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Type: Posts; User: jrick212

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  1. Replies
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    oh and my traps are about 8 1/2" deep.

    oh and my traps are about 8 1/2" deep.
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    I'm still waiting on the qualified people to show...

    I'm still waiting on the qualified people to show up since the local Johnson tech isn't available until next wednesday.

    as far as the questions go....ask and ye shall receive....

    The mags...
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    any ideas? I'm stumped and so is everyone I've...

    any ideas? I'm stumped and so is everyone I've called in the industry as well.

    They all tell me to make sure my traps are primed and my lines are clean which they both are.
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    Flood in Air Handler

    We have been having a spell of rainy humid weather here in the northeast and I came in this morning to find my Haakon AHU with about 4" of water throughout the bottom of the air handler.

    I have 2...
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    Thanks guys. That was it.

    Thanks guys. That was it.
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    413

    gx9100 saveing question

    First off let me just say that I know nothing about JCI hardware or software. I have no formal training and I am just stumbling my way through this.

    I have a large number of dx-9100s and VMA...
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    Manually Configure DX-9100

    Is there a way to configure analog inputs directly on the DX-9100 without having to use a computer and software interface?

    The situation I am having is that I have a SETRA pressure differential...
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    Humidifier is adding steam.

    Humidifier is adding steam.
  9. Replies
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    Fixed setpoint of 55F

    Fixed setpoint of 55F
  10. Replies
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    It increases to approximately 62-64 degrees

    It increases to approximately 62-64 degrees
  11. Replies
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    Thank you all for your help and input.....I am...

    Thank you all for your help and input.....I am sorry I am not more savvy with this.

    Basically the story goes, a long time ago in a galaxy far far away before I worked here, there used to be a...
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    I have released the override on the cooling valve...

    I have released the override on the cooling valve and currently my dishcharge air setpoint is staying right around 68.

    Humidity is starting to creep up and hopefully once it hits my humidity...
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    I agree that the the cooling and humidity are in...

    I agree that the the cooling and humidity are in a neverending battle, however I did release my cooling valve override and lower my return air humidity setpoint to 20% and it still would not open my...
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    1. No it will keep climbing past 60. 2. Return...

    1. No it will keep climbing past 60.

    2. Return air temp only increases about 1-2 degrees

    3. I was getting an alarm: dishcharge air temp setpoint high alarm. The dishcharge air temp was going...
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    I recently just brought this system back up from...

    I recently just brought this system back up from a extended shutdown which began prior to my employment here.

    When I first brought it up everything seemed to be working and a short while later I...
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    I will see what I can do about getting a sequence...

    I will see what I can do about getting a sequence of operations.

    To answer your questions there is no economizer. This AHU supplies a clean room and there is no RA exhausted outside. Everything...
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    Where do I access the sequence?

    Where do I access the sequence?
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    I released my operator override and commanded the...

    I released my operator override and commanded the OA-Damper 100% open to see if that would be enough to keep the supply air temp at my 55F setpoint, but the temperature still creeps because it mixes...
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    Chewlak: It is a DX9100. Froz: Even if the...

    Chewlak: It is a DX9100.

    Froz: Even if the heating coil was passing a little bit shouldn't the controller step in and command the cooling valve open to compensate? I am getting 0% off the cooling...
  20. Replies
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    JCI Metasys / Discharge air temp problem

    I am in charge of a smaller facility with a JCI metasys system controlling the HVAC.

    I have an air handler with cooling and heating coils fed from a mcquay rooftop chiller and a Burnam boiler.
    ...
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    ok thanks for the tip....moving over there.

    ok thanks for the tip....moving over there.
  22. Replies
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    JCI Metasys / Discharge air temp problem

    I am in charge of a smaller facility with a JCI metasys system controlling the HVAC.

    I have an air handler with cooling and heating coils fed from a mcquay rooftop chiller and a Burnam boiler.
    ...
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