EWS UFS8000, Operating Manual, Page: 57 / 130

UFS8000 UF Unit 50
7.8. CEB 2
The “CEB 2” phase is used to clean the membrane chemically at adjustable intervals.
The backwash may comprise a max. of 11 stages each with a time duration of 0-9999 seconds
/minutes.
This phase can be set in the same way as the “CEB 1” phase, with the difference, however, that
instead of the interval start based on the number of backwashes, it can be opted for an interval start
based on the number of executed “CEB 1” rinses.
If a “CEB 2” rinse is started, based on the number of “normal” backwashes, then this can be indicated
schematically as follows:
If a “CEB 2” rinse is started based on the number of “CEB 1” rinses, it can be represented as follows:
In this case, a “CEB 1” rinse is skipped and replaced by a “CEB 2” rinse.
In the information window , the remaining number of backwashes and/or remaining interval time
will be shown before a CEB will be initiated (see § 10.7 “CEB 2” on page 62).
7.9. CEB 3
The “CEB 3” phase is used to clean the membrane chemically at adjustable intervals.
The backwash may comprise a max. of 11 stages each with a time duration of 0-9999 seconds
/minutes.
This phase can be set in the same way as the “CEB 1” phase.
In the information window , the remaining number of backwashes and/or remaining interval time
will be shown before a CEB will be initiated (see § 10.8 “CEB 3” on page 62).