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  1. Replies
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    Being a university building, I'm wondering if...

    Being a university building, I'm wondering if there is a lot of fixed exhaust. Fume hoods, restrooms, labs, whatever.

    We don't have enough information to begin reasonably guessing so that's why...
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    A better question: Why are you trying to take the...

    A better question: Why are you trying to take the AHU OA Damper below it's minimum?

    It was likely set there for a reason, why do you want to circumnavigate that reason?

    Ken
  3. Have you tried to force a download to the board?...

    Have you tried to force a download to the board?

    Power cycle?

    When your lights are being weird do you try any troubleshooting?

    Maybe disconnect the inputs or outputs to see if things...
  4. Here is what I got from the SCU TCON on LED's....

    Here is what I got from the SCU TCON on LED's. TCON312 Version date is 07/11. This applies to the SCU 1200, 1280 & 1284.

    LED Status

    The SCU has three status LEDs on the interface board as shown...
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    Check your email. :grin2:

    Check your email. :grin2:
  6. Replies
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    Found the files! Just need an email address to...

    Found the files! Just need an email address to send them to.

    My email is in my profile.

    Ken
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    Sorry, haven't been on here much this week. ...

    Sorry, haven't been on here much this week.

    I'll check my hard drive in a few.

    Shoot me an email and I'll send you what I can find.

    Ken
  8. I/Net is fairly bulletproof but also fairly...

    I/Net is fairly bulletproof but also fairly archaic as BAS out there.

    Schneider has priced the boards high, if you can even order replacements or repairs anymore, and they are only required to...
  9. Have you tried to reload the SLI?

    Have you tried to reload the SLI?
  10. Have you tried to remove and replace the...

    Have you tried to remove and replace the schedule?

    Ken
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    Schneider Electric covers a multitude of BAS....

    Schneider Electric covers a multitude of BAS. I/Net? Continuum? Vista? Invensys? StruxureWare? Something else?

    They all program differently. You need to be a bit more explicit on what you're...
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    Duplicated post

    Duplicated post
  13. Replies
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    I'm looking at the MR-55 Install Guide. The...

    I'm looking at the MR-55 Install Guide.

    The test light will remain on if the board passes the self-test at power up.

    Constant on is good, blinking indicates a problem.

    Is it a local point...
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    That's what i was getting at but wanted to...

    That's what i was getting at but wanted to determine if it was a relay or triac output, first.
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    It's been a few years and I don't have a system...

    It's been a few years and I don't have a system in front of me but let's see what I can pull from memory, ok?

    For starters, what kind of board are you using here? MR? PCU?

    Assuming it's an MR...
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    What kind of board are you using?

    What kind of board are you using?
  17. Replies
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    I'll usually let the MAT start closing down the...

    I'll usually let the MAT start closing down the OAD as the temp drops from 45įF down to 40įF. At 40įF the OAD is at 0% open.

    If things are getting that cold in the mixing box then there's clearly...
  18. Thread: P-Cone

    by chesehd
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    218

    Alrighty, I've worked with these in the past....

    Alrighty, I've worked with these in the past. Just never heard that names used before.

    From what I can recall (been a bit of a while) the fan manufacturer that had these installed provided an...
  19. Thread: P-Cone

    by chesehd
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    I'm not familiar with p-cones, by that name...

    I'm not familiar with p-cones, by that name anyway.

    Is that a slang term for a measuring device?

    A quick search on Google reveals acoustic devices.

    Teach an old man something new, 'eh?

    Ken
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    That was pretty good. Thanks for sharing....

    That was pretty good.

    Thanks for sharing. :grin2:
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    I have about twenty years in the trade, the last...

    I have about twenty years in the trade, the last five with ALC.

    I've done just about everything at some point with the exceptions of running pipe (a combined skill and art I've never been taught...
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    I'm going to make the dangerous assumption that...

    I'm going to make the dangerous assumption that there are exhaust fans in this building that are running when the spaces are occupied.

    The way I try to explain it to the building owners/engineers...
  23. Thread: SLICK TRICK

    by chesehd
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    I have some exhaust pipes on my bike that will...

    I have some exhaust pipes on my bike that will need to come out eventually.

    I'll keep this in mind if I have issues.
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    Do you have a circuit setter on the return side?...

    Do you have a circuit setter on the return side? If so you could use that to isolate the valve.
  25. Replies
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    One more thing that just popped in my head, if...

    One more thing that just popped in my head, if these are not new boards (saved from something else) then you could try to format the boards and clearing out the whole thing.

    I've seen that fix...
  26. Replies
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    A few things to look at: 1) The most obvious...

    A few things to look at:

    1) The most obvious and basic place to start: You have power on the boards, right? No red, error light staying on? See if you can find a technical instruction (T.I.)...
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    A connoisseur of mechanical implements.

    A connoisseur of mechanical implements.
  28. Replies
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    I prefer the terms collector or archivist. ...

    I prefer the terms collector or archivist.

    Sounds much more sophisticated and less crazy that way.
  29. I've encountered this same problem in the past. ...

    I've encountered this same problem in the past.

    You can call JCI's tech support, give them the model/serial numbers and they can send you the appropriate manual.

    It takes a little effort to get...
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    With Milwaukee just past my back yard, I'm nearly...

    With Milwaukee just past my back yard, I'm nearly always seeing job postings for every level at JCI around here. That place is a revolving door.

    From what I've heard Numbawunfela's comments to the...
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    Instead of a thermos why not a Camelbak backpack?...

    Instead of a thermos why not a Camelbak backpack?

    Then again, the extra weight you're carrying may offset the relief you might feel trying to stay cool.

    Just a thought and a penny in the pot.
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    If I'm reading this correctly, and please fix my...

    If I'm reading this correctly, and please fix my thinking if I'm not, on a call for heat you're running the valve output on a duty cycle between the cut in point (say 3VDC) and your max/cut out point...
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    I'm late to the party and this may have been...

    I'm late to the party and this may have been covered as I don't have access to the video you saw, but didn't you need to open the terminal emulation and then hit the F4 button to get the ball...
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    Congrats on the success so far and keep on going...

    Congrats on the success so far and keep on going until you hit the goal!

    I dropped about 25-30 lbs last year mostly by skipping dinners. They call it intermittent fasting.

    I've been holding...
  35. I just want to make sure I am following you. So...

    I just want to make sure I am following you. So basically if I go into the resident IO menu, and setup new calculation modules, PID modules, inputs, outputs, etc. they basically load onto the...
  36. Thread: Much better

    by chesehd
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    Yeah, I've been avoiding the site for a while...

    Yeah, I've been avoiding the site for a while with all the annoying "improvements."

    Glad it's back to something I can read!
  37. Replies
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    In over forty years you are probably the first...

    In over forty years you are probably the first and only person to call me a great writer. So no, I've never been told that in my life! :grin2:

    I was always a bit cheeky but hardly ever a badass....
  38. Replies
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    If you have the HVAC principles down and...

    If you have the HVAC principles down and understand the building science you're going to be well on the way to succeeding.

    Prior to getting in to the BAS world I was an electrician in the US...
  39. Replies
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    When I was running service calls I've seen days...

    When I was running service calls I've seen days that ranged from failed power supplies, failed sensing devices, failed boards (relatively rare but still happened).

    I've had buildings struck by...
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    Do you have any existing units that are...

    Do you have any existing units that are configured similar to the Trane units?

    That's the first place to start looking, in my opinion. If you can find something close in your existing system it...
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    ddctech - I just sent you an email with some...

    ddctech - I just sent you an email with some files.

    Sorry for the delay, explained it in the email.

    Ken
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    I'm going to second Orion's motion. Great team...

    I'm going to second Orion's motion.

    Great team to work with, in my experience.
  43. Thread: TAC m stat

    by chesehd
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    If I recall correctly an M-Stat is just an I-Stat...

    If I recall correctly an M-Stat is just an I-Stat without a thermistor.

    If you wire them up in parallel without cutting the 10k the temp reading will be wonky, otherwise they work the same.
  44. That was great. Nice job with the music, too. ...

    That was great.

    Nice job with the music, too.

    I like spending time with my minions but cannot seem to get any of them interested in my field, even if they would be good at it.

    Keep up the...
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    I MIGHT have something squirreled away but can't...

    I MIGHT have something squirreled away but can't check until the morning.

    You're looking for CBL-082, right?
  46. Have you considered contacting the Veteran...

    Have you considered contacting the Veteran Affairs office and looking for recently separating service members? I know the Navy and Air Force have HVAC schools and I'd be willing to make a safe bet...
  47. Where is the existing D/P located? You will need...

    Where is the existing D/P located? You will need a D/P at each device (chiller or boiler) and to get the flow rate through there. You will need a D/P 2/3 to 3/4 down the system for the pumps.

    The...
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    Yes, you should. My email is in my profile....

    Yes, you should.

    My email is in my profile. Send me one, if you don't mind. I'd like to ask you a few questions, offline.

    Ken
  49. Replies
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    The program and graphics editor gets installed...

    The program and graphics editor gets installed with the rest of the package but only on the box operating as the server.

    If you have access to the main WebCTRL workstation/server you should have...
  50. Before the days of Obamacare I used WPS insurance...

    Before the days of Obamacare I used WPS insurance to cover some gaps when I was between insurance policies with new employers.

    http://wpshealthsolutions.com/

    They were reasonably priced in...
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