This is a How to DIY Video on Ductless Mini Split single dual four zone units. Also Air Handler and Evaporator The best method of putting 410a freon in a Compressor is by weight period.
Tightening Torque Table:
1/4" 11-15 ft. lbs
3/8" 23-26 ft. lbs
1/2" 37-41 ft. lbs
