System 6: 2-store solar system with pump logic
The controller compares the temperature at sensor S1 to the temperatures at
sensors S2 and S4. If the measured temperature differences are higher than the
adjusted switch-on temperature differences, the pump (R1 and / or R2) will be
activated and the corresponding store will be loaded up to the adjusted store
maximum or set temperature respectively at most. The priority logic effects prior
loading of store 1.
Hydraulic variant 1
Hydraulic variant 3Hydraulic variant 2
R2R1
S4
S2
S1
VBus
VBus
S5/V40
S4
S3
GND
S6
S7
Sensors
Relais
S2
S1
N
R3
R2
R1
L
R4
PWM
A
0-10 V
PWM B
0-10 V
R4
N N N N
R3 R2 R1 L
1234
56789
10 11
2
332
2
3
Netz
Sensors
S1 Temperature collector 1 / GND
S2 Temperature store
base
2 / GND
S3 Free 3 / GND
S4 Temperature store
2 base
4 / GND
S5 Free 5 / GND
S6 Free S6
Relay
R1 Solar pump store R1 / N / PE
R2 Solar pump store 2 R2 / N / PE
R3 Free R3 / N / PE
R4 Free R4 / R4
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