[RE-wrenches] Pulse 250 power center

[robert ellison]

I have 2 customers with the old power centers sitting on the shelves, want
me to see if they will part with the charge controller? No guaranty, 1 says
he is going to move it to his camp and they're both pack rats....

The better bet is the MPPT controller but keep in mind that the original
breakers are not rated for the series panel strings that we use now. The
Square D breakers are only UL rated for 50 volts not the typical 70 - 96
volts we see now.

Here's to a great new year,

Bob
On Wed, Dec 31, 2008 at 1:26 PM, Joel Davidson
<joel.davidson at sbcglobal.net>wrote:

> Hi Allan,
>
> Good idea bypassing the old charge controller. I'll pass it on to our
> customer.
>
> ...and good memory. The Ananda people did the PV industry a real service by
> making the first UL listed power center.
>
> ...and best wishes for a wonderful new year. Here's hoping Obama's $150
> billion investment in alternative energy trickles down to the small
> businesses that have been the foundation of US renewable energy innovation.
>
> Joel Davidson
>
> ----- Original Message ----- From: "Allan Sindelar" <
> allan at positiveenergysolar.com>
> To: "'RE-wrenches'" <re-wrenches at lists.re-wrenches.org>
> Sent: Tuesday, December 30, 2008 9:39 PM
> Subject: Re: [RE-wrenches] Pulse 250 power center
>
>
>
> Joel,
>> As far as I know, there's never been a "Pulse Authorized Service Center"
>> because once installed, a powercenter is never removed. Pulse is long gone
>> (Ananda > APT > Pulse > Connect Energy > can't remember now.)
>>
>> On a number of earlier powercenters, we bypassed the charge controller and
>> added an external MPPT model. They are all generally used in off-grid
>> systems, and as we have cold winters, MPPT is well worth the upgrade.
>>
>> Allan at PosE
>>
>> -----Original Message-----
>> From: re-wrenches-bounces at lists.re-wrenches.org
>> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Joel
>> Davidson
>> Sent: Tuesday, December 30, 2008 1:56 PM
>> To: RE-wrenches
>> Subject: [RE-wrenches] Pulse 250 power center
>>
>>
>> Wrenches,
>> Please tell me who repairs or replaces Pulse 250 power center charge
>> controllers. Thanks in advance.
>> Joel Davidson
>>
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