I Just Got Finished Installing My Solar Thermal System, Its About 3pm and The Sun Has Been Shining All Day. Should I Begin Commissioning The System With Heat Transfer Fluid?

I Just Got Finished Installing My Solar Thermal System, Its About 3pm and The Sun Has Been Shining All Day. Should I Begin Commissioning The System With Heat Transfer Fluid?

I Just Got Finished Installing My Solar Thermal System, Its About 3pm and The Sun Has Been Shining All Day.  Should I Begin Commissioning The System With Heat Transfer Fluid?

NO!!!  This is dangerous.  If your collectors have been sitting in the sun all day they have been heating up.  As soon as you introduce the Heat Transfer Fluid in the system it will immediately steam and could cause personal harm.  Wait till early the next morning when the collectors are cool to commission the system.

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