28
Fig. 8.e
Fig. 8.f
MANUTENZIONE ORDINARIA
MANUTENZIONE STRAORDINARIA
Fig. 8.j
Fig. 8.i
Fig. 8.h
Fig. 8.g
MANUTENZIONE ORDINARIA
MANUTENZIONE STRAORDINARIA
• Clean the heat exchanger every year with a vacuum cleaner. This may differ per situation depending on internal and external
environmental conditions and on frequency of filter cleaning (Fig. 8.e-h-i-j).
8.4 Service
WARNING
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or
electrical work!
WARNING
The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in
accordance with local rules and regulations.
• Keep the unit surface free from dust.
• Once every 3 months (fixed period), the unit warns the user to perform the filter maintenance (Fig. 7.b - ). The actual need
to perform this operation may vary depending on indoor and outdoor ambient conditions.
• Clean the filters every 3 months with a vacuum cleaner (Fig. 8.e-f-g).
• Press the CTRL-V button (Fig. 7.b) to reactivate the filter alarm.
• Replace the filters every year.
e
k
