
Installation and Operating Instructions
SDC 306 1316BED036-11B-E Date 06/09
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11.17 Basic system diagram 17:
1 collector array, 2 storage cylinder, thermal transfer, return line temperature increase
System 17 has one collector surface, two
storage cylinders, one thermal transfer
function and one return line temperature
increase. The control unit controls the solar
function (temperature difference regulation),
the thermal transfer (temperature difference
regulation, timeframe) and the return line
temperature increase (temperature
difference regulation). Heat metering is also
possible, e.g. using an impeller flow meter.
Information Program Manual operation Basic setting
I I I I
Current collector temperature (E1) Timeframe R2 start Pump A1 off/on Code entry
Minimum collector temperature (E1) Timeframe R2 stop A2 off/on Reset/factory setting
Maximum collector temperature (E1) Maximum temperature of
storage cylinder
A3 off/on Select basic
configuration
Current storage cylinder temperature
at bottom (E2)
Solar circuit Td start A4 off/on Maximum collector
temperature
Minimum storage temp. - bottom (E2) Solar circuit Td stop Mode yield metering
Maximum storage cylinder
temperature at bottom (E2)
Max temp. of transfer
storage cylinder
Volume flow
∗
Current storage cylinder temperature
at top (E4)
R2 Td start
DFG/WMM
∗∗
Min. storage temperature at top (E4) R2 Td stop
Glycol type
∗
Max. storage temperature at top (E4) R3 Td start
Glycol percentage
∗
Current temperature of thermal
transfer storage cylinder at centre (E3)
R3 Td stop Maximum temperature
return line heating
Minimum temperature of thermal
transfer storage cylinder at centre (E3)
Set time Code change
Minimum temperature of thermal
transfer storage cylinder at centre (E3)
Current return line temperature (E5)
Minimum return line temperature (E5)
Maximum return line temperature (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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