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InstallationIndications, functions and optionsMessages Commissioning Operation and function
System 8: Solar system with 1 store and afterheating with solid fuel boiler
The controller calculates the temperature difference between collector sensor S1
and store sensor S2. If the difference is larger than or identical to the adjusted
switch-on temperature difference, the pump (R1) will be switched on and the store
will be loaded until the switch-off temperature difference or the maximum store
temperature is reached.
With another temperature differential function (S4 heat source/S3 heat sink), after-
heating of the store with a solid fuel boiler can be carried out via another pump (R2).
System 8 system screen
N
N N N
10 11
332
2 2 3
2
R2
R1
S4
S3
S2
S1
VBus
VBus
V40
S4
S3
GND
Sensors
Relais
S2
S1
N
R2
R1
L
R4
R4
R2 R1 L
1234
56789
PWM A
PWM B
Temperature sensors
S1 Temperature collector 1 / GND
S2 Temperature store
base
2 / GND
S3 Temperature store top 3 / GND
S4 Temperature solid fuel
boiler
4 / GND
Relay
R1 Solar pump R1 / N / PE
R2 Loading pump solid
fuel boiler
R2 / N / PE
R4 Free R4 / R4
Mains
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