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Recently went to trouble shoot the air conditioners at one of the places my daughter works. Installed last fall, but not used until this spring. None of them (12 of them, individual units) was working...

None of them had any refrigerant charge. How's that again? Further sleuthing found... every single one had a pipe joint which hadn't been soldered. Same joint on every single unit.

So much for robotic assembly, eh wot?

Soldered up and recharged. Fingers crossed for tomorrow morning...
Jamie



Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.



Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch

Comments

  • Good CSI! I'll bet you're a hero with your daughter and her co-workers.
    Often wrong, never in doubt.
  • ratioratio Posts: 1,435Member
    Ha! What'd the mfgr say? I'm assuming they're going to cover it completely. Let us know if they step up—I'm always much more interested in how the mfgrs respond to these kind of things than if it ever happens.
  • Jamie HallJamie Hall Posts: 8,112Member
    Wholesaler picked up the tab for the service -- they're going to argue with the manufacturer.
    Jamie



    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.



    Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
  • GBartGBart Posts: 209Member
    who installed it?
  • ratioratio Posts: 1,435Member
    Give the wholesaler an attaboy. That's the kind of place I like to shop at.
  • Jamie HallJamie Hall Posts: 8,112Member
    GBart said:

    who installed it?

    Not me. Nor anyone we know...
    Jamie



    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.



    Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
  • EBEBRATT-EdEBEBRATT-Ed Posts: 3,853Member
    And the manufacturer will say, "all our units are factory tested, we have NEVER had that problem before"

    Bullshit.
    I would fight them for an extended warranty with the units being open all winter
  • newagedawnnewagedawn Posts: 488Member
    curious as to what brand
    "The bitter taste of a poor install lasts far longer than the JOY of the lowest price"
  • the_donutthe_donut Posts: 359Member
    I’d want new dryers too from manufacturer.
  • nicholas bonham-carternicholas bonham-carter Posts: 7,128Member
    Most condensing units come precharged with Freon, so how did an unsoldered joint not blow out well before it was even picked up by the installer, or even during installation?—NBC
  • GBartGBart Posts: 209Member
    When I was a Carrier rep we had a rooftop arrive with a section of pipe missing, talking like a 1 1/4" suction line, factory claimed there was no way, someone must've stole the copper during shipment, unit arrived shrink wrapped and the missing section wasn't cut out.

    We had other oddities too, they use the same control for commercial equip it's just programmed to be a chiller or AH or RTU etc with different decals for the low volt connections and they'd arrive with the wrong programming, it happens but any factory can take serial numbers and find out when they were made and track issues and solve them.
  • ratioratio Posts: 1,435Member
    I've had more than one unit come out broken in a way that could never have run, & once or twice a year we'll get a unit with counter-rotating compressors. Check rotation on all motors.
  • ChrisJChrisJ Posts: 8,834Member
    edited May 10
    I agree with donut. Every filter drier should've been changed. Without a doubt.


    That also wasn't the best for the oil...
    Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment

    Steam system pictures
    https://goo.gl/photos/ZgpNUTyckkmiEdAf9
    Central air project pictures
    https://goo.gl/photos/4JjnLStEq42sWsQo8
  • EBEBRATT-EdEBEBRATT-Ed Posts: 3,853Member
    @GBart

    Had that same issue with a Carrier Chiller. It was air cooled and needed a new main board. Carrier demanded model serial etc said the board had to be specifically programmed for that chiller and that is why shipment of the board was delayed.

    The board showed up ---programmed for a water cooled chiller
  • ratioratio Posts: 1,435Member

    ...The board showed up ---programmed for a water cooled chiller

    Awesome! Did they tell you what option to change to set it to air-cooled?

  • EBEBRATT-EdEBEBRATT-Ed Posts: 3,853Member
    @ratio

    It was quite a few years ago. I think we figured out the changes on our own reading the manual. The only reason I remember is that Carrier made such a big deal about getting the right board and then they sent it programmed wrong
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