The purpose of this report is to provide the results of research evaluating a new method of air conditioningcharging and the effects of improper charging. The method is the visual accumulator-charger device. The reportidentifies seven presently known charging techniques and compares them to the method tested, as well as its accuracyof charging.A research on improper charging compared to the efficiency changes as a result of overcharge and underchargeconditions is the second part of the report.The visual accumulator-charger device proved to be a practical field charging technique for air conditioningsystems and demonstrated an accuracy over a temperature range of 70?F to 100?F.It was also demonstrated that the improperly charged unit was dramatically affected.
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