Burkert Type 8791 User Manual
Page 34

34
Start-up
11. sTarT-up
11.1. safety instructions
Warning!
risk of injury from improper operation!
Improper operation may result in injuries as well as damage to the
device and the area around it.
• Before start-up, ensure that the operating personnel are familiar
with and completely understand the contents of the operating
instructions.
• Observe the safety instructions and intended use.
• Only adequately trained personnel may operate the equipment/
the device.
11.2. specifying the standard settings
The basic settings of the positioner are implemented at the factory.
To adjust the positioner to local conditions, the
X.TUNE
function must be run following installation.
11.2.1. running the automatic adjustment
X.TUNE:
Warning!
While the X.TUNE function is running, the valve automatically
moves from its current position!
• Never run
X.TUNE while a process is running!
• Take appropriate measures to prevent the equipment from
being accidentally actuated!
noTe!
avoid maladjustment of the controller due to an incorrect
supply pressure or applied operating medium pressure!
• Run
X.TUNE whenever the supply pressure (= pneumatic
auxiliary energy) is available during subsequent operation.
• Run the
X.TUNE function preferably without operating medium
pressure to exclude interference caused by flow forces.
english
Type 8791