Asad, You can write an equation that compares the value of the total solar radiation incident on the plane of the collector with your on/off value. For example: collOn = GT(Isolar,0) the variable collOn will have a value of 1 if the value of Isolar is greater than zero. kind regards, David
On 10/07/2016 12:43, Asad Riaz via
TRNSYS-users wrote:
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