4iE Smart WiFi Thermostat

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Why does my thermostat read a percentage?

The 4iE has a Regulator mode that controls the heating in 10 minute cycles.

The regulator setting is only meant for tile floors and regulates the heat of the floor using. This setting uses 10 minute cycles rather than the air/floor sensors. When applied, you will select a percentage and this represents the number of minutes the heat will be on out of every 10 minute cycle. For example, if you select 60%, the heat will be on for 6 minutes, followed by 4 minutes of the system being off. Then, after the 4 minutes, it will activate again for 6 and so on. This will continue until your programmed heating period ends or until you manually turn off the heat.


To exit regulator mode:

  • menu>setting>advanced setting>heater setting>regulator>SWITCH TO OFF by pressing up or down arrow>accept.

Refer to the programming manual for more information.