General Information; Symbols; Safety Notes - Burkert 0911 Instructions De Service

1

GENERAL INFORMATION

1.1

Symbols

The following symbols are used in these operating instructions:
marks a work step that must be carried out.
ATTENTION!
NOTE
1.2

Safety notes

Please observe the notes in these operating instructions together with the
conditions of use and permitted data that are specified in the data sheets of
the 0911 controller, so that the device will function perfectly and will have a
long service life.
• Keep to the standard engineering rules when planning and operating the
device!
• Installation and maintenance work may only be carried out by specialist
personnel using the correct tools!
• Observe the current regulations on accident prevention and the safety
regulations for electrical devices during the operation and maintenance of
the device!
• Comply with the intended usage of the device.
• Only operate the device with its housing fitted.
• Before connecting the device, check that the power supply corresponds to
the values printed on the device.
• Check that the connections are correct before switching on the device.
• Observe the maximum load of the relay contacts (see technical data).
• Ensure that all sensors are installed with sufficient separation from voltage-
conducting lines. This will avoid incorrect temperature readings and will
protect the device from voltage interference at the sensor inputs.
• For applications in the industrial sector with critical environments, switch an
RC element in parallel (FT1).
• Always switch off the mains supply before carrying out manipulations on
the system.
• Take suitable measures to exclude unintended operation and damage by
unauthorised operation!
2 - 0911
indicates information which, if ignored, could lead to a risk to
your health or to the functionality of the device.
indicates important additional information,
tips and recommendations.