Videotec MAXIMUS MPXT - Manual (Page 33)

Instruc
tions manual - English - EN
31
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.
The device must be installed only and exclusively by
qualified technical personnel.
7.1.3 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.
The only cap that the installer have to remove is the
junction box cap. Keep any other cap tightly closed.
8 Switching on
The automatic pre-heating (de-ice) process
could be started whenever the device is
switched on and the air temperature is
below 0°C. This process is used to ensure
that the device works properly even at
low temperatures. The duration ranges
between 60 and 120 minutes, depending
on conditions.
The unit is switched on by simply connecting the
power supply, and switched off by disconnecting the
power.
8.1 Before powering the device 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 junction box cap is
properly and tightly closed.
Make sure (if present) that the sealing of
the seal fitting is properly carried out and
that the sealing compound is completely
cured and hardened.
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.