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Type: Posts; User: simux

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  1. Replies
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    Watched several of these units freeze the heating...

    Watched several of these units freeze the heating coil. Then everyone would say that can't happen because it doesn't get cold. The main thing is to have is an interlock which doesn't allow the face...
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    Dressing neatly is a sign that you care. Also...

    Dressing neatly is a sign that you care. Also remember to take care of your shoes. I would also take the time to ask about on call requirements, travel, training, and vacation time.
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    11,591

    One of the biggest problem with pneumatic...

    One of the biggest problem with pneumatic thermostats is when people in a room start tweaking the bi-metal strips. They learn they can get more heat if the thermostat hisses. I remember having to...
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    http://www.google.com/url?sa=t&rct=j&q=&esrc=s&frm...

    http://www.google.com/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=1&cad=rja&ved=0CCYQFjAA&url=http%3A%2F%2Fcustomer.honeywell.com%2Ftechlit%2Fpdf%2F77-0000s%2F77-E1100.pdf&ei=hSnwUrSXGoPYoASczoLQCg&u...
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    Try this pdf

    http://www.mass.gov/eohhs/docs/dph/environmental/iaq/ventilation-schools-2.pdf
  6. Replies
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    11,591

    Make sure you have supply air dry and oil free. ...

    Make sure you have supply air dry and oil free. A properly sized air dryer and a coalescing oil removal filter as well as an activated carbon oil
    vapor removal filter.
  7. Replies
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    11,591

    Back in the day we could also use a chart...

    Back in the day we could also use a chart recorder monitoring temperature and see how the thermostat reacts through the day. Then we could recalibrate as necessary to achieve our setpoint. Then once...
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    We would put common are thermostats in boxes...

    We would put common are thermostats in boxes placed into the wall with slots on them. Then the only way you could adjust the setpoint would to remove the cover. Honeywell TP970 Series14002424...
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    11,591

    This may help, I recently did a cabinet unit...

    This may help, I recently did a cabinet unit heater with a 5 to 10 PSi normally open hotwater valve and a pneumatic to electric switch that brings on the fan. I left the sensitivity at 2.5 PSi change...
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    Not sure if there is just one book....

    Not sure if there is just one book. http://cgproducts.johnsoncontrols.com/default.aspx?main.aspx=&2=
  11. Replies
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    6,365

    If it's the old N-2 devices I would read the...

    If it's the old N-2 devices I would read the Metasys Network Technical Manual 636 Network Communications Section
    Technical Bulletin
    Issue Date 1199
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    I always like to have a new AHU controller on...

    I always like to have a new AHU controller on hand in case it won't take a down load!
  13. Replies
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    1,632

    Actually the most important thing to do is hide...

    Actually the most important thing to do is hide them so no one else can find them quickly. So when you get a call you can look like a genius because you know where the power supplies are located. Job...
  14. Tuning Loops

    First off, not all loop tuning will correct design deficiencies. Secondly, the old school method is to increase the loop sensitivity until the system hunts and then double it. For example a air...
  15. Thread: Controls Novice

    by simux
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    530

    Sure!!!

    Sure!!!
  16. I think I know what your looking for in a...

    I think I know what your looking for in a Facility Manager. I use to work for Johnson Controls and now I'm a Director for a facility. Althought we have an old Honeywell system thats on its last leg....
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    Check invoices to control companies. Normally a...

    Check invoices to control companies. Normally a person who understands controls cuts down on the number of calls etc...
  18. Replies
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    556

    My biggest concern is to own all the programming...

    My biggest concern is to own all the programming software and tools so you can do the work yourself or bring in multiple contractors.
  19. Replies
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    PLC is normally for more critical processes, such...

    PLC is normally for more critical processes, such as manufacturing. DDc is usually for HVAC control. So with that you have to weigh the cost and PLC is normally more expensive.
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    I remember going out and throwing water on them...

    I remember going out and throwing water on them to get the rest of the snow and ice off the sidewalks.
  21. Replies
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    615

    The point is that you could accomplish almost any...

    The point is that you could accomplish almost any control strategy with enough controllers, adapters, and ingenuity. I can remember multiple large wall cabinets with hundreds of devices with...
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    615

    Actually, for more complex pneumatic systems they...

    Actually, for more complex pneumatic systems they would do master submaster control with receiver controllers and control point adjustment.
  23. Cone off It's parking spaces!!!

    Cone off It's parking spaces!!!
  24. Replies
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    I'm sorry no one answered your post. I had this...

    I'm sorry no one answered your post. I had this theory that Honeywell guys were forbidden from HVAC Talk. Then again you never know!!!!
  25. Replies
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    Tsccgy19 View Profile View Forum Posts Add as...

    Tsccgy19
    View Profile View Forum Posts Add as Contact View Forum Threads

    Regular Guest Join Date:Jan 2012
    Location:Calgary
    Posts:12I have 14 years experience with Trane... very easy to use....
  26. Replies
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    768

    Basically, CS Objects have to be mapped in...

    Basically, CS Objects have to be mapped in differently and some N2 controllers are not compatiable with an NAE.
  27. Replies
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    29,225

    Actually we have quite a few control guys that...

    Actually we have quite a few control guys that went to work for customers. This of course allows the building owners greater flexibility with projects and repairs.
  28. Replies
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    After reading the LON versus BacNet versus Modbus...

    After reading the LON versus BacNet versus Modbus thread, I would like to say the most important thing is to get all the software, tools, interfaces, programs, databases, dongles, etc... That way...
  29. Success always starts at the top of an...

    Success always starts at the top of an organization. I always say you don't quit jobs, you quit bosses. The leader of an organization has to take care of their people, so they can take care of the...
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    I'm pretty sure Kele makes something like that!!!!

    I'm pretty sure Kele makes something like that!!!!
  31. Replies
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    https://customer.honeywell.com/resources/techlit/T...

    https://customer.honeywell.com/resources/techlit/TechLitDocuments/77-0000s/77-E1100.pdf
  32. Thread: Dirty Filter DDC

    by simux
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    759

    I think an important task will be how to prevent...

    I think an important task will be how to prevent the maintenance guys from disconnecting or recalibrating the tattle tell alarms. I've seen them disconnected, so I wired them normally closed. Then I...
  33. Replies
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    I'd like to chime in on the control system...

    I'd like to chime in on the control system debate. I really feel that most not all control systems installed and programmed properly will last quite awhile. I've seen so many systems fail because the...
  34. Replies
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    I think the most important item is all the...

    I think the most important item is all the configuration and back up software programming tools. If you own them then you can utilize different control companies to maintain the system. Also don't...
  35. Replies
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    http://cgproducts.johnsoncontrols.com/MET_PDF/6345...

    http://cgproducts.johnsoncontrols.com/MET_PDF/6345010.pdf#xml=http://cgproducts.johnsoncontrols.com/search_lit.aspx?cmd=pdfhits&DocId=6474&Index=C%3a%5cinetpub%5cwwwroot%5c72%2e3%2e145%2e66%5cquicklit...
  36. http://cgproducts.johnsoncontrols.com/CAT_PDF/1900...

    http://cgproducts.johnsoncontrols.com/CAT_PDF/1900060.pdf#xml=http://cgproducts.johnsoncontrols.com/search_lit.aspx?cmd=pdfhits&DocId=160&Index=C%3a%5cinetpub%5cwwwroot%5c72%2e3%2e145%2e66%5cquicklit%...
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    http://hvac-talk.com/vbb/showthread.php?75199-Tran...

    http://hvac-talk.com/vbb/showthread.php?75199-Trane-PCM-UPCM-Edit-Software
  38. If you have the old Metasys (PMI) then you have...

    If you have the old Metasys (PMI) then you have to make sure you release a operator override command so the schedule will work. I think it was "release all"
  39. Replies
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    I remember when they would use the auxillary...

    I remember when they would use the auxillary contacts on a motor control center to command the lag pump on. This was way before DDC and was a way to interlock the pumps. It usually had a bunch of...
  40. I know that a lot of old systems will not work...

    I know that a lot of old systems will not work with 64 bit computers. Windows Xp with a 32 bit computer seems to be the last system that some of the old controllers can be configured with!!!
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    I always like when people just start pulling out...

    I always like when people just start pulling out parts saying " we don't need that". Then you get a call that theirs snow in the air handler because the shutdown relay was removed!!!!
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    Start here ...

    Start here

    https://customer.honeywell.com/resources/techlit/TechLitDocuments/77-0000s/77-E1100.pdf

    Also put your email in your profile, That way you can receive some documents
  43. Replies
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    JCI has lots of documents, here's a link...

    JCI has lots of documents, here's a link http://cgproducts.johnsoncontrols.com/
  44. Replies
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    474

    I'm not quite sure but I remember some term like...

    I'm not quite sure but I remember some term like this referring to a single pump or two pump system. It use to be a set up where the two pumps were set up as a primary and standby. If the primary...
  45. The Robertshaw controllers were really sensitive...

    The Robertshaw controllers were really sensitive to moisture. I also remember having to take them off the bases. The mounting bases were problematic to say the least. Do you have any inline filter...
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    Hey Kontrolphreak, everyone loved the drawing.

    Hey Kontrolphreak, everyone loved the drawing.
  47. Thread: Programming

    by simux
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    1,448

    Most of the program falls into two categories for...

    Most of the program falls into two categories for the most part. The two types most often seen are text programming and graphical programming. An example of text type program would be statements like...
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    I really hate vav boxes without reheat valves. I...

    I really hate vav boxes without reheat valves. I also hate the vav boxes that recurculate the return air through a filter using a fan. ARGGH
  49. Replies
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    A lot of volume controllers reversed the signal....

    A lot of volume controllers reversed the signal. For example a R/A thermostat with a reverse volume controller and a normally closed vav box. On a call for cooling the pressure goes down at the...
  50. Control guys have a natural magnetism that causes...

    Control guys have a natural magnetism that causes equipment to fail on the opposite end of the building they're working on!!!!
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