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Type: Posts; User: Salmon_king

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  1. Replies
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    Wow, that was fast. At least my machine made it...

    Wow, that was fast. At least my machine made it to 30 000 hours.
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    BTW thanks for the images. How many hours did you...

    BTW thanks for the images. How many hours did you have on your machine?
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    In our case we never lost lubrication. The...

    In our case we never lost lubrication. The machine was found to be quite short of refrigerant though and one of the techs suggested that when these machines are low on gas they can develop a low side...
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    I know this is a long shot but would anyone have...

    I know this is a long shot but would anyone have an image of an undamaged York high speed thrust bearing? My customer is going through a lengthy insurance claim over this and the adjuster would like...
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    Here is the model of the compressor YDHD-57 DD....

    Here is the model of the compressor YDHD-57 DD. Does anyone have a PDF copy of the manual? I have a scanned copy that makes it hard to search for specific text.
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    In this case, just the high speed was buggered....

    In this case, just the high speed was buggered. The proximity sensor would not reset. Before we tried the recal procedure we looked at the oil filter and it had some copper shavings from the thrust...
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    Lastly, does York have a recommended service...

    Lastly, does York have a recommended service interval for their bearings?
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    York high speed thrust

    Gentlemen, I have a York 134a (YDHD-57) Compressor that had a failure of the high speed thrust bearing. All the other bearings in the set are fine and the oil pump is fine. We replaced all the...
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    has anyone heard of R-245fa?

    I see that Honeywell is working on this new refrigerant. It looks interesting. Has anyone else heard anything? It is kind of a low pressure refrigerant but from what I have read it will not be a drop...
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    It is more of a buildup problem than a corrosion...

    It is more of a buildup problem than a corrosion problem. I have always left it there. I have found that if it is actual corrosion it will fall off on its own while you are doing the tube cleaning....
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    Thanks for your thoughts. I had sort of the same...

    Thanks for your thoughts. I had sort of the same opinion but I was asking on behalf of one of my co workers. He thought we could get a recommendation from the factory. I think that would be wishful...
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    McQuay tube sheet issues

    Can someone tell me if there is a reason why McQuay does not face their tubes? I have a condenser end that is collecting a lot of debris on the face because the tubes are sticking out a couple of...
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    I have sent you an email.

    I have sent you an email.
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    It depends. If the chillers came with the LCI...

    It depends. If the chillers came with the LCI cards you are fine but if not you will have to bind them. You would then also have to flash the LCI card with the proper image for the chiller you are...
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    If you are thinking about a 700 ton water cooled...

    If you are thinking about a 700 ton water cooled then you are also thinking 123 vs 134a since Trane only makes a 123 machine in that size. I think the Trane machine in that tonnage range is about the...
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    Captian Stabbin I sent you an email that should...

    Captian Stabbin I sent you an email that should cover it.
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    If you mean the current transformers, they seem...

    If you mean the current transformers, they seem to be fine because the reading agrees with my meter. I will swap the ct's with the other compressor because it may be an intermittent problem. I had...
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    Thanks, I haven't had time to go digging around...

    Thanks, I haven't had time to go digging around in the compressor terminal box but it is about the only thing left to check.
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    York low motor current trips

    I have a York m/n YCAJ130 s/n RAHM7724AA that is tripping #1 compressor on low motor current. It runs fine for a week or two and then trips. Sometimes it is shortly after startup and at other times...
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