Samson 3767, Translation Of Original Instructions

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EB 8355-2 EN 5-1
Installation
5 Installation
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
hazardous 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.
Risk of malfunction due to incorrect mount-
ing parts/accessories.
Î
Only use the mounting parts and acces-
sories listed in these mounting and oper-
ating instructions to mount and install the
positioner. Pay special attention to the
type of attachment.
5.1 Installation conditions
Work position
The work position for the positioner is the
front view onto the operating controls on the
positioner seen from the position of operat-
ing personnel.
Operators must ensure that, after installation
of the positioner, the operating personnel
can perform all necessary work safely and
easily access the device from the work posi-
tion.
Mounting orientation
The vent plugs on the housing cover must
face downward when the valve is installed.
5.2 Preparation for installation
Before mounting, make sure the following
conditions are met:
−
The positioner is not damaged.
− The air supply is not yet connected to the
positioner.
− The current is not yet connected to the
positioner.
DANGER !
WARNING !
NOTICE !