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  1. Replies
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    if you have devices sharing the same 24V power,...

    if you have devices sharing the same 24V power, try making sure they are all wired to the same terminals and not crossed.

    read the install manual for device and follow it.

    hope this might...
  2. Replies
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    2,216

    what i didnt mention was there is a return air...

    what i didnt mention was there is a return air fan, its speed tracks with the supply air fan.

    There is a sensor that measures the building floor static so if required the return fan speed can be...
  3. Replies
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    2,216

    Ok for clarity, I set up the system to maintain...

    Ok for clarity, I set up the system to maintain the "design" outside air quantity (6 or so VAV airhandlers each doing 6000 to 8000 l/s of outside air ...oh sorry i live in the si/metric world :)),...
  4. Replies
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    2,216

    How to calc flow from PD across damper?

    Hi All

    I have an application where I have a fully open outside air damper and a pressure sensor accross it so we can maintain or adjust as required the outside air flow rate by controlling the...
  5. Replies
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    2,365

    dont forget to upload the min max settings into...

    dont forget to upload the min max settings into your care database if they are changed using rapidbalance...the balancing parameters stay in the controller if you re commission the vav
  6. Replies
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    1,703

    I've done this a few times...cool call starts...

    I've done this a few times...cool call starts chilled water pump...system dif pressure set point at minimum...chilled water flow rate through chiller at minimum...

    if chilled water valves in filed...
  7. Thread: Optimal Start

    by mandrake
    Replies
    3
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    649

    i do it like this... look at perimeter zone...

    i do it like this...

    look at perimeter zone temp averages...if its summer or cooling season then try to work out how the plant can start earlier the get the space temps within "limits" by...
  8. Replies
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    any one know how to import a Lon device into e...

    any one know how to import a Lon device into e vision that is not stock standard? say a third party device?..I tried in the past but could never seem to get it to import the xif file etc...
  9. you ought to disconnect the good hard drive and...

    you ought to disconnect the good hard drive and make sure your image works onto a new drive...no point having an image that fails to restore when you need it!

    you should copy the data folder, run...
  10. Doubt you will get it to work...not suported. get...

    Doubt you will get it to work...not suported. get pcc10, at least it now works with rapid balance.

    the whole e-vision - zone manager - care - thing is a cumbersome piece of crud
  11. Replies
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    Getting the dewpoint value is no problem from...

    Getting the dewpoint value is no problem from temp/rh, so what do i do with the dewpoint value? control supply air dewpoint? Room dewpoint? Not sure how to go about programming the control loop...
    ...
  12. Replies
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    Dewpoint Control of AHU?

    Hi All,

    I have a job coming up where we need to control the space humidity and temp in a library, we will have humidifiers and remove moisture from air by opening the cooling valve and reheating...
  13. Replies
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    1,081

    you prolly had EBI on the machine, if there are...

    you prolly had EBI on the machine, if there are no backups of displays and databases your screwed. If you have these and the customer has a legitimate license, i'm sure honeywell would sell you the...
  14. Replies
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    671

    occ scheduling should be stock standard feature,...

    occ scheduling should be stock standard feature, seen it on all jobs i've looked after.

    you best google up or search customer.honeywell.com site for the pdf and have a read.
  15. Replies
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    3,420

    well i run e-vision on a d630 on XP (with care 7...

    well i run e-vision on a d630 on XP (with care 7 etc) with pcmia card with no issues,(used it a LOT) so its possible (except the usual crap with e-vision) Previously i had dual boot with 98 on a D600...
  16. Replies
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    3,420

    just copy the honeywell.ini file into the windows...

    just copy the honeywell.ini file into the windows folder manually from your old machine to the new one.
  17. Replies
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    670

    it looks like a safety thermostat of some...

    it looks like a safety thermostat of some kind...doesn't even look like it's making proper contact with the pipe

    you need to give some more info...ie what make unit etc
  18. Replies
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    just an idea but if it where me and keeping your...

    just an idea but if it where me and keeping your budget in mind, i would replace 3 other VAV's with series 2 and then use a cbus controller with lon capability to get the point data onto the cbus...
  19. Thread: Care 2.02

    by mandrake
    Replies
    3
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    478

    care 2.02 was the first version after they done...

    care 2.02 was the first version after they done away with the parallel port dongle, from memory you get a floppy disk that you transfer the license onto the machine you want to use it on when you buy...
  20. Replies
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    628

    you probably need a conversion table in lonworks...

    you probably need a conversion table in lonworks side

    -164 = 0
    164 = 10

    then 0 to 10 is your input characteristic in care side so

    0 = -164
    10 = 164
  21. Thread: DP sensor

    by mandrake
    Replies
    7
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    661

    mamac arnt to bad

    mamac arnt to bad
  22. Replies
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    1,224

    here are the steps, ignore the crap if you...

    here are the steps, ignore the crap if you already have completed project files


    CARE/E-VISION OVERVIEW

    CARE

    • Restore Plants
    • Time Schedules
    • Control Loops
  23. rody, if you have zone managers on the site...

    rody,

    if you have zone managers on the site you will need e-vision simple as that, you can translate a zone manager with care 7 but to update the translated files etc you need e-vision.

    care...
  24. i do everything i need in XP, saying that I...

    i do everything i need in XP, saying that I understand XP doesnt/isn't supported so I have a win 98 virtual machine in case.

    in short what i do is,

    translate care, run expev.exe in care root(do...
  25. no idea what your saying/asking...and no detail ...

    no idea what your saying/asking...and no detail

    saying that putting plant on roof is good, no need to run cw pipes up the building, pumps can be smaller, no need for mechanical ventilation etc...
  26. Replies
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    612

    i always thought that cooling tower fan motors...

    i always thought that cooling tower fan motors are sealed against moisture etc and at the top (assuming the motor shaft is at pointing up) there is a seal to stop moisture/water entering the motor....
  27. Thread: HW Live Care

    by mandrake
    Replies
    5
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    618

    you don't have to reboot, just go to task...

    you don't have to reboot, just go to task manager, go to process tab and kill "care.exe"...then restart care

    when live care doesnt come up, make sure it isn't running on task bar and/or in task...
  28. Replies
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    propaby the way it should be done is reset the...

    propaby the way it should be done is reset the static setpoint on VAV damper position (assuming pressure independant) , ie if the selected VAV dampers are less than 50 - 70 % lower the setpoint...
  29. Replies
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    704

    wow! I worked on a few multistacks 15 years ago,...

    wow! I worked on a few multistacks 15 years ago, they where rubbish back then...surley they are better now!
  30. Replies
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    810

    you ought to flash the application to flash...

    you ought to flash the application to flash memory, especially if you don't have the project backup
  31. E-Vision and U10 USB Network Interface not working?

    hi all,

    Does anyone know how to get this Lon USB interface (U10) for lon/e-bus to work with E-Vision and even rapid balance?

    Works ok with Care 7 but thats about it from what I can see.

    I...
  32. I had this issue recently. I did the whole...

    I had this issue recently. I did the whole restore and attempt to upgrade but I got some error messages. I got a database for an abandoned CARE 2.01 building all I have is the PJT. I attempted to...
  33. Thread: contols ???

    by mandrake
    Replies
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    1,181

    If you are genuinly interested in controls you...

    If you are genuinly interested in controls you have a good background. assuming you get the position, it shouldn't matter on the manufacturer they all have thier pro's and cons.

    when you get to...
  34. Replies
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    3,206

    i have tested a number of applications running a...

    i have tested a number of applications running a virtual machine in windows vista, ie. VMware (i think the microsoft version of Virtual PC is free)

    so if your stuck and you want to use vista, you...
  35. Replies
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    i like the torch type (one with sniffer tube) and...

    i like the torch type (one with sniffer tube) and bubbles for locating tiny leaks. (im a bit old school:))

    does anyone still use those ultraviolet dyes? you used to inject the dye in the system...
  36. Replies
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    890

    if i was you... i would read this doco and...

    if i was you...

    i would read this doco and follow every step to the letter,

    the main focus would be imo

    wiring
    voltages
    excessive hunting of control signal
  37. Thread: moisture

    by mandrake
    Replies
    3
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    725

    dewpoint...

    dewpoint...
  38. Replies
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    750

    going on the info you provided,...open the...

    going on the info you provided,...open the windows on east and west...
  39. Replies
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    1,482

    ahahahahaha well picked up... there is a fair...

    ahahahahaha well picked up...

    there is a fair bit of that here, nothing wrong with that i guess.

    I always have had the opinion you should be honest with your customers, i find they then warm to...
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    if i where you I would take a sample and take it...

    if i where you I would take a sample and take it to a specialist in this field. he can then tell you what the problem is and how to cure it
  41. Thread: HVAC Controls

    by mandrake
    Replies
    15
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    1,938

    In my opinion who gets sold a plc to do control...

    In my opinion who gets sold a plc to do control in havc is getting screwed, reason is how many hvac guys know how to program one up? let alone support it when the origional installer has long gone.
    ...
  42. Replies
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    1,482

    perhaps you can seal it with somthing like a...

    perhaps you can seal it with somthing like a polyurethane or fiberglass insert. you pour or paint it in the tray and shape it if you have access under the coil etc.

    i guess you need somthing that...
  43. Thread: mitsubishi

    by mandrake
    Replies
    4
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    749

    http://216.15.207.124/pdfs/MrSlim_P-SERIES_Trouble...

    http://216.15.207.124/pdfs/MrSlim_P-SERIES_Troubleshooting_TIPS.pdf

    took 5 seconds to search in google,

    you must be some kind of newbie to the internet....did you know it is considered...
  44. Replies
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    688

    could me moisture too, maybe you can pump it down...

    could me moisture too, maybe you can pump it down and put a sight galss with a moisture indicator to check?
  45. Thread: Hotel DDC

    by mandrake
    Replies
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    1,236

    all good ideas, but i doubt your ever going to...

    all good ideas, but i doubt your ever going to get an order to do wholesale changes to an existing system just for energy savings in the hotel world.

    for example your idea of a damper in each room...
  46. Thread: Hotel DDC

    by mandrake
    Replies
    10
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    1,236

    i have never seen anything like that nor heard of...

    i have never seen anything like that nor heard of it in a hotel situation. whenever i have promoted the idea in a 5 star hotel i'm told it isnt acceptable for people to walk into a room that is cold...
  47. Replies
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    9,037

    every building is diffrent and has its own...

    every building is diffrent and has its own characteristics.

    i have a problem with a 27 floor vav building, 3 main ahus on roof and 3 in basement, 3 main supply risers fed top and bottom and 2...
  48. Replies
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    864

    I haven't used a dial guage for 10 years,over...

    I haven't used a dial guage for 10 years,over here in aussie, most of the larger companies I have anything to do with,get a subcontractor to line them up with a laser,(that includes open drive...
  49. Replies
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    1,763

    i look after a site where the return fan speed is...

    i look after a site where the return fan speed is hard to control, especially when its windy, the floors become over pressurised and lift doors get stuck etc. the fan speed is controlled by a...
  50. Replies
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    how hard would it be to run just one compressor...

    how hard would it be to run just one compressor and see if the right liquid line is connected to the correct suction line?
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