Cleaning The Air Flow Meter; Cleaning The Flue - Flue Connection; Cleaning The Exchanger With Turbulator-Shaker Device - Ferroli NATURFIRE 30 HR Installation, Use And Maintenance Manual

5.4 Cleaning the air flow meter

The air flow meter (it measures the flow of combustion air) installed inside the inlet pipe requires periodical internal
cleaning every 3-4 months, using suitable equipment (blowing compressed air or suitable brushes).

5.5 Cleaning the flue - flue connection

The flue connection must be cleaned at least once a year or whenever necessary.
Cleaning requires the suction and removal of the residuals in all the vertical and horizontal sections as well as the
bends from the unit to the flue.
It is advisable to also clean the flue every year, to ensure correct and safe evacuation of fumes.

5.6 Cleaning the exchanger with turbulator-shaker device

The fume ducts inside the heating chamber must be cleaned at least once every 2-3 days by operating the two
knobs repeatedly with an upward and downward movement.
- Do this with the boiler off and cold.
- At the end of the operation make sure the turbulators are in the rest position on the lowest level.
RH - LH control knobs of the turbulator-
shaker device in boiler operation low
position.
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NATURFIRE 30-35-39 HR