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Old 12-01-2021, 05:15 AM   #1
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Converter help

I'm wanting to disable just the charger circuit on my WFCO WF-8955 converter. I would like everything else to stay functional as normal.
Can someone tell me if there is a switch or a circuit breaker that will make this happen? Or will I have to splice in a switch into the circuitry?
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Old 12-01-2021, 06:33 AM   #2
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Some are on a circuit breaker. Look for one marked CONN.
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Old 12-01-2021, 08:11 AM   #3
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As twinboat notes above, there is usually an AC circuit breaker that powers the charging function of the WFCO 8955 converter. Just flip that breaker off. I presume you are installing an inverter/charger or a separate larger charger and don't need the 8955.

You can make this permanent by removing the cover on the 8955 and disconnecting the AC power leads from that breaker.

David

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Old 12-01-2021, 11:41 AM   #4
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Thanks guys for the advise.
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Old 12-02-2021, 09:02 AM   #5
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Quote:
Originally Posted by mike91eagle View Post
I'm wanting to disable just the charger circuit on my WFCO WF-8955 converter. I would like everything else to stay functional as normal.
Can someone tell me if there is a switch or a circuit breaker that will make this happen? Or will I have to splice in a switch into the circuitry?
The WF-8955 does not have separate converter and charging capability. Both functions are combined into one set of electronic controls and output.

There is one output wire for 12 volts. Disconnecting it disconnects both. There is one 120 volt input. Disconnecting either input or output stops both.

https://duckduckgo.com/?t=ffab&q=WFC...nverter&ia=web

https://wfcoelectronics.com/wp-conte...l-FINAL-RP.pdf
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Old 12-02-2021, 10:19 AM   #6
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Quote:
Originally Posted by mike91eagle View Post
I'm wanting to disable just the charger circuit on my WFCO WF-8955 converter. I would like everything else to stay functional as normal.
Can someone tell me if there is a switch or a circuit breaker that will make this happen? Or will I have to splice in a switch into the circuitry?
Why do you want to disable battery charging?

Note: One of the links I posted earlier is not what I intended. Here is the correct one.
https://wfcoelectronics.com/product/wf-8955-55-amp/
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Old 12-03-2021, 06:31 AM   #7
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Quote:
Originally Posted by Persistent View Post
Why do you want to disable battery charging?

Note: One of the links I posted earlier is not what I intended. Here is the correct one.
https://wfcoelectronics.com/product/wf-8955-55-amp/
I'm wanting to put in a inverter without re-wiring the trailer. Just stop the charger and plug the shore power into the inverter. Yea I know the a/c might pose a problem but with 600 ah of life04 lithium battery and 700 watts or solar with a MPPT charger I'm not concerned.

Thanks for your help
Mike
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Old 12-04-2021, 08:11 AM   #8
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For this purpose, just switch "off" the circuit breaker powering the converter/charger. You won't need either one.

There may be other things connected to the same breaker that will also be "off". Separate them as necessary.

The WFCO could be opened. Put a switch in the power wire to the converter/charger. See WFCO website for wiring diagrams.

It would be much more convenient to install an inverter/converter/charger/transfer switch unit. Disconnect the WFCO charger inside.
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Old 12-06-2021, 08:54 AM   #9
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Quote:
Originally Posted by mike91eagle View Post
I'm wanting to put in a inverter without re-wiring the trailer. Just stop the charger and plug the shore power into the inverter. Yea I know the a/c might pose a problem but with 600 ah of life04 lithium battery and 700 watts or solar with a MPPT charger I'm not concerned.

Thanks for your help
Mike
So, you want to install a whole trailer inverter, correct? Do you have a ATS (automatic transfer switch) installed? Why would you plug into the inverter with shore power?
I am assuming you want to run off grid with the setup of batteries you described.
I would consider installing a transfer switch and wire it similar to having an onboard generator.
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