
Installation and Operating Instructions
SDC 306 1316BED036-11B-E Date 06/09
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11.15 Basic system diagram 15:
2 collector arrays, 1 storage cylinder, return line temperature increase
System 15 has two collector surfaces, one
storage cylinder and one return line
temperature increase. The control unit
regulates the solar function (temperature
difference regulation for 2 collector arrays),
and the return line temperature increase
(temperature difference regulation). Heat
metering is also possible, e.g. using an
impeller flow meter.
K1 = Collector array 1
K2 = Collector array 2
Info Program Manual operation Basic setting
I I I I
Current collector temperature (E1) Maximum temperature of
storage cylinder
Pump A1 off/on Code entry
Minimum collector temperature (E1) Solar circuit Td start A2 off/on Reset/factory setting
Maximum collector temperature (E1) Solar circuit Td stop A3 off/on Select basic
configuration
Current storage temp. at bottom (E2) R2 Td start A4 off/on Max. collector temp.
Min. storage temp. at bottom (E2) R2 Td stop Mode yield metering
Maximum storage cylinder
temperature at bottom (E2)
Set time
Volume flow
∗
Current return line temperature (E3)
DFG/WMM
∗∗
Minimum return line temperature (E3)
Glycol type
∗
Maximum return line temperature (E3)
Glycol percentage
∗
Current collector 2 temperature (E4) Maximum temperature
return line heating
Minimum collector 2 temperature (E4)
Code change
Maximum collector 2 temperature (E4)
Current collector flow temp. (E5)
Minimum collector flow temp. (E5)
Maximum collector flow temp. (E5)
Flow rate
∗
Daily yield
∗
Total yield
∗
∗ Displayed only if yield metering is active.
∗∗ Displayed only if yield metering mode is equivalent to 2.
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