Resources for learning about ductless splits?

Started by tenletters, July 08, 2017, 11:40:51 AM

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tenletters

I work as a service tech, but never on these. Next month I'll be working on them. Any decent resources that explain their workings and troubleshooting?
https://www.hvactechgroup.com/hvacforum/index.php?topic=2742 - Free Online Tech Course - HVAC Basics

rmuntz

The manufacturer of each brand offers pretty extensive resources.