Xylem WTW Alyza IQ PO4, Operation Manual

Page: 134 / 172

Maintenance and cleaning Alyza IQ PO4
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Removing the
mounting plate
5 Switch the power line potential free.
6 Unscrew the 2 fixing screws of the cover (on the top right side in the
housing) and remove the cover of the ACM.
If the filtration pumps have already been in operation, sample liquid
may escape when the tubes are unscrewed. Provide a collecting
container in such a case.
7 Remove the cable connections and the connections of the tubes and liq-
uid lines from the mounting plate:
 Unplug the 2 cables from the switch box.
 Unscrew the sample tubes from the overflow vessels.
 Unplug the blue intake lines of the filtration unit.
8 Remove the mounting plate:
 Unscrew the 2 fixing nuts (3) at the bottom of the mounting plate.
 Unscrew the 2 fixing screws (2) at the upper edge of the mounting
plate.
Secure the mounting plate against falling out.