Section 4
4-10
41 Cantius
DC Master Panel
The DC master panel consists of a voltmeter, ammeter, a battery test
switch, a series of switch-type and resettable circuit breakers, a
generator start switch and the DC main circuit breaker.
The meter is a convenience feature which allows you to check on the
condition of the batteries. With master breaker switch in the OFF
position, turn battery test switch to:
• STBD - to check the starboard engine cranking battery
• PORT - to check the port engine cranking battery
• GENERATOR - to check the generator cranking battery
• HOUSE - to check the house batteries
• OFF - to disable meter and test circuit
The switch-type circuit breakers allow you to manually enable or
interrupt a circuit by moving the switch on or off, and they protect the
system receiving the DC power by automatically opening the circuit
should a short or overload condition occur.
The resettable circuit breakers protect the system receiving the DC
power by automatically opening the circuit should a short or overload
occur.
OPERATION OF DC SYSTEMS
Read through the table on the following page(s) to familiarize yourself
with the DC systems on your yacht.
CAUTION
DO NOT reset a breaker which has been
automatically tripped without first identifying and
remedying the cause of the problem.
DANGER
A glowing red polarity light indicates that a reversed
polarity electrical shock hazard exists and damage to
appliances will occur. DO NOT use shore power while
red light is ON. Disconnect the shore cord and have the
shore outlet serviced by a qualified electrician before
using.
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Summary of Contents for 41 Cantius
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