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Type: Posts; User: leoxxl

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  1. Replies
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    No one knows?

    No one knows?
  2. Replies
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    385

    TA System 7 interfacing to Tridium WebAx?

    We are looking at a project that the old building has existing older TAC Zone II system. The new building will be a Niagra WebAX which is required to interface with the exisiting system.
    Does anyone...
  3. Thread: Fan Status

    by leoxxl
    Replies
    17
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    1,248

    I actually prefer DP Flow switch as a feedback....

    I actually prefer DP Flow switch as a feedback. However, I was told that costs too much.
    For the job I am doing. I am not even hard wire the VSD enable and speed reference. All the points will be...
  4. Thread: Fan Status

    by leoxxl
    Replies
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    1,248

    Fan Status

    Hi Guys, I am not very much into VSDs. A quite simple question.

    One of the most common ways in picking Fan Status is to install the CT switches as digital inputs to the DDC controller.

    For fans...
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    Thanks again, Matrix I am pretty sure my...

    Thanks again, Matrix

    I am pretty sure my workbench does NOT have demo license. I can log into the platform but it wont run any station. I dont know what kind of license JCI provided.

    The...
  6. Replies
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    Thanks for the tips Matrix. I think I need to...

    Thanks for the tips Matrix.
    I think I need to get a Demo license then?

    Leo
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    Thanks for the information I know I can use...

    Thanks for the information

    I know I can use serial shell mode to reset the platform password.is there any way to get into the station without knowing the station login?

    Leo
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    Thanks matrix. What worries me is that if I...

    Thanks matrix.

    What worries me is that if I got the job, but I cannot access the station, I will be screwed, cause my quote will be based the existing station, not redo the whole thing.
    I may...
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    Thanks a lot for your advice, Matrix The...

    Thanks a lot for your advice, Matrix

    The existing Jace is from Vykon. The DDCs are TAC Invensys. There is no supervisor on site.

    As it is an expansion job, it will be less hassel to just add...
  10. Replies
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    existing old jace 2

    i am quoting a sports center expansion job which has got a jace 2. i think the jace version is before3.4. can i still use this jace and also keep the statio? i can get the station access.i currently...
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    thanks for all the input. i finally logged in....

    thanks for all the input. i finally logged in. the login is jci, explorer. unlike HW Webs, here is a preloaded station in fx20.
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    Surely I am gonna try it on Monday. Will keep...

    Surely I am gonna try it on Monday. Will keep everyone posted. Thanks a lot
  13. Replies
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    it is a new jace uncommissioned. there is no...

    it is a new jace uncommissioned. there is no station running.
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    1,480

    Cannot Log into Platform FX20

    Hi Guys. I ordered a new FX20 from JCI, but I couldnt open the platform
    1. I changed the IP address on my PC to 192.168.1.05, and subnet mask to 255.255.255.0.

    2. Connect FX20 via ethernet, and...
  15. Replies
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    2,705

    Is that version 4.8.8 for both?

    Is that version 4.8.8 for both?
  16. Replies
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    569

    Surely I will. Thanks for the tip

    Surely I will. Thanks for the tip
  17. Replies
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    569

    problem solved. It turned out I put in wrong...

    problem solved. It turned out I put in wrong domain name
  18. Replies
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    Thanks Digo, Niagara platform management service...

    Thanks Digo,
    Niagara platform management service is running.
    User name cannot be changed due to the company policy

    MatrixTransform,
    I cannot log into the workbench, I got the login dialog box....
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    Web Supervisor Platform Login Failed

    As we all know the login shall be the windows login. We have tried what we could, and couldnt get it work.

    The PC user is the admin user and there is no duplicated user names in this laptop.

    ...
  20. Thread: VAV K-Factor

    by leoxxl
    Replies
    1
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    686

    VAV K-Factor

    Is there an equation between K-Factor and Velocity Pressure, or it varies with different VAV Manufactures?
  21. Replies
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    Thanks GT The floating actuator is integrated...

    Thanks GT

    The floating actuator is integrated in the Honeywell VAV controller.
  22. Replies
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    3,462

    Thanks for all your inputs. I have to use...

    Thanks for all your inputs.

    I have to use Honeywell VAV Spyder, which has a floating actuator. I have problems in controlling the VAV damper, if I use PID percentage output to the damper position...
  23. Replies
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    VAV damper actuator

    Modulating actuator or Floating actuator, which one is more common?
  24. Thread: VRV control

    by leoxxl
    Replies
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    626

    According to the specification, modulating...

    According to the specification, modulating dampers are required to control the supply air volume for fan coil units, which I think is not necessary in VRV system.

    The VRV is cooling only. There...
  25. Thread: VRV control

    by leoxxl
    Replies
    6
    Views
    626

    VRV manufacturer is not specified. No matter...

    VRV manufacturer is not specified.

    No matter what brand it is, all VRV controls shall be in the whole package, right?
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