Changing the PPB 30 air filter

ATTENTION: Observe the safety instructions for air filters.

WARNING when working on a ladder. Risk of injury in the event of a fall. Make sure that your footing is secure. Secure the working area.

Switch off the mains fuse and secure it against being switched on again.
	Loosen unit cover. To do so, lightly push in the two catches, at the bottom of the cover, with a pointed object.
	Pull the cover forward on the lower edge and remove it.
	Remove both of the used air filters (→ arrows).
	Insert new air filters. Always change both air filters.
	Hook in the cover in the upper area.
	Swing the cover downwards until both catches engage in the housing.
Switch the mains fuse on. Acknowledge the filter change on the room air control.