EB 8355-2 EN
6-1
Start-up
6 Start-up
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.
Crush hazard arising from moving parts on
the valve.
Î
Do not touch any moving valve parts
while the control valve is in operation.
Î
Before performing any mounting or in-
stallation work on the positioner, put the
control valve out of operation by discon-
necting and locking the supply air and
control signal.
Î
Do not impede the movement of the actu-
ator and plug stem by inserting objects
into the yoke.
Before start-up, make sure the following con-
ditions are met:
−
The positioner is properly mounted ac-
cording to the instructions.
−
The pneumatic and electrical connections
have been performed according to the
instructions.
Start-up
Î
Open the supply air line to the position-
er.
Î
Switch on the electrical power supply.
DANGER
!
WARNING
!
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