Join Date: Jul 2008
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Electric Supply Issue to Refrigeration Unit
About a year ago, I replaced my 2 lead-acid house batteries, and 1 lead-acid starting battery with 3 AGM house batteries, and 1 AGM starting battery and a new battery charger. The refrigeration unit used to work fine when sitting at the dock, and when underway either sailing or when the engine was running.
Now, when at the dock, the refrigeration compressor keeps cutting out with a under voltage LED flashing, and the ice box doesn't stay cold. When motoring out of the marina, the refrigeration unit works fine. When at the dock, the house battery bank registers in the 12+ volts range, and the voltage meter monitoring the engine alternator shows about 14 volts when the engine is running.
The battery charger is also supposed to act as a Power supply when at the dock, so it appears to me I have a voltage setting issue or excessive line loss somewhere, or the guy who wired up the new batteries missed something. Any suggestions on where to start looking?
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1980 Pacific Seacraft Orion 27
Sailing Grounds: Southern California