This manual provides installation, operation and routine maintenance instructions for
the FAUDI Aviation AFGUARD
®
electronic water sensor.
Read this manual and ensure that you fully understand its content before you attempt
to install, use or maintain the AFGUARD
®
electronic water sensor.
Important safety information is highlighted in this manual as WARNINGs and CAUTIONs.
The AFGUARD
®
is an intrinsically safe Sensor, suitable for the needs of field and laboratory
analysis of the content of free water in Jet Fuel.
Work on electrical equipment is only to be carried out by trained specialists as per the
regulations currently in force.
Attention must be paid to the requirements of VDE 0100 when setting high-power electrical
units with nominal voltages of up to 1000V, together with the associated standards and
stipulations.
Check the details on the housing to ensure that the equipment is connected to the correct
mains voltage.
Protect against touching dangerously high electrical voltages.
The equipment is only to be set within the permitted range of temperatures and pressures.
For use in hazardous areas, observe the relevant national and international instructions and
regulations.
Check that the location is weather-protected. It is recommended that the AFGUARD
®
sensor
is not subjected to either direct rain or sunshine.
Installation, maintenance and monitoring may only be carried out by authorised personnel
with respect to the relevant stipulations. Repairs should only be carried out by the supplier.
All part replacements which are not specified or approved by FAUDI Aviation GmbH, as well
as any repair and service with the use of unauthorized parts shall invalidate the Ex-
Certificate.
In case of any doubts, please directly contact FAUDI Aviation GmbH or the authorized
FAUDI Aviation Distributor or Service organisation.
The AFGUARD
®
sensor is certified by DEKRA Exam in Bochum, an authorized company
for official approval of electric equipment in Germany.
Detailed information and a copy of the certificate are attached to this operating manual.
Installation and operation of the analyser has to be carried out in accordance to the
conditions in the Ex-Certificate (see appendix). Only if such conditions are followed, can the
reliability of operation in hazardous areas be guaranteed.
AFGUARD
®
is subject to the standards of electrical equipment in accordance to safety
regulations:
o EN 60079-0 (General Requirements);
o EN 60079-11 (Equipment protection by intrinsic safety "i");
o EN 60079-18 (Equipment protection by encapsulation "m");
o EN 60079-26 (Equipment protection for Group II Category 1 G);
o EN 60079-28 (Protection of equipment and transmission systems using optical
radiation).
For operation of equipment in hazardous areas group II category 2, Explosion group “IIB”,
Temperature class T4 with ambient temperature range – 30 °C T
a
+60 °C.
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