Honeywell TL8100 Owner's Manual - Page 1

TL8100 7 DAY PROGRAMMABLE HYDRONIC THERMOSTAT 1. DESCRIPTION This thermostat can be used to control the following heating systems: USER GUIDE • 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 preset buttons Time and day Programming buttons Temperature adjustment buttons Temperature Mode and preset temperature indicators Low-battery indicator Heating indicator 2. 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. Appears during the setpoint display To adjust the setpoint, press one of the desired temperature is displayed. buttons until the Preset Temperatures The thermostat has 3 preset temperatures: Preset temperature Default value Comfort temperature 68°F (20°C) Economy temperature 64°F (18°C) Vacation temperature 50°F (10°C) To use a preset temperature: Press the corresponding button ( , or ). The temperature and the corresponding icon will be displayed. To change a preset temperature: 1. Set the desired temperature using the buttons. 2. Press and hold the corresponding button ( , or ) until the icon is displayed on the screen (approximately 3 seconds). 69-2018EFS-01