Programmable WiFi Timerstat for electrical Underfloor Heating - Black The ET-81 is a smart Timerstat used to control your electric underfloor heating system to minimise energy use. Signature Features Supply voltage: 85-265V 50/60Hz Maximum switching current: 15A/3.3KW Standby power: < 1W IP21 Temp calibration: Calibrate the temp detected by the room sensor or floor sensor. Anti-frozen function: This option allows you to prevent your room from freezing in really cold weather. Sensor select: Room sensor: Run by room sensor. Floor sensor: Run by floor sensor. Both sensors: Run by room sensor with floor temp limit. Floor temp limit: Always use floor sensors for underfloor heating. Temp unit: degree C and degree F can be selected. Output delay: This option helps you avoid inadvertent operation on heating. Temp tolerance: The value is 1 degree C. The thermostat starts to heat when the actual temp is 1 degree C lower than the set temp and stops heating when the actual temp is 1 degree C higher than the set temp. Brightness: This option allows you to change the brightness of the display. Energy use: N/A. Schedule: Select a weekly schedule to edit. There are 2 options: 7: Each day from Monday to Sunday can be set individually. 5+1+1: 5 days from Monday to Friday have the same events, Sat and Sun can be set individually. Adaptive function: After several days of installation and use, the Adaptive function ensures that the required temp has already been reached when the next event begins. Only switch on when the regular heating pattern is established. Reset: Yes - All parameters are restored to default values >
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