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Type: Posts; User: DaveCR

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  1. Replies
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    I don't know of a 10C1 alarm, but OC1 is valid...

    I don't know of a 10C1 alarm, but OC1 is valid (over current when accelerating)
    Here's the manual.

    538311
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    My observations are for the 5.7" model. Pros It...

    My observations are for the 5.7" model.
    Pros
    It has a bright screen and is nicely finished.
    Many communications options.
    Configuration software is solid.
    Cons
    Touch screen response to taps and...
  3. Lowering the baud rate will be of some help. If...

    Lowering the baud rate will be of some help.
    If there aren't any competing wireless networks, lock the WBTs to a single channel.
    I would guess there are some tuning policies that could be adjusted.
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    Link a BooleanWritable to StatusBooleanToBoolean...

    Link a BooleanWritable to StatusBooleanToBoolean to EmailService / Enable. You may need to execute a clearQueue action on the OutgoingAccount before email is re-enabled.
  5. The FEC line has no provisions (software or...

    The FEC line has no provisions (software or hardware) to operate the stepper motor on that valve.
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    The Trane document in this thread may be of help....

    The Trane document in this thread may be of help.
    http://hvac-talk.com/vbb/showthread.php?792662-BCI-R
  7. Option 1 - if you have access to the PID tuning...

    Option 1 - if you have access to the PID tuning parameters and integration can be set to zero (the latter makes some Carriers a no go) try this. On both AHUs: Set the VFD acceleration to five minutes...
  8. Labeling. One is branded Metasys while the other...

    Labeling. One is branded Metasys while the other is Facility Explorer. Both are Distech.
  9. I doubt this controller is up to date regarding...

    I doubt this controller is up to date regarding software and patches. The browser will need to use an older (rel 25) version of java to access the FX20.
  10. Thread: Lon Plug

    by DaveCR
    Replies
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    698

    Mouser.com

    Mouser.com
  11. Thread: DX 9100 Help!!

    by DaveCR
    Replies
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    486

    Johnson still has the manuals on their site....

    Johnson still has the manuals on their site. http://cgproducts.johnsoncontrols.com/default.aspx?topframe.aspx&0
    Metasys System / Hardware / Controllers / N2 Controllers / DX Series Controllers
  12. Replies
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    Thanks for the info. We ended up gutting the...

    Thanks for the info. We ended up gutting the electronics from the unit and installed a wall thermostat and some relays. Had to do this some years back with a Tadiran ductless when parts weren't...
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    Haier minisplit parts source?

    Any one know of a parts source for these units. Local "rep" has sold just a few of these things and is not bothering to return calls. TIA
  14. Thread: best lap top

    by DaveCR
    Replies
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    1,295

    I check brand reliability at Consumer Reports...

    I check brand reliability at Consumer Reports before I make a purchase. For Windows laptops Toshiba, Acer, Gateway, HP are the most reliable (in the order listed). My work HP has been solid for 5+...
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    Google "niagara ax user guide" (it is a 20mb...

    Google "niagara ax user guide" (it is a 20mb download)

    First though on the warm classrooms is they are not occupied.
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    Here's the JCI Flash Sheet. 486011

    Here's the JCI Flash Sheet.
    486011
  17. Replies
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    421

    If the controllers are at version 5.3, lock ups...

    If the controllers are at version 5.3, lock ups are a known issue; here is the body of the tech bulletin.
    -------
    Problem
    FX-PC Series Programmable Controllers running FX Programmable Controller...
  18. Replies
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    323

    The product pages for their bacnet to modbus...

    The product pages for their bacnet to modbus devices don't mention auto discovery. Try manually adding a point to the jace and see what happens.
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    This machine, if it has an option card installed,...

    This machine, if it has an option card installed, can have its set point and demand limit controlled by 4-20mA (2-10Vdc) signals. The card was a popular option; most of the machines I've run across...
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    I think that A series machine is Trane Comm3/4...

    I think that A series machine is Trane Comm3/4 only. To be sure, give Trane a call and make sure you have the serial number handy.
  21. Replies
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    Those boards need an option card to do Lon.

    Those boards need an option card to do Lon.
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    Put a 10k resistor in series with the slider....

    Put a 10k resistor in series with the slider. Make the AI point a 10k thermistor. Use a SPAN block to get your set point range.
  23. Replies
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    We have done a few of these machines and Tranes...

    We have done a few of these machines and Tranes as well. The controllers have been Johnson programmables (DX9100, FX15, PCG26). To date we haven't had to deal with an EXV, but would probably use an...
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    The points, all of them, should come in off of...

    The points, all of them, should come in off of the .prn file. Try manually adding a device to the N2 network and, in the Resource File selection, browse to the appropriate .prn file. If the...
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    Usually an extra rung or two can be had by...

    Usually an extra rung or two can be had by condensing simple OR blocks. A Or B = C (two rungs) has an equivalent: Not A And Not B = Not C (one rung). If that isn't available, a Timer configured as...
  26. Thread: Niagara Facets

    by DaveCR
    Replies
    1
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    401

    I messed around with the facets approach a little...

    I messed around with the facets approach a little bit and got the same results you did. Since I generally like easy and brute force is OK, I'd simply append the units via an additional bound label....
  27. Thread: CASCADING

    by DaveCR
    Replies
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    505

    google variable frequency drive cascading....

    google variable frequency drive cascading. Danfoss has an outline that covers this control subject among others.
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    Around here, it's "get out the chalk"

    Around here, it's "get out the chalk"
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    Hmm, and all this time I thought we were all...

    Hmm, and all this time I thought we were all independently wealthy and did this for fun...
  30. Replies
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    Find a suitable wire sheet and drop in the...

    Find a suitable wire sheet and drop in the following components from the kitControl pallet: Util/MinMaxAvg and Math/Reset. Set up the MinMaxAvg block for the number of inputs required and link the...
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    This set up works for me with a JCI branded jace...

    This set up works for me with a JCI branded jace at 3.6.xx

    457311

    And CryptoService installed.

    457321
  32. This label works for me on JCI branded jaces....

    This label works for me on JCI branded jaces.
    456241
  33. This guide...

    This guide http://orioncontrols.com/literature/OR-PTLNK2BTL-TGD-01G.pdf may be of help. Search it for hot gas...
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    Have google search for condenser fan speed...

    Have google search for condenser fan speed controller.
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    Ditto

    Ditto
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    Old thread, current problem, right answer (com

    Old thread, current problem, right answer (com < 10). Thanks.
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    You can use the Martin-Hou equation of state to...

    You can use the Martin-Hou equation of state to generate refrigerant properties for use in your simulations. DuPont lists the coefficients in their literature....
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    48AK should be a VAV unit - is this correct?...

    48AK should be a VAV unit - is this correct?
    What are your SFS.M and SFS.S settings?
  39. Replies
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    Numeric schedule?

    Numeric schedule?
  40. Thread: hvacpro

    by DaveCR
    Replies
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    1,329

    It's available through online vendors as part...

    It's available through online vendors as part number MW-MTOOL-0
  41. Replies
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    Point the ord to Facets. Set the Object To...

    Point the ord to Facets. Set the Object To String, Format as %units%.
  42. Replies
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    Right click Proxy Ext, select Action, then Force...

    Right click Proxy Ext, select Action, then Force Read. I've seen older FX40s (1.xx) with this issue at other priority levels.
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    3,164

    A regular laptop bag plus a tool sleeve...

    A regular laptop bag plus a tool sleeve http://www.goclc.com/products/Work-Gear-Softside-Tool-Carriers-Bags-Backpacks/1173 might work for you.
    One of the backpack style tool carriers and a padded...
  44. Replies
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    A "megger" of some sort; Fluke 1520 is what I...

    A "megger" of some sort; Fluke 1520 is what I have.
    The procedure and interpretation of the results is a bit more complicated than what you describe.
  45. Thread: Manometers

    by DaveCR
    Replies
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    2,331

    That Testo 510 looks nice. If I ever get around...

    That Testo 510 looks nice. If I ever get around to buying a digital manometer it would get a hard look. Right now, it's old school for me; I'm using a couple of affordable and quite durable...
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    1,509

    I bought the cordless version and adjustable...

    I bought the cordless version and adjustable chuck (best accessory for a Dremel IMO) for a very specific task. I haven't used it since.
  47. Replies
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    2,296

    For occasional use I'd go to a local supply house...

    For occasional use I'd go to a local supply house to get what's needed. If I was installing VRVs for a living I'd go with something that ratchets....
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    I don't care much for digital; a year or two in a...

    I don't care much for digital; a year or two in a service vehicle will put them out of calibration. Here's a psychrometer without the arm waving.
    http://www.novalynx.com/225-566.html
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    2,507

    Here's a small laser that will get you started....

    Here's a small laser that will get you started....
  50. Replies
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    458

    Some devices support bump less transfer/restart...

    Some devices support bump less transfer/restart which would not require the system(s) to be put in hand. I know nothing about a VLC-651r controller.
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