Panasonic Fan ERV+DXPAW – 500ZDX3N

• Verification of the whole electrical installation and in; particular the tightening of the cable connections.

• Verification of the tightening of all bolts, nuts, flanges and; water connections that could be loose because of; vibrations.

6.3.1 Bioxigen purifying system check

Once a year at least or when a drop in purifying efficiency is; felt cleaning of capacitor shall be done.

In order to service Bioxigen system, following instructions; shall be carried out :

• Switch off the whole unit (main power supply off)

• Unscrew the 4 fixing screws of Bioxigen system, operating; from the lower side of the unit close to supply air duct; connection

• Drop off the module (accomodating its fall) until the; quartz capacitor is fully out of the unit

• Unlock the electric connector

6.2.1 Checking and cleaning of heat exchangers and filters

Release the 2 screws of the inspection panel with the; proper handle.

Take the hexagonal heat exchangers out through the proper; handles

Remove the 2 filter by making them scroll on the slides

ClEANING Of ThE hEAT EXChANGERS

Remove with the vacuum cleaner the dust that can be; present inside the heat exchangers and verify that there are; no foreign objects.

ATTENTION: you must not wash the heat exchangers. If; they are excessively dirty or damaged, they have to be; replaced.

Remove the dust on the filters using a vacuum cleaner.