Search:

Type: Posts; User: integrationx

Page 1 of 3 1 2 3

Search: Search took 0.00 seconds.

  1. Replies
    0
    Views
    169

    Toshiba VRF BACnet Interface

    Has anyone done an integration with a Toshiba VRF using their BACnet interface (BMS-STBN08E)?

    The local rep has sent me through their object list but it says that monitoring/feedback points such...
  2. Continuum - BACnet - b3 - Current Version

    Can anyone tell me the latest version of firmware for the Continuum b3 BACnet controllers? The last release I saw was 4.500064.
  3. Look up the ShowReport keyword?

    Look up the ShowReport keyword?
  4. Replies
    1
    Views
    1,158

    Enthalpy conversion btu/lb to kj/kg

    Can someone explain the conversion of enthalpy from btu/lb to kj/kg?

    Every website I search says to multiply by 2.326, but when I do some checks (using web based calculator or psychrometric...
  5. Replies
    8
    Views
    1,030

    Enthalpy conversion btu/lb to kj/kg

    Can someone explain the conversion of enthalpy from btu/lb to kj/kg?

    Every website I search says to multiply by 2.326, but when I do some checks (using web based calculator or psychrometric...
  6. Replies
    5
    Views
    919

    With regards to the subroutine calls then (for...

    With regards to the subroutine calls then (for the VAVs), would it be possible to modify them to only read/write data on change and/or a time interval?
  7. Replies
    5
    Views
    919

    There are a variety of issues (including controls...

    There are a variety of issues (including controls functionality) however the comments given to me include "the system is slow" and "events are getting missed" (e.g. afterhours initiations).

    I am...
  8. Replies
    5
    Views
    919

    Alerton: Transfer

    I am investigating issues with an Alerton job and I am looking for some help understanding how data flows in an Alerton network (before I get out the protocol analyser)

    Consider this scenario;
    -1...
  9. Replies
    1
    Views
    302

    Who makes the WMS1?

    I am trying to work out who the manufacturer is of a product with the name/part number of "WMS1". From what I can tell, it is a linux based web server. It is packaged in a small silver (aluminium?)...
  10. The SmartSensor input can have a standard...

    The SmartSensor input can have a standard thermistor (10K TypeIII) wired to it. It can also be configured as a digital input.

    It is not limited to being used for a SmartSensor.
  11. Replies
    1
    Views
    430

    AX vs R2 - 'openness'

    I recently suggested using the AX product and was told

    "R2 does not have the capabilities of Ax in that the API is closed"

    Could someone help explain this?
  12. Replies
    6
    Views
    1,440

    A few guys in our office have been using rhino3d

    A few guys in our office have been using rhino3d
  13. Honeywell Exel10 VAV Functional Description

    Can anyone provide me with something from a Honeywell engineering manual relating to the configuration options for a Exel 10 (LonMark 8010) VAV controller.

    I need to confirm whether a parallel fan...
  14. Replies
    1
    Views
    532

    Lonmark Profile Conformance

    If I purchase two VAV controllers from two different manufacturers, but both conforming to the 8010 profile, does this mean they will behave the same? I.e does the 8010 conformance extend to the...
  15. Replies
    14
    Views
    1,785

    This is the way most projects will go eventually....

    This is the way most projects will go eventually.

    On a recent tender (with over 100 VFD/VSD), the DDC had no requirements for AIs or AOs to do with VFD/VSD control. All sensors were to be...
  16. Replies
    3
    Views
    514

    Where can I find your email?

    Where can I find your email?
  17. Replies
    11
    Views
    1,383

    does anyone have a complete points list for an...

    does anyone have a complete points list for an Alerton VAV-SD controller? I.e. what BACnet points are exposed?
  18. Replies
    3
    Views
    514

    I am working on some Alerton VAV-SDC controllers...

    I am working on some Alerton VAV-SDC controllers and have a question about units.

    The graphics show the airflow in Litres per second, but when I go into the VAV airflow sensor setup, the Box...
  19. Replies
    2
    Views
    507

    Are you asking a question or making a statement?...

    Are you asking a question or making a statement?

    The upgrade/conversion from Infinity to Continuum can be simple; the key is preparation.
  20. Replies
    2
    Views
    682

    The trouble is that reading from a graph is not...

    The trouble is that reading from a graph is not very precise.

    The chiller manufacturer is stating the following;
    6.47 L/s = 13 kPA
    6.28 L/s = 12 kPa
    5.2 L/s =9 kPa

    To me these figures could...
  21. Replies
    2
    Views
    682

    Can the formula for a valve flow rate/pressure...

    Can the formula for a valve flow rate/pressure drop be applied to a chiller vessel.

    i.e. gpm = Cv x Sqrt(Delta P)

    If the chiller manufacturer tells me the flow rate at a certain pressure drop,...
  22. Replies
    12
    Views
    1,019

    When you have the Edit box up, press F2 and it...

    When you have the Edit box up, press F2 and it will display a list of available controllers/points (depends which field you are in)

    The best starting point would be to VIEW a list of Infinet...
  23. Replies
    1
    Views
    460

    In case anyone was interested, I have the...

    In case anyone was interested, I have the solution.

    When I contacted Gesytec, their tech told me go to Options and select 'Read format type'. When I told him there was no such option, he told me...
  24. Replies
    2
    Views
    834

    Build a lead (RJ45 to DB9) RJ45(DB9) - TD : 8...

    Build a lead (RJ45 to DB9)
    RJ45(DB9)
    - TD : 8 (3)
    - RD : 6 (2)
    - Signal Rtn : 5 (5)

    You can add the others but the those three should suffice.

    Plug the RJ45 into Comm3 (all things being...
  25. Replies
    1
    Views
    460

    I have put a query in to Gesytec but if anyone...

    I have put a query in to Gesytec but if anyone here has any suggestions they would be welcome.

    I am setting up a Gesytec Easylon OPC Server. When I bring in the LNS variables, the temperature...
Results 1 to 25 of 72
Page 1 of 3 1 2 3
Comfortech Show Promo Image

Related Forums

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