[RE-wrenches] What inverter? (was Faulty PM-60 circuit board)

Joel Davidson joel.davidson at sbcglobal.net
Wed Nov 9 09:33:34 PST 2011


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.davidson at sbcglobal.net>
To: "RE-wrenches" <re-wrenches at 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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