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high humidity with newly installed system

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high humidity with newly installed system that guy 08-30-2006
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Posted by that guy on August 30, 2006, 3:33 pm
I recently had a geo comfort pardyne system installed. i have 3 ton
horizontol loop field with a 2.5 ton paradyne system.

i have air handler in attic (no basement) with everything insulated.

my issue is that my weather station in my house shows R.H. from 53-65%.
I complained to the installer and he had the supply rep come out to my
house with him and they went over everything.

I am getting some condensate from the drain, but not sure how much
itshould be. the thing cools great no problems. the unit is now short
cycling. I checked the coil and there is no air bypassing around the
coil, and even thought the istallers left some blown fiber glass
insulation in duct there was VERY little on coil.

the supply rep tells me that the "TXV" valve is always trying to
balance the freon and where you used to get 20 degree temp drop across
the coil you now get more like 14 degrees and so just can't de-humidify
like the old a/c systems.

he says I should not worry about the R.H., his instruments show it was
around 54%.

I have not paid the installer yet because of this and want to pay if I
should but don't want to if something needs to be fixed because I will
not have a "carrot" then.

I've read where humidty levels above 50% can lead to mold, dust mite
issues, etc. am I just being paranoid and should pay?


Posted by Bob Pietrangelo on August 31, 2006, 3:55 pm

>I recently had a geo comfort pardyne system installed. i have 3 ton
> horizontol loop field with a 2.5 ton paradyne system.

GeoComfort doesn't make a Paradyne Unit
http://www.geocomfort.com/?page=Products/Residential_Products/index
>
> i have air handler in attic (no basement) with everything insulated.
>
> my issue is that my weather station in my house shows R.H. from 53-65%.
> I complained to the installer and he had the supply rep come out to my
> house with him and they went over everything.

What are all the readings ask for them so you can post them. Water In temp
and #, water out temp and #, all pressures and temps of refrigerant and
lines,

What is the real Brand and model of Geo unit.

>
> I am getting some condensate from the drain, but not sure how much
> itshould be. the thing cools great no problems. the unit is now short
> cycling. I checked the coil and there is no air bypassing around the
> coil, and even thought the istallers left some blown fiber glass
> insulation in duct there was VERY little on coil.
>
> the supply rep tells me that the "TXV" valve is always trying to
> balance the freon and where you used to get 20 degree temp drop across
> the coil you now get more like 14 degrees and so just can't de-humidify
> like the old a/c systems.
>
> he says I should not worry about the R.H., his instruments show it was
> around 54%.

What is the OD temp, Rh, and what is the ID temp, what is thermostat set at?
Do you have a copy of the load calculation.

Was your system designed for heating or cooling capacity. If sized for
heating, is it a 2 stage unit?

>
> I have not paid the installer yet because of this and want to pay if I
> should but don't want to if something needs to be fixed because I will
> not have a "carrot" then.




Posted by on September 1, 2006, 9:26 am

Bob Pietrangelo wrote:
> >I recently had a geo comfort pardyne system installed. i have 3 ton
> > horizontol loop field with a 2.5 ton paradyne system.
>
> GeoComfort doesn't make a Paradyne Unit
> http://www.geocomfort.com/?page=Products/Residential_Products/index
> >
> > i have air handler in attic (no basement) with everything insulated.
> >
> > my issue is that my weather station in my house shows R.H. from 53-65%.
> > I complained to the installer and he had the supply rep come out to my
> > house with him and they went over everything.
>
> What are all the readings ask for them so you can post them. Water In temp
> and #, water out temp and #, all pressures and temps of refrigerant and
> lines,
>
> What is the real Brand and model of Geo unit.
>
> >
> > I am getting some condensate from the drain, but not sure how much
> > itshould be. the thing cools great no problems. the unit is now short
> > cycling. I checked the coil and there is no air bypassing around the
> > coil, and even thought the istallers left some blown fiber glass
> > insulation in duct there was VERY little on coil.
> >
> > the supply rep tells me that the "TXV" valve is always trying to
> > balance the freon and where you used to get 20 degree temp drop across
> > the coil you now get more like 14 degrees and so just can't de-humidify
> > like the old a/c systems.
> >
> > he says I should not worry about the R.H., his instruments show it was
> > around 54%.
>
> What is the OD temp, Rh, and what is the ID temp, what is thermostat set at?
> Do you have a copy of the load calculation.
>
> Was your system designed for heating or cooling capacity. If sized for
> heating, is it a 2 stage unit?
>
> >
> > I have not paid the installer yet because of this and want to pay if I
> > should but don't want to if something needs to be fixed because I will
> > not have a "carrot" then.


Climate Master sells a Paradigm. GeoComfort sells a unit under the
"Paradise" brand name.


Posted by Noon-Air on September 1, 2006, 9:55 am

>I recently had a geo comfort pardyne system installed. i have 3 ton
> horizontol loop field with a 2.5 ton paradyne system.
>
> i have air handler in attic (no basement) with everything insulated.
>
> my issue is that my weather station in my house shows R.H. from 53-65%.
> I complained to the installer and he had the supply rep come out to my
> house with him and they went over everything.

Here systems are sized to maintain 50 - 55%RH @ 75 degrees. The first
question I would be asking is how accurate is your weather station?? Then
check myself with my digital psycrometer.

> I am getting some condensate from the drain, but not sure how much
> itshould be. the thing cools great no problems. the unit is now short
> cycling. I checked the coil and there is no air bypassing around the
> coil, and even thought the istallers left some blown fiber glass
> insulation in duct there was VERY little on coil.

Ya think you might have voided the warranty by poking around inside the
unit??

> the supply rep tells me that the "TXV" valve is always trying to
> balance the freon and where you used to get 20 degree temp drop across
> the coil you now get more like 14 degrees and so just can't de-humidify
> like the old a/c systems.

He is full of sh*t

> he says I should not worry about the R.H., his instruments show it was
> around 54%.

54% is acceptable in my area

> I have not paid the installer yet because of this and want to pay if I
> should but don't want to if something needs to be fixed because I will
> not have a "carrot" then.

I hope you gave him a big enough deposit to at least pay for the equipment
while your screwing around. BTW, what did the inspector say about the
installation?? The installer *did* pull a permit, didn't he?? and it was
inspected by the your local building/mechanical inspector, wasn't it??

> I've read where humidty levels above 50% can lead to mold, dust mite
> issues, etc. am I just being paranoid and should pay?

Yes, you are being paranoid and need to do a lot more homework.
There is a very narrow bell curve where molds and virus' will *NOT*
grow..... 45 ~ 55% RH @ 75 degrees. RH that is too low or too high is not
good.



Posted by Abby Normal on September 1, 2006, 3:49 pm

> > I've read where humidty levels above 50% can lead to mold, dust mite
> > issues, etc. am I just being paranoid and should pay?
>
> Yes, you are being paranoid and need to do a lot more homework.
> There is a very narrow bell curve where molds and virus' will *NOT*
> grow..... 45 ~ 55% RH @ 75 degrees. RH that is too low or too high is not
> good.

Usually those promoting that you have to maintain under 50% tend to
sell dehumidifiers.

Under 60 is good for comfort, get into the 70% plus range to worry
about mold. Mold does not spontaneously generate from the high humidity
levels, it needs a wet food source to get started. Condensation
somewhere, a leak etc.


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