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jay(at)horriblehyde.com
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 Posted: Tue Dec 15, 2009 9:29 am Post subject: Z-19 |
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Hello Bob,
I am using the Z-19 system for a dual battery, single alternator application. In the system the Engine Battery has OFF/ON/AUTO settings and I see that this battery will switch in when an undervoltage is detected on the Main Power Distribution Bus, when in AUTO mode. If one operates it in AUTO mode all the time how does it ever get charged? The obvious answer seems to be to operate the ENG BAT switch in the ON position all the time, but this makes the AUTO mode redundant.
An additional question is, can both batteries be safely charged via one alternator?
Thanks
Jay
[quote][b]
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Allen Fulmer
Joined: 10 Jan 2006
Posts: 79
Location: Alexander City, AL
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| Posted: Tue Dec 15, 2009 10:24 am Post subject: Z-19 |
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Jay,
As I understand the drawing and operation of low voltage warning devices, the Engine Battery contactor will OPEN upon low voltage if switch is in Auto. Idea is to save the Engine Battery for powering the electrically dependent engine.
Allen Fulmer
RV7 wiring
Eggenfellner Subaru E6 powered
N808AF reserved
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Jay Hyde
Sent: Tuesday, December 15, 2009 11:25 AM
To: aeroelectric-list(at)matronics.com
Subject: Z-19
Hello Bob,
I am using the Z-19 system for a dual battery, single alternator application. In the system the Engine Battery has OFF/ON/AUTO settings and I see that this battery will switch in when an undervoltage is detected on the Main Power Distribution Bus, when in AUTO mode. If one operates it in AUTO mode all the time how does it ever get charged? The obvious answer seems to be to operate the ENG BAT switch in the ON position all the time, but this makes the AUTO mode redundant.
An additional question is, can both batteries be safely charged via one alternator?
Thanks
Jay
| Quote: | | [b][b]www.aeroelectric.com |
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[quote][b]
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_________________
RV7 QB Fuselage
Eggenfellner H6 on orde
N808AF reserved
Alexander City, AL |
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nuckolls.bob(at)aeroelect
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| Posted: Tue Dec 15, 2009 5:42 pm Post subject: Z-19 |
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At 12:21 PM 12/15/2009, you wrote:
| Quote: | Jay,
As I understand the drawing and operation of low voltage warning devices, the Engine Battery contactor will OPEN upon low voltage if switch is in Auto. Idea is to save the Engine Battery for powering the electrically dependent engine.
Allen Fulmer
RV7 wiring
Eggenfellner Subaru E6 powered
N808AF reserved
From: owner-aeroelectric-list-server(at)matronics.com [ mailto:owner-aeroelectric-list-server(at)matronics.com (owner-aeroelectric-list-server(at)matronics.com)] On Behalf Of Jay Hyde
Sent: Tuesday, December 15, 2009 11:25 AM
To: aeroelectric-list(at)matronics.com
Subject: Z-19
Hello Bob,
I am using the Z-19 system for a dual battery, single alternator application. In the system the Engine Battery has OFF/ON/AUTO settings and I see that this battery will switch in when an undervoltage is detected on the Main Power Distribution Bus, when in AUTO mode. If one operates it in AUTO mode all the time how does it ever get charged? The obvious answer seems to be to operate the ENG BAT switch in the ON position all the time, but this makes the AUTO mode redundant. |
Allen is right. The LVABMM works like this:
http://www.aeroelectric.com/articles/lvwarn/LVWarn-ABMM.pdf
The design goal for such devices is to automatically
disconnect the auxiliary battery during such times that
the alternator is not producing enough output to maintain
the battery.
| Quote: | | An additional question is, can both batteries be safely charged via one alternator? |
You can charge as many batteries as you like.
http://aeroelectric.com/articles/Batteries/Multiple_Battery_Myths_A.pdf
Bob . . .
////
(o o)
===========o00o=(_)=o00o=========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
=================================
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