PURSUIT Denali 28, Owner'S Manual

Page: 42 / 148

DENALI 28
Twin Engine Battery Selector Switches
There are two battery selector switches located in the engine
compartment. 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. Both batteries will then be charged
by both alternators.
The “ALL” 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. Operating the boat with both
selector switches in the “ALL” position with fully charged batteries could cause voltage
fluctuations in the 12-volt electrical system that may adversely affect the electronic engine controls.
Therefore, 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.
Single Battery Selector Switch
The battery selector switch is located in the engine compartment. The selector switch feeds the
engine, ignition switch, gauges and all engine related accessories. An on/off main accessory
switch, located next to the battery selector switch, supplies current to the 12-volt accessory switch
panel, the cabin accessory breaker panel and the other 12-volt accessories in your boat. 12-volt
power can be supplied by either battery # 1 or battery # 2 separately or by both batteries
simultaneously. The selector switch also directs the charging current when the engine is operating.
Additionally, the battery selector switch must be on to supply current to the on/off main accessory
switch.
For example: When the battery selector switch is on battery # 1, the engine and the 12-volt
accessory main switch will be supplied power by battery # 1. Battery # 2 will be isolated and in
4-2
Twin Engine Battery Switches