Videotec EXH Bedienungsanleitung Seite 13

7 Instructions for
safe operation
7.1 Safe operation
g Before proceeding with the following
operations, make sure that the
mains voltage is correct.
7.1.1 Commissioning
• Read the whole of this user's
handbook very carefully;
• Install the camera and lens correctly;
• Test system operation for positive results;
• Prepare an appropriate power supply line.
7.1.2 Safety rules
• Given the considerable weight of the system, use
an appropriate transport and handling system.
• Before starting any operation, make sure
the power supply is disconnected;
• Before powering the system, install
an overload protection device in the
electrical equipment for the building.
• Make sure that all precautions for
personal safety have been taken;
• Installation of the electrical equipment must
comply with the local legislation in force.
7.1.3 Explosion prevention rules
• Choose a solid, stable support surface;
• Choose an appropriate support bracket, if used;
• Use appropriate tools for the area
in which you are working;
• Do not open the housing if there is a possibility of
your being in a potentially explosive atmosphere.
• Use safe, long-lasting screws or
other anchorage systems.
Always remember that the
o
unit must be connected to an
appropriate earth conductor.
h After commissioning the system
keep this handbook in a safe place,
available for later consultation.
8 Maintaining and cleaning
h Before doing any technical work on the
device, disconnect the power supply.
8.1 Maintenance and
cleaning by users
8.1.1 Routine (to be
carried out regularly)
Cleaning the glass
•
used, or a liquid detergent that will not
generate a hazardous situation;
• Cleaning the germanium window
soap diluted with water; take extra care not to
scratch or damage the outer surface treated
with carbon coating. Damage to this coating
could also interfere with the transparency of
the surface to infrared light. Do not use ethyl
alcohol , solvents, hydrogenated hydrocarbons,
strong acids or alkalis. Using these products will
irreparably damage the germanium surface.
• Cleaning the device
regularly; if a layer of dust accumulates on the
outside of the housing, it should never be more
than 5mm thick. The device should be cleaned
using a damp cloth; compressed air must not be
used. Maintenance frequency will depend on the
type of environment in which the housing is used.
Inspecting the cables
•
show signs of damage or wear, which could
generate hazardous situations; in this case
extraordinary maintenance is necessary.
• Changing the Mylar tape (version with
glass protection device) - This should be
done in the presence of the minimum safety
conditions as indicated in the instructions for
safe operation. To carry out the operation,
unscrew the four screws fastening the glass
protection cover in order to replace the set
of reels holding the dirty tape by those with
the clean tape, by simply sliding them out.
- Water should be
- Use neutral
- This should be done
- The cables should not
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