Honeywell Thermostat CT8602 User Manual

Honeywell CT8602  
PROGRAMMABLE THERMOSTAT  
OWNER’S GUIDE  
Seven Day  
Programmable Heat and/or Cool  
Low Voltage (20 to 30 Vac) Thermostat and Wallplate  
Model CT8602  
Para obtener un documento con las instrucciones en español, por favor visite  
nuestro sitio de web a: www.honeywell.com/yourhome.  
Pour obtenir des notices techniques en français, veuillez consulter notre site  
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. Install the Batteries ....................................................................................................................................................  
Step 6. Set Fan Operation Switch ..........................................................................................................................................  
5
5
6
7
8
9
Step 7. Mount the Thermostat ............................................................................................................................................... 10  
Step 8. Customize Your Thermostat ...................................................................................................................................... 10  
Step 9. Set the Clock ............................................................................................................................................................. 14  
Step 10. Programming ........................................................................................................................................................... 14  
Step 11. Operating Your Thermostat ...................................................................................................................................... 17  
Step 12. Set the Fan and System Switches ........................................................................................................................... 19  
If You Have a Problem ........................................................................................................................................................... 20  
Wiring Diagrams .................................................................................................................................................................... 22  
® U.S. Registered Trademark  
Copyright © 2004 Honeywell International Inc.  
 
All Rights Reserved  
69-1532-2  
INCREASE TEMPERATURE  
SETTING OR SCROLL  
FORWARD THROUGH  
SET RETURN TIMES  
AND SETPOINTS  
SET LEAVE TIMES  
AND SETPOINTS  
SET WAKE TIMES  
AND SETPOINTS  
INCREASE TIME SETTING  
OR SCROLL FORWARD  
THROUGH INSTALLER SETUP  
AND SYSTEM TEST  
INSTALLER SETUP OPTIONS  
DECREASE TEMPERATURE  
SETTING OR SCROLL  
BACKWARD THROUGH  
INSTALLER SETUP OPTIONS  
SET CURRENT  
DAY AND TIME  
DISPLAY INFORMATION  
SUCH AS PRESENT  
SETTINGS AND OUTDOOR  
TEMPERATURE  
RETURN TO  
NORMAL  
OPERATIONS  
ENTER  
INDEFINITE  
OR TIMED  
HOLD MODE  
Time  
Set Program  
Leave  
SET SLEEP TIMES  
AND SETPOINTS  
Set Current  
Day/Time  
Run  
Program  
Wake  
Return  
Sleep  
Cool  
Heat Off  
SYSTEM SWITCH  
FAN SWITCH  
Heat/Cool  
Settings  
Hold Temp  
System  
Day  
On  
Auto  
SET CURRENT OR  
PROGRAM DAY  
Fan  
Daylight  
Time  
Copy  
CHANGE BETWEEN  
DAYLIGHT SAVINGS  
AND STANDARD TIME  
CHANGE BETWEEN  
HEATING AND COOLING  
SETPOINTS  
DECREASE TIME SETTING OR  
SCROLL BACKWARD THROUGH  
INSTALLER SETUP AND SYSTEM TEST  
COPY ONE PROGRAMMED  
DAY TO ANOTHER DAY  
M14880  
3
69-1532—2  
 
SHOWS WHEN THERMOSTAT IS  
IN THE PROGRAMMING MODE  
DISPLAYS EITHER CURRENT  
TIME OF DAY OR PROGRAM TIMES  
SHOWS THERMOSTAT IS  
PROCESSING INFORMATION  
AND WAITING TO CALL FOR  
HEAT OR COOL  
SHOWS TEMPERATURE SETTING  
CHANGED FOR THIS PROGRAM PERIOD  
SHOWS THE TEMPERATURE  
DISPLAYED IS THE CURRENT  
SET TEMPERATURE  
SHOWS SMART  
RESPONSE  
IS CHANGING  
THE TEMPERATURE  
TO MEET THE  
CURRENT  
SHOWS CURRENT  
SYSTEM SWITCH  
POSITION  
System  
Heat  
Wait  
Set Program Set Day/Time Temporary Setting  
PROGRAMS  
HEAT/OFF/COOL  
Off  
AM  
Recovery  
Hold for  
SHOWS THAT  
THERMOSTAT IS  
"CALLING" FOR  
SHOWS  
VACATION  
HOLD  
DURATION  
Cool  
Days  
HEAT  
OR COOL  
Repl Batt Room  
MonTue Wed Thu Fri Sat Sun  
Wake Leave Return Sleep  
Filter  
DST  
SHOWS SMART  
RESPONSE IS OFF.  
CONVENTIONAL  
RECOVERY IS ON  
SHOWS CURRENT  
DAY OR DAYS  
BEING  
DISPLAYS  
EITHER ROOM  
OR SET  
SHOWS THE BATTERIES  
ARE LOW AND MUST BE  
REPLACED  
PROGRAMMED  
TEMPERATURES  
SHOWS CURRENT  
PROGRAM PERIOD  
OR PERIOD BEING  
PROGRAMMED  
SHOWS SYSTEM ON  
DAYLIGHT SAVINGS TIME  
SHOWS THE TEMPERATURE  
DISPLAYED IS THE CURRENT  
ROOM TEMPERATURE  
M18746  
69-1532—2  
4
 
STEP 1. PREPARE FOR INSTALLATION  
Check the contents of your thermostat package to be sure all items are included.  
Package Contents  
Thermostat  
Wallplate  
Owner’s Guide  
Wiring labels  
Screws and anchors  
Locate the required tools to install your thermostat.  
Tools Required  
Screwdriver  
Hammer  
Level  
Drill  
Drill bits: 3/16 in. for drywall;  
7/32 in. for plaster  
Needle-nose pliers  
STEP 2. REMOVE OLD THERMOSTAT  
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 50°F (10°C).  
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 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.  
WIRES THROUGH  
WALL OPENING  
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 system with three wires.  
M5136  
5
69-1532—2  
 
   
Replacing a Clock Thermostat that has C or C1 Clock Terminals  
When replacing a Honeywell Chronotherm®Thermostat, you may find one or two wires going to the C or C1 clock  
terminals on the Chronotherm wiring wallplate. Do not allow them to touch, or you can damage the transformer.  
Disconnect the wires and wrap them separately using electrical tape. Do not wrap them together. Place the wires  
where they will not interfere with the operation of the new thermostat. Record the colors and terminal designation  
labels of the remaining wires.  
Replacing a Thermostat that has Six or More Wires  
If there are six or more wires (excluding clock wires attached to terminals), you probably have a variation of a  
multistage heat pump or other multistage system. This thermostat is not compatible with multistage systems, so return  
the product to the place of purchase. For information about which programmable thermostats will work with your  
system, call Honeywell Customer Care at 1-800-468-1502.  
Replacing a Thermostat that has Three Wires  
If you have three wires for a heating only system and can operate the fan using the fan On switch this thermostat works  
with your system. However, some hot water (zoned) heating systems also have three wires. Your thermostat will work  
only if you install an isolating relay on these systems. For details, call your local heating and/or cooling contractor.  
STEP 3. MOUNT THERMOSTAT WALLPLATE  
Separate wallplate from thermostat by placing your thumbs between bottom of wallplate  
and thermostat and pulling wallplate up and away from thermostat. See illustration.  
Position wallplate on wall. Level wallplate  
for appearance, if desired. Use a pencil to mark  
WALL  
two mounting holes that best fit the application.  
WIRES  
THROUGH WALL  
Remove wallplate from wall. Drill two 3/16 in.  
M16427  
holes in wall (if drywall) as shown.  
WALL  
For plaster or wood, drill 7/32 in. holes as  
ANCHORS (2)  
marked. Gently tap (provided) anchors into  
drilled holes until flush with wall.  
Reposition wallplate over holes. Pull wires  
through wiring opening. Loosely insert mounting  
screws into each of the holes.  
MOUNTING  
HOLES  
Level wallplate, if desired. Thermostat  
MOUNTING  
SCREWS  
functions correctly, even when not level.  
M15044  
Tighten mounting screws.  
69-1532—2  
6
 
 
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).  
Match the letter of old thermostat wire with the corresponding  
terminal letter on new thermostat. Refer to Table 1.  
Remove factory-installed jumper connecting terminals R and  
RC if wires are connected to both of those terminals.  
For wiring diagrams, if needed, see Wiring Diagrams section.  
Loosen terminal screws. Slip each wire beneath matching  
terminal. Wraparound and straight connections are both  
acceptable, (see illustration). Tighten terminals.  
Plug the hole in the wall with insulation to help prevent  
drafts from adversely affecting thermostat operation.  
M16425  
FOR WRAPAROUND  
INSERTION STRIP  
7/16 IN. (11 MM).  
FOR STRAIGHT INSERTION  
STRIP 5/16 IN. (8 MM).  
M4826  
7
69-1532—2  
 
 
Table 1. Terminal Designations on Old and New Thermostats.  
Terminal on Old Thermostat Connect To Description  
R, RHa, 4, V  
R
Power  
Rc, Ra  
W, W1, H  
Y, Y1, M  
G, F  
Rc  
Power for cooling  
W
Y
Heat  
Cooling  
G
O
Fan  
O
Changeover in cool. (Single stage heat pump only).  
Changeover in heat. (Single stage heat pump only).  
Bb  
Bb  
Cc, Xc, Bb  
W2, H2  
Y2  
Do not connect.  
Transformer common  
Do not continue installation. Second stage heat.  
Call 1-800-468-1502.  
Second stage cool.  
a If both RH and R terminals are present on existing thermostat, remove jumper and connect Rh to R and R to Rc.  
b Do not connect both O and B when wiring to a single stage heat pump. Connect O to O. Tape off B.  
c
Tape off end of the wire with electrical tape and push the taped wire back into the wiring hole in the wall.  
STEP 5. INSTALL THE BATTERIES  
WALLPLATE  
B
IMPORTANT  
Three fresh AA alkaline batteries must be installed for pro-  
gramming and operation of the thermostat and the heating/  
cooling system.  
R
RC  
O
W
Y
G
Install the batteries in the wallplate so the positive terminals all  
point up (see illustration).  
If the thermostat is already mounted on the wall, remove the  
thermostat by placing your thumb between the thermostat and  
wallplate and pulling the thermostat up and away as shown  
on the next page.  
INSTALL 3 AA ALKALINE BATTERIES  
AS SHOWN, POSITIVE (+) TERMINALS  
TOWARD TOP.  
M10622  
69-1532—2  
8
 
 
When the batteries are running low, a REPL BAT message flashes for one  
to two months before the batteries run out completely. Replace the  
batteries as soon as possible once the message flashes.  
IMPORTANT  
Although the thermostat has a low battery indicator, replace the  
batteries once per year to prevent leakage and to prevent the ther-  
mostat and heating/cooling system from shutting down due to lack  
of battery power in the thermostat.  
If you insert new batteries within 20 to 30 seconds of removing 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 Step 9. Set the Clock for instructions.  
M16424  
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. Nonalkaline batteries do not last as long and can  
leak, causing damage to the thermostat and the wall surface.  
STEP 6. SET FAN OPERATION SWITCH  
The thermostat fan operation switch, labeled FUEL SWITCH, is factory  
set in the F position. This is the correct setting for most systems. If your  
system is an electric heat system, set the switch to E. The E setting  
allows the fan to turn on immediately with the heating and cooling in a  
system where the G terminal is connected.  
M12676  
FUEL SWITCH  
9
69-1532—2  
 
 
STEP 7. MOUNT THE THERMOSTAT  
A. ENGAGE TABS AT TOP  
OF THERMOSTAT  
AND WALLPLATE.  
B. PRESS LOWER  
EDGE OF CASE  
TO LATCH.  
M12703A  
STEP 8. CUSTOMIZE YOUR THERMOSTAT  
Your Honeywell CT8602 Thermostat comes preset to the most commonly used settings. The settings are:  
Gas or oil forced air furnace.  
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.  
Press and hold down  
,
, and  
simultaneously until the display shows two numbers.  
You now can change any of these settings.  
69-1532—2  
10  
 
   
System Type (Feature Number 4)  
System type 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.  
FEATURE  
NUMBER  
OPTION  
M18750  
To change your system type:  
Press  
until display shows your furnace or boiler type.  
Run  
Program  
Press Time  
to move to next feature or  
to return to main display.  
Smart Response™ Technology (Feature Number 13)  
Smart Response Technology options are:  
— 0 = Smart Response Technology on (preset).  
— 1 = Smart Response Technology off.  
M18751  
To turn Smart Response Technology on or off:  
Press  
once.  
Run  
Program  
Press Time  
to move to next feature or  
to return to main display.  
NOTE: See Smart Response Technology section for information about this feature.  
Temperature Format (Feature Number 14)  
Temperature format options are:  
— 0 = °F (preset).  
— 1 = °C.  
M18752  
To change temperature format:  
Press  
once.  
Run  
Program  
Press Time  
to move to next feature or  
to return to main display.  
11  
 
69-1532—2  
Time Format (Feature Number 16)  
Time format options are:  
— 0 = 12-hour clock (preset).  
— 1 = 24-hour clock.  
M18753  
To change time format:  
Press  
once.  
Run  
Program  
Press Time  
to move to next feature or  
to return to main display.  
Heating Temperature Range Stops (Feature Number 34)  
Temperature range options are:  
— 90 = highest setting for heating setpoint (preset).  
— 40 to 89 = temperature range (1°F increments) of heating setpoint settings.  
Press  
or  
until the display shows the desired heating temperature range  
M18748  
stop.  
Press Time  
Run  
Program  
to move to next feature or  
to return to main display.  
Cooling Temperature Range Stops (Feature Number 35)  
Temperature range options are:  
— 45 = lowest setting for cooling setpoint (preset)  
— 46 to 99 = temperature range (1°F increments) of cooling setpoint settings.  
M18749  
Press  
or  
until the display shows the desired cooling temperature range  
stop.  
Press Time  
Run  
Program  
to move to next feature or  
to return to main display.  
to return to main display.  
Factory Set Function (Feature Number 37)  
Do not change this setting.  
Run  
Program  
Press Time  
to move to next feature or  
M18754  
69-1532—2  
12  
 
Furnace Air Filter Timer (Feature No. 43)  
Filter timer options:  
0 = off  
1 = 30 days  
2 = 90 days (preset)  
3 = 180 days  
M19600  
4 = 365 days  
To change your filter timer:  
Press  
until the display shows the desired number of days.  
Run  
Program  
Press Time  
to move to next feature or  
to return to main display.  
NOTE: The filter time is based on calendar days.  
Humidifier Pad Timer (Feature No. 44)  
Humidifier pad timer options:  
0 = off (preset)  
1 = 90 days  
2 = 180 days  
3 = 365 days  
M20246  
To change your humidifier pad timer:  
Press  
until the display shows the desired number of days.  
Run  
Program  
Press Time  
to move to next feature or  
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  
To change your UV lamp timer:  
Press  
until the display shows the desired number of days.  
M20247  
Run  
Program  
Press Time  
to move to next feature or  
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.  
13  
69-1532—2  
 
STEP 9. SET THE CLOCK  
Set Current Day and Time  
NOTE: On initial power-up, the screen flashes 1:00 pm until you press a key.  
Set Current  
Day/Time  
Press  
Press  
.
Day  
until screen shows current day.  
or until current time shows. (Tapping  
Set Current  
Day/Time  
Press Time  
advances time in one-hour increments.)  
Daylight  
Time  
Press  
until “DST” displays if daylight savings time is in effect.  
Run  
Program  
Press  
.
STEP 10. 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 and fan settings.  
There is an individual key for each of the four program periods:  
Wake  
—The program period when the house is at a comfortable temperature while you get ready for work or  
school. (This is a higher temperature during heating season and a lower temperature during cooling season.)  
—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 heating season and a higher temperature during cooling season.)  
—The program period when you want the house at a comfortable temperature for activities before bedtime.  
(This is a higher temperature during heating season and a lower temperature during cooling season.)  
—The program period you can set for an energy-saving temperature while you are sleeping. (This is a lower  
temperature during heating season and a higher temperature during cooling season.)  
Leave  
Return  
Sleep  
69-1532—2  
14  
 
   
Table 2 shows the default temperature settings.  
Table 2. Default Temperature Settings.  
Period  
Wake  
Time  
Heatinga Temperature  
70°F/21°C  
Coolingb Temperature  
78°F/25.5°C  
6:00 AM  
8:00 AM  
6:00 PM  
10:00 PM  
Leave  
Return  
Sleep  
62°F/16.5°C  
85°F/29.5°C  
70°F/21°C  
78°F/25.5°C  
62°F/16.5°C  
82°F/28°C  
a Your heating setpoints cannot be higher than 90°F (32°C) or lower than 40°F (4.5°C).  
b Your cooling setpoints cannot be higher than 99°F (37°C) or lower than 45°F (7°C).  
Program the First Day  
Start by programming the wake time and temperature for one day.  
Wake  
Press and release  
.
Day  
Press  
until the desired day displays (Mon, Tue, Wed, Thu, Fri, Sat, Sun).  
or until the desired time shows in the display.  
Press time  
NOTE: Program times are in 15 minute intervals. For example, 8:00, 8:15, 8:30.  
Press or until the desired 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.  
Heat/Cool  
Settings  
Press  
to switch between setpoints.  
NOTE: Program times are the same for heating and cooling.  
15  
 
69-1532—2  
Press  
Press  
or  
until the display shows the desired temperature setpoint.  
Leave  
Sleep  
Return  
,
or  
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.  
NOTE: After the first day is programmed, you can copy that day to any other day using procedure in Copy a Day.  
Run  
Program  
Press  
when the entire week is programmed.  
Copy a Day  
Your thermostat can copy program settings from one day to another.  
Wake  
Leave  
Return  
Sleep  
Press  
Press  
Press  
,
,
or  
to enter programming mode.  
Day  
until the display shows the day you want to copy.  
Copy  
.
Mon  
M13327  
M13328  
M13329  
Day  
Press  
Press  
until the display shows the day you want to copy to.  
Mon  
Wed  
Copy  
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.  
69-1532—2  
16  
 
Clear a Program Period  
NOTE: Wake cannot be cleared.  
Leave  
Sleep  
Return  
Press  
Press  
,
, or  
for the program period you want to clear.  
Day  
until the desired day displays.  
Leave  
Sleep  
Return  
Press and hold  
,
, or  
for approximately three seconds until time and temperature clear.  
Repeat the above steps for each period to be cleared.  
Run  
Program  
Press  
.
STEP 11. OPERATING YOUR THERMOSTAT  
Change Temperature Setting Until the Next Program Period (Temporary Change)  
Press  
or  
until the screen shows the desired temperature setting.  
NOTE: The temporary temperature setting is displayed for about three seconds and then the room temperature is  
displayed. Temporary appears in the display. The setting cancels when the next program period starts or  
Run  
Program  
when you press  
.
Change Temperature Setting Indefinitely (Hold)  
Move the System switch to the desired position (Heat or Cool).  
Hold Temp  
Press  
then  
or  
to change your setting if desired. (The display changes from showing the setpoint  
temperature to room temperature after approximately three seconds.)  
Run  
Program  
To cancel “Hold” press  
.
17  
 
69-1532—2  
 
Change the Temperature Setting Until a Designated Day and Period (Vacation Hold)  
Hold Temp  
Press  
twice.  
until display shows desired temperature setpoint.  
until the desired number of days that you will be away (1 through 255) is displayed.  
Press  
or  
Press Time  
Leave  
Sleep  
Return  
Wake  
Press  
,
,
or  
to select the program period when you want the program to restart.  
Run  
Program  
NOTE: If Vacation Hold needs to be cancelled before designated time, press  
to return to the program.  
Daylight Savings Time Key  
This feature allows you to switch between standard time and daylight savings time.  
Daylight  
Time  
Press  
Press  
during fall to set the time back one hour.  
in spring to set time forward one hour. DST is displayed when operating on daylight savings time.  
Daylight  
Time  
NOTE: Pressing Daylight Time key more than once in a five minute period scrolls through various time options.  
(One hour earlier or later, with or without DST. Pressing the key six times in a five minute period returns you  
to the original setting.  
View or Reset Timer Settings  
When the thermostat activates a timer, the thermostat flashes Filter until you reset the timer.  
Reset the timer by pressing the  
key until the expired timer is displayed.  
Press the Time  
key to reset the timer.  
Run  
Program  
Press the  
key.  
NOTE: You can view the number of days remaining at any time by pressing the  
key three or four times. If more  
key several times.  
than one timer is active, all active timers show sequentially when pressing the  
69-1532—2  
18  
 
For complete instructions on replacing or cleaning your furnace filter, humidifier pad or UV lamp, see the product  
STEP 12. SET THE FAN AND SYSTEM SWITCHES  
First set Fan  
switch.  
Fan On: The fan runs continuously. Use for improved air  
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.)  
On  
Fan  
Auto  
Fan Auto: Normal setting for most homes. The equipment  
controls the fan operation.  
Then set System  
switch.  
Heat: The thermostat controls your heating system.  
Off: Both the heating and air conditioning systems are off.  
Cool: The thermostat controls your air conditioning system.  
Heat  
System  
Off  
Cool  
19  
69-1532—2  
 
 
IF YOU HAVE A PROBLEM  
Table 3. Solution Guide.  
If...  
Then…  
Display does not appear.  
Make sure the batteries are fresh and installed correctly.  
Make sure the thermostat is mounted and latched on the wallplate.  
Mount and latch the thermostat on the wallplate if it is not.  
Temperature settings will not change  
(example; cannot set the heating higher  
or the cooling lower).  
Make sure the temperature setpoints are:  
40°F to 90°F (4.5°C to 32°C) for heating.  
45°F to 99°F (7°C to 37°C) for cooling.  
Check Customize Your Thermostat section, Feature Numbers 34 and  
35. Reset as necessary.  
Heating does not come on.  
Cooling does not come on.  
Set the system switch to Heat.  
Make sure heating setpoint is above room temperature.  
Make sure circuit breaker is not tripped, and reset it if necessary.  
Make sure power switch at equipment is in On position.  
Wait five minutes for the system to respond.  
Set the system switch to Cool.  
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 System switch at air conditioner is in On position.  
Wait five minutes for the system to respond.  
Wait five minutes after seeing flame or snowflake and check registers  
again. If no hot or cool air is coming from registers, refer to Heating does  
not come on or Cooling does not come on. Or contact your local heating  
and cooling contractor.  
System on indicator( = heat,  
cool) is lit, but no warm or cool air is  
coming from the registers.  
=
Display flashes during programming.  
The temperature setting limit was reached. Heating setting range is 40°F to  
90°F (4.5°C to 32°C). Cooling setting range is 45°F to 99°F (7°C to 37°C).  
69-1532—2  
20  
 
 
Table 3. Solution Guide.  
If...  
Then…  
Temperature change occurs at the  
wrong times.  
Check the program times for the period in question.  
Make sure the AM and PM settings are correct.  
Make sure the current time and day settings are correct.  
Reprogram any incorrect settings.  
NOTE: If your thermostat is set for Smart Response™ technology, the  
start times occur before your programmed comfort periods.  
Thermostat backlight appears dim.  
Wait until Replace Battery indicator is illuminated and replace batteries.  
Replace batteries now.  
Toll-Free Customer Assistance  
Please read and follow the instructions for this thermostat. If you have questions about this thermostat, visit our web  
21  
69-1532—2  
 
WIRING DIAGRAMS  
4-WIRE HEAT/COOL  
(JUMPER INTACT)  
2-WIRE HEAT-ONLY  
(JUMPER INTACT)  
THERMOSTAT  
THERMOSTAT  
B
B
RC  
O
W
Y
RC  
O
W
Y
R
G
R
G
HEATING  
COOLING  
CONTACTOR  
COIL  
FAN  
RELAY  
HEATING  
RELAY OR  
VALVE COIL  
RELAY OR  
1
VALVE COIL  
1
1
POWER SUPPLY. PROVIDE  
DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
1
POWER SUPPLY.  
PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
M10617  
M10616  
4-WIRE SINGLE-STAGE HEAT PUMP  
(JUMPER INTACT)  
3-WIRE HEAT ONLY WITH FAN  
(JUMPER INTACT)  
THERMOSTAT  
B
THERMOSTAT  
B
RC  
O
W
Y
R
G
RC  
O
W
Y
3
R
G
2
HEAT  
CHANGEOVER  
VALVE  
COMPRESSOR  
CONTACTOR  
2
HEATING  
COOL  
CHANGEOVER  
VALVE  
FAN  
RELAY  
1
FAN  
RELAY OR  
1
VALVE COIL  
RELAY  
1
POWER SUPPLY. PROVIDE  
DISCONNECT MEANS AND  
OVERLOAD PROTECTION AS REQUIRED.  
POWER SUPPLY. PROVIDE DISCONNECT MEANS  
AND OVERLOAD PROTECTION AS REQUIRED.  
1
2
3
M10618  
USE EITHER O OR B FOR HEAT PUMP CHANGEOVER.  
USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO Y.  
M12739  
69-1532—2  
22  
 
 
5-WIRE HEAT/COOL  
(JUMPER REMOVED)  
5-WIRE HEAT/COOL WITH DAMPER  
(JUMPER INTACT)  
THERMOSTAT  
B
THERMOSTAT  
B
RC  
O
W
Y
RC  
O
W
Y
R
G
R
G
HEAT  
DAMPER  
HEATING  
RELAY OR  
VALVE COIL  
FAN  
HEAT  
RELAY  
COMPRESSOR  
CONTACTOR  
COOLING  
CONTACTOR  
COIL  
RELAY  
1
1
COOL  
DAMPER  
FAN  
RELAY  
1
1
POWER SUPPLY. PROVIDE  
DISCONNECT MEANS AND OVERLOAD  
M10619  
1
POWER SUPPLY. PROVIDE  
DISCONNECT MEANS AND  
OVERLOAD PROTECTION  
AS REQUIRED.  
PROTECTION AS REQUIRED.  
M18738  
Notice:  
This thermostat is a Class B digital apparatus that complies with Canadian Radio Interference Regulations,  
CRC c. 1374.  
23  
69-1532—2  
 
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 International Inc. USA  
Dock 4 — MN10-3860  
Honeywell Canada:  
Honeywell Limited/Honeywell Limitée  
35 Dynamic Drive  
1885 Douglas Drive North  
Golden Valley, MN 55422  
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.  
Honeywell’s 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.  
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 Honeywell Customer Care, 1885 Douglas Drive North, Golden Valley,  
MN 55422-3992, or call 1-800-468-1502. In Canada, write Retail Products ON30 Honeywell Limited/Honeywell Limitée, 35 Dynamic  
Drive, Scarborough, Ontario M1V 4Z9.  
Automation and Control Solutions  
Honeywell International Inc.  
1985 Douglas Drive North  
Golden Valley, MN 55422  
Honeywell Limited-Honeywell Limitée  
35 Dynamic Drive  
Scarborough, Ontario  
M1V 4Z9  
Printed in U.S.A. on recycled  
paper containing at least 10%  
Download from Www.Somanpuoaslts-c.conosmum. eArllpaMpaernfuibaelrss.Search And Download.  
69-1532—2 J.S. Rev. 3-04  

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