Dave,
Interesting question for me, as just a few days ago I installed an ACR
and have been watching the voltage on the house bank, (alternator output
is to the starting bank only) by which I can see when the ACR combines.
It seems to be at about 13 to 13.2 volts, so it does sound like your
alternator/regulator is not putting out high enough voltage. On my ACR
(Blue Sea 7610) you can put in an LED that lights up when it combines,
just to be sure.
Neil Gallagher
Weatherly, 35-1
Glen Cove, NY
On 8/9/2019 4:40 PM, Dave S via CnC-List wrote:
Hi All,
I have a yanmar 2GMf20 with what I believe is the stock 55 amp
alternator. I noticed that my ACR was not combining batteries, which
led me to research a bit then measure the voltages on each bank, and
then at the alternator “Batt” terminal.
Irrespective or RPM or battery state, the voltage at the BATT terminal
does not exceed 12.63 in operation. (he ACR therefore doesn’t “see”
a charging state) The belt is new and not slipping.
This suggests and alternator or regulator problem. Does this make
sense? Is there anything else I should check?
If I end up replacing the regulator, are there better options for this
alternator than stock?
Thanks All.
Dave
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Windows 10
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