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Model GSC130481AG, S# 0808548576 The common wire to the compressor rubbed through the wire insulation and melted a hole in the discharge line from the compressor. Upon loosing all of the refrigerant the compressor ran hot a warped the valves. I repaired the leak and replace the compressor and liquid line filter drier. Upon start up the system would take little refrigerant. The suction pressure went into a vacuum with a 115# head pressure. What is wrong here?

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  • serviceman75 Jun 26, 2009

    This was not a burn out. The compressor ran too hot and warped the valves. I have blown out the evaporator, orifice and lines from the condensing unit to the air handler. Could there be a restriction in the condenser coil? Could something have broken loose from the old compressor? Would this be the manufacture's responsibility?

  • serviceman75 Jun 26, 2009

    Yes. Everything has been done text book perfectly. Very thorough. The ONLY thing that I have not done is to isolate the condensing unit and blow through it with nitrogen. The problem here is that i can't blow through the condenser coil effectively with the compressor in the circuit.

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You have a restriction in the system. Probably in the TXV or orifice in the A/H.
The burn out sent trash/fragments through the system. I would open the sytem and blow nitrogen through, then pull a deep vacuum.
You may need to install a low side filter/drier. When you open the system change out the high side drier again for sure.

Posted on Jun 26, 2009

  • steve
    steve Jun 26, 2009

    Did you vacuum the system to 500 microns after the repairs were done?

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