5-10
520 Express Series
520 Express Series
DC Panel Circuit Breaker Functions
24V DC Circuit
Breakers
Function
DC MAIN
Put the breaker switch in the ON position to send power to the 24V DC cicuit breakers described below, except the
PUMP FWD HEAD and the PUMP AFT HEAD circuit breakers. The SHOWER SUMPS circuit breaker should be reset
immediately if they are tripped.
LIGHTS FSR
Put the breaker switch in the ON position to send power to the FSR light switches. Move switch to the OFF position
to interrupt current flow.
LIGHTS MSR
Put the breaker switch in the ON position to send power to the MSR light switches. Move switch to the OFF position
to interrupt current flow.
LIGHTS PORT HEAD
Put the breaker switch in the ON position to send power to the port head light switches. Move switch to the OFF posi-
tion to interrupt current flow.
LIGHTS STBD HEAD
Put the breaker switch in the ON position to send power to the starboard head light switches. Move switch to the OFF
position to interrupt current flow.
PUMP FWD HEAD
This circuit breaker controls power to the forward head toilets and for the waste tank indicators. Put the breaker switch
in the ON position to send power to the toilets and waste tank indicators. Put the breaker switch in the OFF position
to remove power from these devices. The toilets will not flush when their respective circuit breakers are turned OFF.
PUMP AFT HEAD
This circuit breaker controls power to the aft head toilets and for the waste tank indicators. Put the breaker switch in
the ON position to send power to the toilets and waste tank indicators. Put the breaker switch in the OFF position to
remove power from these devices. The toilets will not flush when their respective circuit breakers are turned OFF.
FRESH WATER
PUMP
Put the breaker switch in the ON position to send power to the freshwater pump. The pump maintains pressure in the
freshwater system. Move the switch to the OFF position to interrupt current flow to the pump.
MACERATOR
This circuit breaker controls power to the macerators (optional). Put the breaker switch in the ON position to send
power to the macerators. Put the breaker switch in the OFF position to remove power from the macerator.
LIGHTS SALON
Put the breaker switch in the ON position to send power to the salon light switches. Move switch to the OFF position
to interrupt current flow.
LIGHTS GALLEY
Put the breaker switch in the ON position to send power to the galley light switches. Move switch to the OFF position
to interrupt current flow.
REFRIG/GALLEY
The galley refrigerator operates on AC or DC power. Turn this breaker ON to power the refrigerator when AC power
is not available.
SHORE RETRACT
Put these breaker switches in the ON position to control power to the retractable shore power cord remote control.
Move switch to the OFF position to interrupt current flow.
SPARE/WASH-
DOWN PUMP
This circuit breaker is installed to handle additional 24V DC system that you may want to add to the existing system,
or to control power to the optional washdown pump.
SPARE (2)
This circuit breaker is installed to handle additional 24V DC system that you may want to add to the existing system.
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