5
Danger!
Electrical voltages are present that may lead to death. Life threatening risks may occur
due to electrical voltages!
Danger!
This sign warns of hazards posing a risk to health. Ignoring these instructions can lead
to injuries.
Attention!
Observe precautions for handling. Electrostatic sensitive devices.
Other notes
•
The motor surface temperature may rise when maintaining, inspecting and repairing the actuator immediately
after operation. There is a danger of burning the skin!
•
Dust deposits > 5 mm must be removed!
•
The cover may only be opened in an explosion-free environment! When working in hazardous areas, the
European standards EN 60079-14 "Erection of electrical installations in potentially explosive atmospheres" and
EN 60079-17 "Testing and maintenance of electrical installations in potentially explosive atmospheres" must be
observed.
•
Always consult the relevant operating instructions when mounting PS-S accessories or operating the actuator
with PS accessories.
•
Connections for signal in- and output are double isolated from circuits that can be under dangerous voltage.
2. Usage as per specification
•
The actuator PSF-M-EX is a stationary installed device for use in Ex zone 1, 2, 21 or 22. The actuator PSF-M-EX is
not suitable for use in zone 0 and zone 20.
•
The electrical data shown on the type plate as well as the unit category for the place of use must be observed.
•
The operator of an electrical system in a potentially explosive atmosphere must keep the equipment in proper
condition, operate it properly, monitor it and carry out maintenance and repair work. See also IEC/EN 60079-17 /
IEC/EN 60079-19.
•
The units must be installed in such a way that the risk of electrostatic charging is minimised. The risk of
electrostatic charging depends on the installation location, if necessary the risk can be minimised e.g. by
protecting against direct air flow or monitoring the ambient humidity, for cleaning use a damp cloth.
•
The actuators PSF-EX are built exclusively for use as electric valve actuators. They are intended for assembly with
valves and their motorised actuation.
•
Any other use is considered to be non-compliant and the manufacturer cannot be held liable for any damage
resulting from it.
•
The actuators can only be used within the limits laid out in the data sheets, catalogues and other documents.
Otherwise, the manufacturer cannot be held liable for any resulting damage.
•
Usage as per specification includes the observance of the operating, service and maintenance conditions laid
down by the manufacturer.
•
Not to be regarded as usage as per specification are mounting and adjusting the actuator as well as servicing.
Special precautions have to be taken while doing this!
•
The actuators may only be used, serviced and repaired by personnel that is familiar with them and informed
about potential hazards. The specific regulations for the prevention of accidents have to be observed.
•
Damages caused by unauthorized modifications carried out on the actuators are excluded from the
manufacturer's liability.
