by Big » Sun Apr 15, 2012 12:17 pm
System are charged by either Sub-cooling or super heat , In most cases a drop-in charge is installed , than the system is charge by previous method . Sub-Cooling and / or Super-heat is used to give the critical charge (the the perfect charge the manfacture wants) Any tech worth his weight wil be able to explain this to you . If he can't send him on his way.