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Basic Refrigeration Circuit March 5, 2022, 9:45 pm
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Service valves are so basic, and we see them with such regularity that we can miss them altogether. Before I give the tips, I want to address the tech who tells the customer it was “probably the service valve” or “the caps were loose” as a plausible reason for a leak without actually making 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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You may have noticed that 3/8 liquid lines are generally the norm in equipment 5 tons and under. We went to a job recently where the system had a 1/2″ liquid line, and it got me thinking about the ramifications of going larger or smaller on the liquid line. Liquid Line Basics The liquid line […]
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