Definition Of Requested Value; Adjustment To Existing Flow - IFM Electronic Efector 300 Operating Instructions Manual

5.1 Definition of requested value
► Loosen the lock screw.
► Turn the setting screw until the requested value just becomes visible on the
setting scale. → Example in figure 2: requested value = 100 l/min.
► Tighten the lock screw.
5.2 Adjustment to existing flow
► Let the normal flow circulate in the installation.
► Loosen the lock screw.
► Set the switch point with the setting screw.
- If the LED lights before setting: turn the setting screw in the direction [+] until
the LED goes out. Then turn in the opposite direction [-] until the LED lights.
- If the LED does not light before setting: turn the setting screw in the direction
[-] until the LED lights.
► Tighten the lock screw.
Correlation between number of the turns of the setting screw (SET) and switch
point in l/min:
One complete turn corresponds to
Q [l/min]
200
180
160
140
120
100
80
60
40
20
0
1 2
The diagram shows the typical course of the measurement curves for water at 20 °C.
approx. 18 l/min
3 4 5 6 7 8 10
SET
11 12 13 14
UK
5