
Installation and Operating Instructions
SDC 306 1316BED036-11B-E Date 06/09
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11.2 Basic system diagram 2:
1 collector array, 1 storage cylinder, auxiliary heating, anti-Legionnaire’s disease
System 2 has one collector surface, one
storage cylinder, one auxiliary heating
function and one anti-Legionnaire’s disease
function. The control unit controls the solar
function (temperature difference regulation),
the auxiliary heating (thermostat, timeframe)
and the anti-Legionnaire’s disease function
(thermostat, timeframe a preset, fixed
period). Heat metering is also possible, e.g.
using an impeller flow meter. For the anti-
Legionnaire’s disease function E2 is used
as reference sensor.
Info 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
(system diagram)
Current storage cylinder temperature at
bottom (E2)
Solar circuit Td start A4 off/on Maximum collector
temperature
Minimum storage cylinder temperature
at bottom (E2)
Solar circuit Td stop Mode yield metering
Maximum storage cylinder temperature
at bottom (E2)
Start temperature,
auxiliary heating
Volume flow
∗
Current storage cylinder temperature at
top (E3)
Set time
DFG/WMM
∗∗
Minimum storage cylinder temperature
at top (E3)
Glycol type
∗
Maximum storage cylinder temperature
at top (E3)
Glycol percentage
∗
Flow rate
∗
Tolerance for solar yield
Daily yield
∗
Period for anti-
Legionnaire’s function
Total yield
∗
Code change
∗ Displayed only if yield metering is active.
∗∗ Displayed only if yield metering mode is equivalent to 2.
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