Videotec MAXIMUS MHXT - Manual (Page 34)

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nstruc
tions manual
34
8 Instructions for safe
operation
8.1 Safe operation
Before proceeding with the following
operations, make sure that the mains
voltage is correct.
8.1.1 Commissioning
Read the whole of this user’s handbook very carefully
before starting the installation.
Make connections and tests in the laboratory before
carrying out installation on site. Use appropriate tools
for the purpose.
Test system operation for positive results before
closing the caps and allowing the presence of a
dangerous atmosphere.
Make sure that all the devices are certified for the
application and for the environment in which they
will be installed.
To reduce the risk of ignition don’t open the device
when a potentially explosive atmosphere is present.
After commissioning the system keep this handbook
in a safe place, available for later consultation.
8.1.2 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.
The device must be installed only and exclusively by
qualified technical personnel.
8.1.3 Explosion prevention rules
Use appropriate tools for the area in which you are
working.
Always remember that the device must be connected
to an appropriate earth conductor.
Before doing any technical work or maintenance
on the device, make sure that potentially explosive
atmosphere is not present.
Before starting any operation, make sure the power
supply is disconnected.
Do not open any kind of cap if there is a possibility of
your being in a potentially explosive atmosphere.
Make all connections, installation and maintenance
work in a non-explosive atmosphere.
9 Switching on
The unit is switched on by simply connecting the
power supply. To switch off the unit disconnect the
power.
9.1 Before powering the product
in an explosive atmosphere
Make sure that the unit and other
components of the installation are closed
so that it is impossible to come into contact
with live parts.
Make sure that the back flange is firmly
closed.
Ensure that the sealing of cable entry
systems (if any) has been performed
properly left to take the preparation for
sealing up is cured.
Make sure that the device has been
connected to an earth link as described.
Make sure that all parts are fastened down
firmly and safely.