Single.engine.-.Dual.battery.system; Installation; Battery.switch.operation.-.Single; H.-.2. Single.engine.-.Dual.battery.system - Four winns 310 Horizon Owner's Manual

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Helm Breaker
Panel Location
Figure H4: Helm Circuit Breaker Panel Location
Figure H5: Helm Circuit Breaker Panel
NOTICE
Failure to first bend the spring stay away from
you or in the wrong direction prior to closing
the helm circuit breaker door could result in
damage to the spring stay. If damage does
occur to the spring stay it will need to be
replaced.
H - 2
SINGLE ENGINE - DUAL BATTERY
SYSTEM
A.battery.selector.switch.is.installed.on.the.dual.
battery.system..Each,.the.ships'.systems.and.engine,.
has.an.individual.battery.designated.to.it.
A. Installation
1.. Connect.each.of.the.red.(positive).battery.cables...
.
leading.from.the.battery.selector.switch.to.the..
.
positive.(+).terminal.on.each.of.the.two.batteries.
Electrical Systems - Section H
Spring Stay
.
NOTICE
Be sure the two red (positive) cables are
installed on the positive (+) battery
terminals.
2.. Connect.each.of.the.black.(negative).battery...
.
cables.leading.to.the.engine.block.to.the.negative..
.
(-).battery.terminal.on.each.of.the.two.batteries.
When disconnecting the cables from the
battery, make sure all switches are off
and disconnect the black negative
cable(s) first to prevent spark.
B. Battery Switch Operation - Single
Power.to.the.engine.and.all.12.volt.electrical.equip-
ment.is.controlled.at.the.battery.switch.panel..Sepa-
rate.circuit.breakers.are.provided.on.the.battery.
selector.switch.panel.to.protect.the.windlass.(if.
applicable),.engine.hatch.lift,.shower.sump,.aft.bilge.
pump,.stereo.and.ship.systems..The."SHIP'S.SYS-
TEM" circuit breaker must be placed in the "ON"
position.to.provide.power.to.all.non-engine.related.12.
volt.electrical.equipment..
A.description.of.the.various.positions.for.this.battery.
switch.is.as.follows:
"OFF" - With the battery selector switch 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,.stereo.memo-
ry.and.windlass.(if.applicable)...Always.turn.the.battery.
selector.switch.and.the.ship.systems.breaker.switch.(if.
applicable) to the "OFF" position when the boat is
unattended.for.an.extended.period.
NOTICE
DO NOT turn the battery selector switch to
the "OFF" position while the engine is
running. Alternator and wiring damage
could result.
"ON" - Turning the switch to position "ON" will use the
engine.battery.to.power.the.engine.and.12.volt.engine.
related.equipment...The.ships.system.battery.will.not.
be.used.for.any.engine.related.equipment,.but.will.
power.all.other.12.volt.equipment.on.the.boat.(when.
"SHIP SYSTEM" circuit breaker is on). The isolator will
.
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