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  1. Replies
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    Hey jwbolich Yeah, the key is a 3.40 version,...

    Hey jwbolich
    Yeah, the key is a 3.40 version, but should also work with the earlier 3.33. The part # is DWS340-L-O

    According to the Hardware Key Check it unlocks:
    - Orcaview
    - Illustrator
    -...
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    1,023

    Dude here (again)! I should mention that the...

    Dude here (again)!

    I should mention that the software 'lock' includes Historian (Large) and Orcaweb....
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    1,023

    Delta Controls and Software 4 Sale

    Dude here!

    I have some cool Delta Controls stuff for sale, and I am in need of some money.

    2 X DSC-1616E System Controller -> Good working order with no blown points or memory issues. Asking...
  4. Replies
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    950

    LON Integration with MNL series

    Hi,

    We are integrating with a Micronet MNL-100, MNL-150 and MNL-200 Series Controllers type of controller.

    However, we cannot see the NVs that describe the Input/Output state(s) of the...
  5. Replies
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    1,898

    Thanks for responses. We can try to increase the...

    Thanks for responses.
    We can try to increase the econo setpoint, but I do believe that the diffusers' throw will need to be looked at as well.
  6. Replies
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    Yes, the unit incorporates a full economizer...

    Yes, the unit incorporates a full economizer system, AND yes, you hit the nail right on the head: by dumping I mean the air feels cold when not actively heating and the outdoor air is cold.
  7. Replies
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    How do I avoid cold-air dumping?

    Hi,
    I have a 2 Stage Htg/Clg Unit at a restaurant controlled by a ddc controller c/w space sensor.

    The issue is that the occupants/clients can feel the air being dumped on them when the space...
  8. Replies
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    1,099

    Liebert Common Alarm Connection

    Hey Hey,

    I am using an ALC ZN141+ to monitor the 'Common Alarm Dry Contact' on a Liebert Mini-Mate 2 AC unit.

    Some time during the day/night, the associated Wall mounted thermostat (c/w unit)...
  9. Replies
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    1,384

    You are right Dog...this was an existing JACE...

    You are right Dog...this was an existing JACE installation and the router was added after the fact.

    From the Net Mgmt Tools perspective, the network is fine. It can see and talk to all the...
  10. Replies
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    Thanks Dog. It is an Echelon 78kbps-to-78kps...

    Thanks Dog.
    It is an Echelon 78kbps-to-78kps (FTT10A to FTT10A) router...
  11. Replies
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    I found out a little more about the application....

    I found out a little more about the application.

    The LON router was added and configured using a different LonWorks Network Mgmt tool: Circon Network Integrator.

    The JACE Device is based on...
  12. Replies
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    1,384

    The LON router was added using the network...

    The LON router was added using the network managment tool. The near side subnet/node id is 1/144, and the far side subnet/node id is 6/1.

    From the network management tools perspective, all the...
  13. Replies
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    Doesn't the FX60 need to 'discover' the router...

    Doesn't the FX60 need to 'discover' the router somehow?
  14. Replies
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    1,384

    How to add a LON router to FX60...

    I added a LON router to my network, and configured it using LonMaker for Windows...how do I get the FX60 to recognize the LON router to my network of devices?
  15. Replies
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    Thanks for the replies... I am trying to get...

    Thanks for the replies...

    I am trying to get around having to purchase software for programming the FX60. Sounds like I am better off buying the Workbench (Pro) to program the FX60...Bummer.

    I...
  16. Replies
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    797

    FX60 Requirements...

    I am thinking of using an FX60 on a future project, however, I am unclear as to wether it requires the FX Workbench to program it, OR if it comes with...
    Anybody know if the FX60 can be purchase...
  17. Replies
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    Ralson Metals make some decent panels, and the...

    Ralson Metals make some decent panels, and the price is right...

    http://www.ralstonmetal.com/
  18. Replies
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    ...I wonder how the PROs would approach it.

    ...I wonder how the PROs would approach it.
  19. Replies
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    898

    AC requirements to Home Addition

    Okay, a friend has built an addition to his home...a 24' x 30' family room area.

    The temptation is to simply tee off the existing duct work from the existing house, and extending it to two...
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    if (uiInput = ST_OFF) then //Universal input...

    if (uiInput = ST_OFF) then //Universal input cfg as SNVT_lev_disc.
    tmrDelay = 30 //Delay on make set for 30 seconds
    end if
    if (tmrDelay = 0) then
    uoOutput = ST_ON //Universal...
  21. Replies
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    1,523

    sysint(yfw) ...so, a bunch of LON devices...

    sysint(yfw)
    ...so, a bunch of LON devices hanging off of twisted-pair/78kpbs FTT10A channel connects to an iLON (tp-to-ethernet router of some sort)...that then connects to a wireless...
  22. Replies
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    Much obliged for the infor LonBoy.... ...

    Much obliged for the infor LonBoy....

    ...sysint...Have you used a LONWORK RF Router before?...Just need a way of going from a mini-Lon Subnet...to another mini-Lon subnet...don't want to create a...
  23. Replies
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    ...nothin' eh? ..thanks for the views...

    ...nothin' eh?

    ..thanks for the views anyway...

    Dude out.
  24. Replies
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    I have interfaced with Nortec humidifiers and I...

    I have interfaced with Nortec humidifiers and I do recall an analog input (0-10vdc) was required to simulate how dry/wet the air was (space, air in duct, etc...).

    I seem to recall a binary input...
  25. Replies
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    All the various comp'nies have various...

    All the various comp'nies have various technical/introductory info on their VSDs.

    You can check out:

    (Siemens) http://www.sea.siemens.com/step/default.html

    or

    (Danfoss)...
  26. Replies
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    LonWorks RF Routers?

    Dude here,

    Anybody ever use/have experience using RF routers between two LonWorks?

    1) What manufacturer did you try?

    2) Did it work?

    Thanks.
    Dude out.
  27. Replies
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    My knowledge of radiant panels is minimal...but...

    My knowledge of radiant panels is minimal...but why would you want to use three-speed pumps?
    Are you thinking of useing 3-speed pumps on just the radiant circuits?
  28. Replies
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    Excellent. Thankew

    Excellent. Thankew
  29. Replies
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    747

    Proving Exhaust Fan Air Flow

    Thinking about using a differential pressure switch (like the JCI P32 device)...and connecting the low pressure port to the inside of the exhaust duct, and leave the high pressure port open.
    This...
  30. Replies
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    Meriam-Webster def'n: Main Entry: trans·duc·er...

    Meriam-Webster def'n:

    Main Entry: trans·duc·er
    Pronunciation: \-ˈdü-sər, -ˈdyü-\
    Function: noun
    Date: 1924
    : a device that is actuated by power from one system and supplies power usually...
  31. Replies
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    FX40...or Tridium question!!

    Dude here,

    I have recently installed an FX40 (= Tridium Jace box) on a a LonWorks network, and will covert the LON data to BACNET side.

    The problem I am encountering is that any network...
  32. Replies
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    Yah, the other tool can see ALL the other devices...

    Yah, the other tool can see ALL the other devices including the missing one.
    The protocol is Bacnet over IP.
  33. Replies
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    Yep, the Insight can see all other devices...

    Yep, the Insight can see all other devices associated with the BACnet server.
    Just seems like it skipped over one device.

    The tool being used is by Cimetrix (Bacnet client tool).
  34. Replies
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    Siemens Insight s/w reading BACNET data

    Hey dudes,

    I am dealing with a Siemens Insight system (don't know much about it) that is reading BACnet data from a Bacnet server.

    The Bacnet server is essentially a gateway that gathers...
  35. Replies
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    Dude here, Sysint, truly sorry to hear about...

    Dude here,

    Sysint, truly sorry to hear about this story...that must really be a sting for you and for your business (and your name).

    I am curious...do they have similar installations with the...
  36. Replies
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    727

    yeah, I could use a cooling tstat with cooling...

    yeah, I could use a cooling tstat with cooling setpoint...but I was wondering if there is a heating tstat out there that does the same thing but with a true heating setpoint.
  37. Replies
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    Sorry, I have an installation with...

    Sorry,

    I have an installation with 2-position, On/Off, Spring Return, N.O. heating zone valves that use 24vac.

    Anybody know of a heating only thermostat that will fit this application?

    (ie...
  38. Replies
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    727

    Controlling N.O. Heating Valve

    Dude here,

    I have an installation with 2-position, On/Off, Spring Return, N.O. heating zone valves that use 24vac.

    Anybody know of a heating only thermostat that will fit this application?
    ...
  39. Replies
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    http://customer.honeywell.com/TechLit/pdf/77-0000s...

    http://customer.honeywell.com/TechLit/pdf/77-0000s/77-E1100.pdf
  40. Replies
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    Thanks for the replies. There is a manual freeze...

    Thanks for the replies.
    There is a manual freeze stat upstream of the coil(s). How low of a MAT setpoint can I (safely) go. I am keeping it at 55F right now, but I am tempted to bring it down to...
  41. Replies
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    2,557

    This is a multizone hot deck / cold deck. I do...

    This is a multizone hot deck / cold deck. I do believe the heating coil is beside the cooling coil.
    The MAT is currently being controlled to 55F. Cooling coil/loop has no glycol so am worried if...
  42. Replies
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    2,557

    Multizone AHU - MAT control?

    G'day,
    I have a multizone ahu serving a commercial shopping area. The oat is around -2F (c-c-c-cold).
    I have found out that the chilled water / cooling system serving the ahu's cooling coil does...
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    Thanks Jayguy. You confirmed my notions...

    Thanks Jayguy. You confirmed my notions...
  44. Replies
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    ...the EAT is 70F, and the LAT is 93F at 688CFM. ...

    ...the EAT is 70F, and the LAT is 93F at 688CFM.
    If I switch the fan to medium speed (ie 483CFM), will the space not get hotter faster?
  45. Replies
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    Dude here, Fan coil unit with hot water...

    Dude here,

    Fan coil unit with hot water heating coil (capacity of 29,000BTUH with fan at high speed (688CFM)). Water flow through coil is 1.65GPM (EWT=165F, LWT=102F).

    What happens if the fan...
  46. Replies
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    Dude here, I have heard of the rule of thumb...

    Dude here,

    I have heard of the rule of thumb "400CFM / ton of cooling".

    Is there a similar rule of thumb that uses SQ FT per ton (or CU FT per ton of cooling")?
  47. Replies
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    Dude here.... I have a domestic hot water...

    Dude here....

    I have a domestic hot water recirc pump 8GPM @ 17psi (40ft.w.c.)

    I was thinking of using a flow switch to monitor the flow for a DDC system.

    However, the flow switch imposes a...
  48. Replies
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    Tis all good answers. This is a job that is going...

    Tis all good answers. This is a job that is going to be installed in the next couple of months.
    I was thinking of going with a flow switch, but I need to make sure that there is enough trickle flow...
  49. Replies
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    Dude here, I have a 23gpm, 20ft wc pump...

    Dude here,

    I have a 23gpm, 20ft wc pump pumping hot water into a direct return circuit with baseboards using two way valves.
    What's the best way to prevent the pump from dead heading?...
  50. Replies
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    A LON device, or node has network variables....

    A LON device, or node has network variables.
    Each network variable has a SNVT (or UNVT) associated with it.

    If the static pressure network variable has a data type of "SNVT_press_p", the base...
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