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Jamie Kitchen

Jamie Kitchen

Account Manager at Danfoss Climate Solutions and host of "Taking the Temperature on HVACR" podcast specializing in commercial refrigeration and air conditioning expertise.

Jul 3, 2026

4:15
What's an example of where you would see it? Would we see it in air conditioning at all? Frozen beverage
4:20
machines, I say certain ice machines that are shavers.
4:24
It's kind of funny because, to be honest with you, and a lot of people don't realize this, is AXVs also can become good hot gas bypass valves because of the way they're designed.
4:36
So can TXVs if you use a special bulb charge.
4:40
And so what they're doing is they open up on a drop in pressure.
4:44
Well, if you're trying to keep a compressor running, say you have a paint booth, two thirds of your crew goes out for lunch.
4:50
You may only have two out of six paint booths running.
8:20
the rule is really if
14:22
Real people, real service.
14:24
But the assumption is that the inside conditions are not going to vary that much.
14:29
This isn't like a cooler that goes to a freezer that goes to a wine cooler, right? It's, you know, between 20 and 23 degrees Celsius, you know, 70, 75 degrees Fahrenheit.
14:40
What does change is the humidity.
14:43
And so the humidity accounts for the vast majority of the load change indoors.
14:48
Let's take two examples.
14:50
You're charging the system.
18:36
So everything that you're saying here, if we go ahead and we charge a system that has an orifice and we put too much refrigerant in, we have a very, very good chance that we could cause that compressor to flood back on a really, really hot day.

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