At my last job we had a number of AC systems come and go as the offices got altered/expanded. Chatting to one of the installers, he recounted a tale of how one cowboy installed all the pipework, then used water to test for leaks 
No, that isn't a good idea !
For those that don't know, there should be no water in a refrigerant system. Apart of corrosion issues, it freezes in the evaporator or expansion valve or expansion capillary and blocks the system up. Many systems have a filter/dryer unit to absorb any moisture that does get left in.
No, that isn't a good idea !
For those that don't know, there should be no water in a refrigerant system. Apart of corrosion issues, it freezes in the evaporator or expansion valve or expansion capillary and blocks the system up. Many systems have a filter/dryer unit to absorb any moisture that does get left in.