Honeywell Q682A User Manual
Heating/Cooling
Thermostat and Subbase
Package
T8196A/Q682A
OWNER'S MANUAL
Congratulations on your purchase of a Honeywell energy saving thermostat. The Honeywell
name is your assurance of accurate control and reliable operation for years to come.
During heating and cooling, this thermostat will automatically lower and raise the temperature
in your home one or more times every 24 hours. This allows you to significantly lower your fuel
costs, while awakening (or returning home) to a comfortable temperature.
Read this manual to learn how to use your new thermostat.
Recycling Notice
This control contains mercury in a sealed tube. Do
M3375
not
place control in the trash at the end of
its useful life.
not
If this control is replacing a control that contains mercury in a sealed tube, do
place your
old control in the trash.
Contact your local waste management authority for instructions regarding recycling and the
proper disposal of the control, or of an old control containing mercury in a sealed tube.
If you have questions, call Honeywell Inc. at 1-800-468-1502.
2 69-0636—1
Table of Contents
PAGE
Features Of Your Thermostat .......................................................................................................... 4
Setting The Temperature ................................................................................................................. 6
Inserting Timer Batteries .................................................................................................................. 7
Setting The Timer............................................................................................................................. 8
Programming.................................................................................................................................... 9
Troubleshooting ............................................................................................................................. 12
Warranty......................................................................................................................................... 19
3 69-0636—1
Features Of Your Thermostat
1 FLlP-UP COVER. Lift it up to set timer for
energy savings and comfort temperature
periods.
2 THERMOSTAT COVER. Lift up to show
timer.
3 THERMOMETER. Provides room tempera-
ture reading.
4 TEMPERATURE SETTING LEVERS Left
(blue mark) controls the low temperature,
right (red mark) controls the high temperature.
5 TIMER. This timer provides a 24-hour
slotted dial to hold the programming pins.
6 TIMER SETTING KNOB. Turn clockwise to
match the correct AM or PM time to the time
indicator.
7 TIME INDICATOR. Arrow head indicates
time for 24-hour dial.
8 PROGRAM INDEX WHEEL. Controls high
and low temperature at specific time of day
as set by program pins.
9 PROGRAM PINS. Must be inserted into 24-
hour timer dial slots to control program
index wheel.
4
1
3
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2
M8723
10
5
9
6
8
7
11
M8722
12
O
B
W
Y
COOL
HEATON
M2385
FAN
R
G
AUTO OFF
10 PIN SLOTS. Located on 24-hour dial at
10-minute intervals for program pin
insertion.
11 MERCURY BULB AND BIMETAL ELE-
MENT (2). Provide automatic temperature
control by switching the heating or cooling
system on and off.
12 SUBBASE. Provides mounting base, wiring
connections and manual switching control
for heating/cooling thermostat.
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Setting The T emperature
For Heating
Set the left lever (blue mark) to the energy
savings temperature you want when you are
sleeping or your home is unoccupied.
Set the right lever(red mark)to the temperature you want for comfort periods.
NOTE: You may bypass the time program by
setting both the red and blue levers to the
same temperature set point.
For Cooling
Set the left lever (blue mark) to the temperature you want for comfort periods.
Set the right lever (red mark) to the energy
savings temperature you want when you are
sleeping or your home is unoccupied.
LOW TEMPERATURE
SETTING LEVER
50
50
607080
60 70 80
HIGH
TEMPERATURE
SETTING
LEVER
M8586
Fig. 1—Setting high and low temperature
levers.
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