February 2019
User Instructions
MAN-02-04-60-0350-EN Rev. 3
1
Section 1: Introduction
Introduction
Section 1: Introduction
These operating instructions apply to Bettis RTS CL Series of Compact Linear actuators.
The scope of application covers the operation of industrial valves, e.g., globe valves, gate
valves, butterfly valves and ball valves. For other applications please consult with
the factory.
The manufacturer shall not be liable for incorrect use and possible damage arising thereof.
The risk shall be borne solely by the user.
Using the unit as intended also entails the observance of these operating instructions.
CAUTION: OBSERVE HAZARDOUS VOLTAGE LEVEL
When operating electrical equipment, certain parts inevitably carry hazardous voltage
levels. Work on the electrical system or equipment must be carried out only in accordance
with electrical regulations by a qualified electrician himself or by specially instructed
personnel under the control and supervision of a qualified electrician.
Maintenance instructions must be observed as otherwise the safe operation of the actuator
cannot be guaranteed.
Failure to follow the warning information may result in serious bodily injury or property
damage. Qualified personnel must be thoroughly familiar with all warnings contained in
this operating manual.
Proper transport, storage, installation, assembly and careful commissioning are essential to
proper and safe operation.
WARNING: ALWAYS REFER TO STANDARDS
When working in potentially explosive areas, observe the European Standards EN 60079-14
”Electrical In- stallations in Hazardous Areas” and EN 60079-17 ”Inspection and
Maintenance of Electrical Installations in Hazardous Areas”.
Maintenance work on open actuators may only be conducted if these are de-energized.
Reconnection during maintenance is strictly prohibited.
