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  1. 17-06-2010, 10:28 PM #1
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    Scramjetman
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    McQuay Frame 3200 Compressors



    Can anybody tell me exactly how the slide valve on a McQuay Stargate Frame 3200 compressor is controlled. It seems to be driven by two signals from the Microtech controller - constant and pulsing in various configurations. How can I test with a meter to verify its position and how it is operating?


  2. 04-07-2010, 09:58 PM #2
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    Re: McQuay Frame 3200 Compressors

    Stop looking. I figured it out. They have two opposed solenoids that position the slide. They are a bit tricky to control as the signal is pulse width modulated, but certainly not rocket science. If anyone needs to know more, drop me a line and I'll fill you in.
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