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From: Jim Fidler (no email)
Date: Sun Nov 30 2003 - 11:22:26 EST
Marin
>From your description it sounds like your relay is intended to
automatically parallel your batteries just for starting the engines.
If the relay is activated by the engine start buttons then the relay
disconnects when you let up on the start button. I believe Bob
Austin was referring to a relay that would stay closed for the
duration that the engine is running. With a relay connected
in this manner it would not be necessary to put the battery switch
in "both" because the relay would do it, automatically. It does
one of the functions that a combiner would do, but in a very
simple way.
Since you are paralleling your batteries by putting the switch in
the "both" position, your relay is redundant, isn't it?
Jim Fidler "Fiddlesticks"
==============================================
This is the way the batteries in our boat are set up. The stock electrical
system, which is still on our boat, uses a relay to connect the "house" and
"start" batteries together when an engine start button is pressed
regardless of how the battery selector switch is set.
snip
_______________
C. Marin Faure
GB36-403 "La Perouse"
Bellingham, WA
================================================
>There has been form of "combiner" around for at least 40 years on
RV's--basically when you turn on the ignition switch, a relay connects the
house and engine start batteries.
Bob Austin
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