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Type: Posts; User: hvac spec nv

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  1. Replies
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    We are at the correct versions. When we...

    We are at the correct versions.

    When we replaced the NIE and downloaded the database to it that's when we got the two images but one of the images worked properly just a nuisance of having two....
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    The NIE was the site director 6 years ago. At...

    The NIE was the site director 6 years ago. At that time we installed an ADX server and it became the new site director.

    Our system consists of one ADX server, seven NIE's, and 22 NAE's. The...
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    We do have a dedicated server for the ADX and...

    We do have a dedicated server for the ADX and multiple NAE's / NIE's on our network.
  4. Replies
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    1,168

    Johnson NAE / NIE55 Issues SOS SOS SOS

    We have a large facility with several NAE's & NIE's on our network. Recently we lost an NIE and replaced it. we deleted the old one and added the new one. The problems are;

    1. There is a ghost of...
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    Keepyoucool@))#

    Keepyoucool2003,
    Your the one that told me I had my head up my rear & wondered if we had anything better to do.
    What the installer calls the unit everyday when he's strapping on his tools makes no...
  6. Replies
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    Reply to keep you cool 2003

    This reply is for "keepyoucool2003".
    We are responsible for HVAC maintenance at a large University.
    We have 90 commercial buildings under our responsibility. We use a computerized asset managment...
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    2,917

    MAU or 100% OA UNIT ???????????????

    There has been an ongoing debate between an HVAC tech. & a Johnson Controls tech., regarding the terminology of a rooftop package unit that uses 100% OA with no return air opening available it...
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    I was hoping these filters were disposable, I'll...

    I was hoping these filters were disposable, I'll have to check into the cleaning issues.

    Thanks
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    The cost is comparable to bag filters, although I...

    The cost is comparable to bag filters, although I haven't actually priced them.

    At the heart of the StrionAir system is an ionization array that applies an electrical charge to particles as they...
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    strion air filters

    The air to the Vav's is only filtered at the main air handlers. The "Strion 95%" air filters claim to only have a .04" initial resistance, That's equal to a standard 50% filter. So the energy payback...
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    Strion Air Filters

    Hello,

    Does anyone have any experience with Strion 95% air filters? I did a little research & it seems like a good product.
    The architect is specifying these filters in the next two large...
  12. Replies
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    Thanks for the input. I'm having some water...

    Thanks for the input.
    I'm having some water samples from the closed loop analyzed & I'll be on the look out for detiorating rubber in those samples.
    I'll let you guys know what the results were.
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    The cooling tower is a seperate loop then the...

    The cooling tower is a seperate loop then the water source heat pump loop. Again, the water tested in the closed loop system appears to be clear. But the suspected "mud" is found only at the...
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    Demudding a heat pump loop

    Hello,
    We have a water source heat pump loop with a cooling tower, flat plate & boiler tied into the system. There are about 40 heat pumps on this system abuot twenty years old. Currently were using...
  15. Replies
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    1,598

    I would go with a Liebert split system. You will...

    I would go with a Liebert split system. You will need a place to set an air cooled condenser and run refrigerant lines + power to it.
    Have a heat load calc done and I would reccomend installing a...
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    861

    Thanks for the reply, that was very easy to...

    Thanks for the reply, that was very easy to understand the way you put it.
  17. Replies
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    861

    Dry Contact

    What is your best definition of a dry contact.
    It seems like there is as many different answers as there are dry contacts out there.
  18. Replies
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    1,474

    The primary functions of air filters are 1- to...

    The primary functions of air filters are 1- to protect your coils
    2- to improve indoor air quality
    ...
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    glycol info

    Thanks for the info, I'm going to look into that solution to find capacity .
  20. Replies
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    Why cant the condenser be placed at a remote...

    Why cant the condenser be placed at a remote location? It seems like you have room to duct the condenser heat out of the room.
    Wouldn't a couple of refrigerant lines also fit?
  21. Replies
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    We have a HHW system that has lost approximatley...

    We have a HHW system that has lost approximatley half of it's glycol due to a leak. Without draining and replacing the entire system is there anyway to figure how many gallons this system holds? ...
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