Operation manual of solar controller SR1568
Page 17 of 87
System 3: Solar system with 1 tank, east/west collector fields
Description:
The controller calculates the temperature
difference between collector sensor T1, T0 and
tank base sensor T2. If one of the differences is
larger than or identical to the adjusted
switch-on temperature difference, then the
corresponding solar circulation pump (R1 and
/or R2) will be switched on, tank will be loaded
until the switch-off temperature difference or
the maximum tank temperature is reached.