EB 8484-1 EN
11-1
Decommissioning
11
Decommissioning
The work described in this section is only to
be performed by personnel appropriately
qualified to carry out such tasks.
Risk of fatal injury due to the ignition of an
explosive atmosphere.
Î
Observe EN 60079-14 (VDE 0165,
Part 1) for work on the positioner in
potentially explosive atmospheres.
Î
Work in potentially explosive atmo-
spheres must only be performed by per
-
sonnel who has undergone special train-
ing or instructions or who is authorized
to work on explosion-protected devices
in hazardous areas.
Sudden loud noise when the pneumatic
actuator vents.
Î
Wear hearing protection when working
near the valve.
The process is disturbed by interrupting
closed-loop control.
Î
Do not mount or service the positioner
while the process is running and only af-
ter isolating the plant by closing the shut-
off valves.
To decommission the positioner, proceed as
follows:
1. Disconnect and lock the air supply and
signal pressure.
2. Open the positioner cover and discon-
nect the wires for the control signal.
DANGER
!
WARNING
!
NOTICE
!
Содержание TROVIS 3730-1
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