HE 5750 Operating Instructions
#371627 | Version 1.1
9
2.3 Safety in the individual operating phases
When installing the device and during operation, the following safety instructions must be
observed.
Attention!
During installation, commissioning, maintenance and troubleshooting,
observe the accident prevention regulations applicable to your system,
e.g. DGUV Regulation 3 "Electrical installations and equipment".
2.3.1 Unpack device
Warning of personal injury and property damage!
The device shall be inspected with regard to damage due to non-
intended handling by transport and storage. If the device is damaged in a
way that indicates that safe operation is not possible, the device must not
be put into operation.
2.3.2 Mounting
Warning of personal injury and property damage!
The device is to be installed in places that comply with the protection
class. The ambient temperature at the installation site must not exceed
the permissible temperature for rated use specified in the technical data.
The device must only be installed outside of potentially explosive
atmospheres!
2.3.3 Power Connection
Danger of Electrocution!
Before working on the device, switch off all power supplies used. The
electrical cables must be laid according to the respective national
regulations (in Germany VDE 0100). The measuring cables must be laid
separately from the power lines. Connect the protective earth connector
(in the respective device carrier) to the protective earth conductor. It is
recommended to use twisted and shielded measuring leads to avoid the
influence of interference fields. The electrical connection takes place
according to the wiring diagrams / wiring images of the respective device.
