Chapter 2 Safety information
Operating manual HE 5422 MR
9
Version 1.2
2.2
Safety during the individual phases of operation
The following safety notes must be observed when installing the device and during operation.
Danger of electric shock!
Disconnect the power supply before working on the device. Install the electrical
lines in accordance with the respectively applicable local regulations (VDE 0100
in Germany). Lay the measuring lines separately from the power lines. Produce a
connection between the protective ground connection (in the respective device
carrier) and a protective ground.
Danger of electric shock!
Any interruption of the protective ground in the device carrier may cause the de-
vice to become dangerous. Deliberate interruptions are not permissible. If it can
be assumed that safe operation is no longer possible, then the device shall be
put out of commission and be secured against unintended operation or re-activa-
tion.
Danger of electric shock!
Do not open the device under voltage! When opening the devices or removing
covers and parts, live parts may become exposed. Connecting points may also
be live!
Caution!
The device may not be put into operation when there is visible damage on the
device.
Caution!
Observe the accident prevention regulations applicable to the system, such as
BGV A 3 "Electrical Systems and Equipment" during installation, commissioning,
maintenance and troubleshooting.
Caution!
Clean soiled contacts using oil-free compressed air or spirit and a lint-free cloth.
Material damage due to electrostatic charging!
Observe the safety measures according to DIN EN 61340-51/-3 in order to pre-
vent electrostatic discharging!
