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  1. Replies
    3
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    238

    I concur, 4 ton unit

    I concur,

    4 ton unit
  2. Replies
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    1,192

    Will tell you in your post in the pro commercial...

    Will tell you in your post in the pro commercial section.
  3. Replies
    17
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    1,017

    Never thought I would imagine "Apocalypse Now",...

    Never thought I would imagine "Apocalypse Now", mixed with an HVAC equipment lift....pretty damn ingenious the soundtrack editing!
    You smell that!?
  4. Replies
    11
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    1,192

    Here are pics of the eye sore installation done...

    Here are pics of the eye sore installation done by another outfit a few years earlier, I was talking about. Just an abomination, I cringe everytime I have to service it or even walk by it....
  5. Replies
    11
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    1,192

    The right people make any job go smooth, easy,...

    The right people make any job go smooth, easy, and professionally. We have worked with the same companies for years and they know my expectations as for perfection.
    York/JCI local and factory guys...
  6. Replies
    11
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    1,192

    40 tonner set, installed, final duct, and final...

    40 tonner set, installed, final duct, and final programming/commissioning of system, duct static system, economizer, and freak drives for supply and power exhaust. (SimplicityPC/YORK...
  7. Replies
    11
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    1,192

    40 and 20 ton unit replacements...FUN JOB

    Few months in the making that finally came to fruition last week.
    Not a big job..but a lot of pre-planning and duct designing. 350 ton crane...Pulled the old 1985 Carrier 40ton and dropped a new...
  8. This is one of these discussions in a Public...

    This is one of these discussions in a Public Forum that gives ammunition to the hackers. We all have our own way of doing things based on solid experience in the field.
    Most of the public peepers on...
  9. Replies
    43
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    1,178

    Possibly a faulty oil pressure switch. Have you...

    Possibly a faulty oil pressure switch. Have you verified the oil differential pressure of the compressor? Are you building pressure? Could be internal to the compressor, oil pump issues, strainer,...
  10. Replies
    15
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    756

    Single air-handler feeding the coil or twinned...

    Single air-handler feeding the coil or twinned set of air-handlers? If twinned units, probably want to take return temp a few feet prior to where it splits, and your supply temperature a good 3 to 5...
  11. Replies
    1
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    363

    What were the load calc's that were performed by...

    What were the load calc's that were performed by the mechanical engineer? I would assume for permitting, that you would require these calculations to submit to the city for approval before a building...
  12. Replies
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    504

    Usually will get a copper coupler one pipe size...

    Usually will get a copper coupler one pipe size larger, cut it down the middle on one side, spread it, put it over the existing area, and compress it back down, then braze all around it. Hard...
  13. Replies
    31
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    771

    In addition to pecmsg questions, I will add Type...

    In addition to pecmsg questions, I will add
    Type of defrost...air or electric? Timer operating properly?
    Box at temp?
    Door seals, infiltration, employees leaving door open?
    Evap coils REALLY...
  14. Replies
    11
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    1,138

    Once you learn the technique of utilizing a...

    Once you learn the technique of utilizing a vacuum pump, with valve removal tools, a pair of 3/8 to 1/2 hoses, and can cut your vac time to minutes, you will understand. The least amount of fittings...
  15. Replies
    11
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    1,138

    This is a business complex with approximately 80...

    This is a business complex with approximately 80 RTU units....all the same. Owner loves Lennox and we have been retroing all the Rheems over the years as they formed HX cracks or drop out on cooling...
  16. Replies
    11
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    1,138

    Yeah, most of my hoses are custom made....there...

    Yeah, most of my hoses are custom made....there is a thread about that somewhere.
    http://hvac-talk.com/vbb/showthread.php?1296421-To-the-Nay-Sayers-wanting-proof-of-my-vac-pump-set-up

    I have...
  17. Replies
    11
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    1,138

    Pre-fab curbs are the only way to go. KCC are...

    Pre-fab curbs are the only way to go. KCC are engineered with minimal static loss in mind. I think the DNZ York to the Lennox GCS20 is spec'd for .09"WC and the Rheem to Lennox KGA was engineered at...
  18. Replies
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    Week of Jun 2 to Jun 6...BUSY WEEK

    Just a week of retros....few of the jobs peppered with service calls.

    Old Lennox to a York DNZ on Monday
    BEFORE
    495961
    AFTER
    495971
  19. Ours was some company called ECO...the owner of...

    Ours was some company called ECO...the owner of our company is pretty smart guy, but was given the "this is just the tip of the iceberg", story. So he got suckered in once, and will never do it...
  20. Malls are great if you have the right owners. I...

    Malls are great if you have the right owners. I have numerous malls/strip malls under my belt. As long as you do an honest job, and keep that mall cool or warm year round, they have no qualms paying....
  21. You and I have sooooooo much in common,...

    You and I have sooooooo much in common, TB!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  22. Around here, if it is a NEW Family Dollar Store,...

    Around here, if it is a NEW Family Dollar Store, the RTU units are setting on ground level around the back side of the building. Called out on a new install a few years ago to a remote store in...
  23. Thread: Laptops

    by slctech
    Replies
    7
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    533

    Sometimes, certain tools of the trade....whether...

    Sometimes, certain tools of the trade....whether a screw driver or a laptop, are just purchased on our own dime to make our jobs easier.
  24. Replies
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    Which sensor is it exactly? Lennox as with other...

    Which sensor is it exactly? Lennox as with other manufactures incorporate many different IAQ monitors. Most common would be your CO2 monitor, but being that your referencing a monitor that is not...
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    Not going to get deep. I strongly doubt it is...

    Not going to get deep.

    I strongly doubt it is the board itself, or the internal fuse would be blowing. There is a myriad of wiring through these rooftop units heading out to sensors, limits,...
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