Operation manual of solar controller SR1568
Page 19 of 87
System 5: Solar system with east/west collector fields, 1 tank, valve-logic control
Description:
The controller calculates the temperature
difference between collector sensor T1, T0
and tank base sensor T2. If any difference is
larger than or identical to the adjusted
switch-on temperature difference, then solar
circulation pump (R1) will be switched on,
and simultaneously valve R4 turns to the
corresponding collector and tank will be
loaded until the switch-off temperature
difference or the maximum tank temperature
is reached.
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