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Type: Posts; User: Emcorman

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  1. Replies
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    373

    Maybe try a compressor remanufacturer.

    Maybe try a compressor remanufacturer.
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    314

    Did you check the humidity sensor?

    Did you check the humidity sensor?
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    683

    If they have reliatel controls then yes, if they...

    If they have reliatel controls then yes, if they are older vintage they must have a cti board installed.
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    393

    Niagra to comm 4 integration

    Good morning, was wondering if anyone has ever ran into this problem we are having with a comm 4 integration, this facility has several Voyager RTUs with TCI boards installed tied into our jace we...
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    468

    Thats the wrong zone sensor for that control,...

    Thats the wrong zone sensor for that control, call Trane parts with serial # and get the correct sensor.
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    486

    Carrier FE4 AHU

    I have a carrier FE4 ahu that I installed at my sisters house about 7 years ago and today she called with no air, its a infinity zone system, the module is not communicating, its a P# hk38ea0123810,...
  7. Replace the scm.

    Replace the scm.
  8. Replies
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    1,247

    U should be able to isolate the purge unit from...

    U should be able to isolate the purge unit from the chiller. Email me if _u need some help.
  9. Replies
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    1,247

    You can remove it and inspect the float to...

    You can remove it and inspect the float to determine what is causing it to stick.can u see the chamber full of liquid? What city are u in?
  10. Replies
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    1,247

    Is it pumping out? Its supposed to run the...

    Is it pumping out? Its supposed to run the pumpout until the chamber fills with liquid or times out. May have clogged drier or orface or stuck float.
  11. Replies
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    1,856

    What is it cycling on and off on? Is it...

    What is it cycling on and off on? Is it bypassing when off. Is it an 06e
  12. Replies
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    940

    I have tried to restart, changed baud rate to...

    I have tried to restart, changed baud rate to 1200 on port setting, nothing seems to work, read on older post that cablepro only works with win 98, my version of hvac pro is 7.03, thanks for the help.
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    940

    HVAC pro with win 2k

    I'm trying to upload a unt using hvac pro version 7.03 with a old style cablepro 2(white box) using serial port on my computer through the zone bus, keep getting comm errors of comm port being used...
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    671

    Thanks for the help, I will see about that...

    Thanks for the help, I will see about that offset .
  15. Replies
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    671

    Humidity sensor problem

    I have a airhandler that the return air humidity sensor is reading incorrectly, I checked it against a calabrated instrument, about 30% off.
    Replaced sensor, same results, Dx9100 controller, AI...
  16. Replies
    4
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    1,194

    Chiller plant control

    Hello, I have a job with 2 trane rtwa upc2 chillers, they have a bcu with a touch screen that tells all points ect, do I need summit to edit the bcu? I can't get the chillers to rotate on a...
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    1,982

    Sound like you have a bad txv, suction super heat...

    Sound like you have a bad txv, suction super heat should run around 12*, although that shouldn't cause the hp switch to tripp. I would replace the txv and drier and weigh in the charge and see where...
  18. Replies
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    1,129

    Thanks for the help,I checked the actual supply...

    Thanks for the help,I checked the actual supply duct pressure and it was below .25", Turned out that when they had installed their new floors they didn't cut out enough around the returns thus...
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    1,129

    Carrier Infinity question

    I just installed a 48xt-060 hybrid packaged unit in a friend house, during the setup process the static check said the pressure was too high, need to modify ductwork or replace filter. When the unit...
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    2,297

    Does this unit have a discharge air control...

    Does this unit have a discharge air control module? (RTAM) if so check the settings on it, and sensors connected. You said it was vav application.
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    After I change the high limit range in the field...

    After I change the high limit range in the field service mode it will raise the limit for about 5 minutes after I exit the service mode. Thanks for the help.
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    721

    Alerton vav tux question

    I have a microset that the highest setpoint is 74, they want it to go up to 76, in the field service mode I can change it to 76, but after about 5 minutes it goes back to 74, in the book it...
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    713

    10 4 I do in south Carolina.

    10 4 I do in south Carolina.
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    7
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    713

    Trane Every Ware Service Tool

    I got a new job with a lot of older Trane AHUs with terminal unit controllers, (stand alone) when reading the IOM it says to establish comm with every ware service tool, My question is did rover...
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    689

    UPC-2 Control question

    Is it possible to reset the start and hour counter without replacing the 1u1 module? Just replaced a compressor and the customer wants the hours reset.
    I know I read something about this somewhere...
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