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Safety Precautions
Fitting, wiring, initial start-up and maintenance operations must be done by trained technicians.
All European and local rules for electrical instruments must be respected.
The device may only be connected to intrinsically safe measuring circuits which comply with the specifications
included in the technical data and on the serial plate.
The device must be disconnected from all sources of power during installation and maintenance work.
The device may only be operated under the conditions specified in the operating instructions.
Respect all recommendations, for installation and mounting of Ex devices, from standards EN60079-14 and
EN600079 CENELEC.
The device should not be modified or completed with anything.
All cables to connect the sensor must be out of any place where electrostatic risk exists.
Important: the NIVOIL system must be fitted according to technical instructions.
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DESCRIPtION
Designed for the monitoring of hydrocarbon fluids separators, the converter nivoil may be
EN
connected to 1, 2, or 3 sensors.
Hydrocarbon fluid layer thickness sensor to detect when the maximum thickness is reached.
Overfill sensor to detect when the fluids are on the highest level; this can occur in case of
dysfunction of a filter, when a float-valve closes to prevent an overfilling, when the level of fluid
is too high.
Sludge layer sensor to alarm when maintenance is necessary.
Detection of sludge maximal level, as soon as the sludge reaches the sensor, the alarm is
switched on.
the 3 sensors may be connected to any input of the alarm device nivoil. any combination
of the sensors can be wired. the instrument recognizes automatically the sensor type. a LeD
indicates the sensor type on the diagram on the front board. When an input is not wired, the
LeD is off. the alarm device nivoil has a built-in buzzer; it is possible to disable its function by
a Dip switch configuration.
msx531-01_B
11-05-2010
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