EB 8395 EN
5
Safety instructions and measures
1
Safety instructions and measures
Intended use
The Type 3724 Positioner is delivered as a ready-mounted unit on Type 3379 Pneumatic
Piston Actuators. It is used to assign the valve position to the control signal. The device is
designed to operate under exactly defined conditions (e.g. operating pressure, temperature).
Therefore, operators must ensure that the positioner is only used in applications where the
operating conditions correspond to the technical data. In case operators intend to use the
positioner in other applications or conditions than specified, contact SAMSON.
SAMSON does not assume any liability for damage resulting from the failure to use the de-
vice for its intended purpose or for damage caused by external forces or any other external
factors.
Î
Refer to the technical data for limits and fields of application as well as possible uses.
Reasonably foreseeable misuse
The Type 3724 Positioner is
not
suitable for the following applications:
−
Use outside the limits defined during sizing and by the technical data
Furthermore, the following activities do not comply with the intended use:
−
Use of non-original spare parts
−
Performing maintenance activities not specified by SAMSON
Qualifications of operating personnel
The positioner must be mounted, started up and serviced by fully trained and qualified
personnel only; the accepted industry codes and practices are to be observed. According to
these mounting and operating instructions, trained personnel refers to individuals who are
able to judge the work they are assigned to and recognize possible hazards due to their
specialized training, their knowledge and experience as well as their knowledge of the
applicable standards.
Personal protective equipment
No personal protective equipment is required for the direct handling of the positioner. Work
on the control valve may be necessary when mounting or removing the device.
Î
Observe the requirements for personal protective equipment specified in the valve docu
-
mentation.
Î
Check with the plant operator for details on further protective equipment.
Summary of Contents for 3724
Page 39: ...EB 8395 EN 39...
