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Basic Electrical Circuits January 24, 2022, 3:41 am
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The What and Why of SEER2
Many techs may not all know what SEER exactly means or how it’s calculated, but we know that it exists, is regulated by the government, and has something to do with efficiency. SEER is the standard efficiency rating of central air conditioning systems, and its values are determined from a controlled set of testing conditions. […]Read more
Can A Motor Run Backwards by Swapping Run & Start?
Can a single-phase motor run backward when start and run are swapped? The answer is (generally) yes. Is the motor designed to run backward by simply swapping run and start? The answer is (generally) no, with a few notable exceptions. Before we jump in, this article has two purposes. #1 – it helps you understand […]Read more
The Pressures Look Good
Yeah? Well, how do you know? What should they be? What are the outdoor and return air temperatures? What SEER rating is the equipment? These are the questions I ask every single time a technician says the phrase, “But the pressures look good for [insert refrigerant of choice here].” When they can’t answer the questions […]Read more