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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
6.15.6 Collector start function
Line no. Operating line
3830 Collector start function
If the collector temperature cannot be correctly acquired because the pump is not
running (especially in the case of vacuum tubes), the pump can be activated from time
to time.
The function activates the collector pump at the set interval for at least the
parameterized minimum running time. If the required collector temperature is reached
within the minimum running time, the pump keeps running. If the collector temperature
does not reach the required level, the pump is deactivated again.
Note!
The Collector start function is only performed if the storage tank temperature does
not lie above the storage tank safety temperature.
Line no. Operating line
3831 Min run time collector pump
When the collector pump is activated, it operates for the minimum running time,
independent of temperature differentials. The minimum running time of the pump can
be parameterized and is active with all functions that activate the collector pump.
F
On
Q5
Active
tmin
t
7471d22e/1009
Figure 58: Collector start function – minimum run time collector pump
Key
Meaning
F Function (Active/Inactive)
Q5 Collector pump (On/Off)
tmin Minimum collector pump running time
t Time
Line no. Operating line
3832 CollStart function on
The Collector start function starts at the time of day set here.
Line no. Operating line
3833 CollStartFunction off
The Collector start function ends at the time of day set here.
Collector start function
Min run time collector
pump
CollStart function on
CollStartFunction off
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