question

greglinjett avatar image
greglinjett asked

Victron Orion TR Smart DC-DC,

I am going back and forth on the best way to connect my two battery solution onboard.... I have a "drop-in" 200ah LiLead LIFEPO4 and a standard lead "start battery", I want to protect my generator from overheating and also want to try to reuse my existing 230V charger and MPPT solar charger. Does anyone know if it is possible to wire so that all the "chargers" (ie the motors alternator, the 230V mains charger, and the MPPT Solar controller) are on the input side of a Victron Orion TR Smart DC-DC, so that the LIFEPO4 is only on the output side and getting fed with "lithium friendly" electrons? Would be great if it works.. but maybe i am missing something.... Thanks in advance *Greg

orion dc-dc
2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

2 Answers
Alexandra avatar image
Alexandra answered ·
@GregLinjett

No.

The inverter is lithium friendly. It is ac to and controls its output based on a charge algorithm.

The mppt is also designed to go direct to battery not to another device.

The orion is dc to dc. It also controls its out put. And each regulate themselves. The orion is not designed to regulate a charge from a multiplus or other victron inverter.

Just connect everything on a bus bar on the dc side, like the lynx ones and then connect the battery bank to that.

1 comment
2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

greglinjett avatar image greglinjett commented ·

Thanks Alexandra, i didnt really get all of it, but i guess the main point is that i probably shouldnt have the 230v "lead" charger and the MPPT feeding into the input side of a Victron Orion TR Smart DC-DC... or...

0 Likes 0 ·
Robert avatar image
Robert answered ·

Hello, to prevent your alternator from overheating there are two realistic options.

Smaller DC/DC Charger

Or Temperature controlled DC/DC Charger with variable current in depending alternator temperature.

Best regards Robert

3 comments
2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

greglinjett avatar image greglinjett commented ·
Thanks Robert, Sounds interesting... I like the idea! Does Victron have a suitable product that can do that?
0 Likes 0 ·
Show more comments

Related Resources

Victron DC to DC Converters Product Range

__________