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Mini Bio and Mini Bio Luxury User Manual - ENGV 08.15
Experts in heating
4. Mini Bio / Mini Bio Luxury boi l er design (as a co m p l e t e h ea t ing device)
4.F Boiler sensor installation
The boiler is fitted with a safety temperature limiter STB factory set to
90°C. If the set temperature is exceeded, the STB stops the burner
and the fuel feeder operation and an alarm message is displayed.
Check and remove the cause for boiler overheating. Allow the boiler
to cool, remove the STB nut and press the button.
The boiler temperature sensor [5] and the STB [4] must be installed in
the boiler temperature sensor casing [6]. The sensors must be fixed
securely.
1. safety temperature limiter (STB) switch cover
2. safety temperature limiter (STB) mounting nut
3. safety temperature limiter (STB)
4. safety temperature limiter STB temperature sensor
5. boiler temperature sensor
6. boiler temperature sensor housing,
Caution!
Incorrect boiler sensor
installation may result in
overheating and faulty
system operation.
Fig. Sensor installation