New link: https://www.aliexpress.com/item/32956162411.html
They are making some interesting pcbs these days.. Inverter support!
Universal DC Inverter control system for split air conditioner QD82 Drive strong DC compressor/outdoor/indoor DC fan motor/electronic expansion valve
Scroll down the page to the wiring details...
Amazon has the QD81B version.. https://www.amazon.com/CHUNGHOP-Univ.../dp/B07S89QC4S
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My hobby is installing & trying to repair mini-splits
EPA 608 Type 1 Technician Certification ~ 5 lbs or less..
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