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Waterfurnace Problems rodthacker 05-11-2007
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Posted by on May 11, 2007, 3:10 pm
My house is 4200 sq.ft. My installer installed a EZ072 split heat
pump. 3 zones. We have had problems from the start. My total Duct
leakage Corrected to 25Pa is 536 CFM's. This is after he corrected
my problems? My supply is 14'' round. Return is 9x16 . The unit
never stops at 30F or above 85F. We have been in our new home 1
year. I've had another Waterfurnace dealer, do a blower door test,
and two load cal.
which said we needed a 4.1 ton at 1940 cfm. Waterfurnace has been no
help. The State inspectors can't get our problem fixed.
Any suggestions?


Posted by -zero on May 11, 2007, 3:47 pm

> My house is 4200 sq.ft. My installer installed a EZ072 split heat
> pump. 3 zones. We have had problems from the start. My total Duct
> leakage Corrected to 25Pa is 536 CFM's. This is after he corrected
> my problems? My supply is 14'' round. Return is 9x16 . The unit
> never stops at 30F or above 85F. We have been in our new home 1
> year. I've had another Waterfurnace dealer, do a blower door test,
> and two load cal.
> which said we needed a 4.1 ton at 1940 cfm. Waterfurnace has been no
> help. The State inspectors can't get our problem fixed.
> Any suggestions?

Are the numbers a typo? 4,200 sq ft. @ 4.1 tons of cooling?

-zero



Posted by on May 11, 2007, 4:11 pm
>
>
> > My house is 4200 sq.ft. My installer installed a EZ072 split heat
> > pump. 3 zones. We have had problems from the start. My total Duct
> > leakage Corrected to 25Pa is 536 CFM's. This is after he corrected
> > my problems? My supply is 14'' round. Return is 9x16 . The unit
> > never stops at 30F or above 85F. We have been in our new home 1
> > year. I've had another Waterfurnace dealer, do a blower door test,
> > and two load cal.
> > which said we needed a 4.1 ton at 1940 cfm. Waterfurnace has been no
> > help. The State inspectors can't get our problem fixed.
> > Any suggestions?
>
> Are the numbers a typo? 4,200 sq ft. @ 4.1 tons of cooling?
>
> -zero

the unit installed is a 3 ton to 6 ton split. The 4.1 ton is from my
load cal. from my Nu-wool using Wrightsoft. My installor never gave
us a proper load cal.


Posted by on May 11, 2007, 4:12 pm
>
>
> > My house is 4200 sq.ft. My installer installed a EZ072 split heat
> > pump. 3 zones. We have had problems from the start. My total Duct
> > leakage Corrected to 25Pa is 536 CFM's. This is after he corrected
> > my problems? My supply is 14'' round. Return is 9x16 . The unit
> > never stops at 30F or above 85F. We have been in our new home 1
> > year. I've had another Waterfurnace dealer, do a blower door test,
> > and two load cal.
> > which said we needed a 4.1 ton at 1940 cfm. Waterfurnace has been no
> > help. The State inspectors can't get our problem fixed.
> > Any suggestions?
>
> Are the numbers a typo? 4,200 sq ft. @ 4.1 tons of cooling?
>
> -zero

Thanks,


Posted by Noon-Air on May 11, 2007, 5:16 pm

>
>> My house is 4200 sq.ft. My installer installed a EZ072 split heat
>> pump. 3 zones. We have had problems from the start. My total Duct
>> leakage Corrected to 25Pa is 536 CFM's. This is after he corrected
>> my problems? My supply is 14'' round. Return is 9x16 . The unit
>> never stops at 30F or above 85F. We have been in our new home 1
>> year. I've had another Waterfurnace dealer, do a blower door test,
>> and two load cal.
>> which said we needed a 4.1 ton at 1940 cfm. Waterfurnace has been no
>> help. The State inspectors can't get our problem fixed.
>> Any suggestions?
>
> Are the numbers a typo? 4,200 sq ft. @ 4.1 tons of cooling?

SQFT doesn't mean anything..... I have a home that I did here in south
Mississippi that has 3,000 sqft of floor space and is heated and cooled with
nothing more than a 14 SEER 2 ton heat pump.



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