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Instructions in accordance with Directive 2014/34/EU
Interface sensor Type SEPARIX-C ...
I
Range of application
The interface sensor is used as part of a monitoring system for oil/water separators and serves for the
detection of an interface between water and light liquids. When the layer thickness of the light liquid
reaches the switching point of the sensor, an alarm signal is produced via the associated measuring
transducer.
II
Standards
The equipment is designed in accordance with the following European standards
EN 60079-0:2012 + A11:2013
EN 60079-11:2012
III
Instructions for safe ...
III.a
... use
The interface sensor sensor is designed as intrinsically safe apparatus and is approved for use in poten-
tially explosive areas. The sensor may be used for gas groups IIA and IIB.
The approval applies to the device versions
SEPARIX-C H
SEPARIX-C L Plus
III.b ... assembling and dismantling
Dismantling of the interface sensor is not provided. Dismantling would also damage the interface sensor
and invalidate the approval.
III.c
... installation
All wiring operations must be carried out with the power disconnected. Special rules and regulations,
including EN 60079-14 and local installation regulations, must be observed.
The interface sensor is suspended from its cable immersed in the liquid to be monitored. The sensor
must be installed so that the switching point is (below the liquid surface) at the level at which the alarm
is to be signalled as soon as any light liquid occurs there.
The interface sensor version 1 is equipped with a permanently connected blue cable (3× 0.5 mm²). This
cable is allowed to be shortened or lengthened. For cable extensions, a suitable junction box for the
respective ambient conditions must be used. Version 2 is equipped with an M12 connector.
When wiring the interface sensor to the measuring transducer (preferably blue coloured cable), the
permissible inductance and capacitance must not be exceeded. The connection to the measuring trans-
ducer has to be proceeded in accordance to the measuring transducer instructions.
Version 1
Colour
White
Green
Brown
Table III.c: Terminal assignment of the sensor
The integration of the interface sensor into the equipotential bonding is not required.
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FAFNIR GmbH
Schnackenburgallee 149 c
Equipment - General Requirements
Equipment protection by intrinsic safety "i"
Enclosure and cable protection for aggressive media
Enclosure for non-aggressive media
Wire
Pin
Power supply +
1
Frequency signal
2
Power supply -
3
4
22525 Hamburg
Version 2
Wire
Power supply +
A / frequency signal
Power supply -
B
Tel: +49 / (0)40 / 39 82 07-0
TÜV 03 ATEX 2368 X
Edition: 03.2018
M12-Cable (Female)
www.fafnir.de
info@fafnir.de
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