Electrical System
4-3
Section 4
C280 / S280 / C310 / ST310
Battery Switches
There are two battery switches to manage
the 12-volt power distribution. One battery
switch controls both engine batteries. The
other battery switch controls the house bat-
tery. The port and starboard batteries can be
paralleled by switching the engine battery
switch to "combine batteries." It is possible
to parallel the engine batteries with the
house battery by placing both battery
switches in the “combine batteries” position.
Make sure the house and the battery
switches for the engines are in the "ON"
position whenever the engines are running
to ensure ALL 12-volt accessories will oper-
ate when they are needed. Current is sup-
plied to the CO detector, the automatic float
switches for the bilge pumps, and the stereo
memory, when the batteries are connected
and the battery switches are "OFF".
4.3 Main Breakers
Electronics Main
These are reserved for electronic accesso-
ries installation. An electronic bus is located
behind the helm.
Helm Main
Supplies the 12-volt current to helm panel.
Windlass (Optional)
The windlass breaker is located on the MDP.
Push the red button to open the circuit
breaker. To reset or turn the circuit breaker
on, rotate the black lever to "ON." Turn off
this breaker when the windlass is not in use
to reduce the possibility of accidentally acti-
vating the windlass.
S 280 and S 310 only – Refrigerator
The refrigerator is controlled by a toggle
style breaker, it can be turned ON or OFF
when selected.
Other Breakers
All remaining devices and circuits are pro-
tected by '' ‘PUSH to reset’ breakers that are
in the normally in the ON position. If a
breaker trips, reset by pressing the plunger.
Each breaker is labeled with the name of the
device it protects.
The stereo memory and aft bilge pump float
switch are always ON.
Bilge pumps and bilge pumping systems are
not designed for damage control. Make sure
all bilge pumps are functioning at regular
intervals. Debris can also prevent the pumps
from functioning or operate continuously.
Make sure no debris is blocking the bilge
pump float(s). Continuous operation of the
bilge pumps can mean a leak or a drain plug
is installed incorrectly, make sure all drain
plugs are installed.
Power to the stereo is supplied by the stereo
breaker located on the helm panel. The for-
ward and aft sump breakers are not used.
Breakers also protect the battery charger
wiring, engine charging isolator wiring, the
electric head and the holding tank macera-
tor. If you experience a battery-charging
problem, check the charger and engine iso-
lator breakers and reset as necessary.
Downrigger circuits, are protected by a 30
Amp breaker. For aftermarket installation,
wiring is provided and routed to the port and
starboard gunwales, just aft of the gunwale
boards. The proper and correct terminals,
must be provided by the installer for the
equipment selected for installation,
! CAUTION
DO NOT operate the boat with the
engine battery switch in the combine
batteries position.
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