Strolling Amok

Pops goes on tour.

Archive for the tag “MorningStar MPPT 45A”

Not So Smart Harvest

The Outback Smart Harvest 20A.

The Outback Smart Harvest 20A.

Building is one thing, and testing is another. With the Intrepid’s solar installation complete, I moved onto running it to see how it fared. The rooftop system, some 360 watts of panel powering a Morningstar TriStar MPPT 45A solar controller, ran like a refrigerator from the get-go. The Outback Smart Harvest MPPT 20A ran fine for a day, but then combining the two controllers to run simultaneously for a total of 560 watts seemed to freak out the Smart Harvest. Voltage at the battery sailed from 13.4-16 volts, throwing the unit into a momentary over-voltage stop before resuming its roller coaster ride. Okay. So I tried it solo again. It ran fine for a day or two, and then suffered the same symptoms and series of warning lights all by itself.

As I wrote in Intrepid Solar, Part 1, I’d already been disappointed that Outback offers no remote temperature sender for this new series of controller, even though the unit itself has the capability. A call to Outback Tech netted a replacement shipment, my controller’s serial number apparently being within a bad batch. That was slow Read more…

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