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Nathan Trumbach Basic Electrical Circuits March 13, 2022, 2:23 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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This tip was written by a 19-year service tech, Frank Mashione. Thanks, Frank. Here is a tech tip from the field that had stumped me. Luckily for me, I knew the right person to call to get back on track. This business has complained about heat calls for quite a while. I have heard other […]
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Let's first state the obvious. Most techs are intimidated by psychrometric charts and Mollier diagrams. We JUST ARE. While there are some pretty complicated formulas that back up these diagrams, using them isn't that big of a deal once you understand the different elements and then focus on one at a time. BUT WHY DO YOU […]
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