TL8100 69-2018ES 11/28/06 1/2
This thermostat can be used to control the following heating systems:
• gas, oil or electric systems
• hot water heating
• hot air system with no fan control
• millivolt system (e.g., gas fireplace)
• electric heating up to 1200 W @ 240 V max.
2.1 Setpoint Temperature
The thermostat normally displays the
measured ambient temperature. To
view the setpoint temperature, briefly
press either of the buttons. The
setpoint temperature will appear for 5
seconds.
To adjust the setpoint, press one of
the buttons until the desired
temperature is displayed.
2.2 Preset Temperatures
The thermostat has 3 preset temperatures:
To use a preset temperature:
Press the corresponding button ( , or ). The temperature and
the corresponding icon will be displayed.
To change a preset temperature:
n Set the desired temperature using the buttons.
o Press and hold the corresponding button ( , or ) until the
icon is displayed on the screen (approximately 3 seconds).
n Set the time, using the HOUR and MINUTE buttons.
o Set the day, using the DAY button.
Use automatic mode if you want the thermostat to
follow the programmed schedule. The thermostat will
switch from the Comfort temperature to the Economy
temperature, or vice versa according to the schedule.
To use the automatic mode, press the Manual/Auto
button repeatedly until appears on the screen.
4.1 Temporary Bypass
You can bypass the temperature setpoint of the current period when
the thermostat is in Automatic mode.
To do so, press one of button until the desired temperature is
displayed or select a preset temperature by pressing the correspond-
ing button ( , or ).
You can cancel the bypass, by pressing the Manual/Auto button
twice, before it cancels automatically at the start of the next period.
4.2 Schedule Programming
You can program up to 4 periods in a day. The Comfort temperaure is
used in periods 1 and 3 and the Economy temperature is used in
periods 2 and 4. The start time of each period can be different for
each day of the week.
For each day, enter the time you wake up (period 1), the time you
leave for work (period 2), the time you return home (period 3) and the
time you go to sleep (period 4):
Note: For periods 1 and 3, set the start time earlier by at least
15 minutes for every 2°F (1°C) that the temperature needs to
rise. For example, if you lower the temperature by 6°F (3°C) at
night and you wake up at 7:00 a.m., set period 1 to 6:15 a.m.
• Press Program to enter the programming mode. The thermostat
will display MO (Monday) and PROG 1 (period 1).
• To select another day, press Day.
• NOTE: To select all 7 days, hold Day for 3 seconds. When all 7
days are selected, the start time of the period being displayed
will be the same every day.
n
Description
1.
o
Temperature Display and Setting
2.
Preset temperature Default value
Comfort temperature
68°F (20°C)
Economy temperature
64°F (18°C)
Vacation temperature
50°F (10°C)
Programming
buttons
Temperature
preset buttons
Temperature
adjustment
buttons
Time and day
Temperature
Mode and preset
temperature
indicators
Heating
indicator
Low-battery
indicator
Appears during the
setpoint display
p
Set the Time and Day
3.
q
Automatic Mode
4.
Period Associated Temperature Time
1
Comfort
Wake up
2
Economy
Leave home
3
Comfort
Return home
4
Economy
Sleep
TL8100
User Guide
Programmable Thermostat
400-140-006-A (69-2018ES Honeywell TL8100 User Guide) ENG.fm Page 1 Tuesday, November 28, 2006 3:13 PM
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