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Refrigeration Basics Quiz February 28, 2022, 3:35 am
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As we discussed in an earlier podcast, a TXV maintains a specified and constant superheat at the evaporator coil outlet. It does this through a balance of forces between the bulb pressure (opening force), equalizer pressure (closing force), and spring pressure (closing force). We can actually adjust the spring pressure on some valves. But why […]
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There are many acceptable methods for making a wire splice, and you need to consider many different factors when making a splice. Here are a few considerations. High Voltage vs. Low Voltage – If the connection is 24V or less, it USUALLY has fewer NEC (National Electrical Code) rules and regulations concerning how the connections are […]
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One aspect of motor selection that can get overlooked is motor bearings, and it can have big consequences. Sleeve bearings are most common in residential and light commercial applications because they are less expensive and quieter. They don't have rolling “balls” but rather rely on a thin film of oil on metal sleeves. Sleeve bearings […]
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