Videotec DBH18 - MEDUSA - Manual (Page 13)

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6.3.4 Fan version
The fan version of the housing has two side
filters on the aluminium body, protected by the
cover, while two additional fans are installed
in the adapter ring, to circulate air from the
inside to the outside of the housing.
Fig. 21
Fig. 22
This makes it possible to lower the temperature
difference between inside and outside when
the housing is used at high temperatures.
Using this application means the
housing will lose its IP66 rating.
6.3.2 Earthing
If the input voltage is 230Vac, earth the housing
applying the two supplied cables to the cover and
body using M3*6T screws and the toothed washers.
Complete the cabling inserting the fastons into the
corresponding seats on the HEATER auxiliary board.
Fig. 19
6.3.3 Closing the housing
Disseccant
salt sachet
Fig. 20
Take the dessicant salt sachet out of its transparent
pack and insert it into the pocket shown in figure.
Close the housing by positioning the cover correctly
and fastening the top down using the four screws
h Only now is it possible
to power the housing