Sounds like non-connies also.
I would say overcharged..
Sounds like noncondensables. Recover the system, pull a good vacuum, and recharge. Your boss should be smacked for telling to not do anything unless the customer says something about the noise!
You have nitrogen mixed in with the 410. May have happened at the factory or with your leak test if you did one. Pull the charge in the system and be careful not to kill your recovery machine doing it:whistle::whistle:. you may have to resort to some diminimus to not damage your equipment.
Same thing at my company. After I wasted around 15 pounds from two different systems, they finally sent a memo out to all our installers.who cant read anyway. Big sticker right.next to service valves charged with nitrogen, remove and pull vacum then charge.. Lol dont.they get it dry unit....lol
This is that guy who came in $1000 lower on a full system quote!
Now you know what you're paying for!
I hope your boss goes out of business for ruining my industry! Sorry about your luck. I would suggest finding someone else to work for. You are on a sinking ship!
Make sure the piston isnt clogged, but if it were your sh and sc shouldnt be in line. If it warms up any it will be bouncing off high limit.
There's an easy check for noncondensables get post count up and apply for pro.