Operation manual of solar controller SR1568
Page 31 of 87
System 17: Solar system with 1 collector field, 2 tanks, pump switch loading tank,
thermal energy transferring between 2 tanks
Description:
The controller calculates the temperature
difference between collector sensor T1 and tank
1/2‘s sensor T2 or T4. If the difference 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, the corresponding tank will be
loaded until the switch-off temperature difference
or the maximum tank temperature is reached.
The priority logic effects prior loading of the tank
1.
Another temperature difference between heat
source T3 of tank 1 and T4 of the object tank 2
can be used to control the pump R3 to load the
tank 2.
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