AEE Dump Load Element for Water Heaters [RE-wrenches]

[Jay Peltz, Peltz Power]

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HI Travis

With running 240 elements at 120v the wattage goes down by 4 times.   
( 2500 watt 240 = 600 watts at 120v)
Much easier to run AC relays, etc.

So if the wattage isn't too large its what I recommend,

jay
On Mar 31, 2008, at 7:21 PM, Travis Creswell wrote:

>
> Thanks Jay and Drake,
>
> I've found Rectorseal to be great and have used many cans over the  
> year.
>
> I certainly thought about going to AC route but didn’t feel the  
> system had
> the AC capacity to spare.  But with DC I can PWM the dump load with  
> the
> Morningstar controller and I feel the control will be better.  One  
> option is
> to use the existing AC elements but run DC to them.  My wattage  
> goes way
> down but its better then nothing at this point.
>
> One thing that I haven't figured out is what's going to happen to the
> existing T-stat when I run it on 48v (56v) and PWM that???  I've  
> searched
> all over and find nothing rated for it.  Why don't the people that  
> sell the
> elements have such a product?  I think a snap disc would be the most
> reliable way to do it but have yet to find one rated for it.  I've  
> thought
> about all sorts of ways of doing it with thermistors, relays and  
> contactors
> but they rapidly fail the KISS test.
>
> Best,
> Travis Creswell
> Ozark Energy Services
>
> -----Original Message-----
> From: Jay Peltz, Peltz Power [mailto:jay at asis.com]
> Sent: Monday, March 31, 2008 8:00 PM
> To: RE-wrenches at topica.com
> Subject: Re: AEE Dump Load Element for Water Heaters [RE-wrenches]
>
>
> Hi Travis,
>
> I don't use those anymore but stick with AC units.
>
> I use standard AC units, and run them off the AC side.
>
> They come in lots of sizes.
>
> jay
> On Mar 31, 2008, at 10:03 AM, Travis Creswell wrote:
>
>>
>> Hello All,
>>
>> I'm trying to replace standard screw-in water heater elements with
>> elements
>> supplied by AEE.  This is for a wind turbine dump load.  The AEE
>> elements do
>> not have any sort of shoulder or washer head on them which I think is
>> imperative to a obtaining a proper seal.
>>
>>
>> Every standard water heater element relies on this shoulder to
>> force the
>> rubber washer into a groove on the water heater for a water tight
>> seal.  The
>> water heater fitting along with the old and new elements are straight
>> threads which is standard for water heater elements.  I'm no
>> plumber but
>> I've changed out my fair share of elements over the years and I  
>> see no
>> possible way to make the AEE elements seal properly over the long
>> run.  I
>> suppose I could get enough Teflon tape and pipe dope on there to
>> seal but I
>> sure wouldn't trust it for very long.
>>
>> What am I missing?
>>
>> Thanks in advance,
>> Travis Creswell
>> Ozark Energy Services
>>
>
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> 10:13 AM
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>
>
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