Sea Ray 425 Sundancer Owner's Manual Page 103
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6.1
SECTION 6 • ELECTRICAL SYSTEM
40 Sundancer
®
(425 Sundancer
®
)
1. DC SYSTEM
The 12 volt direct current (DC) electrical system
derives its power from the batteries, which are kept
charged by an engine-driven alternator and/or AC
converter. The battery voltage is indicated by the
voltmeter on the main distribution panel and control
station instrument panel. Each battery bank can be
checked with the battery voltage test switch on the
DC distribution panel or the voltmeters at the helm,
when the ignition is on. The batteries supply power
to the main DC breaker panel in the bilge. In turn,
this panel distributes power to the electronic fuse
block and the control station breaker panel at the
helm and to the DC distribution panel in the salon.
The 12 volt helm station and cockpit systems are
protected by the ELECTRONICS and CONTROL
STATION breakers on the main DC breaker panel
on the forward bulkhead of the bilge. The 12 volt
functions on the salon DC distribution panel are
protected by the “CABIN MAIN” breaker on the
main DC breaker panel.
The negative terminal of each bank of batteries is
attached to the main DC negative bus and the
negative studs of the propulsion engines and the
generator. This “negative ground system” is the
approved system for marine DC electrical systems.
2. BATTERIES
The batteries in your boat have been selected for
their ability to furnish starting power based on engine
and generator starting requirements as well as their
ability to supply power to the DC system.
The following table describes the recommended
marine cranking batteries to install in your boat.
MAIN ENGINE BATTERIES (GAS)
(FIG. 6.1.1)
B
A
Application Group Volts CCA* Reserve Qty.
Engines 27 12 600 155 4
*COLD CRANKING AMPS
Bow Thruster 31 12 800 200 2
FWD
F
E
D
C
H
G
J
I
MAIN DC NEGATIVE BUS
STBD ENGINE BATTERIES
PORT ENGINE BATTERIES
PORT ENGINE STARTER (POSITIVE)
PORT ENGINE NEGATIVE
MAIN BATTERY SOLENOID BOX
ENGINE TO ENGINE NEGATIVE
MAIN DC BREAKER PANEL BOX
STARBOARD ENGINE NEGATIVE
GENERATOR
ENGINE TO ENGINE NEGATIVE
STARBOARD ENGINE STARTER
(POSITIVE)
L
K
A
B
C
D
E
G
I
J
K
L
F
H
- 40 Sundancer 1
- INTRODUCTION 3
- ABOUT YOUR LIMITED WARRANTY 6
- (425 Sundancer 12
- SECTION 1 • SAFETY 13
- 1. DOCKING/LIFTING/STORAGE 35
- 2. PASSENGER LOCATIONS 36
- (FIG. 2.3.1) 37
- 4. PROPULSION SYSTEM 38
- 5. PROPELLERS 38
- 6. GENERAL DECK LAYOUT 39
- 7. CABIN LAYOUT 40
- 8. SPOILER 41
- (FIG. 2.8.1) 42
- . 2.9.1) 43
- (FIG. 2.10.1) 44
- CONTROL STATION SWITCH PANEL 44
- (DIESEL OPTION) 44
- (FIG. 2.10.2) 44
- (FIG. 2.11.1) 45
- PORT THROUGH-HULL FITTINGS 45
- (FIG. 2.11.2) 45
- BILGE THROUGH-HULL FITTINGS 46
- (FIG. 2.12.1) 46
- TRANSOM THROUGH-HULL FITTINGS 46
- (FIG. 2.12.2) 46
- 11. MAJOR CONTROLS 47
- C. HYDRAULIC TRIM TABS 48
- 12. IMPORTANT GAUGES 50
- C. SYNCHRONIZER 51
- Engine Shutdown 52
- Override System 52
- SEA-FIRE 52
- G. S YSTEMS MONITOR 53
- Function 55
- Description 55
- NAVIGATOR 56
- 14. CONSOLE DIMMER 57
- SWITCHES & RECEPTACLES 58
- (FIG. 2.24.1) 58
- SWITCH AND RECEPTACLE LAYOUT 59
- (FIG. 2.26.1) 60
- 16. LIGHTING LAYOUT 61
- LIGHTING LAYOUT 62
- SECTION 3 • USING YOUR BOAT 63
- 1. BILGE 81
- 2. BILGE PUMPS 81
- 3. BILGE BLOWERS 82
- 4. ENGINES 83
- 5. ENGINE GAUGE PACKAGE 83
- 8. MARINE GEARS 84
- 9. ENGINE EXHAUST SYSTEM 84
- 6. FRESH WATER COOLING SYSTEM 84
- 7. ENGINE MOUNTS 84
- 10. ENGINE REMOVAL 85
- 11. VIBRATION & CAUSES 85
- D. COUPLING OUT OF TRUE 86
- F. O THER POSSIBLE CAUSES 86
- 13. UNDERWATER GEAR 87
- B. SHAFTS 90
- C. CARRIER SEAL KIT 90
- D. STRUT 91
- 15. SEACOCKS & STRAINERS 92
- 16. HYDRAULIC POWER STEERING 93
- 17. ELECTRIC BILGE HATCH 93
- 18. 40 DA BILGE LAYOUT 94
- 40 DA BILGE LAYOUT (DIESEL) 95
- SECTION 5 • FUEL SYSTEM 100
- SECTION 6 • ELECTRICAL SYSTEM 103
- Engines 27 12 600 155 4 103
- Bow Thruster 31 12 800 200 2 103
- ECTION 6 • ELECTRICAL SYSTEM 112
- 2. CARBON MONOXIDE MONITORS 149
- 1. LAYOUT AND ACCESSORIES 149
- 4. WATER SYSTEM 150
- A. WATER TANK 151
- B. WATER PUMPS & FILTER 152
- E. WATER HEATER 153
- ! WARNING 153
- F. DOCKSIDE WATER INLET 154
- G. C OCKPIT SHOWER 154
- H. GRAY WATER SUMP 154
- 5. HEAD SYSTEM 155
- B. VACU-FLUSH 156
- ! CAUTION 156
- 6. MACERATOR DISCHARGE PUMP 157
- SEACOCK INTERLOCK SYSTEM 157
- (OPTIONAL) 157
- 7. COMMUNICATION SYSTEM 158
- 8. ENTERTAINMENT CENTERS 159
- (FIG. 7.12.2) 160
- AUTOMATIC FIRE EXTINGUISHER 160
- (FIG. 7.12.1) 160
- C. HAND HELD EXTINGUISHERS 161
- 10. BOW THRUSTER (OPTIONAL) 162
- 11. REFRIGERATOR/FREEZER 162
- 12. COFFEE MAKER 162
- 13. STOVE & MICROWAVE 163
- 14. POWER VENTILATION SYSTEM 163
- 15. CENTRAL VACUUM (OPTIONAL) 163
- 16. HORN 163
- 17. CONVERTIBLE SOFAS 164
- 18. PRIVACY CURTAIN 164
- 19. SHORE POWER 164
- 20. WINDSHIELD VENT 164
- 21. CANVAS 164
- B. STORAGE: 165
- C. INSTALLATION TIPS: 165
- 22. FLOOR PLAN 166
- FLOOR PLAN 167
- (425 Sundancer 168
- MAINTENANCE 169
- 3. FIBERGLASS & GELCOAT 185
- SUBSTANCES 185
- 6. CARE FOR BOTTOM PAINT 186
- 5. PERMANENTLY MOORED OR 186
- DOCKED BOATS 186
- 4. STAINS & SCRATCHES 186
- 7. BILGE/ENGINE COMPARTMENT 187
- 8. TOPSIDE AREAS 187
- 9. GAUGE & SWITCH PANELS 187
- 10. ACRYLIC PLASTIC SHEETING 188
- (PLASTIC GLASS) 188
- 11. CANVAS AND CLEAR VINYL 188
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