Owner`s manual

4-2
Section 4 Electrical System
OS 285
Parallel switches connect the port and
house batteries, or the starboard engine and
house batteries for emergency starting, if
one of the engine batteries is dead or low.
Make sure to activate the Port Start, House
and the Starboard Start battery switches
whenever the engines are running to ensure
that all 12-volt accessories will operate when
needed. Current supplies the automatic
float switches for the bilge pumps, high
water bilge alarm and stereo memory
when the batteries are connected and the
battery switches are off. For information
on battery charging using the on-board char-
ger, refer to Battery Charger in the AC Sys-
tems section of this chapter.
Main Breakers
Main Breakers
MDP Main
The MDP main breaker is located inside the
battery switch enclosure and provides pro-
tection for all DC power to the MDP breaker
panel. This "push to reset" breaker is nor-
mally on all the time, activated by the house
battery switch, unless tripped by an over-
load.
Windlass Main (Optional)
The windlass breaker is located inside the
battery switch enclosure. This breaker is
normally on all the time, when activated by
the house battery switch, unless tripped by
an overload.
24-Hour Essential Circuits
The 24-Hour Essential Circuit breakers are
located inside the battery switch enclosure.
The stereo memory, mid bilge and aft auto
bilge breakers are always on regardless of
the battery switch settings. The mid bilge
breaker protects the forward shower sump.
Make sure this breaker is on before using
the cabin shower or activating the air condi-
tioner. The forward bilge, the aft bilge and
the battery charger wiring also have break-
ers.
Main Distribution Panel
DC Main Distribution Panel (MDP)
The following are descriptions of the func-
tions controlled by the MDP breaker panel
located below the helm seat. Toggle break-
ers that are in the normally “ON” position
protect these devices. Should any of the
breakers trip, the breaker can be reset by
! CAUTION
Do not operate the boat on a continu-
ous basis with the emergency parallel
switch in the "on" position.
! CAUTION
Install proper fuse or breaker protec-
tion for all added 12-volt equipment
DC main distribution panel (MDP). Do
not overload the accessory circuit
breakers or other circuitry through
additional 12-volt equipment.