I was wondering if I need to have the master DC battery switch on "ALL" or "OFF" when hooked up to shore power and charging. The Newmar charger leads go directly to the batteries (it even says right on the case to do this) so I wouldn't think it matters where the switch is. I Googled it and found two different views. Any suggestions?
Here is what I found on-line:
From US Sailing:
When connecting to shore power, have the power switch set to "AC" or "Shore Power", the battery charger turned on and the battery switch (center dial in picture below) set to "ALL". Most sailboats will charge both batteries when the shore power is plugged in and the battery charger turned on, regardless of the setting of the battery switch.
From a charter company:
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When on shore power (120 volt AC), the three batteries (one starting and two house) can be charged if needed by the charging system. This system brings the batteries up to full charge in phases and maintains the batteries in a fully charged condition when connected to shore power. It is permissible to leave the charger on for extended periods (such as while sleeping), but with regular use of the engine this should not be necessary. In addition, some 12V devices (including light bulbs) may be harmed by long-term exposure to the above-normal voltages created during charging. For this reason we ask that you turn off the battery master switch before turning on the battery charger.
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Here is what I found on-line:
From US Sailing:
When connecting to shore power, have the power switch set to "AC" or "Shore Power", the battery charger turned on and the battery switch (center dial in picture below) set to "ALL". Most sailboats will charge both batteries when the shore power is plugged in and the battery charger turned on, regardless of the setting of the battery switch.
From a charter company:
<O
When on shore power (120 volt AC), the three batteries (one starting and two house) can be charged if needed by the charging system. This system brings the batteries up to full charge in phases and maintains the batteries in a fully charged condition when connected to shore power. It is permissible to leave the charger on for extended periods (such as while sleeping), but with regular use of the engine this should not be necessary. In addition, some 12V devices (including light bulbs) may be harmed by long-term exposure to the above-normal voltages created during charging. For this reason we ask that you turn off the battery master switch before turning on the battery charger.
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