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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
6.15.12 Yield measurement
To enable solar yield measurement, two additional sensors are required. Sensor B63
must be connected in the solar flow and B64 in the solar return.
The 24-hour and total solar energy yield (24-hour yield solar energy (8526) and Total
yield solar energy (8527)) are calculated based on these data.
Line no. Operating line
3880 Antifreeze
None
Ethylene glycol
Propylene glycol
Ethyl and propyl glycol
Since the mixing ratio of the collector medium has an impact on heat transmission, the
type of antifreeze used and its concentration must be entered, thus allowing calculation
of the energy yield.
Line no. Operating line
3881 Antifreeze concentration
Since the mixing ratio of the collector medium has an impact on heat transmission, the
type of antifreeze used and its concentration must be entered, thus allowing calculation
of the energy yield.
Line no. Operating line
3884 Pump capacity
If the yield is measured without pulse measurement, the flow rate must be determined
in l/h in accordance with the type of pump installed and used to calculate the volume
yielded.
Line no. Operating line
3887 Pulse unit yield
Defines the flow rate per pulse for the selected input Hx. For that purpose, the
respective input Hx must be configured for counting pulses.
6.15.13 Hours run
The number of operating hours of the collector pump are added up by counters.
Hours run solar yield only includes the periods of time during which heat is supplied
from the collector to the storage tank.
The Hours run collect overtemp is the sum of operating hours during which the
Overtemperature protection function has been active.
Note!
The hours run can be reset.
Line no. Operating line
8530 Hours run solar yield
8531 Hours run collect overtemp
8532 Hours run collector pump
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