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  1. Replies
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    Thank you for explaining this to me! I know how...

    Thank you for explaining this to me! I know how it works, but new to refrigeration. Much Appreciated!
  2. Replies
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    720

    Thanks for the input guys. Customer called...

    Thanks for the input guys. Customer called today, and said Unit runs great during the day, but unit drops to 26' at night. I explained to him about low ambient temps, and also explained to him that...
  3. Replies
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    720

    Cut in Cut Out Setting

    Probably beating a dead horse, and I do understand cut in cut out, but not sure if I am going about this totally wrong. I was just curious if experienced guys have any really good tips to getting...
  4. Replies
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    2,365

    I don't have digital gauges. Everything can be...

    I don't have digital gauges. Everything can be done without them. Plus I like to have different gauges for different refrigerants. I also like to have recovery gauges, and Dye gauges. No way I...
  5. Thread: Van Setup

    by budman21901
    Replies
    10
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    818

    Thanks for the info on the sliding locks. I had...

    Thanks for the info on the sliding locks. I had no clue what those things did. I purchased two locks and now use them. I agree those factory locks are garbage! I was actually looking for images...
  6. Thread: Van Setup

    by budman21901
    Replies
    10
    Views
    818

    Van Setup

    I was just given a van with a KUV truck body. I was wondering if anyone has any opinions on setting it up. I will be doing Installs, and service work. I will also be keeping track of a lot of...
  7. Replies
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    6,718

    following other techs that do not provide more...

    following other techs that do not provide more info can be a nightmare. 1.5psi in 30 minutes i would not trust as a leak. Pull a Vac down to 300 microns, and let it sit for 15 minutes. If it stays...
  8. Replies
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    695

    Ended up being a return issue. Although it is...

    Ended up being a return issue. Although it is plenty large enough it seems it has so many turns that it is losing velocity. I will take pictures next time i am there.
  9. Replies
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    695

    York with ECM blower question's.

    York 5ton split system questions. Unit is a split system york HP with 3 banks of electic heat.

    M# MV2ODN21CB
    S# W1D2716695

    Startup of a York split system. First off Plenum is a entire mess!...
  10. Replies
    4
    Views
    695

    York with ECM blower question's.

    York 5ton split system questions. Unit is a split system york HP with 3 banks of electic heat.

    M# MV2ODN21CB
    S# W1D2716695

    Startup of a York split system. First off Plenum is a entire...
  11. Replies
    26
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    3,028

    At the moment you have a 4 degree split, and that...

    At the moment you have a 4 degree split, and that is a major issue! It's time to call a tech out to your home. Regardless of what you think is going on. The system must work correctly before you...
  12. I have worked for a Trane dealer, and have...

    I have worked for a Trane dealer, and have installed a few 20I systems. Love installing them, but hell with working on them. LOL I personally put a 15i in my home and stayed away from anything 2...
  13. Replies
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    921

    discharge bypass valve noisy.

    It is a 7ton split system constant volume air handler supplying to 8 VAV's. They have a VFD to control fan speed by static pressure. Obviously when VAV's are closed, and outside air is closed VFD...
  14. Replies
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    2,527

    Sorry for not getting back to this earlier. I...

    Sorry for not getting back to this earlier. I moved so i have been busy and just got internet hooked up at my new house. Anyways, i replaced the TXV and it solved all the problems. The TXV must...
  15. Replies
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    2,527

    Thanks for the info. No there is no humidity...

    Thanks for the info. No there is no humidity option. I know exactly how a TXV works. They are just not called power heads here, or i have never heard them called that. Diagnosed them many times, ...
  16. Replies
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    2,527

    I am attaching a PDF of the actual unit...

    I am attaching a PDF of the actual unit specifications. Thanks everyone for the replies.

    http://home.comcast.net/~budman21901/lennox.pdf
  17. Replies
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    2,527

    Its a TXV with a sensing bulb. Please help me...

    Its a TXV with a sensing bulb. Please help me understand this if it applies Its not a EEV if that is what you mean.
  18. Replies
    17
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    2,527

    Yes direct drive. Yes, all setting verified in...

    Yes direct drive.
    Yes, all setting verified in controller.
    Yes, SH/SC normal on first stage. SH high, and SC normal on 2nd stage.
    Whats this power element you speak of? Please explain? ...
  19. Replies
    17
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    2,527

    Very simple. Drops straight into a room, and...

    Very simple. Drops straight into a room, and return pulls from the room. No duct issues at all.

    No EEV, but just a normal TXV which i have diagnosed as operating properly. Again, this is a...
  20. Replies
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    2,527

    Not a digital. Its the new Ultratech series. I...

    Not a digital. Its the new Ultratech series. I provided a link at the bottom of the first post of how it works.

    ...
  21. Replies
    17
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    2,527

    Lennox 3ton Rooftop question.

    Lennox RTU
    M#LCH036H4EN Y
    S#5611H05061

    Copland Scroll 2 Stage
    M#ZPS30k4E-TF5-130
    S#11AG38D4N
    410A

    Unit is new and was just set a few months ago. Checked Prodigy control and find 2 Low...
  22. Replies
    9
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    2,618

    Did you take any Superheat during your addition...

    Did you take any Superheat during your addition of pounds of refrigerant? What was the wet bulb in the house? Suction sounds close to normal depending on conditions with R22. Its the head that's a...
  23. Replies
    46
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    2,873

    I would have to agree with Nytefog. Stress to...

    I would have to agree with Nytefog. Stress to him safety, and protection of his body. That's the most important equipment there is. We all were young once and crawled around on our knees, and...
  24. Replies
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    666

    I think "valdelocc" is giving you some good...

    I think "valdelocc" is giving you some good advice. The person in question knows he made a mistake and his superiors know he did also. There is no sense in worrying yourself sick over it. It's...
  25. Replies
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    2,285

    You did not get owned at all. The lineset looks...

    You did not get owned at all. The lineset looks excellent and none of your braze joints leaked at all. You just had tunnel vision that was making you not see the true root cause of the problem. We...
  26. Replies
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    2,285

    Liquid line behind Evap was some of the...

    Liquid line behind Evap was some of the source(threaded fitting). It still leaked down some so i put a different set of gauges on. I then put my micron straight on the liquid line. I then attached...
  27. Replies
    27
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    2,285

    I found the leak today. It's holding fine.

    I found the leak today. It's holding fine.
  28. Replies
    27
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    2,285

    I work with the OP. No, i am not the one that...

    I work with the OP. No, i am not the one that released the evap charge, but i took a look at the problem today. The system will pull down to below 500 but will not hold the vacuum. It continues to...
  29. Replies
    27
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    2,285

    Actually it does not rise to 720 in a hour, but...

    Actually it does not rise to 720 in a hour, but rises to 12000 and continues to rise. That is not moisture boiling off. That is a leak. Does anyone disagree??
  30. Replies
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    759

    Thanks for the reply, That is exactly what i...

    Thanks for the reply, That is exactly what i thought but i am fighting with a few hacks at work and needed to reassure myself. LOL.
  31. Replies
    2
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    759

    Liebert Lineset sizing.

    Leibert Model MMD36 (3ton). When they say reduce suction line size for vertical rizers do they mean entire lineset, or just the section it rises in?



    ...
  32. Replies
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    867

    Welcome to the forum. I live 40 miles north of...

    Welcome to the forum. I live 40 miles north of B-more. Possibly we can feed off each other. I been doing this 3yrs, and just broke into the commercial side.
  33. Replies
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    3,704

    WTF?

    WTF?
  34. Replies
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    21,571

    I have not had time to read every page so i don't...

    I have not had time to read every page so i don't know everything suggested. My opinion is that closing off downstairs returns, and pulling your return from upstairs will help remove the stagnant...
  35. Replies
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    2,145

    This is very helpful. I will start keeping a log...

    This is very helpful. I will start keeping a log of the customers i do, and my accomplishments. I will also keep track of my callbacks, and how i learn from them. I will then go in to the bosses...
  36. Replies
    14
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    2,145

    Thanks for the reply. That's basically what i...

    Thanks for the reply. That's basically what i needed to hear. It just frustrates me that i produce more then many of the guys that work with me, but they make $2 and $3 more then i do with less...
  37. Replies
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    2,939

    I agreed with him on the fireplace thing, but the...

    I agreed with him on the fireplace thing, but the drain was ridiculous. In MD we use condensate pumps all the time, and all that was doing is running to a sink. That guy dug up the entire concrete...
  38. If you install a high efficiency system in a...

    If you install a high efficiency system in a older home with poor duct work it is not going to do a damn thing. Only efficiency it saves is the fact the blower starts at 30%, then 80% etc... The...
  39. Replies
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    11,356

    I have got to get some pics of this apartment...

    I have got to get some pics of this apartment complex i did the other day. 6 calls at the same place. They had no filters. They were removed, and someone cut holes in the bases for more air. They...
  40. I drove Tractor Trailer for 15yrs, and figured i...

    I drove Tractor Trailer for 15yrs, and figured i would change trades. I had a hard time landing a entry level HVAC job so i went and got my CFC universal cert at a local college. I then started...
  41. Replies
    14
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    2,145

    How much should i make?

    I am asking this because i think i am underpaid in this trade. It's also sort of a odd situation because i have advanced very fast.

    I started in this trade 2yrs ago. I started in duct...
  42. Replies
    15
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    2,758

    no headmaster, just normal outdoor units. I am...

    no headmaster, just normal outdoor units. I am just wondering if subcooling is effected by outdoor temp.. No low ambient. Just think perfect brand new condenser. Would 65 degree ambient effect...
  43. Replies
    15
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    2,758

    Superheat/Subcooling question.

    Its 65 outside, and 70 inside with very little wetbulb inside My superheat is 13 degrees, and my sub cooling is 3 degrees. This is a TXV system. My question is does outdoor ambient effect sub...
  44. Replies
    5
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    650

    I live about 150 miles from you, and i would say...

    I live about 150 miles from you, and i would say its not trash, but it's only worth what someone will pay for it. I used to know a guy who used to tear down old barns for old wood. I don't know the...
  45. Replies
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    531

    Thanks for the reply. I couldn't do it now...

    Thanks for the reply. I couldn't do it now because she's not set to get transferred till next year. I i will look later though.
  46. Replies
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    54,886

    My thoughts exactly. I am in a apprenticeship...

    My thoughts exactly. I am in a apprenticeship program, and work hard. I am playing the certification game, and i like it because i do learn a lot. Let's be honest though. If you have some common...
  47. Replies
    154
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    31,916

    Thanks!

    Thanks!
  48. Replies
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    31,916

    I live in Cecil County Md. Where the heck you...

    I live in Cecil County Md. Where the heck you work making that money? And can you get me a application?
  49. Replies
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    31,916

    I am in the position right now. I go on call...

    I am in the position right now. I go on call this weekend for the first time. I truly believe i can do it, It's going to take me longer to figure out the problems, but my goal is not to **** stuff...
  50. Replies
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    531

    Tampa/Orlando Area Jobs.

    My wife is getting a promotion and we will be relocating to Florida next year sometime. I was wondering how the market was down there. I am Nate Certified Install/service for AC/HP and gas. I like...
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