Use
● For zone valves VVP.., VXP.., VMP..: compatible with SSC161.05UT
● For 2-/3-port valves: compatible with SSC161.05UT
● Typically in chilled ceiling, VAV and fan coil unit applications
● Max.10 units of SC161.05UT can operate in parallel, provided the controller output
suffices.
Technical design
When the actuator is driven by DC 0…10 V positioning signal, it produces a stroke, which is
transmitted to the valve stem.
DC 0…10 V positioning signal
● The valve opens / closes in proportion to the
positioning signal at Y.
● At DC 0 V, actuator stem is retracted, the normally
closed valve is fully closed.
● When there is no operating voltage, the actuator
maintains its current position.
● This actuator provides a DC 0…10 V position
feedback signal proportional to the stroke of the
actuator stem.
Y = Positioning signal Y [V]
H = Percentage of calibrated valve stroke
Stroke movement: Stem retracting
Flashing green in sequence: LED1-->LED2-->LED3 (500 ms each)
Stroke movement: Stem extending
Flashing green in sequence: LED3-->LED2-->LED1 (500 ms each)
At H0 - H40: Constant green (LED3)
At H40 - H60: Constant green (LED2)
At H60 - H100: Constant green (LED1)
Flashing green (LED2): 100 ms on, 100 ms off
Flashing green/red alternatively (LED2): Green 500 ms, red 500 ms