Grundfos SLC Series Installation And Operating Instructions Manual page 24

9.5.3 DLC, float-switch-controlled option
Inputs Function
1 Pump(s) Off Float
2 Lead Pump On Float
3 Lag Pump On Float
4 High Level Alarm Float
5 Push To Silence
6 Pump 1 Fault
7 Pump 2 Fault
Outputs Function
8 Pump 1
9 Pump 2
10 Alarm Light
11 Audible Alarm
9.5.4 DLC, transducer-controlled option
Input screen Function
Redundant Off and Low Level Alarm
1
Float
2 High Level Float
3 Push to Silence
4 Pump 1 Fault
5 Pump 2 Fault
6 Not Used
7 Transducer (analog signal)
Output screen Function
8 Pump 1
9 Pump 2
10 Level Alarm Light
11 Audible Alarm
24
Activation condition
Float switch in up position
Float switch in up position
Float switch in up position
Float switch in up position
Push button is pressed
Pump 1 seal-failure sensor, overtemperature sensor, or overload protection has
tripped.
Pump 2 seal-failure sensor, overtemperature sensor, or overload protection has
tripped.
Activation condition
Pump is called to run.
Pump is called to run.
Alarm light is activated.
Audible alarm is activated.
Activation condition
Float switch in up position
Float switch in up position
Push button is pressed.
Pump 1 seal-failure sensor, overtemperature sensor, or overload protection has
tripped.
Pump 2 seal-failure sensor, overtemperature sensor, or overload protection has
tripped.
NA
4-20 mADC
Activation condition
Pump is called to run.
Pump is called to run.
Level alarm condition exists.
Audible alarm is activated.