Note: Chaparral recommends leaving the parallel switch in
OFF position unless starting engine.
AC/DC Converter and Battery Charger
Your Chaparral boat has a battery charging system which operates off
120 or 220 volt AC power from shore or the generator charging sys-
tem. Turn the charger on at the main cabin electrical panel whenever
your boat is connected to shore power to keep batteries fully charged.
The AC-to-DC converting and charging system is fully automatic and
permanently wired into the 12 volt DC system. If the monitored battery
level drops under the full charge range, the charger automatically
turns ON and restores the battery to FULL charge status. If the bat-
tery is deeply discharged, the charger will deliver full output. Output
automatically decreases as the battery is charged. If the battery is
fully charged, the charger provides a trickle charge as needed.
120 or 220 Volt AC Power
The alternating current (AC) electrical system operates off a stan-
dard 30 amp 120 or 220 volt, 60 or 50 cycle shore power system or
the optional onboard generator.
The main distribution panel in the cabin area has SHIP and SHORE
toggle switches which are covered by a sliding panel to prevent
turning both switches to ON at the same time.
If your boat has an air conditioning system, the main panel could
have an additional set of SHIP and SHORE switches dedicated to
the air conditioner. If your boat has an onboard generator, you can
use the generator to power the air conditioner. More detailed infor-
mation about the generator and the air conditioning is in Chapter 4
and in the manufacturer’s literature in the owner’s packet. Check
with your Chaparral dealer about proper generator usage.
Shore Power
Before you connect your boat to shore power, turn off the main
cabin circuit breakers. Attach the shore power cord to the boat first
and turn clockwise to lock. Thread the locking ring on the inlet to
secure the cord. Connecting the cord to the boat first will prevent
dropping a “hot” cord into the water. (When you leave the dock,
remove the cord from the dockside shore outlet first.) If you have
3-4
CAUTION: To prevent damage to electrical system, never oper-
ate shore power system at low voltage.
Figure 3.2 280, 290, 310, 330, 350 Battery Panel
1. Turn off boat’s shore power switch.
2. Connect cable at boat first.
3. If polarity warning indicator is activated,
immediately disconnect cable.
4. Disconnect at shore outlet first.
5. Close inlet cover tightly.
SHORE POWER
WARNING
To minimize shock hazard, connect and
disconnect cable as follows;
DO NOT ALTER SHORE POWER CABLE CONNECTORS
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