Search:

Type: Posts; User: gman994

Page 1 of 5 1 2 3 4

Search: Search took 0.00 seconds.

  1. Replies
    1
    Views
    204

    Trane CGAM chiller Dynaview question

    Recently ran a call on a 100 ton CGAM. The maintenance tech says he gets repeated alarms for hi water temp from the building automation system (Jace). When he arrives, he finds the Dynaview on the...
  2. Replies
    3
    Views
    322

    In addition, when I attempted to commission one...

    In addition, when I attempted to commission one of the ZN517's, the commission failed. Which, from my understanding, is essential to sever any existing bindings that may have existed. This leads me...
  3. Replies
    3
    Views
    322

    JACE on a former Tracer network

    I've gotten myself into another good one, and hope you guys can help me with this. Recently got involved with a job where a JACE AX replaced some BCU's. There is a full host of LCI's, MP 501's,...
  4. Replies
    3
    Views
    306

    AX JACE connection problem

    This is a 2 part question. 1 - Attempting to make a browser connection to a recently installed Web 600.
    I'm doing this remotely. I get the login screen, which I complete and enter. It goes thru all...
  5. Replies
    5
    Views
    415

    Okay, I looked into it and understand what you're...

    Okay, I looked into it and understand what you're saying. Using the "identify", and then using the service pin, it will display the values you described. At that point you can change the lon id info...
  6. Replies
    5
    Views
    415

    So you say the Lon utility will allow you to see...

    So you say the Lon utility will allow you to see the existence of a controller that can't be discovered? Okay, never knew about that one. In the Lon network property sheet, under net mgmt., there is...
  7. Replies
    5
    Views
    415

    Thanks for the response, sounds like you know...

    Thanks for the response, sounds like you know what you're doing. I went back to my test bench, and deleted my test spyder from the test station,
    did as you suggested, and it worked like you...
  8. Replies
    5
    Views
    415

    Honeywell Spyder

    Have a job that has 2 PUL6438's on a Lon bus that's predominantly Trane devices and a BCU. Since these are dynamic
    devices in this environment, we can't see the logic. I have the latest version of...
  9. Replies
    0
    Views
    216

    York YPAL Lon point info

    Recently installed a JACE (Webs 600) on a network that includes 2 York YPAL 90 ton RTU's. These units have the old Optilogic control boards in them. About a year ago, someone installed Lon boards in...
  10. Replies
    1
    Views
    221

    Semco Energy Recovery Units

    I'm currently evaluating some of these units. They're the Pinnacle series and rated for approx. 35,000 cfm. Each unit has 2 heat exchange wheels: a Total energy (enthalpy) wheel, and a Passive wheel....
  11. Replies
    4
    Views
    440

    Thanks a lot guys, that's EXACTLY what I was...

    Thanks a lot guys, that's EXACTLY what I was needing. Seems pretty straightforward, thanks again. --- gman
  12. Replies
    4
    Views
    440

    Pneumatics question

    Came across an old Johnson T-901 master/submaster control. There are 3 ports on the top of the unit; left port-supply air, center port-pilot, right port-output. It's controlling a n/o hot water vlv....
  13. Replies
    2
    Views
    327

    Honeywell 403 JACE

    I have a few of these that suffered from the recent JAVA update (7.25 I believe). They're running Webs ver 3.44.3. Will the 403 support a later version like 3.5 or 3.6 with the patch that remedies...
  14. Replies
    1
    Views
    340

    Trane air handler floors rusting through

    Some years back, I recall reading about large tonnage Trane AHU's having problems with the floor of their units rusting through, creating safety concerns for those servicing them. The floor doubles...
  15. Replies
    20
    Views
    1,847

    Well, replaced the burners yesterday. Brushed and...

    Well, replaced the burners yesterday. Brushed and blew out the heat exchanger, but it really didn't appear dirty enough to cause problems. The condensation theory, though solid, isn't a factor in...
  16. Replies
    20
    Views
    1,847

    Lochinvar Burner meltdown

    I have a Lochinvar CH1800 hot water heating boiler that I've serviced for the past 6 yrs. I was onsite today on an unrelated mission when I noticed it was having a hard time igniting. Disassembled...
  17. Replies
    0
    Views
    187

    Carrier RTU Open w/Lon board

    I just replaced an RTU Open control board in a Bryant Humidimizer unit. It has an accessory Lon board ribboned to it to communicate on our Lon network. I confirmed that the Lon board was good by...
  18. Replies
    8
    Views
    678

    No, they will remain in the Config Online state....

    No, they will remain in the Config Online state. And, the nvi's and nvo's that I'm utilizing function as well. The only time they need to be retoggled to Config Online is if I perform a bind with one...
  19. Replies
    8
    Views
    678

    As far as the Lcir boards go, I've experienced...

    As far as the Lcir boards go, I've experienced this on my last 2 jobs. What I ended up doing was, after discovering them, and encountering their reluctance to commission, I opened their property...
  20. Replies
    14
    Views
    1,193

    I have a customer that had the same request. He...

    I have a customer that had the same request. He wants us to log any equipment, or sytem concerns we encounter during our routine inspections. I think it's a pretty cool idea, I just wasn't sure how...
  21. Replies
    8
    Views
    1,092

    Thanks to all that responded. The job is in and...

    Thanks to all that responded. The job is in and running well at this time. Here's what I ended up doing: I'm allowing the units to run off their own static pressure control strategies and components...
  22. Replies
    8
    Views
    1,092

    Silversurfer, did your VFDs all track at similar...

    Silversurfer, did your VFDs all track at similar speeds? Maybe I'm overthinking this, but I can conceive, that over time, one of the units could be operating at 50hz and the other at 20hz while...
  23. Replies
    8
    Views
    1,092

    Twinning 2 Trane VAV RTU's

    I'm soon to be involved with a replacement project where we are installing 2 25 ton VAV units as replacement for a single 50ton unit. I'm unsure of the Trane model#'s but I was assured they will...
  24. Replies
    4
    Views
    528

    Lon connect without PMCIA

    There has been some discussion of upgrading our company laptops with newer models. Most of our laptops are loaded with all the ports, Comm, PMCIA, USB, modem, and RJ45, and are running XP...
  25. Replies
    6
    Views
    1,126

    I wonder if he could use a T775M with its 2...

    I wonder if he could use a T775M with its 2 modulating outputs. If they're configured for 0-10vdc, or 0-5vdc and wired from "+" to "C", "-" to "N" for cooling, and then configure the 2nd mod output ...
Results 1 to 25 of 117
Page 1 of 5 1 2 3 4
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event