[Greenbuilding] More CO problems--equalizing solar batteries

[Bob Klahn]

I'm not familiar with that specific fan and I might be restating the 
obvious, but have you ever tested the fan to find if it is truly venting 
and, if so, at what rate?
I regularly test residential exhaust fans.  Flow restriction, mostly 
because of ducting faults or just the flow resistance because of the 
length (and or the fact that ribbed flexible ducting has been used.  If 
I find more than 40% of the rated flow (on all but a few, top end fans), 
I start looking for the leak or disconnect.

You could test the fan itself, with a capture hood and gauge or measure 
the depressurization of the space with a sensitive manometer.

The other factor is verifying a source of intake air for the space, to 
balance the exhaust.  Even a great fan probably can't pull against a 
closed space; passive leakage is not likely to be adequate, especially 
in an intentionally tightened house as I expect yours is.
Bob Klahn



On 2/19/2012 12:47 PM, KTOT (g) wrote:
> *I encountered another, potentially very serious, CO problem yesterday 
> when I equalized my still-new solar batteries with the exact 
> directions of both my solar electrician and the relevant manual.*
> **
> *The batteries are in an interior utility room but have a "Power Vent" 
> that goes from above the batteries to the exterior.*
> **.bioenergylists.org/mailman/listinfo/greenbuilding_lists.bioenergylists.org
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