Actuators are primarily designed to regulate valve in the respond to the demand of a controller in District Heating/cooling, Heating, Ventilating and Air conditioning systems.
Actuators AME 655 can be controlled by electronic controllers with modulating or 3-point control output.
Features
Manual operation mechanical and/or electrical
Position indication, LED signalization
Selectable speed 2 or 6 s/mm
Automatic adaptation of stroke to valve's end positions that reduces commissioning time (self stroking)
Integrated auxilliary switch
Characteristic optimization
Adjustable stroke limitation
Anti-oscillation function
Pulse or continuous output signal (4 & 5)
Voltage or current output signal X
External reset button
Auto detection of Y signal
3-point or modulating control selection
Galvanic insulation Y, X and output terminal 4 & 5
Thermal and overload protection
Precise control and fast response in 3-point mode (0.01 s)
Special feature for AME 655GA and AME 659SD:
Potential free terminal
Able to connect wires as were connect by AMV(E 41X or 61X)