equipment tutorials: refidgeration basics https://youtu.be/XHIn2kxTzVE manifold https://youtu.be/xGQ1OwqEppU Evacuation/recovery: https://youtu.be/S19vONN4Bb4 https://youtu.be/PyrXZVyK7lo https://youtu.be/nBCWYgCcnpE Also has links to the tools he used system pump down https://youtu.be/XG1gEZ-Qikg outdoor unit https://youtu.be/P0E62_QSkGc Installing an outdoor unit: https://youtu.be/y3GJpnlEUxc change a R22n to 404a expansion valve https://youtu.be/EXUN5JxOPlA Other research: https://musingsonentropy.com/hvacr/ tool bag for service techs https://youtu.be/cseu-rNrHuo AC manifold gauge set |
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