The red LED screen indicates that the thermostat on the heater is calling for heat and the heater is using electricity. Once the thermostat on the heater has reached its desired temperature the heater will stop using electricity and the LED screen colour will change to green the next time the control knob is turned.
OPEN WINDOW & DOOR DETECTION
Part of the Lot20 compliance is to have this feature. This can be set in the parameters of the heater or on the APP. When switched on and using power, should the Smart thermostat detect a sudden drop in temperature, it will automatically turn off the heater to save energy.
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