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Sew Eurodrive X e Serie Notice De Montage Et D'exploitation page 241

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2 Safety instructions
2.1 General
Follow the operating instructions� Non-observance of the instructions, operation
which is not in accordance with use as prescribed below, wrong installation or
incorrect handling can affect the safety of operators and machinery�
The installation and connection must comply with the applicable national and
international standards� Responsibility lies with the person installing the device�
2.2 Target group
The device must only be installed, connected and put into operation by a qualified
electrician�
2.3 Electrical connection
Disconnect the unit externally before handling it� Also disconnect any
independently supplied relay load circuits�
Make sure that the external voltage is generated and supplied according to the
requirements for safe extra-low voltage (SELV) since this voltage is supplied
without further measures near the operating elements and at the terminals for the
supply of connected sensors�
The wiring of all signals in connection with the SELV circuit of the device must also
comply with the SELV criteria (safety extra-low voltage, safe electrical isolation
from other electric circuits)�
If the externally supplied or internally generated SELV voltage is externally
grounded, the responsibility lies with the user in accordance with the applicable
national installation regulations� All statements in this manual refer to the unit the
SELV voltage of which is not grounded�
It is not allowed to supply external voltage to the terminals for the pulse pick-up
supply� The consumption of current which exceeds the value given in the technical
data is not allowed�
An external main switch must be installed for the unit which can switch off the unit
and all related circuits� This main switch must be clearly assigned to the unit�
2.4 Operation
Be careful when handling the unit once power is applied� This is only allowed by
qualified personnel due to the protection rating IP 20�
Notice de montage et d'exploitation – Entraînements pour élévateurs à godets – Série X..e
Documentation fournisseur
11
UK
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241

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