What are the dimensions of the hole for mounting the glass frame?
The dimensions of the hole is 55mm
Why does the app display an E1 error?
This is because the thermostat's "Sensor Selection" is set to "OUT" for an external sensor, but no external sensor is actually connected to the thermostat, resulting in the ERR1 error code. Simply set
What is the maximum power?
Electric heating uses a 16A relay, heating and water gas boiler use a 3A relay.
