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Type: Posts; User: gravity

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  1. Replies
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    Its all the same. The central controller has...

    Its all the same. The central controller has changed and they've come out with some ERV/HRV


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    No. But, the tubing had a foul smell while...

    No. But, the tubing had a foul smell while purging N2. Almost like a carcinogen smell. Hope we don't have issues


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    https://uploads.tapatalk-cdn.com/20200408/c3af8729...

    https://uploads.tapatalk-cdn.com/20200408/c3af8729eb14c920a49917c68862d7a0.jpg
    https://uploads.tapatalk-cdn.com/20200408/1955382f03260d2aa31ac637e262526f.jpg
    Here is our training center myself and...
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    Its a Mitsubishi with a trane sticker. Trane and...

    Its a Mitsubishi with a trane sticker. Trane and Mitsubishi are doing great things together


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    96,000 btu condenser 4- 6,000btu ducted 1,...

    96,000 btu condenser

    4- 6,000btu ducted
    1, 8,000btu ducted
    3, 15,000btu 4way cassettes


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  6. Replies
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    Trane/Mitsubishi heat recovery unit. VRF ...

    Trane/Mitsubishi heat recovery unit. VRF


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    Geofield with heat exchanger Sent from my...

    Geofield with heat exchanger


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  8. Thread: Moms house

    by gravity
    Replies
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    256

    I used hard drawn pipe. The siding is probably 30...

    I used hard drawn pipe. The siding is probably 30 years and aluminum.

    Good eye


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  9. Thread: Moms house

    by gravity
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    The only refrigerant issues ive ever run into due...

    The only refrigerant issues ive ever run into due to different sizes is when doing a high velocity unit like unico.

    Recent was a 4ton unit.

    4ton unico indoor paired with 4ton trane hp. Rated...
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    https://uploads.tapatalk-cdn.com/20200407/812c1f1c...

    https://uploads.tapatalk-cdn.com/20200407/812c1f1c4084d45735f9a71f49a66f11.jpg

    https://uploads.tapatalk-cdn.com/20200407/13059a46f88990536fcf9c75d8aa9550.jpg


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    Watercooled VRF

    New heat recovery unit. 8 indoor units.

    https://uploads.tapatalk-cdn.com/20200407/8ba60faa7d4277a8b59743ab1474f395.jpg...
  12. Thread: Moms house

    by gravity
    Replies
    8
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    256

    Moms house

    New 2ton heatpump, 2.5ton AHU. 10kw heater. New disconnect. New rocks, pad. Turning vanes in elbow

    https://uploads.tapatalk-cdn.com/20200407/f72c693aee2a3ee0a8a77f50471112e0.jpg...
  13. Thread: Generac

    by gravity
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    17
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    2,045

    Looks decent. Gas pipe and fittings should be...

    Looks decent.

    Gas pipe and fittings should be painted.

    More hangers on gas pipe.

    Hangers on conduit not equally spaced.

    I would have used EMT instead of pvc. The pvc likes to come...
  14. Thread: Carrier 38aks

    by gravity
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    854

    They are electric suction cutoff. Some people...

    They are electric suction cutoff. Some people aren't qualified to adjust mechanical unloaders. Even though they are simple. So i made everything fool proof for the next guy.


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    Yes. Its a fine mesh strainer for the BPHE ...

    Yes. Its a fine mesh strainer for the BPHE


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    https://uploads.tapatalk-cdn.com/20200312/d9064974...

    https://uploads.tapatalk-cdn.com/20200312/d906497448c027c4ce93bd0333ae2ae8.jpg
    https://uploads.tapatalk-cdn.com/20200312/e19d91b1075b2e039a80cb23a2ed8d63.jpg...
  17. Thread: Carrier 38aks

    by gravity
    Replies
    4
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    854

    Carrier 38aks

    A upgrade.

    New compressor. New electric unloaders. Bullheaded liquid lines. All new wiring. New HGBP

    Some before and afters.
    ...
  18. Replies
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    Yea. I lied. I propressed it Sent from my...

    Yea. I lied. I propressed it


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  19. Replies
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    Another guy and myself piped and i soldered. ...

    Another guy and myself piped and i soldered.


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    https://uploads.tapatalk-cdn.com/20200129/8079596a...

    https://uploads.tapatalk-cdn.com/20200129/8079596aca069b13d29c77376b68268f.jpghttps://uploads.tapatalk-cdn.com/20200129/0475eb08d958663602765ec74ad82ca4.jpghttps://uploads.tapatalk-cdn.com/20200129/7c...
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    Trane 20-40ton SCUs

    Here are some pictures of the new modular Trane SCUs we have been installing over the weekends. Will post better pics this weekend.
    ...
  22. Yes. It can be an issue. I had that problem with...

    Yes. It can be an issue. I had that problem with mine as well if I didn't have a big enough hole for it to vent. As long as the shrader is pulled. You should be good to go.

    The edge will never...
  23. Thread: Tight Quarters

    by gravity
    Replies
    6
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    603

    Looks good Sent from my iPhone using...

    Looks good


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  24. Yes. Both the edge and western are slow fill. Its...

    Yes. Both the edge and western are slow fill. Its better than slamming 600psi to a valve.

    The edge 2.0 has 2 regulators built in it


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  25. I like the victor edge 2.0 regulator ...

    I like the victor edge 2.0 regulator

    https://uploads.tapatalk-cdn.com/20200116/72b6bb81f6d205b9999588dbc7458e79.png


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  26. Replies
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    https://uploads.tapatalk-cdn.com/20200115/be0bb256...

    https://uploads.tapatalk-cdn.com/20200115/be0bb256d3503b2a1c802de57c0e7424.jpghttps://uploads.tapatalk-cdn.com/20200115/2c87f6571a750f7586f0d0772ac05808.jpghttps://uploads.tapatalk-cdn.com/20200115/4f...
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    I would also like to know all that too. Don't...

    I would also like to know all that too.

    Don't we all do thermodynamics?


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  28. Replies
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    I was super smart until i came upon this thread. ...

    I was super smart until i came upon this thread.




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  29. Replies
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    Its my Trump pen Sent from my iPhone using...

    Its my Trump pen


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  30. Replies
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    You guys make me feel like i know nothing about...

    You guys make me feel like i know nothing about this trade


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  31. Replies
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    Look at all the rust and condensation on the...

    Look at all the rust and condensation on the burner.

    I guess they put the gas pipe together before the csst was hooked up


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  32. Replies
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    That was almost a year ago. Ill snap another pic...

    That was almost a year ago. Ill snap another pic when i get home


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  33. Replies
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    Drawers are locked with a key. 2 squares are...

    Drawers are locked with a key.

    2 squares are door latches

    Its a 250


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  34. Replies
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    https://uploads.tapatalk-cdn.com/20200104/6eacdb4a...

    https://uploads.tapatalk-cdn.com/20200104/6eacdb4af6f8c18172881ba4ee4062d7.jpg


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  35. Replies
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    The 3/8 is bothering me. Ill probably tuck it in...

    The 3/8 is bothering me. Ill probably tuck it in and hide it to the right.

    Did static testing.
    .5" at blower
    .13" in supply
    TESP- .63"

    Did electric heat cfm method and compared. Pretty...
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    https://uploads.tapatalk-cdn.com/20200103/c77af094...

    https://uploads.tapatalk-cdn.com/20200103/c77af094899e717b5023f34f5edd56f1.jpghttps://uploads.tapatalk-cdn.com/20200103/6831de31282d0be6f5c4b72dec304fae.jpg


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  37. Replies
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    Balancing done at the registers. They are 24x24...

    Balancing done at the registers. They are 24x24 layins.

    A scoop was added inside the transition to make the air go into the duct coming off the left.


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  38. Replies
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    More pics ...

    More pics
    ...
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    They work great if they are serviced and...

    They work great if they are serviced and maintained


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  40. Replies
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    1-3/8 x 5/8 Sent from my iPhone using...

    1-3/8 x 5/8


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  41. Replies
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    There was a model 1700 dehumidifier that sat on...

    There was a model 1700 dehumidifier that sat on 4x4s infront of the old AHU.

    I am terrible at taking before pictures. Wish i took them before i started ripping it out


    Sent from my iPhone...
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    https://uploads.tapatalk-cdn.com/20191224/890333b9...

    https://uploads.tapatalk-cdn.com/20191224/890333b997f2bcfd7def37af456afe80.jpghttps://uploads.tapatalk-cdn.com/20191224/74a54e305af32a7c6f440514e5d4bac0.jpg


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  43. Replies
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    Another Trane 2.5ton

    Same building as the 7.5ton

    This one was also grounded and blew its charge when i got to it. Blower was also LRA.

    This was a 5ton. Determined the duct was too small and it was apparently humid...
  44. Replies
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    I also junctioned it outside as well because the...

    I also junctioned it outside as well because the wire was breaking and brittle. So i ran it inside and out in liquid tite


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  45. Replies
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    There was an exisiting 8 conductor wire running...

    There was an exisiting 8 conductor wire running outside. I couldn't change it. So i put a 4x4 box inside and junctiones it to the AHU with 2- 4conductor twisted sheild.

    The thermostat needed more...
  46. Replies
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    To stop the gurgling [emoji23] Sent from my...

    To stop the gurgling [emoji23]


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  47. Replies
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    Technical Training?

    Rising stem gate valves [emoji1362]

    And yes! Lube those bad boys up

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  48. Replies
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    We have oil-less pumps for chillers and stuff....

    We have oil-less pumps for chillers and stuff. Ive used them on very wet systems.

    They need to be sent back after so many hours for maintenance. You will know when you put a micron gauge on her...
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    Find a set of drawings for each school. The hit...

    Find a set of drawings for each school. The hit each school 1 by 1.

    Document model, serial, filters, and belts. Create a tag program if they are not tagged. Ex: fcu1-1, rtu2, wshp-116

    Take the...
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    Depends on the manufacturer. There are...

    Depends on the manufacturer.

    There are settings that can quiet the noise. Might be a dipswitch, could be some buttons you have to push or might be a programming change.




    Sent from my...
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