DC Electric Systems
7.4
The battery switch panel houses the breakers for some
of the main components in your DC system. The breaker
controls are marked at the switch panel, and control sys-
tems or components on your boat that require a connec-
tion that remains energized even through the Main Panel
may be de-energized.
The breakers and switches are described in greater detail
in the “Breakers and Switches” section of this chapter.
7.1.3 Battery Charging System
Refer to the power supply locator drawing (Fig. 7.1) at
the beginning of this section for the location of the battery
charger. The charger is protected by a reset on the posi-
tive side at the charger.
To operate the charger, ensure that it is operating:
Connect the shore power cord to the shore power
inlet on the stern of the boat on the stbd. side. Then to
the dockside supply.
Turn on the AC Main breaker, located in the aft cabin.
Turn on the Battery Charger switch on the control
panel.
7.1.4 Breakers, Switches, and Fuses
All electrical systems aboard your boat are provided with
over-current protection in the form of breakers, resets or
fuses. Examples of breakers are the system or compo-
nent controls at the Main Distribution Panel, or MDP, or
in the battery selector switch panel. Systems that would
normally require you to energize them for use are pro-
1.
2.
3.
vided with switches.
The breaker and switch panels are detailed fur-
ther in the end of this section under “Legends.”
7.1.5 Generator (Option)
Although, technically, the generator is part of the AC
System, because it supplies AC power, the starting of
the generator requires DC power. The generator starting
receives power from the start battery bank.
The generator supplies 120 volt 60 hz AC power for oper-
ating devices and equipment controlled through the AC
control panel (Main Distribution Panel, MDP).
When the generator indicating light is on and the genera-
tor breakers are on, AC power is supplied to AC control
panel devices and equipment.
Refer to the “Operation and Procedures” part of the AC
Electric section for information on starting the generator.
You can find or locate the generator and all the respective
components using the Generator System Drawing at the
end of this chapter.
7.1.6 Main Control Panel (DC Side)
Fig.7.3
Fig.7.2
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