System 7: Solar system with east-/west collectors
The controller compares the temperatures at the collector sensors S1 and S5 to
the store temperature at sensor S2. If one of the measured temperature difference
is higher than the adusted switch-on temperature difference, the corresponding
pump (R1 and / or R2) will be switched on, thus loading the store until either the
switch-off temperature difference or the store maximum temperature is reached.
Hydraulic variant 1
Hydraulic variant 2
R2R1
S2
S1 S5
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
332 2 3
2
Netz
Mains
Sensors
S1 Temperature collector 1 / GND
S2 Temperature store
base
2 / GND
S3 Free 3 / GND
S4 Free 4 / GND
S5
Temperature collector
2
5 / GND
S6 Free S6
Relay
R1 Solar pump collector R1 / N / PE
R2
Solar pump collector 2
R2 / N / PE
R3 Free R3 / N / PE
R4 Free R4 / R4
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