19
NRS 2-50, NRS 2-51 - Installation & Operating Manual -
819179-05
Starting
Action
Indication
Function
Switch on the supply voltage.
Water level between MIN and
MAX.
7-segment display shows
software and equipment
version
System test, takes approx. 3 sec.
7-segment display shows
actual value
System switches to operating mode
Setting parameters
Action
7-segment display
Function
Turn rotary knob until desired
parameter is shown
Display toggles between the
parameter and the saved value. The parameter is selected
Press and hold the pushbutton
(on rotary knob)
First digit (000
0
) flashes.
Parameterization mode active. First digit can be
changed.
Turn rotary knob
A new value is displayed.
Turning clockwise increases the value, turning
anti-clockwise reduces the value.
Briefly press the pushbutton
2nd, 3rd or 4th digit flashes.
(from right to left)
2nd, 3rd or 4th digit can now be changed using
the rotary knob. Turning clockwise increases the
value, turning anti-clockwise reduces the value.
When your entries are
complete: Press and hold the
button within 3 sec.
done is displayed. After this,
the display toggles between
the parameter and the new
value.
Input is confirmed. The display shows the
parameter once more.
If you do not confirm your entry
within 3 sec. or you do not
make any further entries:
quit is briefly displayed. After
this, the display toggles
between the parameter and the
old value.
If you do not confirm, your entries will not be
applied. Please repeat the procedure. If you do
not confirm, the equipment switches back to the
parameter.
Turn the rotary knob until the next parameter is shown.
Or turn the rotary knob until the actual value is displayed.
Or after 30s, the actual value is displayed automatically.
Bringing into service
Setting parameters
Fig. 6
Pump LED
amber
MAX LED
red
MIN LED
red
OO75
7-segment
display
Rotary knob
with integrated
pushbutton
OO75
If
password protection
is enabled, you must enter the password before you can change
parameters. For the password, see page 23.
