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Installation Indications, functions and options MessagesCommissioningOperation and function
System 7: Solar system with east- / west collectors
The controller compares the temperatures at the collector sensors S1 and S4 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.
System 7 system screen
R2R1
S2
S1 S4
N N N N
10 11
332 2 3
2
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 Free 3 / GND
S4 Temperature collector 2 4 / GND
Relay
R1 Solar pump collector R1 / N / PE
R2
Solar pump collector 2
R2 / N / PE
R4 Free R4 / R4
Mains
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