OK, I have retrofitted many dozens of these compressors. I have changed and or field repaired at least 60% of them. I have done startup on some 175ton Turbocor factory mounted chillers. Some of these even failed. I believe in these machines and think they will be bug free someday, but I think they have much to improve on. They've improved a great deal in the past year. Has anyone else seen problems with these on the same scale as I? Please explain if you can.