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Jorge colon Basic Refrigerant Circuit Course November 10, 2021, 4:40 am
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The "Other" Pressure Switch
The chart above is from a Carrier heat pump, and it lists some common accessories. I have heard this common pressure switch (last on the list) called a low-pressure switch (because it opens on fall in pressure) and a high-pressure switch (because it's in the liquid line), but RARELY do I hear it called its […]Read more
Where Do I Measure Delta T?
Over time, I’ve seen people use just about every type of temperature-measuring device in just about every location imaginable. From drilling tiny holes into rooftop unit panels to sticking a K-type wire into a piece of flex duct (I don’t remember why), I’ve done it all. Coming up through the trade, I’ve been TOLD to […]Read more
How to Properly Size a Dehumidifier
This tech tip was submitted to us by Tim De Stasio. You can read the original version on his website HERE. Tim will also be a panelist in the Dehumidification Hootenanny at the 2024 HVACR Training Symposium. Nikki Krueger will moderate, and Genry Garcia, Chris Hughes, and Chris Conway will be fellow panelists. If you’ve […]Read more