question

wreyford avatar image
wreyford asked

BlueSolar MPPT 150/70 stops supplying loads once Float of batteries finished

My problem, is that the MPPT after Bulk, Goes into 'Float' for 2hours, and then stops supplying the loads, and the batteries then start to discharge. This happens between 13:00 and 14:00, with ample sun, so this then drains my batteries unnecessarily.

I tried so many settings but cannot get it to supply the loads, while there is sunlight.

Location:

Totally off grid on a farm.

My setup is as follows:

Old Blue Solar MPPT 150/70

Old Firmware (Not upgradable) Multiplus 24/3000/70-50

- Firmware 209

BMV 712 Smart

Color Control GX

Hubble AM-4 Lithium Battery X 2

Hubble CloudLink (RiotCloudLink)

mppt150-70-2023-06-03-143204.png

screenshot-2023-05-22-195817.png


screenshot-2023-05-22-195657.png

As you can see from the above images, as soon as float is finished, it just stops supplying, and the battery is drained.

The Charge Setting on the MPPT (Menu 04) is Set to 7 for standard Lithium presets.

The Color Control GX is setup to DVCC.

The Multiplus does not work with DVCC, as its too old to upgrade, but this should not influence the MPPT though.

firmware-2023-05-13-185520.png

I hope that I have supplied enough info, and am hopeful for a solution.

MPPT ControllersLithium BatteryCCGX Color Control
2 |3000

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1 Answer
klim8skeptic avatar image
klim8skeptic answered ·

@wreyford you cannot use the older VE Can mppt with DVCC.

As a test disconnect the VE Can cable Between the CCGX and mppts.

Dont forget the terminators.

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Alexandra avatar image Alexandra ♦ commented ·
Set up your rebulk off set to 0.1v it will start the process sooner.
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