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To turn the generator off, first take off the load by turning off AC breakers. Then turn the SHIP-SHORE MAIN
POWER SOURCE SWITCH to "SHORE". Lastly kill the generator by switching generator switch to "off" until it
stops.
CO/Smoke Detectors
There are 2 combination Carbon Monoxide (CO)/Smoke Detectors onboard REDTAIL. One is located in the
engine room between the 2 HALON fire suppression canisters, and the other is located in the hallway just
outside the guest head. Both are battery powered by 2 AA batteries and are therefore independent of any
house electrical system.
operable. If not, replace the batteries.
The alarms are loud and have a voice message letting you know whether the problem is fire or CO related.
House (12-volt) System
3 battery banks support 12-volt DC power:
1) Engines – 1 8D starting battery each (in engine room)
2) Genset - 1 8D starting battery (aft of port water tank in lazarette next to the generator)
3) House/Inverter - 3 8D deep-cycle batteries (between drive shafts below floor)
There are 4 primary BATTERY SWITCHES which are located on the aft wall of the engine room just to port of
the entryway stairs. Normally, leave all switches on the "ON" position.
Your 12 volt panel shows all the systems supported by your batteries. Primarily you will be turning on the
breakers for your lights, water pressure, electronics, instrumentation, etc. Bilge and the shower sump
pumps should always be left on.
House Battery Bank & Switch
The HOUSE BATTERY BANK provides power for all DC systems, except the engines and 3 automatic bilge
pumps. When disconnected from shore power, all 12-volt devices drain the house battery. Use devices as
needed. The DC voltmeter on the DC panel can be switched between Port, Starboard, and House Battery
banks to measure charging or resting battery voltages.
When a battery bank is being charged, the voltage will read from about 13.1 volts to 14.4 volts depending
upon state-of-charge of the battery bank. When the battery bank is at rest, (not being charged), the
voltmeter can give a rough indication of the state-of-charge
of the battery bank.
All batteries are charged by the engine ALTERNATORS while
underway. The engine/house batteries are charged by the
BATTERY CHARGER when connected to shore power. Ensure
the Battery Charger and Inverter circuit breakers at the
electrical panel are ON. The GENERATOR will also charge the
batteries.
REDTAIL - Version 2015 - May
You should check these by depressing the test button to make sure they are
Voltage (Wet Cell Battery) Battery State
12.65 volts
12.47 volts
12.25 volts
11.95 volts
11.70 volts
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