2870 WALKAROUND
Battery Selector Switches
There are two battery selector switches located below the
access hatch in the bridgedeck. One battery switch feeds the
starboard engine and the 12-volt accessory panel. The other
battery switch feeds the port engine. 12-volt power can be
supplied by either battery #1 or battery #2 separately or by both
batteries simultaneously. The selector switches also direct the
charging current when the engines are operating.
For example: When both selector switches are on battery #1, both engines and the 12-volt panels
will be powered by battery #1. Battery #2 will be isolated and in reserve. Battery #1 will be charged
by both alternators. When both selector switches are on battery #2, both engines and the 12-volt
panels will be powered by battery #2. Battery #1 will now be isolated and in reserve. Battery #2
will then be charged by both alternators.
When both selector switches are on “ALL,” the batteries are connected in parallel. Thus, both
batteries are used by both engines and all 12-volt equipment.
The “ALL” or “BOTH” positions should only be used when starting the engines, as this requires
extra electrical power, or in case of a charging system malfunction on one engine. Otherwise, it
is recommended that one selector switch be set on battery #1 and the other switch be on battery #2
when the engines are operating. When in port or at anchor, the switch that supplies the port engine
should be off and the switch that supplies the starboard engine should be on either the battery #1
or the battery #2 position. This will keep one battery in reserve for starting the engines. Both
switches should be in the “OFF” position when leaving the boat unattended.
Note: Current is supplied to the automatic float switch for the bilge pump when the
batteries are connected and the battery selector switches are off.
4-2
Battery Selector Switch
Summary of Contents for 2870 Walkaround
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Page 117: ...2870 WALKAROUND 15 1 Chapter 15 SCHEMATICS 12 Volt DC Wiring Schematic ...
Page 118: ...2870 WALKAROUND 15 2 110 Volt Wiring Schematic ...
Page 119: ...2870 WALKAROUND 15 3 HydraulicSteeringSystem HydraulicLines Tie Bar SteeringCylinder Helm ...
Page 120: ...2870 WALKAROUND 15 4 Fuel System ...
Page 121: ...2870 WALKAROUND 15 5 Fuel Valves ...
Page 122: ...2870 WALKAROUND 15 6 Freshwater System ...
Page 123: ...2870 WALKAROUND 15 7 Raw Water System ...
Page 124: ...2870 WALKAROUND 15 8 Hull Drainage Head with Y Valve ...
Page 125: ...2870 WALKAROUND 15 9 Hull Drainage Head with Y Valve and Macerator ...
Page 126: ...2870 WALKAROUND 15 10 Cockpit Drainage System ...
Page 127: ...2870 WALKAROUND 15 11 Sling Positions ...
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Page 137: ...2870 WALKAROUND Appendix B Hours Date Dealer Service Repairs MAINENANCE LOG B 1 ...
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