4
Type key
Example
PSF-402-SE-EX
/
24VAC
/
50-60Hz
/
9W
/
2,0kN
/
0,33
Actuator type
Spring retract / valve stem is
extending
Spring extend / valve stem is
retracting
Voltage supply
Frequency
Max. input power
Force
Stroking speed [mm/s]
1. Symbols and safety
General dangers of non-compliance with safety regulations
PSF-Ex actuators are built at state-of the art technology and are safe to operate. Despite of this, the actuators may
be hazardous if operated by personnel that has not been sufficiently trained or minimum instructed, and if the
actuators are handled improperly, or not used as per specification.
This may
•
cause danger to life and limb of the user or a third party,
•
damage the actuator and other property belonging to the owner,
•
reduce safety and function of the actuator.
To prevent such problems, please ensure that these operating instructions and this chapter in particular have been
read and understood by all personnel involved in the installation, commissioning, operation, maintenance and repair
of the actuators.
Basic safety notes
•
The actuators may only be operated by skilled and authorized operating personnel.
•
Make sure to follow all security advices mentioned in this manual, any national rules for accident prevention, as
well as the owner´s instructions for work, operation and safety.
•
The isolating procedures specified in these operating instructions must be followed for all work pertaining to the
installation, commissioning, operation, change of operating conditions and modes, maintenance, inspection,
repair and installation of accessories.
•
Areas that can be under voltage have to be isolated before working on them.
•
When installing the actuators, observe IEC/EN60079-14.
•
Ensure that the actuators are always operated in faultless condition. Any damage or faults, and changes in the
operational characteristics that may affect safety, must be reported at once.
Danger signs
The following danger signs are used in this operating manual:
Caution!
There is a general risk of damage related to health and/or properties.
