4 213 321 V01 KDT RegelModul Solar EN.docx
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Parameters
Designation
Value
Min.
Max.
Comments
R
W
08-022
Hold-back time
(Tv) collector
controller
0 min
0
10
The hold-back time allows a differential portion to be
allocated to the speed control. The current rise in
collector temperature multiplied by the hold-back
time produces the manipulated variable change
for the speed control. With the hold-back time,
the controller makes a forecast for the reference
value deviation and corrects it according to the
expected control deviation, i.e. it makes a correction
before the reference value deviation has built up.
Time horizon of the forecast = hold-back time.
5 5
08-035
Min. speed PS
solar pump
20%
5
100
Minimum manipulated variable for the speed control
of the collector pump 1
3 3
08-036
Max. speed PS
solar pump
100%
5
100
Maximum manipulated variable for the speed control
of the collector pump 1
3 3
08-091
Max. dT
collector
storage tank
80 K
10.0 80.0
An error message is generated if the temperature
difference between the collector and storage tank
temperature with active solar charging during the
time 08-092 is greater than the setting value.
4 4
08-092
dT coll. tank
error waiting
time
15 min
0
180
An error message is generated if the temperature
difference between the collector and storage tank
temperature with active solar charging during the set
time is too high.
Note: 0 = error message suppressed!
4 4
08-093
Min. downtime
PS solar pump
10 sec
0
200
Off-period for output. After switching off, the output
is blocked for this time to prevent reactivation.
(Relay protection function for high efficiency or
electronic pumps)
5 5
