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  1. Replies
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    Thank you.

    Thank you.
  2. Replies
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    I know it was there before,but now i can't locate...

    I know it was there before,but now i can't locate it.
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    Trane Techview

    Does anyone have a link to download Trane techview or able to zip to my e-mail?
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    http://www.act-solutions.com/pdfs/psg/psg_spec.pdf

    http://www.act-solutions.com/pdfs/psg/psg_spec.pdf
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    ditto,not a big chiller guy but appreciate the...

    ditto,not a big chiller guy but appreciate the pics and the no-nonsense posts.
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    582

    ??

    Maybe kill the baseboard heat and use fan-powered boxes with ceiling return air heating?
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    582

    My thoughts were,a dedicated vav box/controller/t...

    My thoughts were,a dedicated vav box/controller/t stat for each new office but what about the shared north wall hw baseboard heat??
    The hw loop temp is reset by outside air temp and this run of...
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    :cool: :mad: Actually it is in a police...

    :cool: :mad: Actually it is in a police station...........so firearms are involved:D :D
  9. Replies
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    one zone is now 5

    I have a post reno problem (hvac was not considered) at a municipal office building,looking for any ideas.JCI metasys system (1989?)

    --one large perimeter zone on the north side,all windows,10...
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    thanx all.

    thanx all.
  11. Replies
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    4,915

    tattle tales

    Can someone explain why they dont work when there is a lockout circuit (lockout relay) ,or when safties go to an electronic board.............having a hard time getting my mind around...
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    I believe txv is closed by evap pressure plus...

    I believe txv is closed by evap pressure plus spring force,opened by tx bulb pressure.So if system has no evap pressure (i.e.-vacuum) tx should be open.Probably are some exceptions.
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    542

    I think the answer is no but is there a way with...

    I think the answer is no but is there a way with a meter to measure the drive signal.I know that if you jumper r-b motor should drive open and r-w should drive motor closed.I have one that i know is...
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    http://www.trane.com/commercial/equipment/pdf_list...

    http://www.trane.com/commercial/equipment/pdf_list.aspx
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    http://www.mcquay.com/McQuay/Literature/Literature...

    http://www.mcquay.com/McQuay/Literature/Literature
    http://www.trane.com/commercial/equipment/pdf_list.aspx
    http://www.engineeredair.com/manuals/manuals.asp...
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    Just finished dealing with the same problem on...

    Just finished dealing with the same problem on same year unit (1992 Trane intellipack 20 ton)The culprit ended up being compressor #2 internal winding t-stat,it would open for a split second...
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    Norm,BTW where do you get the software,the supply...

    Norm,BTW where do you get the software,the supply house? I can't find it on YORK'S site.
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    Great info,many thanxx! :)

    Great info,many thanxx! :)
  19. Replies
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    York DM90 Predator with simplicity board--anyone...

    York DM90 Predator with simplicity board--anyone know how to erase the five stored error codes?
  20. Replies
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    It is a CV unit,building has 4 VAV and 2 CV...

    It is a CV unit,building has 4 VAV and 2 CV intellipack units and a tracer 100 system.All have a TIM module,the VAV units also have W7100 d/a controllers,the CV units have Honeywell W973 modules with...
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    Folks that should play with themselves------not...

    Folks that should play with themselves------not thermostats
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    TIM tracer interface module and a PCM...

    TIM tracer interface module and a PCM programmable control module (tracer 100).Culprit was program setting (for winter).Would the space electronic thermostat (H/W T7067?)be just for stand alone...
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    1)TIM ,your right 2)It looks like it is the...

    1)TIM ,your right
    2)It looks like it is the BAS (tracer)shutting it down,if you pull the communication wiring harness off the module it runs fine.This internal lockout on the TIM is what sends...
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    Trane intellipack 1992 constant volume unit, mod...

    Trane intellipack 1992 constant volume unit, mod #SAHFC20,trane communication interface--the module won't enable mechanical cooling via the W973(open binary output at module),supply fan is operating...
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    1)According to the literature,3 trips within 2...

    1)According to the literature,3 trips within 2 hours of low psi,hpsi,or freeze stat and then that circuit will be locked out,requiring reset.
    2)I think i will replace the cycle switches with another...
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