Regal 42SC Owner's Manual page 99

TYPICAL AC MAIN YACHT CONTROL PANEL
REVERSE POLARITY INDICATOR
Before activating the 50 amp main breaker visually check
for a green light at the reverse polarity indicator. The
green light indicates there is no reverse polarity. If the red
light appears on the revese polarity indicator a hot wire
and ground are probably reversed somewhere in the cir-
cuit from the dock to the main panel. On ELCI equipped
yachts the ELCI breaker will "trip" if a reversed polarity
situation develops. On earlier isolation transformer yacht's
there is no ELCI breaker. On select later yachts the main
50 amp shore power inlet breaker will "trip".
In all cases do not activate the main 50 amp breaker. Take
immediate corrective action to fi nd the cause of the re-
verse polarity situation. At this point, disconnect the
shorepower cord from the marina power center and call
for professional assistance.
50 AMP MAIN BREAKER
This single throw, triple pole main breaker controls power
to the 120 and 240 volt sections of the panel and eventu-
ally delivers electricity through a system of sub breakers
to the entire yacht. Before you energize the breaker it is
always a good idea to check all the legs on both the 120
volt and 240 volt side for breakers that are in the "on" po-
sition. Turn any breakers found "on" to the "off " posi-
tion. This prevents any excessive equipment motor draws
and may eliminate any system arcing.
With the reverse polarity indicator showing the green icon,
activate the main breaker by pushing the single throw arm
up. AC electricity now is distributed to both the 120 and
240 volt legs of the panel. Turn on sub breakers as needed
always being conscious of the load current meters..
60 AMP AC GENERATOR BREAKER
When the yacht is under generator power at sea AC elec-
tricity is distributed through the 60 amp main generator
breaker located on the AC main ship's panel beside the
main breaker. See the previous illustration and the genera-
tor section for further information.
Before activating the generator AC breaker it is recom-
mended to make sure all the equipment breakers are "off."
Slide the bar to the left so the generator 60 amp breaker
arm will clear when activated. Push the single throw arm
up to energize generator AC current to the sub panel
breakers. Switch on the sub panel breakers as needed.
LINE VOLTAGE/CURRENT METERS
After the shore power 50 amp main breaker or generator
60 amp breaker is activated line voltage up to 240 volts
will display on the 240 volt (right side) of the main panel.
As sub panel 240 volt equipment breakers are activated
the load current meter (extreme right side of 240 volt
panel) will show an amperage draw. Normally the amper-
age will ascend as more equipment breakers are activated
and will descend as equipment breakers are deactivated.
After the 60 amp main panel breaker or generator breaker
has been activated no voltage will appear on the 120 line
voltage meter at the extreme left side of the main control
panel with the 120 shore power switch in the "off or cen-
ter" position. This is normal. See the illustration.
The 120 volt shore power switch is located between the
line voltage and load current meters. See the illustration.
As stated above with the shore power switch in the "cen-
ter" position it is off. When the shore power switch is
moved to the left the line voltage meter will display up
to 120 volts available at leg A. As equipment breakers are
activated the load current (amperage) meter will ascend
and descend as equipment breakers are deactivated.
When the shore power switch is moved to the right the
line voltage meter will display up to 120 volts available at
leg B. As equipment breakers are activated the load cur-
rent (amperage) meter will ascend and descend as equip-
ment breakers are deactivated.
As a general note on equipment breakers when leaving
the yacht it is recommended that most breakers be turned
off.
It may be necessary to leave the battery charger on dur-
ing extended periods and the salon refrigerator. Since the
refrigerator is dual voltage (12 and 120) make sure the DC
refrigerator breaker is activated and the AC refrigerator
breaker is deactivated upon leaving the vessel.
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Chapter 4