Installation and operating manual for WATERFRIEND -Chlorine MRD-3 Page 25
Increasing the p-range leads to a slower approach to the target value
with less overshoot.
Procedure:
Press the
key
1. Select Chlorine settings
2. Press the key
in the key bar
3. Select P-range
The current value is shown on the left side of the display.
To adjust this value, the following two options are available:
a) PLUS / MINUS keys
•
By pressing the arrow keys
or
, the value can be
modified stepwise.
•
Press
to store the new setting.
b) Keyboard
The value can also be set directly by using the keyboard on the
right side of the display:
•
enter the desired value
•
Press
to store the new setting.
Factory setting: 0,5
Range: 0,05 to 1,0
Impact of the proportional range
Adjustment
Benefits
Disadvantages
Diagram
Narrow P-range Fast, accurate control
When switching on, an
overshoot can occur
Wide P-Range
No overshoot
Slow
control,
small
deviations between desired
and actual values possible
