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B. Operation
Power to the engines and all 12 volt electrical equipment
is controlled at the battery selector panel. On the 378
Vista™ model, separate breakers are provided on the
battery selector switch panel to protect the windlass, for-
ward and aft bilge pump, battery charger outputs, and
ship systems.
1. Battery Selector Switch
The battery selector switch positions for the 378 Vista™
are as follows:
"OFF" - With the battery selector switches in the "OFF"
position and the "SHIPS SYSTEMS" circuit breaker in
the "off" position, all 12 volt power to the boat is shut off
except to the automatic bilge pumps. Always turn the
battery selector switch to the "OFF" position when the
boat is unattended for an extended period.
NOTICE
Twelve volt power to the cabin panel is supplied
by the "SHIPS SYSTEMS" circuit breaker on the
battery selector panel. This must be turned on
to operate any 12 volt accessories on the cabin
panel. The bilge pumps receive power from the
ships system battery and remain on at all time
regardless of battery selector or ship systems
switch positions.
NOTICE
DO NOT turn the battery selector switch to the
"OFF" position while its corresponding engine is
running. Alternator and wiring damage could re-
sult.
2. Port Engine Battery Switch:
"ON" - Turning the switch to position "ON" will use the
port engine battery to power the port engine and 12 volt
engine related equipment. The ships system battery
will not be used for any engine or engine related equip-
ment with only one exception - an emergency start situ-
ation. The ships system battery will power all other 12V
equipment on the boat. The isolator will allow the en-
gine alternator to fully charge all four batteries. "ON" is
the recommended switch position for normal boat op-
eration.
378 Vista™ Owner's Manual
™
378
3. Starboard Engine Battery Switch:
"ON" - Turning the switch to position "ON" will use the
stbd engine battery to power the stbd engine and 12 volt
engine related equipment. The ships system batteries
will not be used for any engine or engine related equip-
ment with only one exception - an emergency start situ-
ation. The ships system battery will power all other 12V
equipment on the boat. The isolator will allow the en-
gine alternator to fully charge all four batteries. "ON" is
the recommended switch position for normal boat op-
eration.
4. Emergency Start Procedures
If one of the designated engine batteries fails to start its
respective engine, place the "EMERGENCY START"
switch to the "ON" position and attempt to start the en-
gine. See the electrical schematic titled "378 Vista™
Battery Switch Panel Assembly" at the end of this
manual. Current is drawn from the other batteries to
start the engine. Once engine has been started return
the battery selector switch to the "ON" position. Once
back at port, be sure to have the failed engine battery
checked out for possible service or replacement.
C. Battery Charger
The battery charger is standard equipment and is located
in engine compartment on the port side. The batteries
will be charged by the battery charger when the boat is
connected to dockside power.
Additional information on the battery charger can be found
in Section H-6B - 120 Volt AC Equipment in this manual
and refer to the manufacturer's literature included with
the owner's packet.
H - 3
VOLTMETER
On the 378 Vista™, two voltmeters are installed in the
dash panel to monitor the condition of the batteries when
the ignition is on. When the voltage is checked during
engine or battery charger operation, the voltage of the
respective battery will be indicated on the voltmeter. It is
common to have a 12-14 volt reading when the engines
are running. It should be noted that located in the cabin
panel are voltmeters which monitor the "SHIPS SYS-
TEMS" voltage. Additional information on voltmeters may
be found in the engine owner's manual.
Section H
Page 2
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