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for solar collectoruse. need thermal tracking unit.
there will be 2 thermocouples from each side of 1" copper pipe.
if the temp. is higher in one side by more then DALTA T (from 10c- 30c) then the output of 24 vdc will be on.
the left output will be +/- and the right will be -/+ that way the motor can fix the location.
the unit will start only after sensing 70c and higher.
the max temp. is 300c
there will be led light on for thermal on.
one more port of NC. when thermal is off and will be NO when thermal is on
CAN USE K,J OR ANY THERMOCOUPLE THAT YOU FIND FIT.
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