Graf oneAdvanced Operation Manual page 79

2. step: Set controller parameters
Setting the level from which a treatment cycle is started is absolutely essential for this level func-
tion. Please carefully work through the following points in order:
Service
Enter code:
* * * *
Pressure sensor »
Level measure-
ment
Cycle start from
000 cm
Overflow alarm
from 000 cm
Recirculation
120 s
(from 10 PE)
3. step: Function check
Level measuring can now be undertaken in manual mode for checking purposes. This requires
level measuring to be activated with [OK]. The control unit automatically takes a measurement.
Once the process is complete, the measured value appears.
9. Additional controller functions
Open the menu "Service", press [OK], and, when prompted, enter
the general service code.
Using the cursor key [▼], select "Pressure sensor", and confirm with
[OK]. In the menu "Pressure sensor" now appearing, press [OK] to
open "Level measuring".
Press [OK] to open the menu "Cycle start from". Using the cursor keys
[▲] [▼], enter the water level b above which a treatment cycle is to be
started (see table above). Confirm your entry with [OK].
NOTE It is not essential for the overflow warning message to be acti-
vated for the plant to function correctly. If 000 cm is saved, this warning
message remains deactivated.
To activate, measure the height between the base of the tank and bot-
tom edge of the emergency overflow in the discharge. Confirm your en-
try with [OK].
Saving the value 000 cm deactivates the overflow warning message.
Press [OK] to open the menu "Recirculation". Using the cursor keys[▲]
[▼], enter the value 120 s, and confirm this with [OK]. The necessary
settings are now complete. Press [◄] to exit the menu.
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