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  1. Replies
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    283

    RS-485 Data cable sizes

    We have an RS-485 controls riser that
    is shielded 22 Gauge stranded
    On three floors we connected off of the riser
    N2 comm cards on Eaton V.F.D.'S one per floor
    The contractor is telling us...
  2. Excuse Me Alerton Controls

    Excuse Me Alerton Controls
  3. Honeywell Vision Pro with an Andover VLC Label

    I have two Package units that are suppose to communicate with each other through
    what appears to be a Honeywell TH811
    Vision Pro Stats on each unit
    The stats are labeled with the Andover...
  4. Eaton SVX9000 V.F.D. Bacnet Expansion card

    This is the Fourth Model# OPTCJ bACNET Card from Graingers
    Every time a OPTCJ Card is plugged into the "E" slot on the eATON svx9000 V.F.D. main board, I Get the word "GO" on the V.F.D's Keypad....
  5. Replies
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    244

    The GE H-10B Halon Leak detector

    This older GE works incredibly great on R-22
    Can it be used for 134-A
    Is 134-A , a Halogenated refrigerant?
  6. Replies
    30
    Views
    1,673

    Auto AC Charging R-12 Gauges to adaptor

    I am trying to find out pipe sizes for adapters
    I have both a Low and a High side Quick connector for
    134 A
    I am using my service gauges"R-12" hoses
    to connect to a 30 Pound Cylinder of R-134 A...
  7. Replies
    12
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    737

    Do not Earth Ground the Drain wire?...

    Do not Earth Ground the Drain wire?
    Interesting,that may explain a few problems with other sites.
    I have seen this wire touching bare metal conduits and junction boxes
    These are Johnson FX...
  8. Replies
    12
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    737

    RS-485 Wiring Question

    Will this work if the Bare drain wire is wired as per the Diagram below?
  9. Liebert Challenger Digital Compressor Control

    Anyone familiar with the control processor
    board for the Liebert Challenger 3000 systems
    The Manual is a little Vague regarding the Troubleshooting of the Actual Digital control of the Compressor...
  10. Replies
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    568

    Will this N2 wiring work

    Have to run a RS-485 Wire for a New UNT controller from the main N-2 Risercontrol
  11. Thank you Yes you can connect through switches...

    Thank you
    Yes you can connect through switches
    My laptop was on the wrong network
  12. connecting to fieldserver router through switches

    manually configured my IP with same subnet and same field server IP,with the exception of the last octet on mine.
    I am connected to a switch,not a hub,with other computers and a web 201 toit...
  13. Replies
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    225

    basrt-b router port

    can someone provide a real world example
    where one would use the UDT port
    on the contemporrary Controls Bacnet Router
    # BASRT-B
    I sit simalar to the UDP Protocol
  14. Thanks VPNBots

    Thanks VPNBots
  15. Honeywell/ tridium web201 no more connectivity by internet

    The Honeywell Web 201 has multiple Honeywell spyder controllers connected
    to it
    It connects to a standalone PC. Can no longer log in by internet. The system is connected to a router.My laptop...
  16. Baldor Inverter duty motor has unusual way of starting via V.F.D.

    Baldor tech commissioned new V.F.D. for 40 H.p. inverter duty moto When motor first starts it humms and shaft wiggles back and forth.
    Finaly it ramps up to full speed.The tech seemed to know his...
  17. Replies
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    633

    Great, their primary concern is that their vendor...

    Great, their primary concern is that their vendor is not supplying them with an Andover
    BACnet bCX1 Controller/Router,for their BACnet bus.So what I can do then is add a fieldserver between the...
  18. Replies
    7
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    633

    Yes . Remember the customer is always right If...

    Yes . Remember the customer is always right
    If we say no there are companies, maybe your company, that will step in and give them what they want.
    It sounds strange but they are trying to replace...
  19. Replies
    7
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    633

    NAE and Fieldserver router

    fieldserver was a little vague on this
    have a site
    with a Johnson NAE connected to Bacnet controllers of
    various vendors
    owner wants to go with Fieldserver router and eliminate the NAE. I am...
  20. Field Server Bacnet and Infinet ll controller

    I have an
    Andover Infinet ll Network controller
    RS-485 bus to Ethernet
    My server is running Cyberstation
    I have a seperate Shielded twisted pair for Bacnet
    I have two third party,Bacnet pump...
  21. I should add more We have an Andover Bacnet...

    I should add more
    We have an Andover Bacnet Master/Network/ router controller.
    The owner's people are asking us to put in a Johnson NAE or a Johnson FX40,with Bacnet Cards
    They want to control...
  22. Can a Bacnet controller control and read points with just

    Can a Bacnet digital controller,plain vanalla type, control analog /digital points and read points from a Bacnet ready V.F.D. with just using the
    RS-485 BUS that connects my head end computer,yes ...
  23. Thanks anyway,have the same manuals that come...

    Thanks anyway,have the same manuals that come with the new controllers
    no troubleshooting or assembly diagrams
    On other types there is usually a clogged restricter or clogged internal filter that...
  24. No Pneumatic signals on RobertShaw receiver Controller P541

    Robert Shaw Pneumodular series P451 ,beige color
    Dual input Direct Acting Receiver Controller

    Have four of these controllers on the same Air station
    They appeared to be working the other day...
  25. Great video I gather you have to braze on ...

    Great video
    I gather you have to braze on another access valve
    due to there is usually a check Valve in the dip tube?
  26. Waht is the name of your channel on youtube

    Waht is the name of your channel on youtube
  27. Can Rotary brass pump be used to pump POE oil and Liquid Refrigerant

    My company has me and another tech doing alot of
    A.C. recovery's evacuations and converting from R-22
    to the new replacement refrigerants.
    The hand oil pump can be time consuming after awhile ...
  28. Robinair 17500 B Recovery Goes off Hi Head Pressure

    The machine is about 4 Years old.
    It rrecovers for less than a minute
    recovery seems to stop
    then goes
    off on High head pressure
    All the valves are open
    Tried using new tank with a vacuum...
  29. Riffdav I am not allowed to post my E-Mail did...

    Riffdav
    I am not allowed to post my E-Mail
    did not see yours in your profile
    My address is visible in my profile
    feel free to e-mail me
  30. I did call a Belimo Rep in Connecticut I am...

    I did call a Belimo Rep in Connecticut
    I am waiting for the new actuator#AFRB-24
    He did not specify if an Adapter is required340301340311340321
    Supposedly this will fit the existing valve
    The...
  31. Belimo or T.A.C. actuator that uses this type Of Coupling Puictured

    Hello:
    What number in the Belimo Actuator Part Number
    Will specify the Type of direct coupling pictured in the
    Attachment
    We are operating over 45 Belimo valves and
    the Actuator must have...
  32. Replies
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    Heat Timer Replacement

    Can not complain ,One of our Heat Timer Boiler Control, from 1988 ,gave out
    Unfortunately,Heat Timer does not know the meaning of a wholesale price
    I do not want to overload,an already overloaded...
  33. Pulled the unit out of wall today Initially...

    Pulled the unit out of wall today
    Initially compressor would attempt to start
    but would make a grinding noise and cut out
    The threaded grommets that the compressor mounting bolts screw into
    broke...
  34. The kit includes a run capacitor Thanks much...

    The kit includes a run capacitor
    Thanks much ,will go with the hard start device
  35. Start Relay and Start Capacitor for Freidrich

    This new wall unit had the rotary compressor burn out after one year
    Evidently there is an electrical problem.I want to install start gear,Start relay and Start Capacitor,INSTEAD of a off the...
  36. Replies
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    1,410

    External Equalizer Line Ices Up

    10 Ton Scroll Compressor, R-22 AIR Conditioner
    Suction: 51 P.S.I. Discharge: 200 P.S.I.
    Condenser water in :75 Degrees
    Air Temp entering evap coil :74 Deg
    Evap Coil Clean, good air flow across...
  37. Replies
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    491

    Andover Continuum Linking Point

    Can you answer a question fro me, or at
    least point out the part of the Andover Continuum Version 1.74
    help file
    that may contain the answer
    I created a graphic page
    I want to link a non...
  38. Replies
    2
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    692

    Thanks for the E-Mail I forgot about using HVAC...

    Thanks for the E-Mail
    I forgot about using HVAC Pro .Thanks for the refresher
  39. Replies
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    815

    Andover InFinet Thermostat

    Does Andover/ InFinet series produce a Netwoked Thermostat,similar to the Johnson TEC network thermostat
    Want the option of overriding the Stat from the Continuim Gooey
    Need the G, Y, Y1 terminals
  40. Replies
    2
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    692

    Excuse me I am thinking of the Johnson FX...

    Excuse me I am thinking of the Johnson FX controllers
    I want to view how a configuration is operating in real time, with out having to repeatedly open and close the GXTool and open up the Web...
  41. Replies
    2
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    692

    GX Tool simulator

    how do I run the simulation app
    from the Johnson Controls GX commissioning
    tool
  42. Replies
    9
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    618

    Fan Sizing and V.A.V.'s

    A supply air fan , controlled by a Variable Frequency Drive, supplying multiple V.A.V.'s
    If all the V.A.V.'s are 100% open Is the Fan generally Sized so that it will
    operate at Less than 100%...
  43. Replies
    4
    Views
    1,025

    Fan Sizing and V.A.V.'s

    A supply air fan , controlled by a Variable Frequency Drive, supplying multiple V.A.V.'s
    If all the V.A.V.'s are 100% open Is the Fan generally Sized so that it will
    operate at Less than 100%...
  44. Replies
    6
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    1,371

    Java and Niagara

    I notice that Niagara is programmed in what aapears to the Java language
    What type of java is it.It appears a little different ther Basic Jave used to
    return"Hello World".How does Niagara differ...
  45. Replies
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    921

    Air Handler Simulator Graphics

    I want to animate an air handler page for a demonstration.
    A revolving fan, when I adjust a setpoint want a damper to move or a valve to move.
    Will not have Internet access, therefore I cannot...
  46. Replies
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    2,690

    It worked,thank you all Now If I can get them...

    It worked,thank you all
    Now If I can get them to communicate together
  47. alerton vld 362 not communicating with eachother

    Have Two New Alerton VLD 362 Stats ,about 19 feet apart from eachother.not communicating.If we connect both to the RS-485 bus we loose communication with the one that had communication.
    Unplug...
  48. Replies
    3
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    2,690

    It is an Alerton VLD-362

    It is an Alerton VLD-362
  49. Replies
    3
    Views
    2,690

    Alerton Vision Pro Thermostat

    Have an Alerton thermostat that strongly resembles the Honeywell
    Vision Pro series TH8320U1008
    The stat is communicating ,(has MS/TP terminals),with a nearby unit
    It controls cooling ,...
  50. Replies
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    851

    Honeywell Jace Web 201

    I have to go to a site later.
    I do not have the
    AX software with me.
    Can I commission two points .If I am connected to the Jace
    The Johnson FX Master (Tridium) controllers have a limited
    version...
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