honeywell. If the old thermostat had separate wires on both the V and VR terminals, some system modification is required. Call your local heating and cooling contractor for assistance. If the old thermostat had wires on W1, Y1 and W2 terminals, then remove the CT3611 factory-installed jumper between Y and W1 terminals and match the old W1 to W1, Y1 to Y and W2 to W2. Use electrical tape to tape off the end of the wire and push the taped end back into the wall wiring hole.
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STEP 5. MOUNT THE THERMOSTAT
STEP 6. CUSTOMIZE YOUR THERMOSTAT
Your Honeywell CT3611 thermostat comes preset to the most commonly used settings. The settings are: Auxiliary and/or Emergency Heat type. Smart Response technology on. Temperature F. 12-hour clock format. You can change any or all of these settings. IMPORTANT Always press the keys with your fingertip or a similar blunt tool. Sharp instruments like pens and pencil points can damage the keyboard.
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Press and hold down , , and , simultaneously until the screen shows. You now can change any of these settings.
Auxiliary Heat Type (Feature Number 5)
Auxiliary Heat options are: 3 = Hot water, high efficiency furnace (90% or better). 6 = Gas or oil forced air furnace (preset). 9 = Electric heat system. To change your Auxiliary Heat type: q q Press until display shows your Auxiliary Heat type. to move to next feature or

Run Program

FEATURE NUMBER

OPTION

M18704

Press Time

to return to main display.
Emergency Heat Type (Feature Number 7)
Emergency Heat options are: 3 = Hot water, high efficiency furnace (90% or better). 6 = Gas or oil forced air furnace. 9 = Electric heat system (preset). To change your Emergency Heat type: q q Press until display shows your Emergency Heat type. to move to next feature or

M18705

Smart Response Technology (Feature Number 13)
Smart Response technology options are: 0 = Smart Response technology on (preset). 1 = Smart Response technology off.

M13343

To turn Smart Response technology on or off: q q Press once. to move to next feature or
See Smart Response technology (page 20) for information about this feature. 10
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Temperature Format (Feature Number 14)
Temperature format options are: 0 = F (preset). 1 = C.

M13344

To change temperature format: q q Press once. to move to next feature or
Time Format (Feature Number 16)
Time format options are: 0 = 12-hour clock (preset). 1 = 24-hour clock.

M13345

To change time format: q q Press Press once.
Factory Set Function (Feature Number 37)
Do not change this setting.

STEP 7. SET THE CLOCK

Set Current Day and Time
NOTE: q q q Press Press On initial power-up, the screen flashes 1:00 pm until you press a key.

Set Current Day/Time Day

M13346
. until screen shows current day. until screen shows current time. (Tapping the

Set Current Day/Time

Press Time or hour increments).
will advance the time in one
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Press Press

until DST displays if daylight savings time is in effect.

STEP 8. 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 and system settings. The thermostat displays day, time, program period, temperature, system and fan settings. There is an individual key 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 get ready for work or school. (This is a higher temperature during the heating season and a lower temperature during the cooling season). Leave The program period you can set for an energy-saving temperature while you are away at work or school. (This is a lower temperature during the heating season and a higher temperature during the cooling season). The program period when you want the house at a comfortable temperature for activities before bedtime. Return (This is a higher temperature during the heating season and a lower temperature during the cooling season). The program period you can set for an energy-saving temperature while you are sleeping. (This is a lower Sleep temperature during the heating season and a higher temperature during the cooling season).

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Table 2 can be helpful when planning your schedule of time and temperature settings. The thermostat default settings are shown in parentheses ( ). Table 2. Personal Programming Table. Period Wake Default Setting Time (6:00AM) Heata (70F/21C) Coolb (78F/25.5C) Leave Time (8:00AM) Heata (62F/16.5C) Coolb (85F/29.5C) Return Time (6:00PM) Heata (70F/21C) Coolb (78F/25.5C) Sleep Time (10:00PM) Heata (62F/16.5C) Coolb (82F/28C)

a Your b

Monday (Mon)

Tuesday (Tue)

Wednesday Thursday (Wed) (Thu)

Friday (Fri)

Saturday (Sat)

Sunday (Sun)

heating setpoints cannot be higher than 90F (32C) or lower than 40F (4.5C). Your cooling setpoints cannot be higher than 99F (35C) or lower than 45F (7C).

Program the First Day

Start by programming the wake time and temperature for one day. q q q Press and release Press

Day Wake

until the desired day displays. (Mon, Tue, Wed, Thu, Fri, Sat, Sun) or until the desired time shows in the display. 13 69-10813

Press time

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NOTE: q Press

Program times are in 15 minute intervals. For example, 8:00, 8:15, 8:30. or until the desired wake temperature displays.
The setpoint temperature range is 40F to 90F (7C to 31C) for heating and 45F to 99F (9C to 37C) for cooling. q Press
to switch between setpoints.

NOTE: q q q Press Press

Program times are the same for heating and cooling. or
until the display shows the desired temperature setpoint. ,

Return

and repeat these steps for each program period. The first day is now programmed.
Repeat each step in Program the First Day for the rest of the week. After the first day is programmed, you can copy that day to any other day using procedure in Copy a Day.
when the entire week is programmed.

Copy a Day

Your thermostat can copy program settings from one day to another. q q q Press Press Press
to enter programming mode.
until the display shows the day you want to copy. The display shows.

M13327

until the display shows the day you want to copy to.

Mon Wed

M13328
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to accept the change.

Repeat these steps for each day you want to copy. donE appears for two seconds and then the normal program display appears.

M13329

Clear a Program Period
NOTE: q q q q q Press Press Wake cannot be cleared.
for the program period you want to clear.
until the desired day displays.

Press and hold the

for approximately 3 seconds until the time and temperature clear.
Repeat the above steps for each period to be cleared. Press
STEP 9. OPERATING YOUR THERMOSTAT
Change Temperature Setting Until the Next Program Period (Temporary Change)
q Press or until the screen shows the desired temperature setting. NOTE: The temporary temperature setting is displayed for about 3 seconds and then the room temperature is displayed. Temporary appears in the display. The setting cancels when the next program period starts or when you press
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Change Temperature Setting Indefinitely (Hold)
q q q Move the System switch to the desired position (Heat or Cool). Press Hold Temp 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)

q q q q Press Press

twice. until the display shows the desired temperature setpoint. until the desired number of days that you will be away (1 through 255) is displayed. ,

Press Time Press

to select the program period when you want the program to restart.
If the Vacation Hold needs to be cancelled before the designated time, press program.

to return to the

Daylight Savings Time Key
This feature allows you to switch between standard time and daylight savings time. q q Press Press time.
Daylight Time Daylight Time
during fall to set the time back one hour. during the spring to set time forward one hour. DST is displayed when operating on daylight savings
Pressing the Daylight Time key more than once in a five minute period scrolls you through various time options. For example, one hour earlier or later, with or without DST. Pressing Daylight Time six times in a five minute period returns you to your original setting.

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Usage Key

q q q Press Usage once to display the hours and minutes that the heating or cooling system has been operating for the current day. Press Press
a second time to display the system operating time for the previous day (midnight to midnight). a third time to display the system operating time since the last time the usage function was cleared.
for three seconds to clear the usage function.
STEP 10. SET THE FAN AND SYSTEM SWITCHES
First set the fan Fan On: The fan runs continuously. Use for improved air switch. circulation or 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). Fan Auto: Normal setting for most homes. The equipment controls the fan operation. Then set the system switch. Heat: The thermostat controls your heating system.

On Fan

On Fan Em Heat Heat System Off
Off: Both the heating and cooling systems are off.

Em Heat Heat System

Cool: The thermostat controls your cooling system.
Em Heat: Emergency heat or Auxiliary heat control to setpoint. The heat pump compressor is off.
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IF YOU HAVE A PROBLEM

Table 3. Solution Guide. If. Display does not appear. Temperature settings will not change (example; cannot set the heating higher or the cooling lower). Heating does not come on. Cooling does not come on. System on indicator( = heat, = cool) is lit, but no warm or cool air is coming from the registers. Then Make sure the thermostat is mounted and latched on the wall plate. Mount and latch the thermostat on the wallplate if it is not. Make sure terminal C is connected to the system transformer common. Make sure circuit breaker is not trippedreset the circuit breaker. Make sure the wiring between the thermostat and HVAC equipment has no broken wiresreplace any broken wires. Make sure the temperature setpoints are: 40 to 90F (4.5 to 32C) for heating. 45 to 99F (7 to 35C) for cooling. Make sure the heating setpoint is above the room temperature. Make sure the circuit breaker is not tripped, and reset it if necessary. Make sure the power switch at the equipment is 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 switch to Heat. 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 Off position. Wait five minutes for the system to respond. Set the system switch to Cool.

Wait five minutes after seeing the flame or snowflake and check the registers again. If no there is no hot or cool air coming from the registers, refer to Heating does not come on or Cooling does not come on. If all of this has been checked, contact your local heating and cooling contractor.
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Table 3. Solution Guide. If. Display flashes during programming. Then The temperature setting limit has been reached. The heating setting range is 40F to 90F (4.5C to 32C). The cooling setting range is 45F to 99F (7C to 35C). 1. Check the program times for the period in question. 2. Make sure the AM and PM settings are correct. 3. Make sure the current time and day settings are correct. 4. Reprogram any incorrect settings. NOTE: If your thermostat is set for Smart Response technology, the start times occur before your programmed comfort periods. The thermostat is in a compressor protection delay. Wait five minutes and check the registers again. If a separate wire is hooked to the L terminal it can be connected to a system monitor. If so, the light being on indicates a problem with the heat pump. Contact your local heating and cooling contractor.
Temperature change occurs at the wrong times.
Display shows Wait. LED is on.
Toll-Free Customer Assistance
Please read and follow the provided instructions for this thermostat. For additional information, go to www.honeywell.com/yourhome or call the Honeywell Customer Relations Center at 1-800-468-1502. The Center hours are Monday through Friday, 7:00AM to 5:30PM Central Time. Before calling, please have the following information available: Thermostat model number. (Located on back of thermostat). Thermostat date code. (Located below model number). Type of heating/cooling system (for example, hot water, warm air, oil, or gas). Location and number of wires connected to the thermostat.
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SMART RESPONSE TECHNOLOGY
Your CT3611 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.
System Operating When the thermostat activates Smart in Comfort Mode Response technology, the thermostat 68F displays In Recovery, changes the Recovery Continues setpoint, and turns on the system. 66F Your CT3611 thermostat learns from Recovery experience. Each day it checks how Begins 1 closely it hit the recovery target and then 64F adjusts the next days recovery start System Operating in Energy Savings Mode time accordingly. 62F It takes a few days after installation for the thermostat to adjust to the local 5:00 5:30 6:00 6:30 weather, your lifestyle, the construction ENERGY COMFORT RECOVERY FROM ENERGY SAVINGS SAVINGS PERIOD of your home, and your heating/cooling PERIOD TIME system. THERMOSTAT USES THE SAME SCHEME TO RETURN TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON. You can turn off Smart Response MIF In Recovery IS DISPLAYED, PRESS TO SEE THE COMFORT SETPOINT. technology by selecting Conventional Recovery. Honeywell does not recommend this because the auxiliary heat comes on once the program time begins and run continuously until the setpoint is reached. See Step 6. Customize Your Thermostat.

AM Room Mon Wake System Heat

TEMPERATURE

Heat In Recovery

System Heat

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WIRING DIAGRAMS

See Table 1 on page 8 for additional wiring assistance.

THERMOSTAT B L C

B L C THERMOSTAT

W2 E W1Y O G

EQUIPMENT MONITOR AUX. HT. RELAY 2 HEAT CHANGEOVER VALVE 1ST STAGE HEAT RELAY 1 L2 L1 (HOT) 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. NEVER ATTACH WIRES TO BOTH THE O AND B TERMINALS. SEE WIRE M15110B WALLPLATE TERMINALS SECTION FOR MORE DETAILS. FAN RELAY EM. HEAT RELAY
EQUIPMENT MONITOR AUX. HT. RELAY FAN RELAY EM. HEAT RELAY

COOL CHANGEOVER VALVE 2

COMPRESSOR RELAY

HEAT CHANGEOVER VALVE

COOL CHANGEOVER VALVE
1 L2 L1 (HOT) POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. LEAVE FACTORY INSTALLED JUMPER IN PLACE.

M15113A

Typical hookup of CT3611.
Typical hookup of CT3611 with isolated stage-one heating and cooling connections.
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Notice:

This thermostat is a Class B digital apparatus that complies with Canadian Radio Interference Regulations, CRC c. 1374.
Limited One-Year Warranty
Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it (at Honeywells option) within a reasonable period of time. If the product is defective, (i) return it, with a bill of sale or other dated proof of purchase, to the retailer from which you purchased it, or (ii) package it carefully, along with proof of purchase (including date of purchase) and a short description of the malfunction, and mail it, postage prepaid, to the following address: Honeywell USA Honeywell Canada: Dock 4 MN10-3860 Honeywell Limited/Honeywell Limite 1885 Douglas Drive North 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 terms stated above. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Some states do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.

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This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have any questions concerning this warranty, please write our Customer Relations Center, Honeywell Inc., 1885 Douglas Dr. N., Golden Valley, MN 55422-3992, or call 1-800-468-1502, Monday-Friday, 7:00 a.m. to 5:30 p.m., Central time. In Canada, write Retail Products ON30 Honeywell Limited/Honeywell Limite, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
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Home and Building Control Home and Building Control
Honeywell 1985 Douglas Drive North Golden Valley, MN 55422 Honeywell Limited-Honeywell Limite 35 Dynamic Drive Scarborough, Ontario M1V 4Z9
Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.

69-10813 J.H. Rev. 11-01

www.honeywell.com/yourhome

CT3600, CT3611, CT3500, CT3595, CT8602 Thermostats

OWNERS GUIDE ADDENDUM

FURNACE AIR FILTER, HUMIDIFIER PAD AND ULTRAVIOLET (UV) LAMP TIMERS
Your thermostat has up to three timers that remind you to change or clean your furnace air filter, whole-house humidifier pad or UV (ultraviolet air treatment system) lamp.
Humidifier Pad Timer (Feature No. 44)
Humidifier pad timer options: 0 = off 1 = 90 days 2 = 180 days 3 = 365 days

M20246

Customize Your Timers (See Owners Guide for Instructions on Entering Customize Mode)
Furnace Air Filter Timer (Feature No. 43)
Filter timer options: 0 = off 1 = 30 days 2 = 90 days (preset) 3 = 180 days 4 = 365 days
To change your humidifier pad timer: Press until display shows the desired number of days. Press Time to move to next feature or press Run Program to return to main display. NOTE: The humidifier pad time is based on calendar days. See your humidifier instructions for complete details on replacing and/or cleaning your humidifier pad.
Ultraviolet (UV) Lamp Timer (Feature No. 45)
UV lamp timer options: 0 = off (preset) 1 = 365 days

OPTION

M20245 M20247

FEATURE NUMBER

To change your filter timer: Press until display shows the desired number of days. Press Time to move to next feature or press Run Program to return to main display. NOTE: The filter time is based on calendar days.
To change your UV lamp timer: Press until display shows the desired number of days. Press Time to move to next feature or press Run Program to return to main display. NOTE: The UV lamp time is based on calendar days. See your UV lamp instructions for complete details on replacing your UV lamps.
U.S. Registered Trademark Copyright 2002 Honeywell

All Rights Reserved

69-1583-1
CT3600, CT3611, CT3500, CT3595, CT8602 THERMOSTATS
View or Reset Timer Settings
When the thermostat activates a timer, the thermostat flashes Filter until the timer resets. 1. Reset the timer by pressing the i key until the expired timer is displayed.
Press the time key to reset the timer.

Filter

M20244
Press the Run Program key.

M20243

NOTE: You can view the number of days remaining at any time by pressing the i key three or four times. If more than one timer is active, all active timers show sequentially when pressing the i key several times. For complete instructions on replacing or cleaning your furnace filter, humidifier pad or UV lamp, see the product owners manuals. Contact your local contractor or visit www.honeywell.com/yourhome.
Automation and Control Solutions
Honeywell 1985 Douglas Drive North Golden Valley, MN 55422 Honeywell Limited-Honeywell Limite 35 Dynamic Drive Scarborough, Ontario M1V 4Z9

69-1583-1 G.H. Rev 05-02

Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.
www.honeywell.com/yourhome