BRP E250DHLSCS Service Manual page 31

Typical battery functions
Never connect an external bat-
IMPORTANT:
tery isolator to the stator of an Evinrude E-TEC.
Primary
Used as starting battery under normal operating
•
conditions.
Red (+) cable connected to battery selector
•
switch.
Primary battery is charged by connection to
•
main red (+) outboard battery cable.
Dual outboard installations can utilize the oppos-
ing outboard's primary battery as a secondary bat-
tery for emergency starting only.
Secondary
Used as back-up starting battery under abnor-
•
mal operating conditions.
Red (+) cable connected to battery selector
•
switch.
Secondary battery is charged independently
•
from primary battery.
Accessory
Not used as starting battery.
•
Isolated from outboard start function.
•
No red (+) cable connected to battery selector
•
switch.
Secondary and accessory batteries are often
charged by an isolated battery charging circuit.
Refer to Auxiliary Battery Charging on p. 30.
INSTALLATION AND PREDELIVERY
Battery Switch Requirements
Battery switches must meet the following require-
ments.
The switch must be approved for marine use.
•
The switch should be a "make before break"
•
design to protect the charging system from a
no-load condition.
Switch amperage rating should be adequate for
•
the outboard it will be used on.
Use one battery switch for each outboard
•
installed.
Use the appropriate sized wire and terminals for
•
all connections.
Use AWG stranded copper wire.
•
Battery Switch Location
Always locate battery switch as close to the bat-
•
teries as possible.
Locate switch so that it cannot be accidently
•
bumped or switched.
Refer to the battery switch manufacturer's
•
installation instructions for specific information
related to the installation of switch.
Fasten all battery switches to solid surfaces.
•
Route wiring as directly as possible.
•
Support the battery switch as needed to prevent
•
abrasion.
Use appropriate wiring and connectors.
•
Seal all connections and terminals with liquid
•
neoprene or electrical sealer to prevent corro-
sion.
Insulate all battery positive (+)
IMPORTANT:
terminals to prevent shorting.
BOAT RIGGING
2
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