| [GMCnet] House Battery Wiring [message #157605] |
Sun, 22 January 2012 12:09  |
k2gkk
Messages: 4452
Registered: November 2009
Karma:
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Senior Member |
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I have installed the slide-out battery tray from Jim K and
a pair of 6V golf cart batteries and all new wiring. I also
have installed the PD 9245C charger/converter. I have checked
the isolator with my Fluke 77 Digital Multimeter in the Diode
Check mode and since it showed a one-way voltage drop of
approximately .51 - .52 Volts from center terminal to the
upper and lower terminals, I assume it is good. I have also
installed the Yandina combiner.
Now problem(s) have reared their ugly heads.
I have NO charging of either starting or house batteries
from the PD 9245. The output measures at ~ 14.3 VDC.
The engine charging system is charging both batteries. The
voltage on both battery banks from the engine-driven system
is running at or a bit above 15 Volts. I am thinking that
this might be a NOT good thing!
However, in preparing to back into the house from the chilly
temp in the driveway, I heard a motor running AFTER I had
turned the engine off. It was the heater blower! I did find
that the heater works, though! (;<p)
I finally was able to kill that battery drain by pulling a
triple connector off a relay/solenoid on the firewall that
also had a double connector on it.
I had checked the voltages on the isolator probably 30
minutes AFTER I had shut the engine down and they were
down under 12 Volts. Could that drain have caused the
high charging voltage from the alternator?
This all may be a P.O. caused problem. When I installed the
PD 9245, the "hot" (positive) wire that was hooked to the
previous charger/converter (NOT a ferro-resonant buzzbox)
was surprisingly small; perhaps #10 AWG. This wire ran
directly to a DC fuse panel on the front wall of the power
compartment and I saw no way it could reach the house
battery bank.
Any guidance would be greatly appreciated. I hope I have
presented sufficient information here for an analysis.
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ ex-Palm Beach, 76 ~ ~ ~
~ www.gmcmhphotos.com/okclb ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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