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Seb HVAC/R Evacuation Quiz June 16, 2022, 2:03 am
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This article was written by up-and-coming young tech and new contributor Kaleb Saleeby. Thanks, Kaleb! Recently, I came across a work order description in my dispatch that made me scratch my head. Clean Salamander broiler I had to ask the omniscient Google for answers. It turns out it has nothing to do with vividly-colored, “fireproof” […]
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Back in the “good old days,” controls were all analog and mechanical, which simply means that they acted in a directly connected and variable manner based on a change in force. Both pneumatic (air pressure) or hydraulic (fluid pressure) systems are examples of mechanical or analog controls. When the pressure increased or decreased on a […]
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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 […]
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