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Installation Indications, functions and options MessagesCommissioningOperation and function
System 3: Solar system with 1 store and afterheating
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.
Afterheating (R2 and R4) can be carried out with a thermostat function (S3). If the
value at S3 reaches the switch-on temperature for the afterheating, the relay is
switched on. If the value exceeds the switch-off temperature for the afterheating,
the relay is switched off again.
System 3 system screen
R1
S2
S1
R2
R4
N N N N
10 11
332
2 2 3
2
S3
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
afterheating
3 / GND
S4 Free 4 / GND
Relay
R1 Solar pump R1 / N / PE
R2 Store loading pump R2 / N / PE
R4
Afterheating demand
R4 / R4
Mains
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