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Type: Posts; User: Jason Grossman

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  1. Replies
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    Sounds like a plugged orifice in the header to...

    Sounds like a plugged orifice in the header to me. Run it with the indoor fan disconnected and see if any of the orifices fail to ice. That would be the plugged ones.
    Another thought, did you split...
  2. Thread: McQuay

    by Jason Grossman
    Replies
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    187

    McQuay

    Anyone have any insight into the McQuay software situation? Last I looked into buying it, for some RPS machines I service, it was really pricey and I believe it only worked on a small group of...
  3. Most I see are on a controlled loop that...

    Most I see are on a controlled loop that maintains 60-90 and a automatic balancing valve hose set to maintain the flow rate regardless of changes in loop flow. Some have isolation valves on the...
  4. Most water source heat pumps don't have head...

    Most water source heat pumps don't have head pressure valves on them. The flow rate, and delta, should be pretty constant. Sound like a flow problem to me too. I'd open up the flow control valve and...
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    I resolved it by adding more memory to the laptop.

    I resolved it by adding more memory to the laptop.
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    I had a similar issue, can't remember the exact...

    I had a similar issue, can't remember the exact message I got, and it was because I didn't hBe enough memory on the laptop I was using. I believe they required more ram than the old laptop I was...
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    Whoops. I meant to delete the program, not the...

    Whoops. I meant to delete the program, not the whole controller. Program would still be there if you did it the way I wrote it when you upload it again. Thanks for clarifying.
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    Right click on the device in field assistant and...

    Right click on the device in field assistant and "delete selected". Then load the program you want and download the controller. It's similar in FA and iVu.
  9. Plug a monitor into the iVu and cycle power. It...

    Plug a monitor into the iVu and cycle power. It should spit out it's ip config. I'd bet the ip config you got from the service tool is the loop back address of the USB to 485 adapter plugged into the...
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    Try importing the project? Sent from my...

    Try importing the project?


    Sent from my iPhone using Tapatalk
  11. Replies
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    The restore will put the old usernames and...

    The restore will put the old usernames and passwords back in. And he doesn't have the password for the management tool.


    Sent from my iPhone using Tapatalk
  12. Replies
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    I read it that he can get into it, just not at...

    I read it that he can get into it, just not at the installer level. You can pull all the files for graphics and equipment files one by one if you can get into it. You're right though, the installer...
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    There should be a disc or thumb drive with the...

    There should be a disc or thumb drive with the server to restore it to factory condition. When you restart the server with that installed, it wipes the server to factory shipped condition. No IP. No...
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    Doesn't exist. Only way to "unlock it" is to...

    Doesn't exist. Only way to "unlock it" is to restore it and rebuild the system. That's not too hard if it's a lot of canned applications. If it's all custom, it gets pretty time consuming. Any vendor...
  15. Trane. Enough said. Locally they are impossible...

    Trane. Enough said. Locally they are impossible to deal with as well. I have a 1988 ish building with Trane controls. Some comm problems. Same BS. Wouldn't even hook up to the old system to see...
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    Owners Training

    What do you guys cover in owners training? I've done a bunch over the years and try to cater it to the ability of the staff, but sometimes I feel I need a more formal outline. I usually figure a...
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    Try changing the color of the oval? Also be sure...

    Try changing the color of the oval? Also be sure the iVu has the latest patches.


    Sent from my iPhone using Tapatalk
  18. Replies
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    If you are trying to get them to follow each...

    If you are trying to get them to follow each other you can just wire the feedback output voltage from the first to the input signal of the second. Is that what you are looking for?


    Sent from my...
  19. Replies
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    My recollection is that comfort view only works...

    My recollection is that comfort view only works with the recommended converter. A B and B model I believe.


    Sent from my iPhone using Tapatalk
  20. W72** control is volts dc. W74** series is not. I...

    W72** control is volts dc. W74** series is not. I think it's 135ohm??? Can't remember. But no, it won't work without changing the motor too.


    Sent from my iPhone using Tapatalk
  21. CCN can't talk to BACnet. The only way I see to...

    CCN can't talk to BACnet. The only way I see to do it would be to allow the zones to run off their primary air sensor, but they wouldn't be able to communicate their needs for heating or cooling. At...
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    I have been told it works fine but I haven't done...

    I have been told it works fine but I haven't done it myself. I am currently using it with windows 7, no problem.
  23. Thread: LonSpec

    by Jason Grossman
    Replies
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    392

    LonSpec

    Has anyone successfully used a USB to ft Lon adapter with honeywell's lonspec? Seems to me it should work but I don't think it was supported. Trying to get away from PCMCIA slot card. That's the...
  24. Replies
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    I would love a copy of 4.1. The micro zone...

    I would love a copy of 4.1. The micro zone manuals would be helpful too. Thanks a lot. Jason.


    Sent from my iPhone using Tapatalk
  25. The only real savings would come from stopping...

    The only real savings would come from stopping the loop pumps all together. There is a way to have all the HPs communicated their heat or cool requests back to the mechanical room controllers,...
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    Very generous. Thanks. Sent from my iPhone...

    Very generous. Thanks.


    Sent from my iPhone using Tapatalk
  27. Replies
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    We have been doing the ccn stuff for years and...

    We have been doing the ccn stuff for years and there is tons of vvt, all generations, around here. Just switching to the open product in the last year. I love it. The job I'm doing right now is...
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    Not really issues, just not enough literature out...

    Not really issues, just not enough literature out yet to make it clear how to avoid the pitfalls of a new product. What market are you in? I saw upstate New York in your profile. I'm in Albany.

    ...
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    They have a few levels of certification, 3 I...

    They have a few levels of certification, 3 I think? Vvt and vav, field applied, etc. You do business with RJ Murray? Chuck has the info. I already have an equipment touch ordered for a job. I know...
  30. Thread: AAM bus

    by Jason Grossman
    Replies
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    744

    Somehow I feel like I screwed up by stumbling...

    Somehow I feel like I screwed up by stumbling onto a job that was done poorly. I appreciate the info, that's why I asked. I am just removing this job but I could just as likely be there to try to fix...
  31. Thread: AAM bus

    by Jason Grossman
    Replies
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    744

    Sorry I asked Sent from my iPhone using...

    Sorry I asked


    Sent from my iPhone using Tapatalk
  32. Replies
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    I could use a copy too. Thanks. Sent from...

    I could use a copy too. Thanks.


    Sent from my iPhone using Tapatalk
  33. Replies
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    They will not give it to you until you are...

    They will not give it to you until you are certified at some level in controls. Even then it's a runaround. Touch graphics are coming but the training for how to do them isn't even due out til next...
  34. Thread: AAM bus

    by Jason Grossman
    Replies
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    744

    I thought of something like that but it appears...

    I thought of something like that but it appears to have all been done at once. I too have used a four or six conductor to insert a couple controllers into the middle of an existing bus. I wasn't sure...
  35. Thread: AAM bus

    by Jason Grossman
    Replies
    13
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    744

    I agree wholeheartedly. Products each have...

    I agree wholeheartedly. Products each have strengths and weaknesses. That's why it's best to have a couple options so you can use the BEST product for THAT job, not just what you sell. And if you put...
  36. Thread: AAM bus

    by Jason Grossman
    Replies
    13
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    744

    You just described exactly why it's getting...

    You just described exactly why it's getting ripped out. Rats nest of wiring, lousy front end, barely a control system really. No discharge air on wshp's??? Installer was not asked to bid replacement...
  37. Thread: AAM bus

    by Jason Grossman
    Replies
    13
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    744

    AAM bus

    Can someone explain the AAM bus topology to me on the older controls? Pup controllers I believe. It appears to be 485 but for some reason the comm buss is a 4 conductor at each controller and the...
  38. There is a patch for field assistant to upload...

    There is a patch for field assistant to upload new 6.0 pic controllers in 5.1. I have also had trouble completing uploads/downloads if the computer memory is too small( I believe they require 2 gigs ...
  39. Replies
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    The unit in question is a Schneider, not a...

    The unit in question is a Schneider, not a liebert and they show the traps before the receiver not between like liebert does it. That's what sparked the debate. I don't understand how putting an...
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    B anb B makes a good one I have used but last I...

    B anb B makes a good one I have used but last I checked it was quite a bit more expensive than the rep485


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  41. Replies
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    Either way, it doesn't matter where the inverted...

    Either way, it doesn't matter where the inverted trap is located as long as it exists and goes above the coil. That's the key installation detail. Thanks.


    Sent from my iPhone using Tapatalk
  42. Replies
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    That's my understanding too. Why does liebert...

    That's my understanding too. Why does liebert draw them between the condenser coil and the reciever? In that configuration liquid could still flood the indoor section if a solenoid failed or stuck?
    ...
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    refrigerant piping question

    does it matter if the inverted trap going to a liebert type condensing unit, above the compressor, is located between the receiver and the condenser or can they just be located where the lines come...
  44. I recently came across a bulletin on the acbs...

    I recently came across a bulletin on the acbs site that indicated grounding one side of the transformer secondary, as required by nec if primary voltage is over 150 v to ground, can cause ground...
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    During setup, the iVu is uploading the files from...

    During setup, the iVu is uploading the files from the controller. Sounds like a network comm problem. Can you attach to the network with field assistant? I would try just one controller at a time to...
  46. Replies
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    and yes it usually comes with a cd and a USB...

    and yes it usually comes with a cd and a USB thumb drive. CD has install manuals and some software for installer. The USB thumb drive is to restore the ivu to factory defaults.
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    the ivu is just a web server. It comes pre...

    the ivu is just a web server. It comes pre loaded with the software and drivers, though updates are available through carrier or dealers. Mostly upgrades and patches. There are two flavors, ccn and...
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    Good tip. Thanks. I did install the latest driver...

    Good tip. Thanks. I did install the latest driver on Friday. I will repost with any results. Thanks.


    Sent from my iPhone using Tapatalk
  49. Replies
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    That patch is installed. I haven't seen the one...

    That patch is installed. I haven't seen the one from yesterday yet.


    Sent from my iPhone using Tapatalk
  50. Replies
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    ivu 6 ccn

    Anyone seeing any issues with communications on the new 6.0 ivu when using the usb to ccn adapter? works great for a couple days and then the network seems to get bogged down and I star having...
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