I'm having a problem with one of three compressors on this unit; Circuit one and three compressor screw cover plates are cold and sweating, circuit 2 compressor is hot to the touch. All three liquid injection solenoid valves are NOT energized, which I thought they stayed on while the compressor was running. In operation manual sequence of operation states that liquid line S.V. and liquid injection both energize on start up. Can anybody help me with this problem? I thought for sure the problem with circuit 2 compressor was due to no liquid injection until I discovered circuits 1 and 3 liquid injection was not energized also.
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