TL8100
7 DAY PROGRAMMABLE HYDRONIC THERMOSTAT
DESCRIPTION
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.
TEMPERATURE DISPLAY AND SETTING
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
the desired temperature is displayed.
Temperature
preset buttons
Programming
buttons
Temperature
adjustment
buttons
Appears during the
setpoint display
buttons until
Preset Temperatures
The thermostat has 3 preset temperatures:
Preset temperature
Comfort temperature
Economy temperature
Vacation temperature
To use a preset temperature:
Press the corresponding button (
temperature and the corresponding icon will be
displayed.
To change a preset temperature:
1. Set the desired temperature using the
tons.
2. Press and hold the corresponding button (
) until the icon is displayed on the screen
(approximately 3 seconds).
USER GUIDE
Time and day
Temperature
Mode and preset
temperature
indicators
Low-battery
indicator
Heating
indicator
Default value
68°F (20°C)
64°F (18°C)
50°F (10°C)
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