York YKFCGBH6-CVES proximity probe
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  1. #1
    Join Date
    Apr 2008
    Posts
    21

    York YKFCGBH6-CVES proximity probe

    I've replaced a proximity probe on a YDHD-57DD compressor but, the new probe is only a 3 wire connection(retrofit kit) the old probe was a 6 wire. The new probe will show the proximity but, will not show temperature which is sending the chiller into a manual reset fault. Did York send me the right part or is there something I'm missing? Do I have to change something in the programming?

  2. #2
    Join Date
    Dec 2003
    Location
    45th Parallel
    Posts
    954
    I think you will need to upgrade the e-prom on the microboard. The newer versions don't look at High Speed drain temp anymore.
    There may be another way around it, but I don't know what it is.
    Possibly adding a resistor to fake out the input?

  3. #3
    Join Date
    Apr 2008
    Posts
    21
    Quote Originally Posted by drivewizard View Post
    I think you will need to upgrade the e-prom on the microboard. The newer versions don't look at High Speed drain temp anymore.
    There may be another way around it, but I don't know what it is.
    Possibly adding a resistor to fake out the input?
    That's what I thought. I've had to replace the microboard on one of these chillers before and don't remember the new microboard monitoring the drain temp. Thanks for the resistor suggestion though. That would probably work but, I don't know what differential it's looking for and how long after startup does it start to monitor the temp difference? I'd hate to put a resistor for lets say 120 degrees and then have it trip on the same code because the temp differential is to much at startup.

  4. #4
    Join Date
    Dec 2008
    Location
    Dixiana, AL
    Posts
    2,609
    What type drive/starter do you have? For an A style VSD, you need eprom # 031-01675-001. For B-D style 60 Hz VSD, 031-01675-003. I'll have to get out the parts book for anything else.

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