Honeywell Programmable Thermostat User manual
69-0862—21
J.S. • Rev. 5-96
Electronic
Programmable Thermostat
Owner’s Manual
69-0862-2
69-0862—22
Table of Contents
Programming Your Thermostat .................................................................................................. 3
Program Schedule...................................................................................................................... 5
Set Current Time/Day ................................................................................................................ 6
Heating Program ........................................................................................................................ 6
Cooling Program ........................................................................................................................ 7
Operating Your Thermostat ......................................................................................................... 7
Using Programming Features.................................................................................................... 7
Setting Fan Switch ..................................................................................................................... 9
Setting System Switch ............................................................................................................... 9
Maintaining Your Thermostat.................................................................................................... 10
Installing Batteries.................................................................................................................... 10
Troubleshooting Guide .............................................................................................................. 12
Limited One-Year Warranty ............................................................................. Inside Back Cover
69-0862—23
Programming Your Thermostat
When batteries are installed, your thermostat
can be programmed in your hand before it is
installed or after it is mounted on the wall. For
instructions on installing or replacing the
batteries, refer to the MaintainingYour Thermo-
stat section.
Refer to the personal Program Schedule on
page 3 to program your time and temperature
settings for various times of the day.
Four time periods are available during
weekdays — WAKE, LEAVE, RETURN, and
SLEEP. During weekends, only the WAKE and
SLEEP time periods are available. View these
periods individually on the display when you
press the Set Schedule key.
WAKE is the time the thermostat turns on
the heating/cooling equipment after an
energy saving period. When deciding
what time to set for your WAKE period,
include extra lead time, depending on
the outside temperature and your
furnace response time, to give the
furnace a head start to heat the house
before you get up. (This will be a higher
temperature during heating season, and
a lower temperature during cooling
season.)
LEAVE is the time period you can set for
an energy-saving temperature while you
are away at work or school. (This will be
a lower temperature during heating
season, and a higher temperature
during cooling season.)
69-0862—24
RETURN is the time the thermostat turns
on the heating/cooling equipment after
an energy saving period. When deciding
what time to set for your RETURN
period, include extra lead time, depend-
ing on the outside temperature and your
furnace response time, to give the
furnace a head start to heat the house
before you arrive home.
SLEEP is the time period you can set for
an energy-saving temperature while you
are sleeping. (For more comfortable
sleeping, some people choose not to
raise the cool temperature during the
night.)
You will set one schedule for weekdays and
another for weekends because your require-
ments will probably be different for each.
Fill in the times and temperatures you desire
for weekdays and weekends. If you decide not
to program the thermostat, it automatically
controls heating at 68°F (20°C), and cooling at
78°F (26°C), 24 hours a day. Also, you do not
need to enter a time and temperature program
for all periods if your schedule does not require
it. For example, a house that is occupied during
weekdays would only require programs for
WAKE and SLEEP.
When pressing the keys, use the ball of your
finger or a soft pencil eraser.
NOTE: Use of sharp fingernails or pencil
points can damage the keypad.
If you make an error at any time during
programming, just press the Run Program key,
and continue again at the last step.
69-0862—25
Program Schedule HEATING PROGRAM SCHEDULE
Weekdays Start Time Heating Temperature Cooling Temperature
WAKE __________ ____________________ ____________________
LEAVE __________ ____________________ ____________________
RETURN __________ ____________________ ____________________
SLEEP __________ ____________________ ____________________
Weekends
WAKE __________ ____________________ ____________________
SLEEP __________ ____________________ ____________________
WAKE and RETURN start times should include extra lead time, based on outside temperature
and furnace response time, to give your furnace a head start to heat the house.
The temperatures cannot be set higher than 88°F (31°C) or lower than 45°F (7°C).
NOTE: If you decide not to program the thermostat, it will automatically control heating at 68°F
(20°C), and cooling at 78°F (26°C), 24 hours a day.This guide can be used for program-
ming your new thermostat.
2
1
1
1
2
2
1
69-0862—26
IMPORTANT
Batteries are required for operation and
programming. When inserting batteries,
set the system switch to OFF. Remove
the battery door (on the thermostat left
side) using a coin at the bottom. See
Maintaining Your Thermostat section.
SET CURRENT TIME/DAY
To set the time, press and release the Set
Clock/Day key once. Press the Time keys until
the current time shows.
To set the day, press and release the Set
Clock/Day key again. Press the Time keys until
the current day shows. Press the Run Program
key.
HEATING PROGRAM
With the system switch at HEAT, press and
release the Set Schedule key once.WAKE,
Mon-Fri, and SET appear on the display.
Use Time keys to program WAKE time and
Temp keys to program WAKE temperature for
Mon-Fri. Repeat sequence for LEAVE, RE-
TURN, and SLEEP.
M8473
Auto On
Fan
Cool Off Heat
System
TU
AM
LEAVE
USE TO
SET CURRENT
DAY AND TIME
USE TO SET
PROGRAM PERIOD
USE TO SET
TIME LATER
USE TO
SET COOLER
TEMPERATURE
USE TO SET
WARMER TEMPERATURE LCD DISPLAY
USE TO SET
TIME EARLIER RUN
PROGRAM
KEY
HOLD
TEMP
KEY
69-0862—27
Press Set Schedule key until WAKE, SA SU
and SET appear on the display.Use Time keys
to program WAKE time and Temp keys to
program WAKE temperature for Sat-Sun.
Repeat the sequence for SLEEP.
COOLING PROGRAM
With system switch at COOL, follow the
same instructions as for the Heating Program.
After programming, adjust the fan and
system switches, as desired. Press and release
Run Program key to start the program.
Operating Your Thermostat
USING PROGRAMMING FEATURES
Temporarily Change temperature for
current period only—
Press Temp keys to set desired temperature.
The change cancels itself at the next scheduled
program change; to cancel sooner, press the
Run Program key.
Hold a temperature indefinitely—
Press HoldTemp key once.Press Temp
keys until display shows desired temperature.
Press Run Program key once to return to the
program.
69-0862—28
Check CurrentTemperature Setting—Press
Run Program key once. If using TEMPORARY
CHANGE or HOLD features, pressing this key
cancels your change.
Check Programs—Press Set Schedule key
repeatedly to see each time and temperature.
Press Run Program key once to return to the
program.
Cancel a program—Press Set Schedule
key until the program to cancel shows. Pressing
the two Time keys together cancels the
program.
Permanently Change a program—Repeat
the steps in the Heating Program or Cooling
Program sections, as applicable.
Return to the normal program or the starting
program—Press Run Program key once.
69-0862—29
SETTING FAN SWITCH
Fan switching positions are:
FAN AUTO: Normal setting for most
homes. A single-speed fan turns on
automatically with the air conditioner or
furnace. A two-speed fan usually runs
on high with the air conditioner and runs
on low with the furnace.
FAN ON: The fan runs continuously. Use
for improved air circulation during
special occasions or for more efficient
electronic air cleaning.
SETTING SYSTEM SWITCH
System switching positions control thermo-
stat operation as follows:
COOL: The thermostat controls the air
conditioning system.
OFF: Both the heating and air conditioning
systems are off.
HEAT: The thermostat controls the heating
system.
M5783
Auto On
Fan
Cool Off Heat
System
FAN SWITCH SYSTEM
SWITCH
TU
AM
LEAVE
69-0862—210
Maintaining Your Thermostat
INSTALLING BATTERIES
IMPORTANT
Batteriesmustbeinstalledforprogramming
and operation of the thermostat and heat-
ing/cooling system.
1. Purchase two AA alkaline batteries;
nonalkaline batteries do not last as long, and
can leak, causing damage to the thermostat or
wall surface. We recommend Energizer®
batteries.
2 Make sure the thermostat is set in the
OFF position.
3. Use a coin to remove the battery door.
4. Install the fresh batteries, making sure the
positive and negative terminals are oriented
correctly.
5. Replace the battery door.
As the batteries are running low, the
bAt Lo
indicator flashes for one to two months before
the batteries run out completely.Replace the
batteries as soon as possible after the indicator
starts flashing.
M5781
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