Functional Tests IQ and OQ
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AZURA® Valve Unifier VU 4.1 Instructions V6855
Exchanging rotor seal
After a determined number of switching cycles, the valve drive reports that
the rotor seal must be exchanged.
Prerequisite
The rotor seal has been exchanged.
Note: You find information about the rotor seal exchange in the docu-
ment V6864:
https://goo.gl/5MVdKX
Process
Figure
1. After the start display, the message <REPLACE
SEAL!> is shown. This message is dismissed by press-
ing any button.
2. The screen changes to the main display. The warning
sign in the upper left corner shows that the rotor seal
must be exchanged.
3. Chance to Seals Count screen: Main Display > Valve
GLP > Seals count
4. Keep pressing the selection button for 3 seconds.
5. The message <Set new seal?> appears.
6. Press confirmation button. The screen changes to
Seals Count display.
7. To cancel the process, push another random button.
The screen changes to the Total Cycles display.
REPLACE
SEAL!
POS
1 /16
W
x
Seals
coun
t 1
Set new
seal?
Functional Tests IQ and OQ
Standard processes in single devices may be handeled differently in
individual cases.
Installation Qualification (IQ)
The customer may request the Installation Qualification, which is free of
charge. In case of a request, the Technical Support of KNAUER or from a pro-
vider authorized by KNAUER performs this functionality test during the instal-
lation.
The Installation Qualification is a standardized document that comes as part
of the delivery and includes the following:
confirmation of flawless condition at delivery
check if the delivery is complete
certification on the functionality of the device
