
Installation and Operating Instructions
SDC 306 1316BED036-11B-E Date 06/09
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11.9 Basic system diagram 9:
1 collector array, 2 storage cylinders (hot water and buffer), return line temperature
increase
System 9 has one collector surface, two
storage cylinders, one solid fuel boiler and
one return line temperature increase. The
control unit controls the solar function
(temperature difference regulation for 2
storage cylinders, priority logic), 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) Maximum temperature of
storage cylinder 1
Pump A1 off/on Code entry
Minimum collector temperature (E1) Solar circuit storage 1 Td Start
A2 off/on Reset/factory setting
Maximum collector temperature (E1) Solar circuit storage 1 Td Stop
A3 off/on Select basic
configuration
Current temperature of storage cylinder 1
at bottom (E2)
Maximum temperature of
storage 2
A4 off/on Maximum collector
temperature
Minimum temperature of storage cylinder
1 at bottom (E2)
Solar circuit storage 2 Td Start
Priority storage cylinder
Max. temp. of storage 1 at bottom (E2) Solar circuit storage 2 Td Stop
Mode yield metering
Current temp. of storage 2 at top (E4) R2 Td start
Volume flow
∗
Minimum temp. of storage 2 at top (E4) R2 Td stop
DFG/WMM
∗∗
Maximum temp. of storage 2 at top (E4)
Set time
Glycol type
∗
Current return line temperature (E5)
Glycol percentage
∗
Minimum return line temperature (E5) Maximum temperature
return line heating
Maximum return line temperature (E5) Code change
Current temp. of storage 2 - bottom (E3)
Min. temp. of storage 2 - bottom (E3)
Max. temp. of storage 2 at bottom (E3)
Flow rate
∗
Daily yield 1/2
∗
Total yield 1/2
∗
∗ Displayed only if yield metering mode is equivalent to 1 or 2.
∗∗ Displayed only if yield metering mode is equivalent to 2.
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