Hey Ed, If I’m Only Going to Change the Outdoor Unit Out, Is the Oil in the System of Concern?
In this edition of "Hey Ed," Ed talks about if oil in the system is of concern.
Hey Ed, if I’m only going to change the outdoor unit out, is the oil in the system of concern? Yes, no, and don’t do it. How’s that for an answer? My first instinct is always going to be, you don’t just change the outdoor section. It is a system that is comprised of an indoor piece and an outdoor piece, and they get changed simultaneously. In the real world we know that sometimes that’s not a reality, so we only end up changing one or the other. Over the years as systems have changed, the oils that are in the systems have also changed. And while they are recommended to limit their mixing, a little bit of one with some of the other, but I’m going to go back to my original thought and say, it’s less than ideal just to change one part of a system. And that’s the way I see it.
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Ed Janowiak is the Manager of HVAC Design Education at ACCA.
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