Videotec MAXIMUS MPXT - Manual (Page 32)

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nstruc
tions manual
30
Use a 30mm wrench for tightly closing the threaded
cap of the junction box. Make sure that there’s no gap
between the threaded cap and the junction box tube
after tightening the cap.
Fig. 49
Finally tighten the set screw supplied for this purpose
to prevent the unwanted unscrewing of the threaded
cap.
Fig. 50
7 Instructions for safe
operation
7.1 Safe operation
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
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.