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  1. Replies
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    On the thread of ice con boards. My units are...

    On the thread of ice con boards. My units are 100% MUA for an old folks home. The residents can't move to quickly and the air blowing in the bed rooms can vary 11F DAT. Not good. Works for an auto...
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    8Snowman8, I'll send you a copy if you provide...

    8Snowman8,
    I'll send you a copy if you provide an email address, I couldn't find one.

    There's some mention of clipping a jumper on those IceCon boards to set operation to 0-10 or 4-20, maybe...
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    The ICE-Con software is strictly for setting up...

    The ICE-Con software is strictly for setting up the burner, and it's a bit flakey to boot. You'd not really want to 'link' to it with any BAS software unless you re-write everything. Too much...
  4. Wireless pneumatic t'stat upgrades, any good feedback?

    I've got a site with about 3 dozen pneumatic thermostats, VAV boxes and perimeter heating valves.
    In trying to sell the customer a BAS system to manage the energy costs, I've come across Millennial...
  5. You can download the PDF of Belimo parts and...

    You can download the PDF of Belimo parts and match up what you think you need. You could also call Beilmo, they are popular.
    D.
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    Smart Logic for your heat wheel...

    This is where you need your control logic to say...

    I want to cool the space, with SAT, so shut the wheel off!

    Do you have logic controls there? I'm not familiar with the specific model of the...
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    The wheel responds to the VFD signal. So what is...

    The wheel responds to the VFD signal. So what is next?
    D.
  8. Replies
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    1,664

    Static Pressure tube sizing...

    I've just recently verified static pressures with a Magnahelic guage at the BAS sensor location and at the duct pickup 100 feet away. 1/4" poly.
    Same pressures, but... the pickup in the duct was...
  9. Thread: PID wound up?

    by D'Laine
    Replies
    14
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    1,378

    The integral may be the problem...

    Every manufacturer writes PID controls, but they don't cross over well.

    I find a UNT will want to see a I value of 600 to 1000. Or none at all for a single compressor.

    D.
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    DX9100 code from simple line code, help

    I know what I want to do, in English it is..

    RWT=Return water temperature
    Output is in milliAmps, an AO on the DX9100

    If RWT is less than 72F
    Then output 7 mA.
    [enables the boilers, which...
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    I recall this same problem on an antique Andover...

    I recall this same problem on an antique Andover system about 15 years ago. Don't know the words you are using but the electronic to pneumatic pulsed transducer needs the signal sent to it every few...
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    Zelio Replacement, well...

    I suspect the heating unit is certified with the Zelio board. From what I've seen on my sites with them, they are deeply integrated into the burner/fan functions.
    To change them out would require...
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    Snow blows indeed...

    I've had several sites where the rooftop unit would crap out after blowing snow. Open the panel and find it full. Lots of sparks when the tranny starts to melt the stuff.

    So what I do now is in...
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    UCM with HyperTerm

    Paul,

    Send me an email on my posted address in the user info. I can give you the cable pinout and config info for hyperterm.

    D.
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    Defrosting coolers

    Regarding "Suction cut-off" , do you mean defrost termination? Pressure rises to initiate defrost termination?
    D.
  16. Replies
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    Walk-in cooler temp recording...

    Have a customer who wants 39F or less in the kitchen coolers. The stat cycles based on air temp. 34 to 38. The kitchen workers often fail to close the doors properly. The air temp is up and down like...
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    Home made ceramic cooker...

    So 77 of you good folks looked at this message and thought
    ...
    Fill in the bank...

    I'm thinking fire brick comes in rectangles. so that dictates the shape of the grill some what. My commercial...
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    Ceramic cookers > boiler re-builders

    I just bought a very friggin expensive ceramic cooker after 40 years of gas grilles that I toss out after 6 years or so due to rot.
    It's a Green Egg knock off, but looking at the Primo, Kamado and...
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    4-20 mA words to use...

    Hey guys,

    I come across 4-20 mA control systems and sometimes have to spec parts and modifications. So...

    Some devices generate a carrier DC voltage, about 10 to 30 volts, and some don't. I...
  20. Thread: New Laptop

    by D'Laine
    Replies
    30
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    2,917

    New field laptop for serial/usb?

    I bought a Panasonic Toughbook a few years ago because it had a real serial port on it. I use that port 95% of the time on BAS/configuration setups.

    Other coworkers want to get laptops too but...
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    ice con cable and software...

    I think I tried 4 or 5 nine-pin cables Mini sub D type and finally found one to work. You'll need a gender bender too.
    There's some software for it with minimal help, but once you get it going, it's...
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    VFDs may work but...

    If it's a gas heating unit with one or two stages, don't try it. You can't set the temp. rise.
    If it's cooling only, you'll need a new discharge air control to talk with the cooling stages and sense...
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    CCN Service Tool V package

    Carrier seems to have several levels of hierarchy here in Toronto Canada. Calling the parts department gets me no where. I finally spent several minutes getting shuffled through their commercial...
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    If this all started suddenly, then someone may...

    If this all started suddenly, then someone may have fudged the software. You've good info to release manual over rides. You can multiple levels of overides in place, good luck.
    When I used to wire...
  25. Liebert head pressure control...

    I assume you're talking about a Liebert model LEE Temp receiver on the side of the condenser. It should have two sightglasses for assessing system charge. At 10 F you should see some refrigerant in...
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