EB 8355-2 EN
10-1
Decommissioning
10
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 haz
-
ardous areas.
Î
Work in hazardous areas must only be
performed by personnel who has under-
gone special training or instructions or
who is authorized to work on explo-
sion-protected devices in hazardous ar-
eas.
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 before re-
moving it, proceed as follows:
Î
Put the control valve out of operation.
See associated valve documentation.
Î
Shut off and lock the supply air line to
the positioner.
Î
Disconnect and lock the electrical power
supply.
DANGER
!
NOTICE
!
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