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  1. Replies
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    I did mention that these fan are on VFDs. ...

    I did mention that these fan are on VFDs. Changing the names of the output won't do anything. I'm looking to change the logic of the sequencer, but no matter what I do it doesn't seem to change. ...
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    JCI PCT Cooling Tower Sequencing

    I have a job that has 3 cooling towers. Stage 1 is the spray pump and stage 2 is the fan output on a VFD. I want to change the sequence so that the fans wont start until all the spray pumps are on....
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    Are these pumps on frequency drives? Is there a...

    Are these pumps on frequency drives? Is there a differential pressure sensor or are these constant speed? The canned Q and A Johnson programs have a "stage up" setpoint to stage on a 2nd pump if 1...
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    JCIman, I started a thread on this a few weeks...

    JCIman,

    I started a thread on this a few weeks ago here: https://hvac-talk.com/vbb/showthread.php?2204189-Trane-VariTrac-Retrofit
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    Cagey, No I haven't looked. I do have some...

    Cagey,

    No I haven't looked. I do have some experience with the Verasys line but I don't even know whats happening with this job. I haven't heard anything and I'm not sure if it's going to happen...
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    655

    There are only 6 RTUs. For some reason all the...

    There are only 6 RTUs. For some reason all the device IDs are set to 1. I was able to go on the roof and change the device IDs through the screen. I took out an NCE and put in an FX80 I don't...
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    Integrating to York RTUs

    I have an FX80 Im trying to talk to a few York RTUs. The problem Im running into is that all of the RTUs have the same device ID. They discover as SE-SPU1002-0. Does anyone know how to change...
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    1,777

    I don't see secondary heat or re-heats in the...

    I don't see secondary heat or re-heats in the zones and I don't think there is Q and A for VVT in JCI software. I think VVT is a garbage system that's why I'm reaching out on here to see if anyone...
  9. Replies
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    1,777

    I don't think I've ever set up a vav without the...

    I don't think I've ever set up a vav without the airflow pickups. I'm not sure how to make a PCV controller work without them. I think the system works now with voting on whether the space needs...
  10. Replies
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    1,777

    Correct. It seems like a VVT type sequence with...

    Correct. It seems like a VVT type sequence with Trane VAV controllers and dampers
  11. Replies
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    1,777

    Trane VariTrac Retrofit

    I'm looking at a job with a Trane control system. The system has 3 RTUs, each with a bypass damper and VariTrac VAVs. I want to rip all that stuff out and put in an FX80 with PCGs and PCVs. The...
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    Penn College of Technology is my Alma Mater. I...

    Penn College of Technology is my Alma Mater. I almost went to Ferris but ended up doing the building automation program at PCT. It's was just an ok program and I recommend going there but nothing...
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    Yes with the backup service

    Yes with the backup service
  14. Replies
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    2,644

    4.6? I'm just getting used to 4.4

    4.6? I'm just getting used to 4.4
  15. I would try manually adding the F facet in the...

    I would try manually adding the F facet in the points property sheet
  16. Are they mapped in as writable points? When I do...

    Are they mapped in as writable points? When I do an N2 integration from a PCG I usually map in the points 1 by 1. Sometimes they come in as just regular numeric points. You may have to change the...
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    http://lmgtfy.com/?q=asi+controls

    http://lmgtfy.com/?q=asi+controls
  18. Replies
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    It was the EOL resistor in the last ABB drive on...

    It was the EOL resistor in the last ABB drive on the network that was screwing things up. As soon as I shut the EOL off at the drive the PCG started to communicate. I don't know what the PCG didn't...
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    I also forgot to mention that the PCG controllers...

    I also forgot to mention that the PCG controllers are also 3-wire with a shield, there is no mixing 2 and 3 wire devices together. I have + - Ref Shield terminals on all controllers. I think I'm...
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    The integration to the VFDs has been working fine...

    The integration to the VFDs has been working fine all this week. I'm working with a small MS/TP network address 4-12. The max master setting in the Jace is set to 12. "Towers" PCG address 6, will...
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    I've replaced the PCG controller with a brand new...

    I've replaced the PCG controller with a brand new PCG right out of the box and still the same issue. I thought the max master setting in the bacnet trunk was screwing things up but increasing that...
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    I'm thinking this has to be a hardware issue. ...

    I'm thinking this has to be a hardware issue. One controller is communicating and the other is not. Both were downloaded with PCT 10.2. I'm going to replace the controller and see what happens
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    Weird PCG Communication issue

    I'm trying to get a PCG to communicate on an MS/TP network with an FX70. The only way I can get this to connect to the network is if my BTVCT is connected through the front FC Bus port. As soon as...
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    Thanks Orion. There is a low level contact, a...

    Thanks Orion. There is a low level contact, a high level contact, and a level contact. I'd like to read continuity with these contacts on my meter while the basin is filling up to see how these...
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    That is correct but I am not responsible for that...

    That is correct but I am not responsible for that sequence. I'm trying to figure out how I can utilize these factory contacts (or another way) to read sump level and switch the mode from...
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    I forgot to mention that the factory contacts are...

    I forgot to mention that the factory contacts are for the sump heater which I am not responsible for controlling. When the water level drops the set of contacts close which is supposed to energize...
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    Cooling Tower Control

    I'm working at a building that has a water source heat pump loop. The 3 cooling towers on the roof are being replaced with 3 new ones. I was controlling the old towers with a PCG/PCX controllers. ...
  28. Replies
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    Is there a supervisory device attached to the...

    Is there a supervisory device attached to the chiller? Can you discover it? Every BACnet microtech device I've come across I was able to change the BACnet device ID myself in workbench. I don't...
  29. Thread: JCI Verasys

    by Igotworms
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    1,066

    From what I've been reading it looks just like...

    From what I've been reading it looks just like that JCI commercial comfort system. I'm not sure if that system is still around but it was a PITA and a junk system. I never got it working and it...
  30. Thread: JCI Verasys

    by Igotworms
    Replies
    3
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    1,066

    JCI Verasys

    Has anyone started one of these systems up yet? I'm reading about it now on Johnsons cgproducts site, but it looks similar to that JCI CCS (commercial comfort system) which is/was junk. I'm just...
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    I think BetterDuck is referring to the "garbage...

    I think BetterDuck is referring to the "garbage collection" function in the Jace
  32. Replies
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    You shouldn't have to add the XTM's into the FX80...

    You shouldn't have to add the XTM's into the FX80 database station. The XTM modules and points communicate to the DX9100's. In other words, the points that are physically wired to the XTM modules...
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    Thanks for the reply. I think I'm going to...

    Thanks for the reply. I think I'm going to propose it a couple different ways now that you got me thinking. Now I want to take the NCE out and put in an FX80 along with a PCG. The customer is...
  34. Replies
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    JCI NCE with FX80

    The building I'm looking at has a small MS/TP trunk with 4 FEC controllers controlling air handlers and an NCE that is controlling some boilers and pumps. This system does not have any graphics or...
  35. That sounds like a sequence a Liebert unit will...

    That sounds like a sequence a Liebert unit will do. I know Liebert's are expensive and usually for computer rooms that have a large cooling load and have to maintain a humidity setpoint. What is...
  36. Replies
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    Yes to archive the database you will need SCT. I...

    Yes to archive the database you will need SCT. I found the website for the company that converted the NCM for me. I remember they had plans to expand from the NCMs to NAEs but I'm not sure if they...
  37. Replies
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    I think the default view has the N2 trunk with...

    I think the default view has the N2 trunk with all of the controllers if you're logged in as metasyssysagent. There was a company that is/was located in Chicago that converted an old NCM database to...
  38. Replies
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    I deleted the lon device from the database and...

    I deleted the lon device from the database and re-added it but that didn't work. All of the other heat pumps came back on-line the day there was a power glitch except for the one I'm having issues...
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    The neuron ID is not complete because I edited...

    The neuron ID is not complete because I edited out the last numbers. Same with the program ID. Its a force of habit if I'm going to post numbers on the internet. I have not been onsite since I...
  40. Replies
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    what else can be done to troubleshoot this if it...

    what else can be done to troubleshoot this if it won't communicate?
  41. Replies
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    2,169

    I put the node into "config online" "config...

    I put the node into "config online" "config offline" "unconfigured" etc but the commissioning job would always fail. The next time I'm on site I will delete it and add it again
  42. Replies
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    I think it was communicating before. About two...

    I think it was communicating before. About two weeks ago the entire Lon trunk went down which consists of about 40 heat pumps. I think it was a power issue because they all came back online a...
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    Lon Commission Device

    I'm having issues getting a heat pump to communicate on a lon network. The lon device manager shows the heat pump in yellow. When I physically go to the unit and press the service pin I get the...
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    Can an FX20 be updated to AX 3.8.111?

    Can an FX20 be updated to AX 3.8.111?
  45. Replies
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    I had to update a site today from 3.8.41 to...

    I had to update a site today from 3.8.41 to 3.8.111 because firefox is longer supporting java in the browser at version 52. Is 3.8.111 going to work for all future java updates?
  46. Replies
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    I believe these are re-branded Distech...

    I believe these are re-branded Distech controllers. I'm not sure about the software tool but check out the Distech site there might be some info on there about it.
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    This is the controller I ran into ...

    This is the controller I ran into

    http://www.novar.com/technology/opus-bas-technology/item/xcm-20r

    I'm not sure who the Novar installers are in my area. The systems seem pretty straight...
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    Novar Opus Jace

    I ran into a Novar Opus Jace the other day at a big-box type salon store. The Jace is an Opus xcm.20R with a display. It's only controlling 4 Lennox RTU's that have a Lennox M3 BACnet Prodigy...
  49. Replies
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    Cagey, Yes all of the points work in PCT. ...

    Cagey,

    Yes all of the points work in PCT. Another member of the HVAC Navigator website sent me a document that explains restrictions when converting BACnet to N2. The following is from that...
  50. Replies
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    Yes it is defined as a VND device

    Yes it is defined as a VND device
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