THERMEx Sirius PM 24, Installation And User Manual

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7. SWITCHING OFF THE BOILER
In order to use your appliance trouble-free and efficiently for long years we recommend
scheduling annual maintenance, preferably at early winter season, by Thermex authorised
service.
WARNING: In order an -frostprotec on to be ac ve electric and gas supply to the boiler should
not be closed. Observe the requirements indicated in Paragraph 4. When the temperature inside
the boiler drops below 5°C the burner the an -frost protec on switches, turns on the burner and
heats the water up to 30°C.
To switch off the boiler press the ON/OFF bu on ( ). When the boiler is switched off
through this bu on the pump an blockage func on and an -frost protec on are ac ve and there
is electric current in the boiler. In order to switch off the boiler completely, switch the external
power supply fuse-circuit breaker to OFF posi on.
8. MAINTENANCE OF THE BOILER
Do not clean external surfaces of your appliance with detergent or chemical materials.
Check your installa on before making connec ons to the boiler and ensure that the installa on
pipes are free from dirt or any par cles.