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Type: Posts; User: crab master

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  1. There's ways to manipulate the SNVT limit, but is...

    There's ways to manipulate the SNVT limit, but is sucks as low as it is (30/45 total from memory) in the 280/300 series and since they made it so much easier to program proprietary it probably...
  2. We had a job that the previous contractor...

    We had a job that the previous contractor programmed it in such a manner, only problem there was no local reset, so they had to call that contractor to reset it....one of many reasons we came in. I...
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    Looks like you may be able to upgrade it to a...

    Looks like you may be able to upgrade it to a 102AX

    Upgrade
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    That was their VAV prior to the 102AX...old...

    That was their VAV prior to the 102AX...old software, not sure I can locate......
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    Give us more details - do you know airflow of the...

    Give us more details - do you know airflow of the cooling system? DX tons? Both DX compressors same size?
    How do you know what is going on in the zone - airflow, terminal load, setpoint vs rm...
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    It is interesting as well at the ASHRAE 2015 show...

    It is interesting as well at the ASHRAE 2015 show how Delta's products looked a lot like Loytec's....
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    On some manufacturer's after a power cycle and...

    On some manufacturer's after a power cycle and every so often they purposely overstroke to help ensure they start at a true start point.

    Next is if the actuator reached its end point and is no...
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    Have you done Automatic Motor Adaptation? ...

    Have you done Automatic Motor Adaptation?

    We've had a few problems of this as well, can't recall all we've done, but AMA did help out from memory,
  9. Another on the Sola

    Another on the Sola
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    Yep, unfortunately, IMO...

    Yep, unfortunately, IMO...
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    Yes as long as you get one with enough channels...

    Yes as long as you get one with enough channels and can route your wiring to do such. In this you would only have to have 3 channels, but I would recommend to get the one with 5, 4 Ft-10 and 1...
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    That's where I gained the name. Place called...

    That's where I gained the name. Place called Scooters outside of Boston. Went there for training years ago...
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    This is almost signature worthy! :grin2:

    This is almost signature worthy! :grin2:
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    Does the device have power? Have the LON wires...

    Does the device have power?
    Have the LON wires to the device been checked for good physical connections?

    If so have you power cycled the device?

    What is your network management tool? ...
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    As KLRogers is saying - Terminators not resistors...

    As KLRogers is saying - Terminators not resistors - http://www.loytec.com/products/accessories/1244-l-term-lt-x3

    or http://www.opensystemsproducts.com/engenuity/Items.aspx?code=Terminators&key=cat...
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    vthuesoen - Welcome to the site. It's nice...

    vthuesoen - Welcome to the site. It's nice having experienced people here as a resource. Please remove your email from the post per forum rules and place in your profile. Also I suggest based on...
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    Do you have remote access? Could easily hire...

    Do you have remote access?

    Could easily hire someone from somewhere else with remote access.
  18. :ditto: Need to have the points exposed as...

    :ditto: Need to have the points exposed as BACnet points in the AS (Automation Server) or in the ES (Enterprise Server).

    They can also be a different protocol if needed/wanted -...
  19. Thread: Osiyo

    by crab master
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    :ditto:

    :ditto:
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    Start in the basement and look for excess air...

    Start in the basement and look for excess air sources coming in. If there's access from each floor to the outside it would be interesting to get pressure per floor. Don't do this on a windy day,...
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    http://www.nutone.com/products/product/93e65573-9b...

    http://www.nutone.com/products/product/93e65573-9b80-4188-b11b-7fc5b25febde

    I put in one like the above, built in humidity sensing but I also have a wall switch to turn it off if I want to. We...
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    It wouldn't let me properly edit this for some...

    It wouldn't let me properly edit this for some reason with out everything being a giant hyperlink...post below.
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    Be less aggressive with the setback, also...

    Be less aggressive with the setback, also consider the period/time frame needed. If your both gone most of the day then it might be worthwhile to set back say 3-4 degrees. Maybe even only 2...
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    Damn, between all the suckin, crap and ankle...

    Damn, between all the suckin, crap and ankle grabbin I had to re-check to see if I was on the wrong site! :grin2:
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    We all know the SOP is only as good as the...

    We all know the SOP is only as good as the details they put into it. Many times they don't put in specific details, PID's, etc. Add CO2 controls other...sure you'll get a general idea. I've had...
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    I also see it as a potential liability for the...

    I also see it as a potential liability for the manufacturer provided sequences. I've written my own a long time ago because of the specific application the ASC of the manufacturer I was working...
  27. Seems to be a lot of discussion that could better...

    Seems to be a lot of discussion that could better be answered and served in the pro's forum. Less rules on a few things as we limit the access to industry professional's.

    Sign up for Pro...
  28. Is there a sequence of operation that is messed...

    Is there a sequence of operation that is messed up with these? In my mind it should work as follows:

    1. During a call for the compressor/solenoid valve Hi Spd Evap Fan(s) enabled (possibly with...
  29. Agreed, then let's add peak demand charge...

    Agreed, then let's add peak demand charge increases....minor due to load but again it all adds up and depending on location, and makes ecm 2 spd better app based on lite/commercial rates ....but hey...
  30. Copy missed where the OP said that, however other...

    Copy missed where the OP said that, however other items yet possibly apply on loading and short cycling...
    BTW you've never picked up flowers at a liquor store? ;o)
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    Welcome aboard. My limited experience it...

    Welcome aboard.

    My limited experience it depends on manufacturer...there is no naming standard. Sure Johnson might have a standard for there names, as does Schneider/others short of custom...
  32. To add to this where is the T-Stat sensing bulb...

    To add to this where is the T-Stat sensing bulb located at? As stated by others as well you won't sense the air as well and could cause things in different areas to 'perish/shorten shelf life' much...
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    Briefing Space Comfort Controller VAV Profiling...

    Briefing Space Comfort Controller VAV Profiling
    8502 - SCC VAV profile

    20033 - SCC VAV Flow Profile

    20034 - Traccel Device Profile ("Proprietary/Additional" SNVT's Available)
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    X2 nvi's you write to over the network to give...

    X2

    nvi's you write to over the network to give it commanded values.

    nvo's are you feedback to tell you what it's doing.

    nci's/scpt's are values to set ranges/parameters - min/max/invalid,...
  35. As a reminder, pricing is not to be discussed in...

    As a reminder, pricing is not to be discussed in the public forums. Become a pro member and post in the pro's section where such rules are not as stringent.

    Links are in my signature
  36. Good points - thanks fixitman

    Good points - thanks fixitman
  37. I've had good luck with the Veris as well. I've...

    I've had good luck with the Veris as well. I've had very poor overall luck with the Dwyer 629 series, been replacing them as they fail with the Veris. I would guess about 10-15% failure rate on the...
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    Yep I have seen a number of LON cards with a...

    Yep I have seen a number of LON cards with a third terminal. Some are for shield if needed, some are just unused and some are ground.
    Still looks like the LON card in McQuay I did years ago. Have...
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    Looks like a LON card. Can you tell if it says...

    Looks like a LON card. Can you tell if it says Echelon on any of the chips?
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    Something changed and the program ID's don't...

    Something changed and the program ID's don't match up. I don't work with NAE's but something caused the program to change. Possible the NAE model? One would think they would allow it to retain the...
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    It might be worthwhile looking into co-location...

    It might be worthwhile looking into co-location if you haven't already.
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    While I probably could I don't think this is a...

    While I probably could I don't think this is a very good idea. The delays in between getting answers with time differences and all would likely end up being multiple attempts.

    Who ever you are...
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    You have to give the code to tech support and...

    You have to give the code to tech support and they run it through an algorithm to generate a temporary password. From memory the session ID changes every 24 hours, so you can't take to long to get...
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    In Lonmaker commission and upload from device

    In Lonmaker commission and upload from device
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    That's awesome, been wanting to do this myself...

    That's awesome, been wanting to do this myself but all I hit is road blocks with the lighting people/others...those fixtures can't support that, it can't be done that way, that technology isn't...
  46. I potentially would. The controller doesn't have...

    I potentially would. The controller doesn't have a spare generic input? I don't know that controller and didn't look at the spec sheet, didn't want to load for me right now, but currently internet...
  47. Is it a 3 way valve at the AHU? If so add a...

    Is it a 3 way valve at the AHU? If so add a strap on temp sensor at the AHU valve inlet and measure the incoming water temp to know if the chiller is on.

    Not sure I am following the OA lockout...
  48. Do you have a flow sensor or a way for the AHU...

    Do you have a flow sensor or a way for the AHU controller to tell if the chiller is shut down?
    Assuming this is near Austin, Tx, your average humidity is up there ~67% RH - ...
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    Yes as long as you program it accordingly.

    Yes as long as you program it accordingly.
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    I like to have OA dampers on their own signal and...

    I like to have OA dampers on their own signal and if I have to share then share return and exhaust dampers.
    This allows me to fine tune OA intake with min. position and building pressure. You have...
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