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  1. #1
    Join Date
    Feb 2011
    Location
    Southern Indiana
    Posts
    22

    Honeywell Whle hose humidifier not working

    Recently installed a Honeywell H260Ewhole house bypassHumidifier
    Heat pump, using the sail switch, mounted on the cold air return, mounted the humiditat there also. Cant seem to get above 35% humidity.
    Has been very cold here around 20.
    Have the saddle valve nearly off, but can see a steady stream of water when the solenoid kicks in. taken the cover off and the "biscuit" is nice and saturated, plenty of warm air blowing over it. At a loss here, any help would be appreciated.

  2. #2
    Join Date
    Jun 2003
    Location
    Madison, WI/Cape Coral, FL
    Posts
    6,470
    Raising you humidity above 35%RH is risky. At 68^F, 35%RH has a 40^F dew point. The risk is condensation in hidden surfaces that are cold and exposed to the exiting high dew point air.
    To increase the moisture levels, constant air flow through the humidifier is important. The increasing the volume of the air and the temp of the air/water increase the evaporation rate. This uses large amounts of energy. Decreasing the amount of dry outside air flowing through the home also increase the %RH in the home. All homes need an air change in 5-6 hours to purge to the indoor pollutants and renew oxygen. With less than four occupants in +2,500 sqft., humidification may be needed in a properly ventilated home to maintain 35%RH.
    Minimal humidification is best and you get used to it.
    Regards TB
    Last edited by teddy bear; 02-10-2011 at 10:04 AM. Reason: added thought
    Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
    Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
    Use +Merv 10 air filter. -Don't forget the "Golden Rule"

  3. #3
    Join Date
    Feb 2011
    Location
    Southern Indiana
    Posts
    22
    So, you're saying that 35% is desireable?
    I always thought between 40-50% was the target year round.
    pianos, wood floors, etc...do not suffer undue changes at 35%?
    Have the humidifier set at 60%, still wonder why it will not reach above 35%, whether or not we sshould go above that level.


    Thanks for the reply.

  4. #4
    Join Date
    Nov 2010
    Location
    Andover Kansas
    Posts
    2,115
    Around here we set them between 35 and 45% adn don't recommend above that. You are using a sail switch which makes when the fan does...but do you have the fan turned to "On" at the thermostat? And if so, then is there power at the sail switch all the time waiting for the fan to come on or is the sail switch wired to only get power when there is a call for heat?
    .


    The statement below is my signature and just my overall feeling towards our industry and does not necessarily pertain to you nor this thread.


    There really isn't a legitimate excuse for not doing the job correctly!

  5. #5
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,170
    Quote Originally Posted by madgavdad View Post
    So, you're saying that 35% is desireable?
    I always thought between 40-50% was the target year round.
    pianos, wood floors, etc...do not suffer undue changes at 35%?
    Have the humidifier set at 60%, still wonder why it will not reach above 35%, whether or not we sshould go above that level.


    Thanks for the reply.
    As long as it maintains a steady humidity, wood floors pianos etc are generally fine. Its when the humidity is constantly changing that problems arise.

    Not being able to get above 35%, is a good indication that you have a lot of fresh air leaking into your house. Tighten up the house, and your humidity will increase.
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  6. #6
    Join Date
    Feb 2011
    Location
    Southern Indiana
    Posts
    22
    Thanks for the replies,
    just bought the house at the beginning of the year, installed dual pane/low-e/ argon high efficiency windows the same week we moved in (do not reccomend doing that...whew!) need to replace the doors (3 but I did weatherstrip them pretty well after move-in), 2 fireplaces that obviously leak some air, even with the dampers closed (first house with wood-burning fireplaces) so, maybe after the doors are replaced in the spring, might see some difference next winter.....
    Have 2700 sq ft upstairs, then an unfinished basement (all the vents have stayed closed down ther since the move-in)....Maybe I was expecting too much from this unit, just thought if I set it to 50% it would produce at least near 40-50%.

  7. #7
    Join Date
    Feb 2011
    Location
    Southern Indiana
    Posts
    22
    Do not leave the fan in the "on" position, comes on with the heat, but the heat runs quite a bit with single-digit drops around here right now.
    So the sail switch is performing as it should, only coming on with the demand for heat.

  8. #8
    Join Date
    Feb 2011
    Location
    Southern Indiana
    Posts
    22
    What is anyone's take on whole house DE-humidifiers? Necessary or not?
    Have a stand alone one that is higher capacity, should cover the basement quite well in the summer, just wondering if I need to think "Whole house" on that as well. How about any opinions on whole house air cleaners while we are at it? There is an old Carrier electronic air cleaner attached to my cold air return that looks to have been unhooked ( @ the 120v, would be easy to hook back up..) long ago. Any advice/ opinions would be most appreciated.

  9. #9
    Join Date
    Mar 2009
    Location
    Central Ky.
    Posts
    47
    Info I've read about indoor RH
    Outdoor Temp Desired RH
    40 & Above 45%
    30 40%
    20 35%
    10 30%
    0 25%

  10. #10
    Join Date
    Nov 2010
    Location
    Andover Kansas
    Posts
    2,115
    Quote Originally Posted by madgavdad View Post
    Do not leave the fan in the "on" position, comes on with the heat, but the heat runs quite a bit with single-digit drops around here right now.
    So the sail switch is performing as it should, only coming on with the demand for heat.
    Try running the fan in the on position, then the furnace will still come on and go off as needed, but the humidifier will be able to run constant with the fan...then you will be able to see if you can get above 35%. IF the humidistat reaches your desired level, then even though the fan is running...it will turn the water off to it.

    I recommend if you do this to set it for around 40% and see if it reaches it.
    .


    The statement below is my signature and just my overall feeling towards our industry and does not necessarily pertain to you nor this thread.


    There really isn't a legitimate excuse for not doing the job correctly!

  11. #11
    Join Date
    Feb 2011
    Location
    Southern Indiana
    Posts
    22
    Dodge, I've read that also, but don't really understnd it. What should the outside temp have to do with the desired humidity IN the house? Comfort levels with the heat lower are supposed to be more desireable if you have humidity 40+, from my understanding.
    Would relly like some feed back on the air cleaner, does anyone have an opinion as to whether or not to hook it back up? Do they work? should I start a new post for this?

  12. #12
    Join Date
    Feb 2011
    Location
    Southern Indiana
    Posts
    22
    Quote Originally Posted by Tech23 View Post
    Try running the fan in the on position, then the furnace will still come on and go off as needed, but the humidifier will be able to run constant with the fan...then you will be able to see if you can get above 35%. IF the humidistat reaches your desired level, then even though the fan is running...it will turn the water off to it.

    I recommend if you do this to set it for around 40% and see if it reaches it.
    Would running the fan, without the benefit of the warm air blowing over the "biscuit" be beneficial?

  13. #13
    Join Date
    Nov 2010
    Location
    Andover Kansas
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    Quote Originally Posted by madgavdad View Post
    Would running the fan, without the benefit of the warm air blowing over the "biscuit" be beneficial?
    Absolutely...the warm air isn't doing anything for you humidity wise, you just need the wet panel and air moving across it and out into your house. Try it and see what happens to your humidity level.
    .


    The statement below is my signature and just my overall feeling towards our industry and does not necessarily pertain to you nor this thread.


    There really isn't a legitimate excuse for not doing the job correctly!

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