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Stephen Otto avatar image
Stephen Otto asked

Cyrix-CT 12/24 120A wiring diagram where start assist is not being used -- will this work in combination with Orion 12/24 Converter?

I've been using the non-smart version of the Orion 12/24 Non-isolated 10A Converter for alternator charging between my 12v vehicle system and my 24v house battery. I've been turning it on and off manually using a circuit breaker but would like to make this process automatic for obvious reasons and would like to do so in as elegant a fashion as possible. After researching, I decided that the Cyrix might be able to work in this situation. I wired it up as showing my attached diagram. However, once I started the vehicle and engaged the system, I did not getting any current.


One thing I did not do is connect the small negative terminal of the Cyrix, since I assumed that this was only necessary when using the "start assist" feature, which I am not using. Is this incorrect? Would this solve the problem, or is the cyrix simply not suitable for use with the Orion converter?


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Thanks!

Orion DC-DC Converters not smartCyrix Battery Combinerwiring diagram
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1 Answer
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

The negative is always needed, as in the manual.
The start-assist wire is optional.

But your wiring will not work.
The cyrix will not close if at one side is 0V (the wire to the Orion).

Maybe you could use a small relay to open/close the remote contact of the Orion if the engine is running.

The non-smart Orion's are not dedicated chargers, they don't have a charging algorithm, they just put out a constant voltage.
You should use one of the Orion-TR smart for that.

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Stephen Otto avatar image Stephen Otto commented ·

Can you explain in more detail the way in which I would use a relay to activate the converter for this particular converter? Thank you!

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