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  1. Replies
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    The look of the motor shows it is rather old. I...

    The look of the motor shows it is rather old. I would guess that it is not a NEMA MG-1 Part 31 rasted motor. This means that the max length may be about 125 ft or so. I would highly recomend an...
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    200 - 400 ft vetween the drive and the Motor. I...

    200 - 400 ft vetween the drive and the Motor. I like to talk more with you about that issue....... Could lead to future problems depending on motor specs...

    I am vary familiar with the ACH550...
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    483

    New Website Looks like a Bomb went off.

    What the hell is this site coming to. There are 8 different catagories for one topic. It is getting more difficult everyday to come to this site and read the forums.
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    If you need help please contact me at ABB.

    If you need help please contact me at ABB.
  5. LA Area - ABB Variable Frequency Drive Specialist Wanted

    :.02:
    ABB'S Los Angeles Area Distributor is looking to add to their Technical Force in their office. They currently have 6 different offices located in California and Hawaii and are continueing to...
  6. VFD Speacialists & Service - Sales Opening in LA & Vegas Area.!!

    I am looking for a VFD specialists in the LA area and Las Vegas Area to work for a Local HVAC distributor. The role would be highly focused on VFD service, Start-up, Commisioning & Sales. It is a...
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    As far as the future of the show goes. No one...

    As far as the future of the show goes. No one knows for sure. But JCI has been out for years. Trane and York too..... This was our last year with a booth at the show for ABB. The money spent by...
  8. Thread: VFD TESTING

    by jslimjeff
    Replies
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    1,315

    n measure the DC voltage on teh drive as long as...

    n measure the DC voltage on teh drive as long as the drive does not have a built in brake chopper that prevents access to this. The voltage should be 1.414 times line voltage. With an AC meter it is...
  9. Thread: hitachi vfd

    by jslimjeff
    Replies
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    2,445

    Thanks for bring that up. I will forward your...

    Thanks for bring that up. I will forward your post to that department. This was a big problem and we have made some improvements but we can always do better.

    What area are you in. I can let you...
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    We reccomend that users usa a B&B Electronics USB...

    We reccomend that users usa a B&B Electronics USB to DB9 232 Convertor serial convertor. 232USB9M-LS

    To make it work with DWL consistantly you will need to got to the driver properties under COMM...
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    Emergency shutdoWn, fire dampers or a cooling...

    Emergency shutdoWn, fire dampers or a cooling towert that reqiresd reverse for de ice mode
  12. Thread: AHR Expo

    by jslimjeff
    Replies
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    2,656

    Ill be there working the Bacnet International and...

    Ill be there working the Bacnet International and ABB booth like usual. ABB Hospitality this year is Monday night again. We have rented out Club Rain at the Palms Hotel and Casino. Invite Required....
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    For once I was trying to be politically correct. ...

    For once I was trying to be politically correct.
    LOL
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    You should not need a braking resistor for an...

    You should not need a braking resistor for an HVAC application unless you are trying to shut downthe fan for an emergency event quickly. Goto the parameters and edit the deceleration time for the...
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    The Trane TRD is the same as the Danfoss FC-100...

    The Trane TRD is the same as the Danfoss FC-100 series VFD. A comm loss indicates that it has lost comms with the BAS system. What protocol are you using. It should clear itself after comm's have...
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    Bad

    The Elo-Drive actuators are manufactered and engineered by Ex Belimo Engineers. I met with there US product manager and engineer several times a couple years ago and agreed to try them on a project....
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    Aggree'd I was talking about stand alone...

    Aggree'd I was talking about stand alone operation. Any time you draw a non-linear current yes you will get some form of harmonics on your system.
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    Thats the beauty of Resistive strip heaters....

    Thats the beauty of Resistive strip heaters. Unity Power factor from a non inductive load.
  19. Replies
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    1,536

    A transformer will unfortunatly not give you...

    A transformer will unfortunatly not give you modulating control but staged control for each step that you put a contactor on. Will be big too.

    Let me know where I can buy a 20 -40 KW light Bulb...
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    Yes it will work and you will not do it. A VFD...

    Yes it will work and you will not do it.
    A VFD made today is nothing more than a voltage source device which varies freq and voltage. The amps will varry based on the resistors impedance...
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    The bearing issue mentioned is a totally...

    The bearing issue mentioned is a totally different phenomanon. There is not allot known yet by it in order to prevent it of fix it on the drive level. The best advice is to install Aejis shaft...
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    Couple Helpful pointers.

    Well I can try to help you out as I am a Engineer for ABB at the factory.

    First one thing caught my eye that several mentioned is Harmonics. This is not entirly true with what was being said....
  23. Replies
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    Just a helpful pointer. Megging a motor and/or...

    Just a helpful pointer. Megging a motor and/or leads for a VFD use is pretty much useless. Typical meggers are 500-1000 Vmeters. The VFD will produce up to 1500 volts on the leads and windings of the...
  24. Thread: hitachi vfd

    by jslimjeff
    Replies
    14
    Views
    2,445

    Yeah that was a stupid ????

    Yeah that was a stupid ????
  25. Thread: hitachi vfd

    by jslimjeff
    Replies
    14
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    2,445

    When it comes to drives. COmpare the components...

    When it comes to drives. COmpare the components inside them.

    DO they have a reactor??

    Yaskawa No unless you order
    Cutler Hammer Yes 3% Only
    Square D No unless you order
    ABB Yes 5%
    Danfoss...
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