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  1. Thread: Richard

    by plick27
    Replies
    3
    Views
    441

    Richard, Depending on how many devices are on...

    Richard, Depending on how many devices are on your system it may be a good idea to upgrade with a newer product.
    However, if you're adamant about replacing with existing, I have several on hand. ...
  2. Thread: HVAC School?

    by plick27
    Replies
    13
    Views
    2,231

    Try: http://helmetstohardhats.org/ or ...

    Try: http://helmetstohardhats.org/

    or

    http://www.pipefitters537.org/
  3. Replies
    9
    Views
    915

    If by "fresh air" you mean the unit brings 100%...

    If by "fresh air" you mean the unit brings 100% of it's air from outside the building, you will typically find a sensor in the discharge/supply duct downstream of the coil or heat exchanger. These...
  4. Replies
    27
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    1,304

    this site just jumped off about a week or so ago....

    this site just jumped off about a week or so ago.
    the American rancherX posts are pretty telling.
    they are located under updates/dispatches

    http://secureamericaforever.com/

    would be curious...
  5. Don't see a whole lot of heat pumps around here....

    Don't see a whole lot of heat pumps around here.
    Not sure if the OP said where he was or not but yeah, depending on his location heat pumps could very well be a better idea. Not having to run the...
  6. By changing the use of the space you've also...

    By changing the use of the space you've also changed the application of the equipment. Not sure there's a good out while still using the existing equipment.

    If possible a few roof mounted heating...
  7. Replies
    18
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    3,790

    :ditto:

    :ditto:
  8. Replies
    14
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    892

    Yeah, kinda combined two posts out of context,...

    Yeah, kinda combined two posts out of context, sry bout that. and a perfect world it ain't!

    In a complex we take care of have 1 building with (2) 60tonners for each of the 1st and 2nd floors and...
  9. Replies
    14
    Views
    892

    You would either need to add more return in the...

    You would either need to add more return in the common areas and undercut the doors or add transfer grilles(BLECH!) or add small piece of egg crate to each office. By what you stated: "There is one...
  10. Replies
    14
    Views
    892

    Yes, your are gaining load from the plenum...

    Yes, your are gaining load from the plenum (lights/roof) conversely "pre-heating the conditioned air before it returns". If the system was properly designed the equipment would have been sized to...
  11. Replies
    14
    Views
    892

    Plenum returns are very common and work just...

    Plenum returns are very common and work just fine. You will need to make sure that the supply side is balanced to the load and also make sure you have enough egg crates. The egg crates will also need...
  12. Replies
    74
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    7,626

    Again, nice job John! betcha that system will...

    Again, nice job John! betcha that system will sing. large refrig systems with inadequate provisions for the difference between "pull down" load and "holding/maintaining" load are a bugger in the arse.
  13. Those are actually pretty nice systems. Using...

    Those are actually pretty nice systems.
    Using that 8" pipe for a chase is a new one for me tho.
  14. Replies
    74
    Views
    7,626

    Holy crow that's alot of g@dd@mn carrots! Nice...

    Holy crow that's alot of g@dd@mn carrots!
    Nice Job.
  15. Replies
    10
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    740

    Did they determine why the compressor failed and...

    Did they determine why the compressor failed and corrected the issue that caused it. If not there's a good chance you'll be replacing another one. Compressors don't usually just die, something kills...
  16. hot aisle/cold aisle will work best. we...

    hot aisle/cold aisle will work best.
    we recently installed 8tons(ducted Liebert mini-mate) in a 100sq ft. room.
    this room contained ALL blade servers, creating the dense load.
    we used a large...
  17. Replies
    33
    Views
    2,115

    http://hvac-talk.com/vbb/showthread.php?t=169099

    http://hvac-talk.com/vbb/showthread.php?t=169099
  18. Replies
    19
    Views
    2,110

    Doesn't sound right. All the old devices are CCN....

    Doesn't sound right. All the old devices are CCN. The only issue you may have is with the the TSM which is required to tie the TUC's together and talk to the airsource. If the TSM has failed you've...
  19. the title of this thread should have been:...

    the title of this thread should have been:
    "homeowner douchebaggery? please advise asap, i think karma just came a knockin on my door"
  20. Replies
    10
    Views
    681

    try proliphix. we have them in our off ice and...

    try proliphix. we have them in our off ice and they have worked well. basic thermostat function, networkable and easy to set up.
  21. Replies
    31
    Views
    2,187

    the min/vent damper position will throw a system...

    the min/vent damper position will throw a system out of whack if the zone loads aren't relatively balanced. check those first. it's the easiest and cheapest first step and should provide some...
  22. Replies
    7
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    923

    www.ualocal9.org/ Orlando R. Candelori (Air...

    www.ualocal9.org/
    Orlando R. Candelori (Air Conditioning Div.)
    Great guy, will help you out in any way he can.
  23. Replies
    4
    Views
    4,411

    Local 274 is in your backyard....

    Local 274 is in your backyard.
    http://www.local274.org/Home.php

    Local #9 is in central NJ. It was the first state local to have a dedicated "Refrigeration/Service" business agent and organizer,...
  24. Replies
    13
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    1,116

    Make sure your design will meet [U]ALL[U] of your...

    Make sure your design will meet [U]ALL[U] of your requirements. You will need to let the engineer know what they are tho.
    Where in NJ?
    If you are in north or central NJ drop me a line, my e-mail...
  25. Replies
    89
    Views
    8,486

    "Back history; the job was originally bid at 16hr...

    "Back history; the job was originally bid at 16hr but the customer questioned the job because another compressor, a couple of months ago, had the same work done by another tech in 10hr, so I had a...
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