Today's Message Index:
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1. 04:10 AM - Re: Yesterday, I just had my first electrical system failure... (Bill Watson)
2. 07:04 PM - Re: Z-13/8 inquiry (mmcelrea)
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| Subject: | Re: Yesterday, I just had my first electrical system |
failure...
Update: I completed the problem determination procedures for the LR3C
regulator and called the results into B&C. They said it looked like the
LR3C failed and that it could be repaired with quick turnaround.
I chose to buy new due to the hard to access location I mounted my units
in. Once I swap them, I'll send the old one in for repair and keep it
as a spare.
On 2/17/2018 4:12 PM, Bill Watson wrote:
> <Mauledriver@nc.rr.com>
>
> ...and it was completely a non-event with my Z-14. After takeoff from
> Pittsburgh's KAGC and in the soup associated with the cold front
> between me and my destination in NC, one of my low voltage lights lit
> up. I looked at the voltage readings for each bus, it was immediately
> apparent I was running down the battery on bus2. Nothing else seemed
> amiss. So I cross connected the 2 buses, the voltage light went out
> and flew on for another 1.3 hours. I landed with 2 charged batteries,
> everything else working but no charging available on bus2 connected to
> the 20amp alternator.
>
> Problem determination begins tomorrow following the troubleshooting
> procedures for the LR3 controller. I will report back.
>
> Thanks all!
>
>
> ---
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>
Message 2
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| Subject: | Re: Z-13/8 inquiry |
Why is there no protection on the feed wire to the main bus from the battery contactor?
Assuming the contactor is on the firewall fwd and the main bus is on
a sub panel in front of the main panel its going to be a wire of potentially a
couple of feet long.
Also why are the amp outputs monitored from both alternators? If the main alternator
fails and the amps in/out of the battery is monitored instead of the sd8
output then load sharing might be easier? If you knew that the battery was being
discharged would you have an idea what endurance you might have?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=478218#478218
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