ST XR series, anyone tried on yet? [RE-wrenches]

[Bob-O Schultze, Electron Connection]

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William,
We probably ARE all fiends, at that!
I've got six of the STXR 2000 in parallel on a big system in Redding. 
We had a few fits and starts, but at this point they all seem to be 
playing nicely. I'm seeing about 65-68% conversion from PV nameplate 
watts to ac watts out. That's about 10% less than the Sunny Boy will 
give you, but you've got to figure that 48V to 240V step up is going 
to be less efficient anyway.
Roy,
Yes, the meter built into the XR shows cumulative DAILY watts (resets 
every night) ONLY. If you want instantaneous watts, volts, etc., you 
have to have the STXR remote. Xantrex claims that they changed the 
display because they were getting too many calls from end users 
reading it and being confused. Yeah, yeah... maybe. On the other 
hand, Xantrex is a MARKETING company, so....
One cool thing about the remote is the error codes feature. It will 
tell you how many times the inverter has gone off line for 5 minutes 
due to poor grid voltage, frequency, overheating, etc. It's amazing 
how often that happens. So much for grid stability. Unfortunately, 
the codes are not resettable to zeros (dumb) so you have to keep a 
running tally from looksee to looksee.
Bob-O

>Fiends:
>
>Has anyone installed any of the XR series of ST inverters yet?  Any pros or
>cons seen?
>
>William

-- 
Bob-O Schultze, Electron Connection
PO Box 203, Hornbrook, CA 96044
800.945.7587 or 530.475.3402
fax 530-475-3401
www.electronconnection.com

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