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Type: Posts; User: gillmanjr

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  1. Replies
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    I suppose thats a possibility. One of them may...

    I suppose thats a possibility. One of them may have been failed all of last winter and I may just not have noticed, because most likely both zones would be always calling for heat at the same time.
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    I considered that, but if one of the valve motors...

    I considered that, but if one of the valve motors failed the pump will just sit there and dead head. And it would likely happen at night when we are sleeping. Thats not the way its suppose to be...
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    I have confirmed that there is 24V at the...

    I have confirmed that there is 24V at the transformer, and the valves are opening. I tested continuity at the red wires with the valves energized and did not have it. I also pressed the end switch...
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    Did a little more research online and discovered...

    Did a little more research online and discovered that these Honeywell valves have end switches that, when the valve reaches full open, it closes the Aux circuit. So that is the problem I am having...
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    Guys I could really use some help. Now I'm...

    Guys I could really use some help. Now I'm confused, the problem is not with the relay, I shorted the 24V system in the relay and it works perfectly. Can someone just answer a general question for...
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    I have enough information to make a reasonable...

    I have enough information to make a reasonable assumption that the relay is shot, and I've already ordered a new one. Its a Honeywell RA89A by the way. The only way I could make absolutely sure...
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    Help with heating control issue

    Hello guys. I work in commercial HVAC systems and controls and I discovered an issue this morning with my home heating system. A quick background of the system: I use my domestic hot water heater...
  8. Thread: Feasibility

    by gillmanjr
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    3,268

    Go on the website for McQuay (www.mcquay.com) and...

    Go on the website for McQuay (www.mcquay.com) and the website for Florida Heat Pumps (http://www.fhp-mfg.com/). There are many resources and manuals available on those sites. If you call one of...
  9. Thread: Thermography

    by gillmanjr
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    Thermography

    I was curious if anyone on the website is a professional/certified thermographer or just experienced with using thermal imaging equipment for troubleshooting and/or maintenance.

    My company is...
  10. Thread: Feasibility

    by gillmanjr
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    I can't answer that for you - I work in New York....

    I can't answer that for you - I work in New York. I'm sure you can find someone who can do it, just realize that you're going to need to make sure you'll have sufficient heating and cooling capacity...
  11. Thread: Feasibility

    by gillmanjr
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    Given your location and climate fluctuation I...

    Given your location and climate fluctuation I would say that a ground water system is DEFINATELY the way to go. It would reduce your monthly energy bills by a LOT, probably more than 50% less than...
  12. Thread: Feasibility

    by gillmanjr
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    OK then you have MANY options available to you. ...

    OK then you have MANY options available to you. Given that you want to maintain the architectural integrity of the building you probably will not be able to install any fan coil units or heat pumps...
  13. Thread: Feasibility

    by gillmanjr
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    3,268

    Your question is confusing - you are asking if...

    Your question is confusing - you are asking if there is a more efficient way to COOL the building and yet you are talking about boilers and steam lines/radiators. The steam and radiators are used...
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    MERV 13 fan coil unit...

    A couple questions:

    1. Does anyone know of any NON-ducted fan coil units with an option for MERV 13 rated filters? I found a vertical stack unit by Greenheck but thats the only one I could...
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    We do HVAC, boiler, emergency generator, and...

    We do HVAC, boiler, emergency generator, and electrical testing and inspections for LEED certifications and we're hired to make sure no mistakes were made by the contractor or the design engineers...
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    wanted to introduce myself

    Hello everyone, I recently started a new career with a commercial HVAC commissioning services group and I just wanted to say hello. I will probably be on occasionally time to time and as I learn...
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