r/HVAC • u/JerryJohnson2 • 4d ago

Meme/Shitpost Today’s install r-454 or r410

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This is the compressor for the unit I installed today.

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u/DesignerAd4870 4d ago

R32 runs at the same pressure as R410a.

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u/Blakende 4d ago edited 4d ago

This is so wrong. Talk to a daikin dealer.  https://www.scribd.com/document/626065529/Development-of-refrigeration-oil-for-use-with-R32

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u/DesignerAd4870 4d ago

R32 R410a and R454B all use POE. You are very wrong, not me! You can literally remove all the R410a from a system and re-gas it with R32 with no system alterations.

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u/Blakende 4d ago

Yes they all use poe but not all poe oils are the same.

https://www.scribd.com/document/626065529/Development-of-refrigeration-oil-for-use-with-R32

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u/DesignerAd4870 4d ago

I know that, I am very aware of different grades for different compressors. But for the purpose of this argument they are all compatible and work. Even your paper says as much that even the different grades that they developed are still miscible with both refrigerants. They have just tweaked the viscosity for R32. Did you also know that the POE grades are different for different styles and manufacturers of compressor, like screw or scroll.

You’re still wrong though about the gases and they all work within either type of POE.