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What sort of external static duct pressures typically occur in Mobile/Mfd. Homes ? IlBeBauck@gmail.com 11-07-2008
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Posted by Noon-Air on November 9, 2008, 6:50 pm

> > IlBeBa...@gmail.com wrote:
> >>Im curious to know how much higher they run than the standard
> > > 0.5" that typical furnace blower assemblys are designed for. I cannot
> > > find Fan Charts for any of the common Mobile Home Furnace Mfgrs .
> > > Thanks.
> > Look again. They are there. Check ACCA's manual J and D for trailer
> > homes.
> > Email Don Steeth in Canada. He put together HVAC-Calc software and that
> > also covers mobile home units. The blowers on those make up any
> > difference.
> REPLY: Have you measured the static in a Mobile/MFD home ? If so,
> what do they run ? Save me some time looking it up...im just curious.
> Save time? ....this took 30 seconds
> Google.http://edocket.access.gpo.gov/cfr_2001/aprqtr/24cfr3280.715.htm
> -zero

REPLY: Thanks Zero for the site. The online search i conducted
yeilded insufficient info. In paragraph 3, it says .3" ESP and
higher is the design criteria ...but, Id like to know what these duct
systems typically run in a double wide, 1400 sq. ft. Mobile Home
having Two standard : 14x4" trunk ducts with crossover duct with 3.5
tons of Cooling . Have you taken any actual measurements yourself ?
I have a feeling it is considerably more than .5" otherwise
conventional Home Furnaces would be applied to Mobile Homes too.
Thanks .

Conventional home furnaces are *NOT* certified for mobile home use.
At least thats what it says in all the installation instructions.

If you want to use a conventional system in a mobile home, your going to
have clearance issues, and will have to re design and build new ductwork.


Posted by Zyp on November 12, 2008, 8:37 pm
IlBeBauck@gmail.com wrote:
>>> IlBeBa...@gmail.com wrote:
>>>> Im curious to know how much higher they run than the standard
>>>> 0.5" that typical furnace blower assemblys are designed for. I
>>>> cannot find Fan Charts for any of the common Mobile Home Furnace
>>>> Mfgrs . Thanks.
>>> Look again. They are there. Check ACCA's manual J and D for trailer
>>> homes. Email Don Steeth in Canada. He put together HVAC-Calc
>>> software and that also covers mobile home units. The blowers on
>>> those make up any difference.
>> REPLY: Have you measured the static in a Mobile/MFD home ? If so,
>> what do they run ? Save me some time looking it up...im just curious.
>> Save time? ....this took 30 seconds
>> Google.http://edocket.access.gpo.gov/cfr_2001/aprqtr/24cfr3280.715.htm
>> -zero
> REPLY: Thanks Zero for the site. The online search i conducted
> yeilded insufficient info. In paragraph 3, it says .3" ESP and
> higher is the design criteria ...but, Id like to know what these duct
> systems typically run in a double wide, 1400 sq. ft. Mobile Home
> having Two standard : 14x4" trunk ducts with crossover duct with 3.5
> tons of Cooling . Have you taken any actual measurements yourself ?
> I have a feeling it is considerably more than .5" otherwise
> conventional Home Furnaces would be applied to Mobile Homes too.
> Thanks .

ROFLMAO

--
Zyp



Posted by Zyp on November 12, 2008, 8:36 pm
zero wrote:
>> IlBeBa...@gmail.com wrote:
>>> Im curious to know how much higher they run than the standard
>>> 0.5" that typical furnace blower assemblys are designed for. I
>>> cannot find Fan Charts for any of the common Mobile Home Furnace
>>> Mfgrs . Thanks.
>> Look again. They are there. Check ACCA's manual J and D for trailer
>> homes. Email Don Steeth in Canada. He put together HVAC-Calc
>> software and that also covers mobile home units. The blowers on
>> those make up any difference.
> REPLY: Have you measured the static in a Mobile/MFD home ? If so,
> what do they run ? Save me some time looking it up...im just curious.
> Save time? ....this took 30 seconds Google.
> http://edocket.access.gpo.gov/cfr_2001/aprqtr/24cfr3280.715.htm
> -zero

LOL

--
Zyp



Posted by Noon-Air on November 12, 2008, 9:24 pm

>> IlBeBa...@gmail.com wrote:
>>>Im curious to know how much higher they run than the standard
>> > 0.5" that typical furnace blower assemblys are designed for. I cannot
>> > find Fan Charts for any of the common Mobile Home Furnace Mfgrs .
>> > Thanks.
>> Look again. They are there. Check ACCA's manual J and D for trailer
>> homes.
>> Email Don Steeth in Canada. He put together HVAC-Calc software and that
>> also covers mobile home units. The blowers on those make up any
>> difference.
> REPLY: Have you measured the static in a Mobile/MFD home ? If so,
> what do they run ? Save me some time looking it up...im just curious.
> Save time? ....this took 30 seconds Google.
> http://edocket.access.gpo.gov/cfr_2001/aprqtr/24cfr3280.715.htm

I'm surprised that you didn't give him a tinyurl for tubgirl or something
:-)


Posted by zero on November 12, 2008, 10:21 pm

>>> IlBeBa...@gmail.com wrote:
>>>>Im curious to know how much higher they run than the standard
>>> > 0.5" that typical furnace blower assemblys are designed for. I cannot
>>> > find Fan Charts for any of the common Mobile Home Furnace Mfgrs .
>>> > Thanks.
>>> Look again. They are there. Check ACCA's manual J and D for trailer
>>> homes.
>>> Email Don Steeth in Canada. He put together HVAC-Calc software and that
>>> also covers mobile home units. The blowers on those make up any
>>> difference.
>> REPLY: Have you measured the static in a Mobile/MFD home ? If so,
>> what do they run ? Save me some time looking it up...im just curious.
>> Save time? ....this took 30 seconds Google.
>> http://edocket.access.gpo.gov/cfr_2001/aprqtr/24cfr3280.715.htm
> I'm surprised that you didn't give him a tinyurl for tubgirl or something
> :-)

Now that you mention it, the season to give is almost upon us... :o)

But for 2008 I believe "2 girls, 1 cup" is the _must have_ video
for the holiday season!

-zero



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