Xylem 19 001 300 R2 Silent Storm VFD Pumping System OMRON Touch Screen Display Manual - Manual (Page 41)

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How Do I? 37
The second Safety registers screen is devoted to optional safeties.
· N70:6 is the delay time for a Loss of Prime fault. In this case, a probe is placed in the suction
piping. The default value is 0 seconds.
· N70:7 is the delay time for a Low Inlet Pressure fault. Normally a pressure switch is installed in the
suction piping. The default value is 20 seconds.
· N70:8 is the delay time for a Flow Over-demand fault. The default value is 180 seconds.
· N71:8 is the flow at which a Flow Over-demand fault occurs. The default value is your total station
flow plus 20%.
· N70:9 is the delay time for a Filter Fault. The default value is 0 seconds.
· Optionally, press the Main Menu touch key to return to the Main Menu. (See also, Main Menu .)
· Optionally, press Back to return to the Register Access screen.
· Press the down arrow (▼) in the bottom right corner of the screen to display the Safety
registers page 3.