Gambro WRO 300, Руководство оператора

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WRO 300 H
34 Regular maintenance
HCEN12104 Rev 09.2010
3.3.3 Cleaning procedure
1 Press until the display shows
RUN
. Wait until the prod-
uct water conductivity stabilizes and record the value. Press
until light goes out to stop the WRO.
2 Follow the Chemical disinfection procedure, but instead
select
WARM CITRIC,
or
ALKALINE CLEAN
in the
CHEM SELECT
menu. Refer to “Chemical disinfection pro-
cedure” on page 27 .
Test for residuals
1 Press until light goes on, to start the WRO 300 H.
Indication will be steady lit and will flash.
2 Collect a water sample from the product water line.
3 The absence of cleaning chemical in the product water is
confirmed if the pH is within 1.0 pH unit of the feed water
value, checked with a suitable method, and if the conductiv-
ity of the product water corresponds to the previously
recorded value.
4 Confirm by pressing until light goes out. Indication
remains steady lit.
CAUTION
If the temperature is not achieved during Warm Acid cleaning, alarm
407 INSUFFICIENT TEMPERATURE
will appear and the Cleaning
procedure has to be restarted.
NOTE
The container can be empty before the intake phase is finished.