Proline PROHP81 Manual page 77

4. If necessary, clean the heat exchanger once
every 2 months.
Do not touch the heat exchanger with your
hand!
Remove the fluff from the heat exchanger using a vacuum cleaner with a dusting
brush attached. Clean the heat exchanger without applying any pressure.
5. Place the filter base back into position. Fasten the 3 locks and make sure
that they are secured.
6. Close the cover until a click is heard.
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