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  1. My first concern would be moisture control. I am...

    My first concern would be moisture control. I am guessing that the new furnace is direct vented, taking its combustion air from outside. If it is you lost a lot of air exchange in the house. If not...
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    Try disconnecting any actuators from it and see....

    Try disconnecting any actuators from it and see. I had this once and it was a bad actuator.
  3. Thread: i-VU CCN info

    by mbarson
    Replies
    4
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    392

    It's there.

    It's there.
  4. Thread: i-VU CCN info

    by mbarson
    Replies
    4
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    392

    The i-Vu originally came with a documentation CD....

    The i-Vu originally came with a documentation CD. Does your customer have the CD's? What are you integrating, the i-Vu or the CCN bus? Give em a better idea of what you are looking for and I can...
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    I guess I missed the pipe being 3/4". It comes...

    I guess I missed the pipe being 3/4". It comes off the boiler 1" and it looked the same to me on the loop. If it was reduced and the zone piping is smaller than required the installer should correct...
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    I guess we will have to agree to disagree. The...

    I guess we will have to agree to disagree. The system has to piped correctly to even have a chance to work and its not pipe correctly. OP said short cycling and lack of heat to zones, sounds like a...
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    I'm glad it is working. I reserve the memory...

    I'm glad it is working. I reserve the memory erase as the last resort.
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    This may help......

    This may help... http://www.comfort-calc.net/primary-secondary_piping_tutorial.html See drawing #4.
  9. Replies
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    684

    I will send another email. Try to reload the...

    I will send another email. Try to reload the proper app if that does not work you should be able to use the memory erase jumper to clear out whatever is in there and reload with the proper app.
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    email sent. If you have the correct files it...

    email sent. If you have the correct files it should not have given you the warning. Not sure what happened. You can try to reload the app and nxe.
  11. Thread: ice on vinyl

    by mbarson
    Replies
    18
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    1,133

    Turn off your humidifiers. Most modern homes do...

    Turn off your humidifiers. Most modern homes do not need the extra humidity and if they do it is an indication the house needs air sealing. Next the attic picture looks like the insulation is...
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    It looks to me like the T's need to be flipped,...

    It looks to me like the T's need to be flipped, the piping straightened before, after and the and through the T's and the boiler connection going straight down. Possibly a hydrolic separator would...
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    The mini director is just for configuring,...

    The mini director is just for configuring, monitoring, and browsing a controllers that have already been added to the subsystem. Do you or the computer you are using to access the network have...
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    Thank you! So easy but so hard when you just...

    Thank you! So easy but so hard when you just can't find the answer. I am relatively new to AX but would mind sharing how you set up the standard schedule and link it. Thanks again.
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    CCN in AX: Schedule to a Px view

    I have a CCN Network in AX. All is good except I can not figure out how to get the CCN Time Schedule Manager screen as viewed on the CCN Network for the zone controllers to display in a Px view. The...
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    I have had two times that bad actuators for the...

    I have had two times that bad actuators for the baseboard have caused large comm issues. If you have reheat or baseboard actuators connected try removing them from the VAV and see if it helps.
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    The only way to find the problem is to come to...

    The only way to find the problem is to come to the house and do a thorough investigation. What you have is not normal and needs to be remedied for your health and keeping the house from rotting. My...
  18. What type of windows? Brand, casement or D hung,...

    What type of windows? Brand, casement or D hung, low e? If you suspect the moisture is coming from the ground then that should be addressed first. The source of moisture needs to be controlled then...
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    Look up the Minnesota Building Performance...

    Look up the Minnesota Building Performance Association. mbpa.us. I am a member and we have many very smart members who can help you diagnose your problem and come up with a solution. You need someone...
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    I'm glad you don't have a gas water heater. You...

    I'm glad you don't have a gas water heater. You could peel back some duct insulation to see what it looks like on the joints. I would be surprised if it was sealed with mastic. Without being there it...
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    I have to disagree about the dehumidifier being...

    I have to disagree about the dehumidifier being the best option and here is what I believe.

    First HRV or ERV. As stated the effectiveness of the ERV is probably minimal so this is not a concern....
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    9,825

    If the fan is off it won't make a difference. I...

    If the fan is off it won't make a difference. I would unplug it if it were my house, they are not needed. Leaky ducts will cause pressure problems. What kind of water heater do you have?
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    The numbers I come up with making some...

    The numbers I come up with making some assumptions is about .24 ACH. 2400 cfm50 for that size house is not bad. With mechanical ventilation you do not need to worry about too tight of a house except...
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    I use either the Testo 416 mini vane anemometer...

    I use either the Testo 416 mini vane anemometer or I have the Energy Conservatory True Flow plate. Depending on space, duct design or other factors determines what I use. Sometimes both just to be as...
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    1
  26. Many times the duct static is a manual reset. Is...

    Many times the duct static is a manual reset. Is it like this and has it been reset? Also I have seen when fans are shut off on the disconnect (power loss) that the DDC will go to 100%, when you...
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    The house I would build if I could sell my...

    The house I would build if I could sell my existing house has been done and is quite impressive. A superior building shell does not require expensive and complicated heating and cooling systems....
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    Get a thorough whole house energy audit first. By...

    Get a thorough whole house energy audit first. By focusing only on the HVAC you will miss opportunities to improve the homes efficiency, safety, and comfort.
    Insulation along air sealing are first...
  29. Replies
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    13,186

    My post was not meant to talk down to you, hence...

    My post was not meant to talk down to you, hence the problem of communicating over a message board. There is no data provided to make any determination on how this system is operating so it makes it...
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    I would say there is no "normal" only efficient...

    I would say there is no "normal" only efficient and inefficient homes. It sounds like you have answered you own question with low levels of insulation in your home. I think an energy audit would be a...
  31. Replies
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    RoBo, Just because ducts are inside the house...

    RoBo,

    Just because ducts are inside the house does not mean that they can't be connected to the outside, especially when building cavities are used for return paths.

    "Yes, I understand longer...
  32. Replies
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    To date I do not know of any single source for...

    To date I do not know of any single source for the information you seek. Most of what I learned came from NCI's combustion course. When you learn these things and actually start testing furnaces and...
  33. Replies
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    I have found this problem many times and here are...

    I have found this problem many times and here are my thoughts.

    1. Return air leakage. With lower firing inputs the furnace runs longer drawing in more outside air from return leakage decreasing...
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    If your house is reasonably tight you will want...

    If your house is reasonably tight you will want mechanical ventilation. If you are building for Energy Star your rater should be able to tell you this based on the inputs into the rating software....
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    Check this coal boiler...

    Check this coal boiler out...http://www.youtube.com/watch?v=--juG-gudxA

    My brother in law put one in 2 years ago and really likes it. It heats a large out building and the house and hot water...
  36. Thread: XPSI help

    by mbarson
    Replies
    8
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    982

    If you can remove the hard drive from the laptop...

    If you can remove the hard drive from the laptop get an adapter and connect it to a desk top you may be able to see the file to copy it. If not a program like get data back will read the drive if it...
  37. Replies
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    I believe hydro air will be the next big move, it...

    I believe hydro air will be the next big move, it is just now becoming more mainstream. From an systems stand point it is surprising to me all of the fuss and discussion on modulating and multi stage...
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    Thanks. That answers my question. Got a good...

    Thanks. That answers my question. Got a good laugh and I will keep that picture for future reference.
  39. Replies
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    1,195

    Honeywell Spyder

    What is the learning curve on Honeywell's Spyder control line?
    We may be looking at using these controls in the near future with no previous exposure to these controls.
    Thanks for any input.
  40. Replies
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    1,490

    While you concerns are valid I don't know that...

    While you concerns are valid I don't know that hot water is used for drinking. There are ways to set up this systems to avoid long stagnant periods. This is the only source I have seen for the set...
  41. Checking would require taking the current static...

    Checking would require taking the current static pressure and airflow to see if it can move the amount of air needed. Airflow can also be measured at the registers to verify rooms are getting the...
  42. Replies
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    1,490

    It is easy and economical. Use the existing water...

    It is easy and economical. Use the existing water heater, some pex, a small pump, stat, and some baseboard. Electric baseboard you need to have ample electric supply and wiring, might as well use...
  43. Static pressures above .8 and the ECM will use...

    Static pressures above .8 and the ECM will use more power than the standard motor. Ducts should be checked first.
  44. Replies
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    1,490

    Insulation is the first step. Hydronic baseboard...

    Insulation is the first step. Hydronic baseboard to supplement and zone.
  45. Replies
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    19,564

    On can lights don't forget to seal the gap...

    On can lights don't forget to seal the gap between the can and sheet rock. This is often overlooked.
  46. Replies
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    1,612

    skippedover, Have you considered a condensing...

    skippedover,

    Have you considered a condensing water heater like the AO Smith Vertex coupled to a hydronic air handler? This could be vented through the existing vent space and sizing would not be...
  47. Replies
    17
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    1,612

    Did your contractor do a blower door test on the...

    Did your contractor do a blower door test on the house? If not your manual J is still a best guess. Infiltration accounts for a huge part of your energy waste and need to be measured. Manual J has...
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    19,564

    Kirbinster, My interest in the report was to...

    Kirbinster,

    My interest in the report was to see if it contained useful data. Did the report answer your question about how well or not your house is performing? Did you find out why the blower...
  49. Basic formula is output BTU/Hr divided by Watts =...

    Basic formula is output BTU/Hr divided by Watts = EER

    Example Total net BTU is 93,350 BTUH
    Net power 10,740 Watts
    93,350/10,740=8.7 EER (BTU per Watt)

    This a calculation your inspection...
  50. Replies
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    1,442

    I have not seen anywhere that you cannot use...

    I have not seen anywhere that you cannot use insulated flex for a bath fan.
    That is all I would recommend. I don't like metal ducting due to corrosion, condensation, leaks at the seams. BPI has...
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