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  1. 08-24-2006, 04:44 PM #1
    service roy
    service roy is offline Regular Guest
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    Hmm whats going on with my system

    i installed my system about four weeks and it was running fine. my pressures were 72 over 230 and had a good super heat and sub.cool. well, latey i've notice that my t-stat wasn't dropping temp.So i checked my pressures and now i have 55 over 200. At first i thought i had a leak but when adding freon my pressures stayed the same,Freon goes in but my pressurs go back.Im thinking i have a restriction at my txv. (please help)
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  2. 08-24-2006, 04:56 PM #2
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    Mr Bill
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    Re: whats going on with my system

    Originally posted by service roy
    now i have 55 over 200. At first i thought i had a leak but when adding freon my pressures stayed the same, (please help)
    Might want to check if your coil is froze up or ice on it, you can put 30# of freon in a system that is froze up, did you install this yourself? are you a tech? if not with a brand new system I would make a call for help to a service tech. before you damage something.
    “I am glad that I paid so little attention to good advice; had I abided by it I might have been saved from some of my most valuable mistakes.” - Edna St. Vincent Millay

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  3. 08-24-2006, 05:03 PM #3
    waynesrefrigeration
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    Sounds like you may still have a leak. Did you pull a vac on the system and use a micron gauge when you installed it?
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  4. 08-24-2006, 05:10 PM #4
    jim baughman
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    ????

    [Edited by jim baughman on 08-25-2006 at 04:13 AM]
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  5. 08-24-2006, 05:41 PM #5
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    Senior Tech
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    Due to Site Rules we are not allowed to discuss "step by step" or "technical issues" in this area.

    If you are a professional in the HVAC/R Field, please register as a Professional Member.
    Provide some general information in your profile. This way we can discuss this matter in the Pro-Forums.

    After you register as a Professional, we’ll move this post over to the ProTech Forum.

    Thanks!

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  6. 08-24-2006, 05:45 PM #6
    captainrat
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    Originally posted by waynesrefrigeration
    Sounds like you may still have a leak. Did you pull a vac on the system and use a micron gauge when you installed it?
    Pulla who? micron isnt that a computer ?
    The Captain.
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  7. 08-24-2006, 08:19 PM #7
    firecontrol
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    Pressures don't mean much without knowing the temperatures and conditions the unit is operating in. If all conditions were exactly the same your pressures should be the same
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  8. 08-24-2006, 10:09 PM #8
    service roy
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    Thumbs up found problem

    well guys, i fixed the problem, it was the txv.It wouldn't open all the way.Now its running like a true champ. Thank you very much for information.
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  9. 08-24-2006, 10:37 PM #9
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    pecmsg
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    So how much crap was on the inlet screen???
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  10. 08-24-2006, 11:05 PM #10
    waynesrefrigeration
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    Yeah, let's all give Roy an atta-boy! LOL!
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  11. 08-24-2006, 11:09 PM #11
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    Mr Bill
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    Re: found problem

    Originally posted by service roy
    well guys, i fixed the problem, it was the txv.It wouldn't open all the way.Now its running like a true champ. Thank you very much for information.
    Did you strap the bulb to the liquid line to make it open up?
    “I am glad that I paid so little attention to good advice; had I abided by it I might have been saved from some of my most valuable mistakes.” - Edna St. Vincent Millay

    The critic is a prisoner to his own experiences and perspectives, erroneously believing his limited experiences are the sum of all truth.

    No Guns…No Freedom…Know Guns…Know Freedom.




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  12. 08-25-2006, 07:10 PM #12
    service roy
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    Lightbulb sometimes

    there was not a screen in the txv, sometimes txv's are design only for the stem to be open half way.Why, i don't know. any suggestions?
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