Switching On; Before Powering The Product In An Explosive Atmosphere; Maintenance - Stahl EC-940S Serie Manuel D'instructions

11 Switching on

The unit is switched on by connecting the power
supply.
To switch off the unit disconnect the power.
11.1 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 device has been
connected to an earth link as described.
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 all parts are fastened down
firmly and safely.
MNTCMVXTHD_1606_EN

12 Maintenance

Before doing any technical work or
maintenance on the device, make sure that
potentially explosive atmosphere is not
present.
Before doing any technical work on the
device, disconnect the power supply.
Maintenance must be carried out by
personnel trained to operate on electrical
circuits.
The manufacturer declines all liability for
damage to any of the apparatus mentioned
in this handbook, when resulting from
tampering, use of non-original spare parts,
installation, maintenance and repairs
performed by non-authorised, non-skilled
personnel.
For damage to any parts, repair or
replacement must be done by, or under
supervision of STAHL.
Whenever replacing the parts as indicated,
always use STAHL original spare parts
and meticulously follow the maintenance
instructions supplied with every spare parts
kit.
Contact the manufacturer for information
on the dimensions of the explosion proof
joint.
In all such circumstances, the product
should be sent to the workshop for the
necessary repairs or maintenance.
When contacting STAHL for assistance please provide
the serial number and the identification code of the
device.
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