Matching Outback inverers on powerboard? [RE-wrenches]

[William Miller]

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Ron:

My information is that the only pre-wired Outback systems are limited to 
the PS2 backboard.  If you want to expand beyond two inverters, use an X240 
with reasonable room to install, add more than a limited number of breakers 
or avoid cramped wiring space, I recommend instead the PS4.  This must be 
field wired because the mounting plate is manufactured in two pieces.

By the way: The manual and all third party pre-wirers recommend using red 
and black to differentiate phases.  I've seen short circuits between input 
and output on factory wired systems using this color scheme.  I recommend 
instead that you use one color for AC input and the other for AC 
output.  Phase crossings are inconsequential but cross connecting input and 
output wiring will cause your system to malfunction.

William Miller


At 09:48 AM 8/26/2006, you wrote:

>Hello Wrenches,
>I'm putting together an Outback stacked VFX3524 powerboard in the field. 
>The powerboard comes with one inverter and I'll be adding another one at 
>the site. Is this a pretty straightforward proposition or are there some 
>issues I should be aware of? I can also source the unit as a complete 
>factory wired stacked package but at a price premium. Appreciate hearing 
>your experiences.
>
>Ron Young
>earthRight Solar
>


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