Matt, you didn't indicate whether this is a TM2020 or a newer TM-2030.
The steps are the same, so it shouldn't matter.
Set the charge efficiency to 99%. Set the voltage to a few tenths of a
volt below the Simpliphi's BMS setpoint.
Set the amps to off.
Make sure that P01 for auto reset is on.
Should work fine.
Allan
On 9/2/2022 12:43 PM, Kirk Herander via RE-wrenches wrote:
I’ve never installed simplify batteries. Do they make their own state
of charge monitor?
The trimetric has a perimeter called charge efficiency % You can tweak
that to get it to match the any benchmark more closely.
Also the trimetric should be reset to full on a regular basis, When
you have confidence the batteries are full. All trimetrics drift off
over time, especially given the unique charge characteristics of
lithium-ion’s versus lead acid batteries.
On Fri, Sep 2, 2022 at 2:32 PM Matt Sherald via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote:
Hello Friends,
I have an off-grid customer for whom I recently installed some
SimpliPhi 3.8kW batteries. This is an older system and it has a
Trimetric battery monitor that the homeowners have used for years
to keep an eye on their battery bank.
The SimpliPhi batteries appear to be working fine at the site, but
the homeowners feel uneasy b/c the Trimetric is reporting that
they are finishing each charging cycle with an amp-hour deficit.
The voltage of the SimpliPhi batteries indicate that they are
getting fully charged and are doing so fairly early in the AM
(solar is the primary power source).
I've spoken with SimpliPhi tech folks and their hunch is that the
Trimetric is not reporting correctly. They suggested that a
Victron BMV-712 would be more accurate at tracking Percent Full
etc...
Do you folks think that the Victron is better at counting Ah
in/out for Li batteries? Or is the Trimetric adequate - do I
maybe just need to adjust the settings?
Anyway, the implication that the Victron BMV was better at
monitoring Li batteries has me curious and I will enjoy hearing
what the group thinks.
Thanks for your time!
-Matt
--
Matt Sherald
PIMBY Energy, LLC
304-704-5943
www.getpimby.blogspot.com <http://www.getpimby.blogspot.com>
www.getpimby.com <http://www.getpimby.com>
--
*Allan Sindelar*
al...@sindelarsolar.com <mailto:al...@sindelarsolar.com>
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
Founder (Retired), Sindelar Solar
*505 780-2738 cell*
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