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Basic Refrigerant Circuit Course July 20, 2021, 3:00 am
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When I started in the trade, the idea of flowing nitrogen while brazing was nothing more than the punchline of a joke. Like pulling a vacuum with a micron gauge or proper recovery, it was a wink and nod proposition rather than a real practice. I've had to unlearn many bad habits since those early […]
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Have you ever seen a low-voltage transformer like the one shown above? It has multiple input (primary) taps for a good reason. It is common to find three-phase and single-phase equipment rated to operate on both 240v and 208v power. That is because three-phase power can either be 208v leg to leg when the building […]
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Remote Ice Machines Why would someone want to take an already complicated machine and make it even more complicated? The answer: human arrogance and engineer's hubris. (Just kidding.) Fortunately, thousands of these ice machines have been installed and serviced. Let's take a little overview of a few of the critical differences and things to consider […]
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