aerauliqa QR590E Installationshandbuch - Seite 16

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8.3 Maintenance

Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or

• Keep the unit surface free from dust.

• Clean the filters with a vacuum cleaner following the below illustrations (Fig. 8b-c-d-e-f-g) when the FILTER signal is displayed

on LCD. Their maintenance may differ per situation depending on the internal and external environmental conditions.

• Press FILTER button (Fig. 7.b - ) to reset the Filter Alarm.

• Filters must be replaced every year.

Fig. 8.b

Fig. 8.d

Fig. 8.f

WARNING

electrical work!

Fig. 8.c

Fig. 8.e

Fig. 8.g