DAB e.sybox Bedienungs Und Wartungsanweisungen Seite 93

Example 1:
A pump set composed of 2 devices (N=2 detected automatically) of which
1 set active (NA=1), one simultaneous (NC=1 or NC=NA since NA=1) and
one as reserve (IC=reserve on one of the two devices).
will start and work by itself (even though it does not manage to bear the
hydraulic load and the pressure achieved is too low). If it has a fault, the
reserve device steps in.
Example 2:
A pump set composed of 2 devices (N=2 detected automatically) in which
all the devices are active and simultaneous (factory settings NA=N and
NC=NA) and one as reserve (IC=reserve on one of the two devices).
but this may be useful in case of necessity when a greater hydraulic load
occurs.
Example 3:
A pump set composed of 4 devices (N=4 detected automatically) of which
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3 set active (NA=3), 2 simultaneous (NC=2) and 1 as reserve (IC=reserve
on two devices),
The result obtained is the following: at the most 2 devices will start at the
same time. The operation of the 2 that can work simultaneously will take
place in rotation among 3 devices so as to respect the maximum exchange
- time of each (ET). If one of the active devices develops a fault no reserve
starts up because more than 2 devices cannot start at one time (NC=2)
and there are still 2 active devices present. The reserve intervenes as soon
as another of the 2 develops a fault.
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