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  1. Replies
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    Byer folding wood rocking chair....

    Byer folding wood rocking chair. 24"x36"x2"....... Oh yea and my lap. And a bunch of cables and adapters!

    It would be nice if I could use the Palm for more than the VMA's

    Somebody needs to...
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    I have been trying to find a small water-to-water...

    I have been trying to find a small water-to-water chiller. So far I am going to bid it with a Drake, or a Trane WPWD heat pump. According to the reps the Drake is a bit more than the Trane. Any...
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    2-10 or 4-20, only use floating if you have to,...

    2-10 or 4-20, only use floating if you have to, and don't use on/off, IMHO
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    I also have dealt with this situation. You do...

    I also have dealt with this situation. You do need a version of summit that is = to or newer than the version on site if you are dialing in to the BCU.

    I proposed using VNC to connect to the...
  5. Replies
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    I know BACnet has a ways to go still but I think...

    I know BACnet has a ways to go still but I think that tools such as VTS, BACnet4linux, and SCADA Engine's RDK help to advance it.

    I also agree that there needs to be a common setup tool with...
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    1,562

    Too bad there isn't a protocol analyzer for N2. ...

    Too bad there isn't a protocol analyzer for N2. Sure would make it alot easier to see what is going on with the network.

    If it has worked well before then I would also agree with it being a bad...
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    6,218

    The program differences are Iterm (Dos terminal...

    The program differences are Iterm (Dos terminal type), IgraphW (Windows terminal type), Commander (Windows GUI). The newest Commander I have used is 3.10 so I am not much help on the newer stuff. ...
  8. Replies
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    If you are using DCU050's make sure you change...

    If you are using DCU050's make sure you change the batteries every so often (While powered on of course). Make sure you back up the databases. What software do you have to access Iterm, IgraphW,...
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    I understand that Lon is a more robust protocol...

    I understand that Lon is a more robust protocol and devices don't need to be tested for functionality.

    I think you missed my point that this is an open source test tool and kind of a protocol...
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    sourceforge.net/projects/vts/ Check it out!!, ...

    sourceforge.net/projects/vts/

    Check it out!!, Hey Sysint, where's the Lon version?
  11. Replies
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    Just my take on it but I think PNEU is dying. ...

    Just my take on it but I think PNEU is dying. Why would anyone want to stay with it? How much does it cost to keep the compressor and drier running not to mention the service calls to figure out...
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    I have also used a JCI A350P for a long time (Way...

    I have also used a JCI A350P for a long time (Way to think out of the box, bobbym).

    The only drawback is having to drag around a cord but it didn't cost me anything as it was also a takeout from a...
  13. Replies
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    3,632

    I kinda got a little carried away with this but...

    I kinda got a little carried away with this but oh well.

    I chucked the old 2400 baud external modem that was for remote access and ran a RS-232 cable over to a newer machine running XP. That...
  14. Replies
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    Thanks joey that's what I was looking for. I did...

    Thanks joey that's what I was looking for. I did search I just missed it somehow.

    I know this is an old product and not really supported anymore, I was just wondering if JCI had any PC based...
  15. Replies
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    3,632

    Does anybody know if the companion tech manual is...

    Does anybody know if the companion tech manual is available in pdf? I used to have a hard copy but I cannot find it.

    I have a site that has an old dos PC based companion (R2.0). They have been...
  16. There are different areas in controls just like...

    There are different areas in controls just like any other trade. Your HVAC experience is not going to help if you are getting a job with a company that does mainly lighting and access control,...
  17. Replies
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    954

    I thought I was missing som ting. Hold time...

    I thought I was missing som ting.

    Hold time for Occ state =900 sec. ( Or 15min )

    for leviton brand

    nci01HoldTime = Range 5...6553.4 sec

    Format: SNVT_time_sec
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    I have two Trane arcnet cards NIB. Not sure if...

    I have two Trane arcnet cards NIB. Not sure if they are the ones you are needing but they are real cheap!!
  19. Replies
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    A couple weeks ago it was the coldest it's been...

    A couple weeks ago it was the coldest it's been this year (-8 F).

    Customer called to see if I could manually turn off the compressors. It was blowing 40 F air into the offices. (The office with...
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    1,522

    I have always used a dwyer incline gauge with a...

    I have always used a dwyer incline gauge with a differential pressure switch as a dirty filter indicator.

    If you are at the site often enough there is no reason for a true differential pressure...
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    Thank you for taking the time to scan the manual....

    Thank you for taking the time to scan the manual. It was a big help.
  22. Replies
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    842

    I know it's kinda off topic, but... I just...

    I know it's kinda off topic, but...

    I just rebuilt a Minimax 400k btuh copperfin for a pool. (New HX, baffles, flow valve & switch, limits, P&T, wiring harness) The pool was down to 65 on...
  23. Thread: xl 15

    by floating point
    Replies
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    3,360

    Webtool or xBuilder.

    Webtool or xBuilder.
  24. Replies
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    If you would be willing to scan it that would be...

    If you would be willing to scan it that would be great!!

    Is there a way of bypassing it until I can program the schedules? The AHU's I need to start-up had no power to them and I'm hoping they...
  25. Thread: xl 15

    by floating point
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    The xl 15b seems like a good product and it is...

    The xl 15b seems like a good product and it is easier to use (if you are using strictly HW LCBS) but it is still too limited for my use and way overpriced IMHO. (4 times the cost of the ilon100)
    ...
  26. Replies
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    Is anyone familiar with these? It looks to be...

    Is anyone familiar with these? It looks to be 80's vintage. I am wondering what the capabilities are.

    Would Invensys have manuals? I did a google search and didn't find much except that there...
  27. Are you sure your not overlooking a contactor? I...

    Are you sure your not overlooking a contactor? I have never seen a roofpack with only one contactor.

    Usually the condenser fan motor is on the same contactor as the compressor. (On small units...
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    Be super careful to make sure your uploading !!...

    Be super careful to make sure your uploading !!

    I Learned it the hard way, there are NO confirmation / splash screens to verify that your really downloading. (I hit the glidepad wrong and...
  29. Replies
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    Oh yeah, if it is a dirty enviroment don't use a...

    Oh yeah, if it is a dirty enviroment don't use a leak limiter as it will just plug up. VENT IT OUTSIDE !!!

    We use aluminum tubing if it's just a small reg / short run or black pipe if it's bigger...
  30. Replies
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    Around here anything over 5# has to be welded. ...

    Around here anything over 5# has to be welded. The local utility gives out charts for what ever pressure you are using. (I have never worked on anything above 15 psig)

    You must be a better...
  31. Replies
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    I will be using circon NI for this project. ...

    I will be using circon NI for this project.

    This seems like a major drawback of the W7751H? (I guess I should be happy that they at least offer a free plug-in.)

    I am probably missing something...
  32. Thread: xl 15

    by floating point
    Replies
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    3,360

    A controller configuration can be uploaded into...

    A controller configuration can be uploaded into LonSpec database.

    CAUTION :

    The following informations are not uploaded:

    · Network bindings.

    · Also some details like user assigned...
  33. Replies
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    954

    If I use a LON occ sensor how do you set the...

    If I use a LON occ sensor how do you set the minimum on times?

    I have 11 zones so any suggestions on a controller if I don't use LON occ sensors? One thought I had was if an occ sensor dies it...
  34. Replies
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    If it is the high limit do a temp rise check. I...

    If it is the high limit do a temp rise check. I see ALOT of undersize return ducting and dirty filters/coils.

    Also check the CO on the flue. If its high has it been derated for altitude (if it...
  35. Replies
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    954

    I would like to add some occupancy sensors, but...

    I would like to add some occupancy sensors, but there is no free BI's.

    The plug-in has options for this but when set to smart actuator for device type the BI's are greyed out.

    If I'm going with...
  36. Replies
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    Does anyone have the file "LTA for TAC Vista"? I...

    Does anyone have the file "LTA for TAC Vista"? I picked up an older used Xenta 511 for almost nothing and I'm trying to use it to learn but it appears that the RNI is set up differently than the...
  37. Replies
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    As far as I know there is no way of peer to peer...

    As far as I know there is no way of peer to peer point sharing for the DX9100.

    I am not sure what you mean by doing it with VT100 ProcommPlus.

    How did you check the wires to determine they are...
  38. Replies
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    I realize that I wouldn't need Lonspec if there...

    I realize that I wouldn't need Lonspec if there was a plug-in available for the 15c.

    I will just get a PCC card to make the programming changes that I will be doing. The mechanical cooling is...
  39. Replies
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    Does circon NI and Lonmaker support setting up...

    Does circon NI and Lonmaker support setting up the lon network up through the ethernet port? Is that what you mean by a RNI? Guess I still need a card for Lonspec though right I couldn't see any...
  40. Replies
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    I just looked at the job again today. There is a...

    I just looked at the job again today. There is a dozen xl 10's, a 15c, and a 15a. Kinda funny about the scheduling there is page after page of schedules in the 15a but this facility runs 24/7 so it...
  41. Replies
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    I looked at the .xif file for the DX-9121 and its...

    I looked at the .xif file for the DX-9121 and its pretty pathetic and there is no file for a DX-9200. Maybe it is time to change to a controller I can actually buy/use without playing politics just...
  42. Replies
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    I agree with R12. I have used the big...

    I agree with R12. I have used the big spectronics 115v. light since '94 and have been very happy with it.
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    I am just trying to learn so please bear with me...

    I am just trying to learn so please bear with me if I don't quite understand.

    I realize that manufacturers will never stop wanting to sell programming tools.

    I found the .xif files for the...
  44. Thread: VFD's

    by floating point
    Replies
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    2,131

    From what I understand flux vector is just a big...

    From what I understand flux vector is just a big word for closed loop. It has an encoder and is more accurate because it can correct itself. But I think it is more than I need and I will be...
  45. Replies
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    I am also interested in the DX-9121. I have...

    I am also interested in the DX-9121.

    I have had a 9100 running without any problems for 9 years. Does anyone know what version of the GX software is required for the 9121 ?

    Even if my version...
  46. Replies
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    Does the TAC also have a RNI or just the ilon? ...

    Does the TAC also have a RNI or just the ilon?

    I have a building that has a HW excel 15C and some excel 10 VAV's, they hate the lcd display and want to use a pc to access. It was programmed with...
  47. Replies
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    967

    maxster this is for hallways in a condo...

    maxster

    this is for hallways in a condo complex with no exhaust, thats why the engineers complaint was a gas smell on starts,and when i first walked past it i thought it had a wet heat.then the...
  48. Thread: VFD's

    by floating point
    Replies
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    2,131

    Found my answer and thought I would post it. ...

    Found my answer and thought I would post it.

    Flux vector PWM drives

    PWM drive technology is still considered new and is continuously being refined with new power switching devices and smart...
  49. Replies
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    Thanks for the replies, I like the fact that...

    Thanks for the replies,

    I like the fact that the Circon VAV's are programmed with basic. Delta also uses basic on some of there older stuff. Makes for easy changes if something needs to be...
  50. I service a system in my area for a manufacturing...

    I service a system in my area for a manufacturing facility. There are two transformer vaults cooled by a chilled water AHU. It is a recirc. unit (no exhaust).
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