Flowserve NRR 2-40 - Manual (Page 18)

18
Press button briefly.
Switchpoint 3 is now saved.
Press button briefly.
The upper limit of the proportional band
X
p
is now selected (switchpoint 2).
LED illuminated LEDs flash slowly
briefly
LED illuminated LEDs flash slowly
briefly
Commissioning
– continued –
Establishing switchpoints and proportional band
– continued –
LED illuminated LEDs flash slowly
Press button briefly.
Raise liquid level until switchpoint 2
within the desired control range is
reached.
Example:
Liquid level switchpoint 3 = 40 % and
liquid level switchpoint 2 = 60 % make a
proportional band X
p
of 20 %.
Press button briefly.
Switchpoint 2 is now saved.
Press button briefly.
Switchpoint 1 is now selected.
LED flashes LED flash slowly
briefly
LED illuminated LEDs flash slowly
briefly
briefly