Thanks all for the comments. I did not install the batteries, genny, Outback
inverter, or Mate, just the GSCM and an RTS. I've given the homeowner a lot of
advice along the way but did not touch the other installer's work. It was clear
from the beginning that the homeowner knows nothing about off-grid power
generation or battery maintenance and that the previous installer didn't bother
with code compliance or educating the homeowner on how to operate his own
system. Yes, it's one of those. I'm trying to keep my distance while still
being available to answer questions. Thanks again guys!
Eric Stikes
SunHarvest
----- Original Message -----
From: William Miller
To: RE-wrenches
Sent: Monday, March 25, 2013 12:41 PM
Subject: Re: [RE-wrenches] GSCM-mini with Honda EM5000SX
Eric:
The generator-based charging may impose higher currents into the batteries
than either PV charging or inverter consumption, triggering the problem.
Melted battery terminals are not uncommon. You must have washers under your
bolt heads with lead flanges. Otherwise the bolt heads sink into the lead,
loosening connections. All mating surfaces need to be newly wired brushed just
before assembly. Battery connections need to be re-torqued annually.
William Miller
At 09:40 AM 3/25/2013, you wrote:
Larry,
Thanks for your reply. For some reason the schematic I received from the
tech at Atkinson did not show any wires being connected to pins 9 & 10 and as
I'm a literalist I did not make those connections. After I received your (and
other) feedback I connected gen power to those pins and the AGS seemed to
function fine. Within 2 days the customer called me back saying his genny was
shutting off after 20 mins of runtime. I told him to disconnect or reprogram
one system component at a time to find the fault source. Before a fault source
was determined, he observed that two batteries in his bank were experiencing
the "battery terminals melting into the battery casing" (as was texted to me by
the customer). I have no idea how a GSCM interface would cause or allow an
overcurrent fault at the batteries but the timing of the installation seems to
indicate that the AGS is at fault. Ever heard of this before?
Eric Stikes
SunHarvest Solar
We install solar pool pumps quite frequently here in the Caribbean. We
use Sunpumps - excellent company, great support. Email Joe Lines
[email protected] for design assistance, he is very helpful.
On Wed, Feb 20, 2013 at 1:02 PM, William Korthof <[email protected]>
wrote:
A few questions.
I have a customer who really wants a solar-direct pool pump for his
home. Medium size in-ground pool and I'd like the pump to be strong enough to
lift to the solar pool panels (12 ft lift above pool level). I'd like to offer
him hardware that is at least one notch above experimental beta-test. I
remember the SunCentric from several years ago, but not sure how durable that
turned out, and I was having trouble a vendor for it now. Any suggestions for
today with some favorable track record? Or suggestions on what to avoid?
William Korthof
Sustainable Solutions Partners
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