Videotec MAXIMUS MPXT - Manual (Page 19)

Instruc
tions manual - English - EN
17
6.1.3 Connecting the cables to the base
Before doing any technical work or
maintenance on the device, make sure
that potentially explosive atmosphere is
not present. To reduce the risk of ignition
don’t open the device when a potentially
explosive atmosphere is present.
The electrical installation in which the
unit is inserted must be equipped with a
15A maximum bipolar protection circuit
(magnetothermal), that must include a
bipolar automatic-type circuit breaker,
which must also envisage earth fault
current protection (magnetothermal +
differential) with minimum distance of
3mm between contacts.
A power disconnect device must be
included in the electrical installation, and
it must be very quickly recognizable and
operated if needed.
Before doing any technical work on the
device make sure that the power supply is
disconnected.
The device can only be considered to be
switched off when the power supply has
been disconnected and the connection
cables to other devices have been removed.
Do not use power supply cables that seem
worn or old.
Use adequate cable for higher temperature
than 80°C. And if installed in an external
ambient below –10°C the cable suitable for
the minimum ambient temperature at point
installation.
It is only allowed to open the cover of the
on-board junction box for cabling of the
device. The other lids must be open from
the manufacturer.
An on-board junction box with 3/4” NPT cable entry is
present on the base of the unit.
A threaded cap gives access to a connection board
with removable connectors that help the installer to
connect the cables.
An hexagon set screw is used to prevent the
unscrewing of the connection box threaded
cap. Remove it before unscrewing the cap.
Refer to the following images and information to
connect the wires and cables as required.
To connect the positioning unit remove the hexagon
socket set screw, the plastic cap and the threaded
cover.
The plastic cap thread is available only for shipping
and cannot be used for operation.
Fig. 12