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Make Sure to Connect You Gauge Quickly To Prevent Contamination!

Updated: 2 days ago

If you remove the vapor access port cap on a running air conditioning system, the low temperature brass on the inside of the port will condense water vapor from the air surrounding the port directly onto the port. This is because the air surrounding the port is often below the dew point.


Don't remove the port cap until you are immediately ready to connect the gauge. Don't even connect the gauge unless you suspect a problem with the refrigerant charge level. We want to reduce the chances of contaminating the system with air and/or water. Remember that water mixed with POE oil creates alcohol and acid. This leads to other problems such as copper plating in the compressor and a breakdown of the resin insulation on the compressor electrical windings. Always remember to protect the system, from the vacuum procedure to the charging and disconnection procedures!


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20 Comments


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2 days ago

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2 days ago

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It reminds me of a completely different industry where acting fast to prevent "contamination" from changing rules is key to survival. I was reading about how online gaming platforms have to quickly adapt or get shut down by regulators, and the ones that survive build systems to handle those sudden changes seamlessly. Totally different field, but the principle of preventing long-term damage by being quick and prepared is the same. Check it out if you're into that: https://www.killedby.tech/soft2bet-games-that-defy-regulatory-shutdowns/

Edited
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alex jaff
alex jaff
Feb 18

A very practical guide to copper tube bending tools and methods. The explanations are clear and informative. At allknight, we https://allknight.com/ appreciate content that simplifies technical topics, making this post especially helpful for professionals and DIY enthusiasts looking to improve skills and efficiency.

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alex jaff
alex jaff
Feb 18

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