Tech Challenge – March 2022
A rooftop system utilizing R-410 A with a fixed orifice has a customer complaint of insufficient cooling. The symptoms confirm the thermostat is not satisfied and the blower and compressor appear to be running all of the time. What are the “possible causes” (Note: There is only one problem intended) with the following measured conditions on this field service check sheet?
Check back in April for the answer to this month’s Tech Challenge.
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