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Old 11-13-2013, 11:23 PM   #15
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Originally Posted by mcshanks View Post
Vince,I just quoted the spec sheet for my panels after Mr Hilley stated I was confusing volts and amps.
Terry, the panels were installed by a solar store in Quartzsite,and are, from what I read, Rv usable/compatible not for grid tied/home use and the Trimetric is wired per the instruction sheet.
Sorry, I am still missing what the problem is that you are trying to solve...
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Old 11-14-2013, 07:34 PM   #16
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Originally Posted by mole007 View Post
I have installed solar panels on the roof of my motorhome, maximum amps are suppose to be about 28, However on a good day I get about 22, I installed a morning star ts-45 controller and a Trimetric rv-2025 battery monitor, since the time I energized the system the battery monitor has not correctly shown the amps at the batteries, like this AM, I checked the amps at the junction box and it showed 15.2 amps and at the controller it showed 14.4 amps and at the batteries it showed 13.8 amps however the 2025 battery monitor shows 1.5 Amps, and it does show 14.8 Volts and my batteries are 94% charged. I checked the amps with a clamp on amp meter. the motorhome has a .2 amp draw when the coach 12v switch is turned off. both controller and monitor are wired per their instruction manual, so am I missing something the tests this AM were b-4 full sun just to show the difference in the readings.

The 15.2 amps at the junction box then 14.4 amps at the controller and 13.8 at the battery sounds correct. Your 2025 should also read 13.8 amps. Check the 2025 wiring for the ground wire. Make sure it is connected at the proper point. Or 2 of your shunt wires are reversed and creating a null or subtraction. Check the setup on your 2025, or maybe your 2025 is broken.
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Old 11-14-2013, 11:11 PM   #17
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Thanks for all the responses, I have found 1 ground wire not hooked up to the shunt, I missed it some how, now everything is working like it suppose to.
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Old 11-29-2013, 09:44 PM   #18
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If you had the system installed in Quartsite then I know the wire from the panels to the batteries via the controller are too small.

Check that they are #4. If not then increase the to #4 gauge wire.
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