Flowserve NRS 1-42 - Manual (Page 14)

14
Operation
Switchpoint 2
Switchpoint 1
Switchpoint 1 reached
■ Time delay activated, LED 1 flashing
■ Time delay elapsed, LED 1 permanently illuminated, relay 1 de-energized
Level below switchpoint 1
■ LED 1 goes out, relay 1 energized
Switchpoint 2 reached
■ Time delay activated, LED 2 flashing
■ Time delay elapsed, LED 2 permantently illuminated, relay 2 energized
Level below switchpoint 2
■ LED 2 goes out, relay 2 de-energized
Switchpoint 3
Level below switchpoint 3
■ Time delay activated, LED 3 flashing
■ Time delay elapsed, LED 3 permantently illuminated, relay 3 energized
Switchpoint 3 reached
■ LED 3 goes out, relay 3 de-energized
Switchpoint 4
Level below switchpoint 4
■ Time delay activated, LED 4 flashing
■ Time delay elapsed, LED 4 permanently illuminated, relay 4 de-energized
Switchpoint 4 reached
■ LED 4 goes out, relay 4 energized
ON-OFF Control
The setpoint range of the liquid level is
reached when electrode tips 3 and 4 are
submerged and electrode tips 1 and 2 are
exposed.
Note: All LEDs go out once the setpoint is
reached.
LED “Power”
LEDs indicate present operating mode