Hi wonder if anyone could help. I'm working on a sea water cooled ACU, system was short of gas on arrival. I reclaimed what gas was in it (6kg) charge weight is (14kg). OFN tested the system fixed the leak then vac'd the system down to 2 torr. I then fully charged the system. The system was running fine for about 3hours but then started tripping on HP. I've check water flow and return which is fine. Any suggestions, I was thinking there may be a blockage in the system somewhere.

Gas R417A
Copland Scroll compressor