De Witte SANI-ZONE 105.100.120 Manuel D'utilisation page 8

7. REPLACING THE OZONE MODULE
When the air purifier no longer produces enough ozone to be effective, the
ozone module should be
working hours)
How to replace the ozone module:
Turn off the power supply.
Pull out the ozone plate module directly by hand.
Install new ozone plate module (be careful not to drop the plate module
replaced. (Usually it should be replaced after 6000
).
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