Page 70 of 85
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Attention: Work at 115V/230V installations must be generally carried out by
electro-technically trained personnel or specialized companies, according to
the relevant technical regulations
7.6.3 Viasis with photovoltaic solar support
Attention: Never operate the Viasis with solar panel and disconnected main
battery. Always connect the battery first before the solar panel.
The solar charge module needs a buffer battery for proper operation and the clamp
voltage of the solar module may rise in bright sun light to a destructive level for the electronic
without connected lead-acid gel battery.
7.7 Operating temperature
The semiconductor components used in our production including the LED’s are specified for
industrial applications. That means an operating temperature range from -40 to +85 Celsius
is guaranteed by the manufacturer.
The microwave transceiver is specified for an operating temperature range from -
20 to +70
Celsius. Outside these limits the manufacturers give no guarantee for a faultless function.
7.8 Water protection
The industrial housing protection class is IP64 (compare EN 60529). IP64 means that the sys-
tem is protected against intrusion of dust and the housing protected against water splashing
from any direction. The housing is in any case sealed against rain water.
Another thing is the problem of humidity, because the housing has two small drillings (Ø 2mm)
at the housing bottom for pressure balancing. Strong temperature differences between a hous-
ing interior and the surrounding produce a low pressure situation in the housing interior. Slow
pressure compensation with the intrusion of humid environmental air may settle down moisture
on the surface of the interior housing walls, also at the inner side of the front pane. The hous-
ing has the two drill holes in the frame on the bottom side for pressure balancing and the drain
of condensing water.
7.9 Radio wave interference
Through the use of stereo-channel Doppler transceiver (radio wave transmitter and receiver)
and an appropriate measure procedure with steady signal supervision the display of speed val-
ues caused by interfering radio waves of other systems can be excluded.
If the interfering signal is much stronger than the received radar signal of the viasis then the
system stops operation. In such rare case you need to change the measurement place.