Trace PS2512 [RE-wrenches]

[Allan Sindelar]

David,
We installed two PS2524s in off-grid apps and decided not to use one again.
Several reasons:
1) Very noisy. Both, fortunately, went into vented cabinets on exterior
walls. I sure wouldn't want one in my home.
2) The PS2524 only charges at 65A DC, which limits its C/ rate to smaller
battery banks.
3) No ability to program the inverter to anything other than default
settings, re-program it if someone shuts off the GJ breaker, (same
ridiculous volatile memory problem as the SW), or initiate an equalizing
charge without the optional remote--which, at $300, takes away much of the
only advantage of the thing over the SW, which is a lower list price. And of
course, there's no knockout large enough to pass the connectors on the
remote cable, so the PSCB needs a big notch field-cut into it.
    Both units have worked per their design, and we haven't had any warranty
problems. But it's problems are fundamental to its design. We judged it a
schlock product and don't even consider it any more.
Allan at Positive Energy

----- Original Message -----
From: "David Palumbo, Independent Power & Light" <ipl at sover.net>

> We are installing our first Trace PS2512 inverter and we are wondering
what
> kind of success, or lack of, wrenches have experienced with these
inverters.
> So far we are under whelmed by its performance. It ran a couple of our
tools
> (drills, circular saw) off and on over the course of the morning. Only one
> tool was on at a time and the battery bank voltage was strong (13.3 to
> 14.6v). It performed OK in powering these tools during the morning. With
no
> apparent warning signs the PS2512 started making an out of the ordinary
> sound, a rapid "clacking" sound that was almost in the buzzing range. The
> RMS voltage was not too bad at this point (115 to 123vac), but our Fluke
> would not record peak volts, and Hz varied from 120 to 190! After an hour
or
> so we tried the PS again and the bad sound had gone but the inverter now
> sounded slower. This was corroborated on the meter Hz now was at 52.8
while
> running a 3 amp drill.
> This unit is going to Tekris Power (our east coast Trace repair shop) for
> diagnosis and repair.
> Anyone having success with PS inverters?
> Dave

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