5-16
520 Express Series
520 Express Series
AC Switch
Function
Shore Main 2 Breakers
REFRIGERATOR
The refrigerator/freezer operates from 120 volt or 220 volt shore power or generator power. When using shore power
or generator power, place this circuit breaker in the ON position to apply AC power to the refrigerator/freezer. Refer
to the owner’s manual for operating instructions.
ICE/
REFRIGERATOR
The refrigerator/ice maker operates from 120 volt or 220 volt shore power or generator power. When using shore
power or generator power, place this circuit breaker in the ON position to apply AC power to the refigerator/ice maker.
Refer to the owner’s manual for operating instructions.
RANGE
The electric range can only be operated from AC shore or generator power. Place this circuit breaker in the ON posi-
tion to make power available to turn the range on. Move breaker to the OFF position to interrupt current to the range.
Refer to the owner’s manual for operating instructions.
OUTLETS
Turn these breakers to the ON position to supply power to the outlets.
SPARE
This breaker was installed to handle an additional AC component that you may want to add to the existing system.
AC/HEATER
FWD
Turn this breaker ON to power the forward heating/cooling unit. The DC Panel Main Breaker MUST be in the ON posi-
tion to power the shower sump/condensate pump.
AC/HEATER
AFT
Turn this breaker ON to power the aft heating/cooling unit. The DC Panel Main Breaker MUST be in the ON position
to power the shower sump/condensate pump.
AIR COND PUMP
Turn this breaker ON when running any AC/HEATER.
BATTERY CHARGER
To operate the battery charger, place the circuit breaker in the ON position. The battery chargers provide automatic
battery charging. They generate 24V DC to charge the associated batteries. Move the breaker to the OFF position to
turn the battery charger OFF.
GFCI (Ground Fault
Circuit Interrupter)
The GFCI protects against hazardous electrical shock that may be caused if your body becomes a path through which
electricity travels to reach ground. This could happen when you touch an appliance or cord that is “live” through faulty,
damp, or worn insulation, etc. For example, you could touch plumbing or other material that leads to ground. When
protected by GFCI a shock may still be felt, but the GFCI should disconnect power quickly enough so a person in
normal health should not have electrical injury (infants and very small children may still be affected).
The GFCI WILL NOT protect against:
Line-to-Line shocks like the type recieved by touching metal inserted in the hot and neutral terminals of an outlet.
The fuse or circuit breaker at the distribution panel MUST provide protection for current overloads or line-to-line short
circuits.
If the GFCI trips of its own accord, this indicates a possible ground fault condition which is potentially haz-
ardous. Investigate the ground fault condition at once by making a thorough check to determine where the
ground fault exists in the equipment plugged into your GFCI. Correct the defect at once. Carry out the test
procedures as outlined to ensure that your GFCI is operating properly. If the GFCI does not reset, this indi-
cates a ground fault still exists and must be corrected.
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