Changing air filters

ATTENTION

Change the air filters as described in the following chapters.

Confirm the successful filter change.

The filter change indicator flashes when the filter is due to be changed.


RLS 45 K: Current LED flashes. Performing and acknowledging filter change: Press and hold both buttons for 5 seconds.

Safety

CAUTION Air filter: Using the unit in areas without appropriate air filters can cause serious damage to health. Breathing difficulties, infections, risk of suffocation, eye injuries due to smoke, vapours, fibres, construction foam, mould, particles from outside.

• Operation of the ventilation unit in areas with the aforementioned substances is not permitted.
• Switch off the ventilation unit, especially in dangerous situations (fire).
• Never block the air supply.
• The air filters are housed in the slide-in module. Only use authorised original air filters.
• Dispose of the filters properly as they may contain harmful substances and allergens. Wear personal protective equipment (mask).

DANGER due to electric shock

Observe the safety rules of electrical engineering. Before removing covers and installing the electrics, switch off all supply circuits and secure them against being accidentally switched back on again.

CAUTION Cuts due to sharp edges on sheet metal or housing cut-outs or on the slide-in module.

Wear protective gloves. Do not damage connection cables.