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Priority assignment PA
Priorities can be set for program diagrams with multiple consumers on one heat generator.
This menu item is only displayed for program diagrams with priority. The priority assignment
(output assignment) is adapted to the specific program diagram. The priority assignment
always refers to the pumps.
For pump/valve systems, the priority is always set
according to the basic diagram. (ex works = OFF)
Settings: OFF, 123 to 321, or only 2 outputs (such as 12, 21,...)
Priority OFF Priority
A1 before A2
Priority
A2 before A1
Set values (max, min, diff)
The number of maximum thresholds, minimum thresholds, and differences is displayed
according to the set program number. The distinction between the same thresholds (such as
max1, max2, max3) is displayed by the index (
1, 2, or 3) in the lowest line. Each threshold
comprises two values. I.e. all switching thresholds are divided into on and off thresholds!
NOTICE: Almost all threshold values consist of a switch-on and a switch-off value; their
position to each other is fixed (A > B or B > A). When a parameter is set, the
computer always limits the threshold value (such as
max1 on) if it comes within
1K of the second threshold (such as
max1 off) to prevent “negative hysteresis”.
If a threshold cannot be changed, the second threshold has to be changed first.
All thresholds (
min, diff, max) can be disabled individually. The respective threshold is shut-
down when the highest possible setting value is exceeded. For
min and max, that is 149°C
and for
diff 98K. In this case, the display just has a line ( - ) where the number would be, and
the partial function is considered not available.
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