The lines held 350psi of Argon for 24+ hours, no leaks. So tonight I vacuumed out the lines and released the refrigerant into the system. The compressor comes pre-charged so once everything is hooked up and ready, you just open the valves on the outdoor unit and you’re ready to run.

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The system runs in cooling and heating modes, both were tested and work. GREAT SUCCESS.

Now I can finish skinning the walls. Hurray!

The unit at the rear of the shop
The unit next to the lift
OPERATIONAL!