Kostrzewa Mini Bio Luxury Notice Technique page 59

6. Installation
6.12 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. Alarm 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 [4] and the STB [5] must be installed in the boiler
temperature sensor casing [6]. Sensors must be secured against falling out.
1. safety temperature limiter (STB)
2. safety temperature limiter (STB) mounting nut
3. safety temperature limiter (STB) switch cover
4. boiler temperature sensor
5. safety temperature limiter STB
temperature sensor
6. temperature sensor housing
Leader in pellet boilers
CAUTION!
INCORRECT BOILER SENSOR INSTALLATION MAY RESULT
IN OVERHEATING AND FAULTY SYSTEM OPERATION.
Mini Bio Luxury 12; 21kW User Manual – EN 10.17
59