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Type: Posts; User: Talz

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  1. Replies
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    This is the 3rd building I've seen in the last...

    This is the 3rd building I've seen in the last few months with a BCU and zero Trane software anywhere. Usually just has a few Chillers on it. The people left at the building were the ones moving...
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    Technically BACnet/ARCnet is part of the open...

    Technically BACnet/ARCnet is part of the open protocol - but no one else actually uses it...
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    498

    I think we've found your problem =P

    I think we've found your problem =P
  4. Replies
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    498

    The server can be setup to upload automatically...

    The server can be setup to upload automatically on mismatch also - and timesync can be disabled in system settings/scheduled tasks tab.
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    498

    The BACnet setpoint block was released in WC 5.5...

    The BACnet setpoint block was released in WC 5.5 - so you're either not writing to what it seems like you are, or they've done some custom stuff with AVs for setpoint (rare I'd think.)

    The server...
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    BACnet setpoint control is fairly recent in ALC's...

    BACnet setpoint control is fairly recent in ALC's system, you won't have had it in 4.1 days. Airflow uses properties within the same BACnet point for any relevant function. I can send you a list if...
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    Each (dealer's) implementation seems to be quite...

    Each (dealer's) implementation seems to be quite different from the last, but nearly everything is modifiable from the front end in ALC. Typically the controllers will have completely non-descript...
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    379

    It would spit a surprising amount of info out...

    It would spit a surprising amount of info out through IP telnet, but nothing seemed to be modifiable. Just FYI :)
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    No Trane Summit anywhere. Building rep says "If...

    No Trane Summit anywhere. Building rep says "If Trane installed that panel, wouldn't they have left the relevant software?" I tried really hard not to laugh at that.

    Thanks for the reply though!...
  10. Replies
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    Trane BCU IP address change

    Well, my readings have lead me to believe this may not be possible without Trane's software. The telnet interface through the IP connection leads me to nothing that looks like I can modify the...
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    Fighting this one currently too. Info is scarce...

    Fighting this one currently too. Info is scarce it seems.
  12. Replies
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    I'm about to adventure down the same path. Found...

    I'm about to adventure down the same path. Found some decent ideas, still working on implementation. Did you have any luck? Takeover is next week for mine.
  13. Replies
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    Well seeing this pop in my inbox was a surprise!...

    Well seeing this pop in my inbox was a surprise!

    From the date more than memory, I stuck around for another year after that post.

    I'm working in controls/building automation now and have come a...
  14. Replies
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    2,319

    Sequence for dual duct w/ mixing dampers

    Any recommendations on controlling this crappy old-school setup? They have dual-duct hot/cold deck AHUs, or "air supply units" rather. There are mixing dampers (not individual for hot or cold) were...
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    Looks like its successor. This one was...

    Looks like its successor. This one was originally R12... other than that... it appears the same.
  16. Replies
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    McCall Model # 1020P 22.4 Cu Ft - Closed cell...

    McCall Model # 1020P
    22.4 Cu Ft - Closed cell polyurethane insulation. 22.4 "R Factor"
    Original compressor for a pass-through would have been 1/3 HP running R12

    After digging around more last...
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    I'll get the model info tomorrow morning and...

    I'll get the model info tomorrow morning and whatever I can from the original paperwork if I can dig it up... I'll even grab a camera and take a few pics of the poor thing for the fun of it. It'll...
  18. Replies
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    I'm not so much a service tech, as I am a...

    I'm not so much a service tech, as I am a maintenance tech for a detention center.

    I dabble in everything from clogged toilets and kitchen equipment to commercial and residential HVAC equipment...
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    Sorry, I left out that it is a small indoor unit....

    Sorry, I left out that it is a small indoor unit. Nothing outside. Those temps I posted are on either side of the evaporator...
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    There is a receiver (I noted it with the location...

    There is a receiver (I noted it with the location of the service valve by my sub-cooling numbers) and a sight glass that seems built into the impossibly difficult king valve attached to the...
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    Frankenstein refrigerator - 134a

    I'll admit, I'm fairly inexperienced. Especially when it comes to a 134a commercial fridge. But nonetheless, today I got to tear into one.

    This is a McCall commercial reach-through refrigerator...
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    Does anyone ever actually receive the alleged...

    Does anyone ever actually receive the alleged "reward" money? Word around here is it never really happens. At least not any more. I tend to agree with the last few posters...
  23. Replies
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    Wouldn't the silicone in the mother board get...

    Wouldn't the silicone in the mother board get very brittle at those temps it would likely shatter if you ever happened to bump it? Or perhaps just from the hard drive spinning up or the fans? ...
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    It's usually insulated for 2 reasons: 1) To...

    It's usually insulated for 2 reasons:
    1) To prevent heat loss/gain of the air inside (and make the system lose efficiency)
    2) To prevent condensation

    Any supply duct should be insulated. ...
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    Tell people all service calls are like this and...

    Tell people all service calls are like this and there will never be a shortage of help to hire. =P

    Sounds like you had a nice afternoon, grats!
  26. Thread: controls

    by Talz
    Replies
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    709

    We have automatic logic in my building and I...

    We have automatic logic in my building and I absolutely love it. Although, I haven't used anything else in depth.
  27. Replies
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    No problem. Sorry it's not just as easy as a...

    No problem. Sorry it's not just as easy as a reset button. =(

    Best to turn it off until they arrive. You can set the fan to "on" instead of "auto" to keep the air moving without harm. This way...
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    This could be a recipe for disaster. It likely...

    This could be a recipe for disaster. It likely didn't trip the breaker, or the condenser (outside) fan would not be running. There is a reason it shut off, and you could likely damage your...
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    I agree that it is very neat stuff, but an active...

    I agree that it is very neat stuff, but an active refrigerant system for the purpose of overclocking a CPU? I just can't justify overclocking something so much that it requires a DX cooling system. ...
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    Yes. You can get about any size you wish in any...

    Yes. You can get about any size you wish in any SEER rating you're willing to pay for.

    As for the rule of thumb, there are way, way, way to many factors that come into play to use a rule of thumb...
  31. Replies
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    The stuff you linked is neat, but seems...

    The stuff you linked is neat, but seems relatively pointless to me. I've never been a huge fan of overclocking anyway. Newer, cheaper systems are coming out all the time and it just doesn't make...
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    SEER rating has nothing to do with sizing. It is...

    SEER rating has nothing to do with sizing. It is a measure of the effeciency of the unit. Generally, you also find more/better features on the higher-SEER models too. Hence the A/S 18 SEER being...
  33. Replies
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    I've seen lots of water-cooled systems, but never...

    I've seen lots of water-cooled systems, but never something running actual refridgeration into the PC. Can you post some links of these so I can check them out? =D
  34. Replies
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    Dun dun dun. I shudder when I think of what...

    Dun dun dun.

    I shudder when I think of what other problems and spotty construction practices are scattered around your house. Seems to me "remodeled" more often than not usually means "we covered...
  35. Thread: What a shame

    by Talz
    Replies
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    1,680

    http://en.wikipedia.org/wiki/Meth ...

    http://en.wikipedia.org/wiki/Meth

    http://en.wikipedia.org/wiki/Crack_cocaine
  36. Thread: Hysteresis

    by Talz
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    Wow... 518 pages. Thanks for the link, guess I...

    Wow... 518 pages. Thanks for the link, guess I have something to do on rainy days now! =D
  37. Replies
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    Put in a new compressor but not a filter/dryer? ...

    Put in a new compressor but not a filter/dryer? Get 'er dun!
  38. Replies
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    Dress just a tad nicer than you would be wearing...

    Dress just a tad nicer than you would be wearing at the job.

    Google yourself some practice questions!!! Get a hair cut. Shave. Show up a bit early, make sure you know where it is and how to get...
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    You'd likely get more comfort out of 2 units, or...

    You'd likely get more comfort out of 2 units, or a zoned setup. However your current duct work may not support this without lots of modification.
  40. Thread: Hysteresis

    by Talz
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    3,287

    You may be able to easily justify overthrowing...

    You may be able to easily justify overthrowing this practice if you have any sort of smoke purge system, which you probably do.

    There's not a doubt in my mind that would be HIGHLY against fire...
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    Spoil sport... =P

    Spoil sport...

    =P
  42. Replies
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    You're taking what was an unconditioned wall, and...

    You're taking what was an unconditioned wall, and conditioning the other side of it. In turn, the original room need less heating/cooling than it did before.
  43. Thread: What a shame

    by Talz
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    1,680

    This is the problem with many kinds of...

    This is the problem with many kinds of "handouts." It seems most people cannot appreciate something they didn't have to work for. I know, it's a stereotype, but it is based on fact...
  44. That sounds like a scape-goat from contractors...

    That sounds like a scape-goat from contractors not wanting to do the work to perform the proper sizing methods.

    If your house has not had central AC before you NEED a manual J done. There may...
  45. Replies
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    1,486

    It could be several different things, and it...

    It could be several different things, and it sounds like the guy you hired isn't going to be able to properly diagnose it. Gather all the info you can, shop around and find a better contractor to...
  46. Replies
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    No problem, glad I could help. CD Jones has...

    No problem, glad I could help.

    CD Jones has been decent at getting parts for me from TAC, if you need anything.
  47. Replies
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    I'll check into this at work tomorrow, we have...

    I'll check into this at work tomorrow, we have some catalogs and stuff I've been able to cross reference around and find stuff on our stuff...

    As for now, if it helps, most everything I've found...
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    Classic. I love it!

    Classic. I love it!
  49. Thread: La Crosse

    by Talz
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    1,006

    http://www.lacrossecooler.com/find_rep.asp ...

    http://www.lacrossecooler.com/find_rep.asp

    Sounds like a neat find, hope you can get it going! =)
  50. Thread: better

    by Talz
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    581

    VS blowers are indeed nice, and someone willing...

    VS blowers are indeed nice, and someone willing to do a load calc is a start. Sounds like you're on the right track.

    If you're still doubtful, here is some good stuff for you to reference...
    ...
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