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Old 01-30-2019, 11:06 AM   #28
MCJEFE
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Join Date: Nov 2018
Location: Lady Lake, FL.
Posts: 457
Default Re: DIY 101 - 14 cell Nissan Leaf lithium pack

I am wiring the HV Relay/LV Relay circuits in series to a Gigavac 240 contactor on the B+ lead. This will disconnect the pack in the event of either a High or Low Voltage condition. Sergio and others have designed some really cool relay laddersthat have some advantages and there's some great threads on the topic. I'm more of a Keep It Simple S.... kinda guy, less parts - less to fail.

I'll be mounting the Gigavac to the tub wall so I can only run the lead B- to the terminal board and coil up the HV/LV Relay wire to the Gigavac until I put the pack into the cart.

Anyways there's of ways to accomplish this!

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