I think you shoud go with Solar Edge, and modules optimizers
________________________________
From: William Miller <will...@millersolar.com>
To: RE-wrenches <re-wrenches@lists.re-wrenches.org>
Sent: Wednesday, November 9, 2011 7:42 PM
Subject: Re: [RE-wrenches] What inverter? (was Faulty PM-60 circuit board)
Joel:
24 Enphase M190s.
William Miller
At 09:33 AM 11/9/2011, you wrote:
>Wrenches,
>
>After telling my customer to upgrade to an MPPT charge controller (thanks
>Ray Walters and John Blittersdorf), he decided to really optimize his PV
>array and retire his Trace SW4048 inverter. He has 48 Siemens SP75 modules
>(67.5 W DC PTC) that are ground mounted in full sun and easy to re-wire.
>With so many new batteryless grid-tie inverters on the market, this is a
>good time to ask this sage group with over 3,000 combined years of
>experience what inverter do you prefer?
>
>Joel Davidson
>
>----- Original Message ----- From: "Joel Davidson"
><joel.david...@sbcglobal.net>
>To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org>
>Sent: Saturday, November 05, 2011 4:50 PM
>Subject: Faulty PM-60 circuit board
>
>
>>Wrenches,
>>
>>My customer has a circa 2001 Pulse PC250 with a faulty PM-60 circuit
>>board TC-750, REV D2 (the microprocessor U1 has v2.5 and v1.01 written
>>on a label on it). Does anyone repair or have replacements for PC250
>>PM-60 circuit boards? If not, what do you recommend? Thank you in advance
>>for your help.
>>
>>Joel Davidson
>>
>
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Miller Solar
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