Minisplit refridgerant piping | Terry Love Plumbing Advice & Remodel DIY & Professional Forum

Hello, this is in regards to a minisplit installation. The instructions aren't clarifying things for me.

1. I have read online that there is a minimum line length for the line, but the document does not say anything about minimum length. Does it hurt efficiency to cut off excess tubing and re-flare?
2. Are there any slope requirements with the refrigerant piping that it must only run down hill? (I know the drain pipe does need to stay sloped.)

...

Minisplit refridgerant piping