Search:

Type: Posts; User: jasoninsandiego

Search: Search took 0.00 seconds.

  1. Replies
    13
    Views
    2,159

    JCI GPL/JCB to NAE LCT programming

    Johnson Controls wants to upgrade our facility from NCM350 to NAE. 5 out of the 20 NCMs perform critical smoke control processes,. These processes have been tested thoroughly. I am concerned for...
  2. Is there a way to calcuate the flow rate in gpm...

    Is there a way to calcuate the flow rate in gpm or feet per minute through a chiller evap. tube by usings diff. pressure?
  3. I converted from HVAC mechanic / Pipefitter to...

    I converted from HVAC mechanic / Pipefitter to BAS controls about 12 years ago. I am glad that I made the move. The job is a little cleaner, not so hard on the back, not as much OT in the summer...
  4. Replies
    14
    Views
    6,780

    I found the information that I was looking for. ...

    I found the information that I was looking for. Siemens upgraded the old Datamate program and consolidated it with the old versions of Building Control Software (BCS), Controller Interface Software...
  5. Replies
    9
    Views
    1,196

    The Minimum on / off times are time delays. The...

    The Minimum on / off times are time delays. The minimum on time is the shortest time the BO will be on and the minimum off time is the shortest time the BO will be off. I was wrong by calling them...
  6. Replies
    9
    Views
    1,196

    As for the compressors not responding to a...

    As for the compressors not responding to a setpoint change, it could be a number of things.
    1. Slow PI Loop
    2. Large Bias
    3. Setpoint is not going above or below the actual setpoints.
    4....
  7. Replies
    9
    Views
    1,196

    If I remember correctly. You can not override the...

    If I remember correctly. You can not override the BO for the compressor command in an AC Unit or Roof Top unit application. I believe there is a point under the parameters menu called cooling demand...
  8. We just ripped out a first generation Metasys...

    We just ripped out a first generation Metasys control system. We ripped out

    3 5-Slot NCU Panels
    2 2-Slot NCU Panels
    A Couple of DCMs, XRE, and XRL, modules
    A whole bunch of power supplies and...
  9. Replies
    14
    Views
    6,780

    We are going to install a Tridium workstation and...

    We are going to install a Tridium workstation and integrate with the Siemens equipment. Eventually, the customer wants to phase out the Siemens products as failures or upgrades are needed. We need...
  10. Replies
    12
    Views
    6,964

    The best bet is to use the N30 BACnet/IP. It is...

    The best bet is to use the N30 BACnet/IP. It is easy enough and you can find tons of BACnet/IP APIs for Visual Studio .NET or 6.0
  11. Replies
    16
    Views
    4,450

    A Company called Field Server makes a nice...

    A Company called Field Server makes a nice interface that converts N2 to just about any protocol that Triduim can read, LON, BACnet/IP, etc. http://www.fieldserver.com
  12. Replies
    14
    Views
    6,780

    We have a very small building with 1 Siemens...

    We have a very small building with 1 Siemens Apogee MBC and a few TEC BLN controllers installed. We would like to know if a program exist to backup the MBC. I know Insight will do the job, but we do...
  13. Replies
    12
    Views
    6,964

    If the site has a M3 or M5 workstation, you can...

    If the site has a M3 or M5 workstation, you can use a OPC client to get data. The N30 runs "BACnet" between N30s and M-Series workstations. How pure that BACnet is, I am not sure.
Results 1 to 13 of 13
Comfortech Show Promo Image

Related Forums

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