Samson TROVIS 5724-3 Mounting And Operating Instructions page 6

Safety instructions and measures
Personal protective equipment
No personal protective equipment is required for the direct handling of the electric actuator
with process controller. Work on the valve on which the electric actuator is mounted may be
necessary when mounting or removing the actuator from the valve.
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.
Revisions and other modifications
Revisions, conversions or other modifications to the product are not authorized by SAMSON.
They are performed at the user's own risk and may lead to safety hazards, for example. Fur-
thermore, the product may no longer meet the requirements for its intended use.
Safety features
The following safety features exist:
− Upon power supply failure, the TROVIS 5725-3 Electric Actuator causes the valve to
move to a certain fail-safe position. The fail-safe action of SAMSON actuators is speci-
fied on the actuator nameplate.
Warning against residual hazards
To avoid personal injury or property damage, plant operators and operating personnel must
prevent hazards that could be caused in the control valve by the process medium, the operat-
ing pressure, the signal pressure or by moving parts by taking appropriate precautions. They
must observe all hazard statements, warning and caution notes in these mounting and oper-
ating instructions, especially for installation, start-up, and maintenance.
Responsibilities of the operator
The operator is responsible for proper operation and compliance with the safety regulations.
Operators are obliged to provide these mounting and operating instructions to the operating
personnel and to instruct them in proper operation. Furthermore, the operator must ensure
that operating personnel or third persons are not exposed to any danger.
Responsibilities of operating personnel
Operating personnel must read and understand these mounting and operating instructions as
well as the specified hazard statements, warning and caution notes. Furthermore, the operat-
ing personnel must be familiar with the applicable health, safety and accident prevention
regulations and comply with them.
6 EB 5724 EN