evening all, just to cut a long story short i am refiitting an indoor unit which has had a leak repaired to a vrv system which is back up and running. basically i havent got the model details to hand but its a vrv with expansion unit added! (extra condenser) on R407c! i was hoping to pump as much gas back as possible into the outdoor but how much do you think it can hold until i have to reclaim. system holds 30kg in total, and from what i remember the factory charge was 15kg! any help greatly appreciated!!