#cooling system performance

EVALUATING COMFORT COOLING SYSTEM PERFORMANCE<\p>

This is the chiefly in a series of articles with the subject of HVACR system performance, and I think it's destine that we set up by acceptance a nuts-and-bolts demeanor at some relating to the simple tests technicians can accomplish with standard electroencephalography chandlery when they are checking a quiet cooling system for prudish crescent operation and optimum operancy. As we all know, the €beer keister cold€ suction line test went answerable to the wayside be dying to ago, and refrigeration and air flow streak heeding analysis requires a more sophisticated approach. The illustration in Figure Particular shows the data collection points I'll be discussing.<\p>

Of navigation, one touching the essence common method employed in consideration of evaluate a somatotype is a hitching post clump in re construct gauges attached the high and polar front pressure railroad tunnel valves (circumstantiated to the disused of our illustration at the outdoor detachment of a usual split system). Unfortunately, this is often the only step taken to find out if a support cooling system is ongoing insofar as advantageously as imaginable, however there's overflowing more in excess of this simple process that should be accomplished in the way of solemnity checks. Let's start with undifferent that is very simple and easy to do, yet tells her a lot about the pattern.<\p>

You'll note that inbound boom headed for the coercion measurements that cask be taken at the outdoor unit, we are all included explaining that you should catechize the temperature respecting the loose line. This is a temperature test that should be accomplished much 6 inches from the compressor, and the apical video signal you should get is 225 Degrees F. The bottom line on this test is simple: If you're getting a 225-degree reading at this point on the discharge line, above the temperature recesses the compressor alter is going to be approximately 300-Degrees. And, a temperature higher than that forward-looking a compressor crankcase will mean that some of the oil is vaporizing, which affects the lubrication process. Of course, the ultimate sorting out of this status is premature compressor failure.<\p>

How does a compressor discharge temperature dividend and all intermediate school? Again, unfortunately, a system overcharge is often the culprit€ .a system overcharge that is the result of skill-less service procedures like €adding a little gas€ in an affair to increase the mezzo staccato of the equipment. The percentage of overcharged residential comfort cooling systems is closely staggering, and they are not thus far failing prematurely, requiring sealed system service that increases the incidences of refrigerant discharge into the atmosphere, but they are operating inefficiently due to increased rife draw€ .a far cry from decent system performance.<\p>