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Type: Posts; User: bradgreen80

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  1. Controls Programmers and Developers Needed - DALLAS TX

    Hello.

    My company is seeking experienced Niagara Programmers and Developers. I have attached two pdf job descriptions. Feel free to private message me or send an email to careers@nexrev.com if you...
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    I don't know where to purchase them, but I work...

    I don't know where to purchase them, but I work for Novar, so I can tell you the sensor range is -40 to 120 (4-20mA) and the digital sensor is just set to trip at 100 footcandles. The old pulse type...
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    768

    Novar used three types of OAT sensors. Depending...

    Novar used three types of OAT sensors. Depending on the vintage will determine the sensor you have. It will either be; digital, pulse, or 4-20mA. You can also check in ESS for the global input...
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    518

    I do not have any information on the system it is...

    I do not have any information on the system it is running. Is there a way that I can tell from the installed date? I do not have access to the system remotely.
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    ALC to Jace201

    I am looking to integrate a existing ALC system into a Jace 201 NiagaraAX system. The actual system installed is LGE, which is a rebranded verision of ALC. They are using M-Line and S-Line...
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    36
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    2,513

    I have been doing energy savings estimation for...

    I have been doing energy savings estimation for about 3 years now and have used Trace, Carrier HAP, eQuest, MarketManager, and others. It all depends what the task is at hand on which one really fits...
  7. Ice on the indoor coil while in Cooling mode is...

    Ice on the indoor coil while in Cooling mode is an indication of poor heat transfer acrosss the low side coil, among other things. Make sure your filter is clean and you are getting plenty airflow...
  8. Thread: Jace 201

    by bradgreen80
    Replies
    2
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    538

    Jace 201

    Does anyone have any experience with the Tridium Jace 201, and if so do they have any reliability issues, and if so what are they.

    Thanks in advance
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    3
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    1,425

    The Novar comm is landed to the Lennox TB in the...

    The Novar comm is landed to the Lennox TB in the L-Seris units. Landings are as follows. (+) to TB-8, (SHLD) to TB-3, (-) to TB-2. If you plan on using a Novar zone sensor as compared to the...
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    Thanks for all the input on this issue. Your...

    Thanks for all the input on this issue. Your help and comments are appreciated.
    Again, thank you.
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    1,794

    Has anyone migrated a existing Staefa control...

    Has anyone migrated a existing Staefa control system using MS-1800 NCRS controllers at the server level to interface with the newer Staefa Talon software packages? Also, has anyone tried to...
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    2
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    631

    To my knowledge there is no hard fast formula for...

    To my knowledge there is no hard fast formula for this. You might want to use ASHRAE manuals for venting to see what the CFM requirements are. The sizing of the duct can be determined by Q=A*V. If...
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    If USPS is hiring a company to dispose of the...

    If USPS is hiring a company to dispose of the unit in question. Then the HVAC contractor doing the disposal should be responsible for the evac. not you if you work for USPS.
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    Mod.# 50RHC060SCC60130 This is a two stage...

    Mod.# 50RHC060SCC60130

    This is a two stage heat pump with "O" terminals on the two circut boards. I went to the carrier website and since this is a new product they do not have wiring diagrams. ...
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    774

    The noise that can be heard in the space is most...

    The noise that can be heard in the space is most likely from how the ductwork is run. The frequency waves carry directly down through the T in the supply directly into the space. To verify that...
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