| [GMCnet] Re: Battery Isolater with a Yandina combiner or in place of [message #364856 is a reply to message #364855] |
Sun, 20 June 2021 14:19  |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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I would be suspicious of an alternator going unregulated and pushing the
voltage high enough to damage the isolator.
Or, a crossover voltage from a 120 volt power inverter that
inadvertently got cross wired into the 12 volt DC system.
Those isolators are very robust devices if they are sized correctly
for the amperages invovled..
Jim Hupy
Salem, Oregon
On Sun, Jun 20, 2021, 12:12 PM John R. Lebetski
wrote:
> 120A isolator and Yandina combiner across the 2 outer terminal and ground.
> Proven and works automatically like belt and suspenders.
> Now do you have an 80A 27SI alternator or something larger? That gives a
> 40A headroom. Curious why you have isolator problems as no moving parts.
> Has someone “upgraded” to heavier wiring? The original wiring was
> designed for Voltage drop at high demand to act as a “cushion” in the
> circuit. You could have had multiple bad batteries where the impefance
> drops due to a bad cell and overloads charging system.
> --
> John Lebetski
> Woodstock, IL
> 77 Eleganza II
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