Quote Originally Posted by kbob View Post
A lot of the ac units have valves on them and upon removing them,prior to any disconnection of electrical or freon lines the technician can close the liquid line valve and push the contacts in manually then the freon will be "sucked into the compressor".This can only be done if the unit is considered functional.The unit will only hold so much "juice".While doing this the tech will watch his Gage's and will know when to close the liquid line valve.Now to my point,just because the unit has the line set(copper lines)cut does not mean that it has been evacuated!Be careful when stripping any unit and don't assume anything!
Roger that! Ill have a HVAC fiend take a looksy first.