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  1. Replies
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    making a distibutor for a txv

    If the power goes out over night while vacuuming it could suck the vacuum oil into system causing contamination
  2. Replies
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    Update on using 5ton compressor. The old...

    Update on using 5ton compressor. The old compressor was 7.5 and we replaced with 5 ton and used same txv used for 7.5 ton and also used 422d instead of r-22. The system works great as all was need...
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    Well it's locked out at 68. Quick question on new...

    Well it's locked out at 68. Quick question on new compressor. What is the line next to suction line on the compressor ? I have obviously suction and discharge but tube next to auction is that for...
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    Hope you learned something atleast. I did

    Hope you learned something atleast. I did
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    That was the complaint when those who are working...

    That was the complaint when those who are working out get to warm 64-62 was the preferred temp. I need a lock out temp of 68 max
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    Capacity and energy efficiency at low– and...

    Capacity and energy efficiency at low– and
    medium–temperature tends to be lower than
    HCFC-22. If the present R-22 system was
    at its maximum capacity during design
    conditions, additional capacity...
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    the new comp that is designed for r22 is charged...

    the new comp that is designed for r22 is charged with Poe oil. So I think the r422d will be just fine.
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    The 2nd compresser will hard let ever be used due...

    The 2nd compresser will hard let ever be used due to it never goes below 65
  9. Replies
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    Yes

    Yes
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    That was his explanation but I am changing out...

    That was his explanation but I am changing out txv. The one compresser will take care of the heat load expect when exercise room is used and temp needs to get down to below 65.
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    Cause we installed another roof top 3 years ago...

    Cause we installed another roof top 3 years ago and there has been some remodel and this trane doesn't have the heat load that it use to. All this trane is for is a lunch room and an exercise room...
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    That I don't know. I have 3 other comps in the...

    That I don't know. I have 3 other comps in the roof that have been on r422d and they are still running great. I am going to open comp and see what the cause was
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    I reversed the leads with no result

    I reversed the leads with no result
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    Next question. The trane is a 7.5 ton comp and...

    Next question. The trane is a 7.5 ton comp and will be replaced with a 5 ton comp but boss says its ok to leave the txv and not replace. What is going to be the result with the second stage comp...
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    I'm with you on that except I charged the...

    I'm with you on that except I charged the compresser with r 422d last year and just bought a new jug as well.
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    Update on trane- I have Reversed the leads to see...

    Update on trane- I have Reversed the leads to see if that would free up comp also I have measure voltage from lead to lead to lead and get 480, I also hit the top of the dome with hammer and again...
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    They are side by side compressors feed off one...

    They are side by side compressors feed off one disconnect. I was going to take power from the running unit and connect to the other unit to see if power was an issue before I got deeper into cause. I...
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    I will try that and update on Monday morning.

    I will try that and update on Monday morning.
  19. Replies
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    The compressor next to the one I am having...

    The compressor next to the one I am having problems with has the exact same voltage on each leg to ground and that one is running great. I wanted to compare voltage with the one that is running
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    Yes to ground

    Yes to ground
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    Yes 280 to ground is what I meant. Sorry for the...

    Yes 280 to ground is what I meant. Sorry for the confusion.
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    460/3

    460/3
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    Comp doesnt even come on and the dome just gets...

    Comp doesnt even come on and the dome just gets hot. Im thinking replacement! thing that gets me is why are the ohms the same and nothing to ground. Usually you get a reading that says the windings...
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    well 279 from com terminal to ground then next...

    well 279 from com terminal to ground then next termnial to ground 280 and next termnial on comp 280.
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    Amps start at 7.3 then to zero. The other comp is...

    Amps start at 7.3 then to zero. The other comp is at 10.24
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