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InstallationIndications, functions and optionsMessages Commissioning Operation and function
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.
R2R1
S2
S1 S5
Te mp. Sensor
Pt1000
L
R3
R2
R1
GND
S1
S2
S3
S4
S5
VBus
PWM 1
PWM 2
N
R4
V40
VBus
GND
L'
VFS
RPS
Sensors
S1 Temperature collector 1 1 / GND
S2 Temperature store base 2 / GND
S3 Free 3 / GND
S4 Free 4 / GND
S5
Temperature collector 2
5 / GND
Relay
R1
Solar pump collector 1
R1 / N / PE
R2
Solar pump collector 2
R2 / N / PE
R3 Free R3 / N / PE
R4 Free R4 / R4
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