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Monitoring the Performance of a Residential Central Air Conditioner under Degraded Conditions on a Test Bench
Abstract
This report presents the measured degradation in performance of a residential air conditioning
system operating under degraded conditions. Experiments were conducted using a R-22 threeton
split-type cooling system with a short-tube orifice expansion device. Results are presented
here for a series of tests in which the various commonly occurring degraded conditions were
simulated on a test bench.
At present, very little information is available which quantifies the performance of a residential
cooling system operating under degraded conditions. Degraded performance measurements can
provide information which could help electric utilities evaluate the potential impact of systemwide
maintenance programs. This report also discuss the development of a diagnostic procedure
based on measurement of refrigerant and air side temperatures.
Subject
performance degradationshort-tube orifice expansion device
residential air conditioning system
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Citation
Palani, M.; O'Neal, D. L.; Haberl, J. S. (1992). Monitoring the Performance of a Residential Central Air Conditioner under Degraded Conditions on a Test Bench. Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University. Available electronically from https : / /hdl .handle .net /1969 .1 /2105.