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BATTERY CHARGE CONTROLLER
THE CHARGING SYSTEM
Westerbeke's low profile generators are equipped with a
battery charge controller that is powered from a separate
winding in the generator. The battery charger controller is an
encapsulated, solid-state unit that supplies a DC charging
voltage to the generator's starting battery while the generator
is operating.
Charging Voltage: 13.1 - 13.4 volts DC
Charging Amperage: 0 - 12 amps DC
NOTE: The batte1y charging circuit is totally separate from
the AC output of the generator. The generator output affects
the circuits output, but 11ot the reverse.
A separate group of stator windings supplies AC voltage to a
bridge rectifier which ·converts the AC cwTent to supply the
charging unit. The unit senses the needs of the starting
battery and supplies a DC charge when one is needed. If you
suspect that the unit is faulty (if the battery's charge is low),
check the charging circuit and it's components(see TESTING
THE BATTERY CHARGER). Check all connections for
cleanliness and tightness including the ground before
replacing the I.C. charger.
NOTE: When the generator is first started, the charger will
produce a low charging rate. This charging rate will rise as
the generator is operated.
Fuse Protection
A 30 amp fuse protects the windings from a failure of the
bridge rectifier or the battery charger caused by a high
amperage or a short circuit.
TESTING
THE
BATTERY: CHARGER
SOME BATTERY CHARGERS HAVE JUST THREE TERMINAL
CONNECTIONS WITH THE TWO POSmVE LEADS PIGGY
BACKED" TOGETHER TO A SINGLE TERMINAL
THE VOLTAGE ADJUSTMENT POD
IS FACTORY ADJUSTED AND
DO NOT TAMPER WITH.
Testing the Battery Charger
To test the battery charger, put a multimeter between the
positive (
+)
and negative (") leads. to the battery.
It
should
indicate 13.0V to 13.4V with the engine running. If only ·
the battery voltage is indicated, check that the battery charger
terminal connections are tight. With the unit running, test
betweeo the (
+)
and (-) on the battery charger (as illustrated)
for 13,0V to 13.4V. If no charge is indicated, replace the
charger.
·
Use of a dedicated and isolated starting battery is strongly
recommended.
FUSE - INTEGRAL CONTROLLER
WINDING: NO TIME DELAY
PN/43634 30A SPADE ----------.
(+)
(
-)
CONTROL BOX
NOTE:
ON SOME MODELS
GROUND
GR.OUND
THE BATTERY CHARGE CONTROLLER
IS MOUNTED AT THIS END
OF THE CONTROL BOX
NEGATIVE TEST PROBE
57
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