Electrical

Batteries

• Two identical Seahawk Gel Deep Cycle 97s, model 5320494
• Purchased around 2003 (??)
• Mfgr Part number 8G31DT
• These used to be sold by West Marine under their brand
• Group 31
• 98 AH
• 485 CCA
• Mounted in port cockpit locker, batt #2 outboard, batt #1 inboard. In 2010, these were wired in parallel as bank #2.
• One SeaGel® Marine Deep Cycle Gel
• Purchased 2010
• Mfgr Part Number 8GU1H
• Sold under West Marine Brand, model #319830
• Group U-1
• 31 AH
• 215 CCA
• Mounted in port cockpit locker, aft of the other batteries.
• Added in 2010. Wired as bank #1 and used as a reserve starting battery

Voltmeter

• Blue Seas Systems three-position analog voltmeter, wired directly to banks 1 & 2
• Mounted on starbord bulkhead behind nav station

Battery Switch

• Perko, two battery, mfgr pn 8501DP, original equipment
• Off / 1 / All / 2
• No Alternator field disconnect
• No lock

Alternator

• Mando 55 Amp from Moyer Marine in 2003
• Decal gives "API Marine Inc Part No. 20054 UNI, Mfg Date 2/10/03"
• Alternator Belt: 26" to accomodate the larger pully on the hi-output alternator
• Internal Voltage Regulator, Part # VR54

Battery Charger

• Xantrex Truecharge 20+ Multistage Charger
• 20 Amp continuous rating
• Full charge rate for 75% of charging cycle
• Can charge three banks, only two used.
• AC / DC isolation
• Supports flooded, gel cell, or AGM batteries
• Installed on cabin bulkhead in port cockpit locker
• Optional battery temperature sensor installed on neg terminal of batt #1
• Optional remote panel installed, on starbord bulkhead behind nav station

Wind Generator

• AirX Marine 400 Watt turbine, Southwest Windpower
• Serial #100986
• Installed Sept 2007
• Mounted on optional tower kit, on port-stern toe rail
• Rotor Diameter 46"
• Startup wind speed 7 mph
• 400 watts @ 28 mph
• Regulator Set Point:
• Factory preset to 14.1 V
• Adjustable from 13.6 V to 17.1 V
• Regulator Hystersis:
• 14.1 V cut-out
• 12.75 V cut-in
• Braking when cut-out
• Overspeed protection:
• Drops RPM to 500-700
• Activated above 35 mph, released below 32 mph
• Above 50 mph, drops RPM to almost 0 for 5 minutes
• Stop switch, wired to short generator when off for braking
• Wired directly to #2 bank, not thru battery switch
• 30 Amp DC Ammeter, next to switch
• LED indicator on generator:
• Steady On: Charging
• Fast Blink: Regulation setpoint reached
• Slow Blink: Stall mode, overspeed protection

DC Panel

• Original Pearson panel.
• Toggle switches & cartridge fuses.
• Mounted on starbord bulkhead behind nav station
• Ten circuits, labeled:
1. Blower
• 15 A fuse
2. Autopilot
• 20 A fuse
• Circuit includes GPS??
3. Cabin Lights
• 20 A fuse
• Six cabin spots, 10W Halogens, BA15S base
• Two V-berth spots, 10W Halogens, BA15S
• One fluorescent tube in head
• One fluorescent tube in galley
• One round fixture in galley, one GE90 bulb
4. Running Lights
• 20 A fuse
5. Bow Light
• 20 A fuse
• Mounted on mast, just above spreaders.
6. Mast Light
• 15 A fuse
• Mounted on masthead.
7. Spreader Lights
• 15 A fuse
8. Pumps
• 20 A fuse
• Pressure water pump.
• Shower sump pump
9. Instruments
• 15 A fuse
10. VHF
• 15 A fuse

AC Panel

• Boat came with the original minimal Pearson AC distribution system
  • Installed behind cover on bulkhead inside port cockpit locker
  • Old cartridge fuses only, no breakers or circuit switches.
  • No Galvanic Isolator
  • Only two branch circuits
  • Main:
  • 30A fuses in Hot and Neutral sides
  • Branch 1:
  • 20A fuse
  • Branch 2:
  • 15A fuse
• Added a Galvanic Isolator in January 2010
• Yandina GI-50N, a no-frills, 50-Amp unit
• Upgraded to modern AC Circuit-Breaker Panel in March 2010
  • Blue Sea 8027 panel
  • Dual 30 Amp ganged main breakers
  • Four 15 Amp Branch circuits, with room for two more
  • Branch 1: Battery Charger
  • Branch 2: Hot Water Heater
  • Branch 3: Main Cabin Outlet
  • Branch 4: Head/Shower Outlet
  • Label backlights powered from separate 12V supply directly connected to AC power

Copyright © 2010 Edward Criscuolo. All Rights Reserved.