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5.0 Operation
Fig. 13. Indication for collection jar full
Filter blocked
Fig. 14. Indication for fi lter blocked
Electronic fi lling level monitoring
The ATMOS S 351 Natal is equipped with an electronic fi lling
level monitoring which, in VE mode, does not affect the per-
formance of the pump. The vacuum is not decreased. The
alarm signal for a full jar (fi g. 13) appears in regular intervals.
In suction mode, the pump is switched off when the maximum
fi lling level is reached. The device gives an audible signal and
the indication for full jar
The maximum fi lling level is reached when the liquid comes
into contact with the sensor (
system. If a large amount of foam is generated, you should fi t
the enclosed anti-foaming device over the sensor so that the
unit does not switch off prematurely. As soon as the sensor is
no longer in contact with the liquid (e.g. on replacing the double
connecting nipple), the unit switches on again.
Changing unities
The display of the ATMOS S 351 Natal can be adjusted to
3 unities: mbar, mmHg and kPa. This switching-over is descri-
bed in chapter 5.3, page 28.
Electronic fi lter monitoring
The ATMOS S 351 has an electronic fi lter monitoring which
monitors whether the fi lter is blocked. The pump does not
switch off when the fi lter blocked state is detected so that work
can continue. Change the fi lter as soon as possible or clean the
fi lter in accordance with the instructions in chapter 6.0 when
this message is displayed.
The message is also displayed when the hose is pinched
near the unit. This message is also displayed while the
drainage accessories are connected. Remove the parts
in question in this case.
(fi g. 13) appears.
, Fig. 3, page 11) in the closure
17
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