Operation manual of solar controller SR1568
Page 28 of 87
System 14: Solar system with 1 collector field, 2 tanks, thermal energy transferring
between 2 tanks
Description:
The controller calculates the temperature
difference between collector sensor T1 and tank
sensor T2. If the difference is larger than or
identical to the adjusted switch-on temperature
difference, then the corresponding solar
circulation pump (R1) will be switched on, and
the tank will be loaded until the switch-off
temperature difference or the maximum tank
temperature is reached.
Another temperature difference between heat
source T3 of tank 1 and object tank T4 can be
used to control the pump R2 to load the tank 2.
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