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  1. Replies
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    Don't tell me that, it's a real pain to access if...

    Don't tell me that, it's a real pain to access if it has to be reset.

    Sent from my SM-G950W using Tapatalk
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    It's got a Magnum BACnet controller in it. I was...

    It's got a Magnum BACnet controller in it. I was trying to get a CHW reset from the BMS via BACnet.

    I think I figured it out, it seems like you set the low end of the CHW setpoint locally and then...
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    AAON LC Air Cooled Chillers

    I'm doing some controls work on a site with two little air cooled chillers, they're AAON LC 10 ton heat pump scroll compressor units with unloaders from about 2010.

    I've never dealt with any AAON...
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    If you're trying to check if say an analog input...

    If you're trying to check if say an analog input is shorted or open or on an offline i/o module or something you can do that this way:

    If AI1.Reliability <> 'No Fault Detected' Then
    //Do...
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    The customer wants to test the firmware on this...

    The customer wants to test the firmware on this one unit before we roll it out on the whole site.
    So I've gone ahead and upgraded it to v6.2.0.1054, which is the version I have with PCT 10.2. So...
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    As a quick update, I've checked in on that fan...

    As a quick update, I've checked in on that fan coil that I reset last week. It's back to cycling the valve from the looks of things. So I'll probably suggest to the customer that we upgrade the...
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    This building is definitely full of those. ...

    This building is definitely full of those.

    I'm not sure how that auto tune algorithm works, but part of the problem may be that a lot of the fan coils seem to be undersized for their cooling...
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    I am definitely not aware, I'll have to look in...

    I am definitely not aware, I'll have to look in to that. I'm pretty new to working with the JCI stuff. It's very different than what I'm used to.

    Sent from my SM-G950W using Tapatalk
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    Yeah I figured as much. I have PCT 10.2. I...

    Yeah I figured as much.

    I have PCT 10.2. I suspect there's no way of disabling the auto tune without uploading/downloading all the controllers anyway so I might as well just upgrade them.
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    The caf files show a file version of 5.3.0.2200,...

    The caf files show a file version of 5.3.0.2200, would that have the issue?
    It does almost look like it's an on/off control pulsing the 0-10V signals the way it does when they are near setpoint....
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    FX-PCG Self Tuning Gone Wild?

    I've got a building with 4 pipe fan coils with modulating fans and valves that I've started working on. We weren't the ones who set it up initially so I'm just trying to figure it all out.

    The fan...
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    Awesome thanks!

    Awesome thanks!
  13. Replies
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    Yeah that does work, but the idea is to make an...

    Yeah that does work, but the idea is to make an easy service tool that I can plug in and remove without messing with the wiring every time. I'm also mostly not using FX-PCT, it's to use with a...
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    JCI FC Bus Port Pinout on FX-PCG/PCV

    I'm trying to make a breakout cable to connect a portable MS/TP router to the FC bus port on the front of the FX-PCG controllers.

    Does anyone know the pinout of the jack? I didn't have any luck...
  15. Replies
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    I work with Delta Controls, so here's what I'd...

    I work with Delta Controls, so here's what I'd say:

    Pros:
    -Solid Hardware and BACnet integration
    -Awesome Tech Support and Online Resources
    -Very flexible product line, you program it to do...
  16. Thread: Delta Questions

    by zzip7
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    349

    The software keys are not version specific, they...

    The software keys are not version specific, they may have a version printed on them because of when you bought them but there's no actual difference. So you should be able to run 3.40 no problem with...
  17. Thread: PSH600-UPS-STAT

    by zzip7
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    That unit does look better. We're typically...

    That unit does look better.

    We're typically spec'ed to install UPS on lighting controls when we control the emergency lighting. It's usually because they don't want the switchover to generator to...
  18. Thread: PSH600-UPS-STAT

    by zzip7
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    406

    100% correct. Only the relay board is useful, and...

    100% correct. Only the relay board is useful, and we can probably build our own easier.

    I've used these on two projects and had several of the included UPSes burn out permanently after the 1st or...
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    Tuning large heat recovery system

    I'm working on a new construction building which uses exhaust, cooling, and dehumidification heat recovery as the first heating stage.

    The chillers reject their heat into the building heating...
  20. Find the DER objects in the controller that is...

    Find the DER objects in the controller that is doing the reading. There should be 1 DER for each reading transfer, find the ones associated with your mode variables. Open the DER and check if the...
  21. Thread: ECM Pumps

    by zzip7
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    I've worked with lots of these "smart" sensorless...

    I've worked with lots of these "smart" sensorless pumps from Armstrong and Grundfos. They are always a nightmare to get working properly. Unfortunately these seem to have become the standard for new...
  22. I definitely agree with this. COV is great when...

    I definitely agree with this. COV is great when it works for specific applications, but unless you've thoroughly tested a particular vendor's implementation. I generally don't consider it "reliable".
  23. Typical BACnet/IP to MS/TP routers like the...

    Typical BACnet/IP to MS/TP routers like the Contemporary Controls BASRT-B don't do any "polling" themselves if I understand your question correctly. Your other BACnet/IP devices would be doing the...
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    Whenever we see one of those on the wall, we know...

    Whenever we see one of those on the wall, we know the job was done on the cheap. Definitely the budget choice.
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    You are partially correct. The existing controls...

    You are partially correct. The existing controls have apparently not worked well since day 1. I agree that the hardware is likely fine, it usually is in my experience. Like you said poor programming...
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    Data Transfers on JCI FX-PCV/PCG

    I'm about to start a project that has us replacing all the existing air handler controllers in a building with a JCI FX system. The JCI FX-PCV VAVs and FX-PCG fancoils are going to remain.

    Are...
  27. Sounds like a VVT system if you've got zone...

    Sounds like a VVT system if you've got zone dampers with no flow control. I assume there's no zone reheat.

    Those VVT systems never work very well, but usually they are setup to have the zones take...
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    Interesting to hear the discussion of canned...

    Interesting to hear the discussion of canned programming. In the area I'm in, a lot of projects will qualify out anything "fixed algorithm" or "canned" program. They often also say that B-ASC devices...
  29. kontrolphreak is correct. In all Delta...

    kontrolphreak is correct. In all Delta Controllers v3.40 firmware and older only the physical IO points have priority arrays. So your BV will not have one.

    The new v4.x firmware does have priority...
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    That happens quite a bit, often just...

    That happens quite a bit, often just reinitializing the descriptors fixes it, but also check in your laptop's device on the tree and make sure there are no objects in there that refer to those...
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    Nice... Although, I'm a big believer in longer...

    Nice... Although, I'm a big believer in longer code if it means it's easier for the service guy or the customer to read and understand it. The controllers have some much memory now that it's rarely...
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    Yeah that's the same experience I've had. I work...

    Yeah that's the same experience I've had. I work with Delta Controls, but I've integrated with lots of other vendors too. We always start at 1 and go up from there avoiding gaps. Routers are usually...
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    The tricky thing with the OnFor and OffFor is...

    The tricky thing with the OnFor and OffFor is that they should really be called "True For" and "False For"
    So if you write the following:
    If (BV1 = Off) OffFor 5M then
    BV2 = On
    EndIf
    That is a...
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    Interesting, thanks for the info. We don't see...

    Interesting, thanks for the info. We don't see much JCI stuff in our area so maybe that's why I haven't encountered this issue yet.
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    JCI BACnet MS/TP MAC Address 1-3 Reserved

    Does anyone know why JCI says we cannot use MAC addresses 1 to 3 with their products? What are they reserving this for? I've never seen a rule like this on any other BACnet products I've worked with....
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    I believe this feature is only available in...

    I believe this feature is only available in version 3.40+
  37. Thread: Dimming Lighting

    by zzip7
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    I have used this module for small track lights...

    I have used this module for small track lights and the like and it's worked well. It won't do a large high load circuit though....
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    Sticky: Thanks! This is an awesome idea, MS/TP issues are...

    Thanks! This is an awesome idea, MS/TP issues are a major time sink for me.
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    Mostly just because it won't be used and we don't...

    Mostly just because it won't be used and we don't want multiple systems polling all the points slowing down the MS/TP networks for no reason. Also if there's existing sequences in it they may...
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    Removing JACE from site

    I've got a site with an existing JACE that's no longer going to be used by the customer (they've standardized on another frontend system). They would like it removed.

    I'm not an expert on JACEs...
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    Well it has it's own UI for looking at the...

    Well it has it's own UI for looking at the controllers, and doing typical BACnet OWS stuff. But the custom site graphics you would build are built on the DGLogik stuff. It's integrated into the...
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    Here's the info page from Delta:...

    Here's the info page from Delta:
    https://www.deltacontrols.com/products/facilities-management/supervisory-software/enteliweb

    It includes the DGLogik HTML5 graphics package which you can see more...
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    That's correct, enteliWEB now includes all the...

    That's correct, enteliWEB now includes all the programming / configuration features that ORCAview did. They've been slowly adding things to it with each update.
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    Delta's enteliWEB now uses HTML5 graphics/UI....

    Delta's enteliWEB now uses HTML5 graphics/UI. Again it's not free, but it works as a frontend for any BACnet system and doesn't require any separate tools or anything installed on the client PCs to...
  45. I'm no expert on Trane or Distech, but as far as...

    I'm no expert on Trane or Distech, but as far as BACnet networks go, if you want both BACnet/IP and BACnet ethernet on the same lan you'll just need to choose one panel to act as the router between...
  46. Are you putting the setpoints back in auto after...

    Are you putting the setpoints back in auto after you change them? If so it's likely that the programs in the Delta VAV controllers have a default setpoint or are receiving a common setpoint from the...
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    You're close. Use the .outofservice property to...

    You're close. Use the .outofservice property to put variables back in auto.

    If BVx.OUTOFSERVICE then
    BVx.OUTOFSERVICE = OFF
    EndIf
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    Yup, that's my problem then. The controllers are...

    Yup, that's my problem then. The controllers are running 5.3. I don't really want to mess with upgrading them so I guess I'm out of luck.
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    I think I tried that but it wouldn't let me write...

    I think I tried that but it wouldn't let me write to the instance number. Does it matter that I'm using a newer version of PCT than the controllers were originally downloaded with?
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    It will work on 3rd party devices and...

    It will work on 3rd party devices and enteliWEB/ORCAweb. The graphic basically just replaces all the %1 with the dev ID you had put in the replace graphic link when it opens.
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