Sancerre

Documentation

Slide

​

2. Fuses

3. Overview

4. Primary Power Distribution & control.

5. Shore Power

6 - 8. Electrical panel pictures

9. Example of fusing hierarchy.

10. Schematic.

11 – 14. Newtworks.

​

​

Fuses

2

Electrical panel front 10 x 38mm (labelled):

1. Top Left USB Hub – 6A.
2. Top right Low Power switched bus – 6A.
3. Bottom left Low Power non switched bus – 6A.
4. Bottom right Gas Alarm – 2A.

Fuse box 1 Blades behind battery monitors, numbered left to right.

1. Battery monitor, Domestic Bank 1 - 3A.
2. Battery monitor, Domestic Bank 2 - 3A.
3. Alarm – 3A MTA.
4. Wi-fi extender – 1A

Fuse box 2 Below Nav’s seat:

• ANL battery fuse – 200A.

Fuse Box 3 Blades below Nav’s seat, forward bulkhead:

• Heater +ve & -ve – 25A.

Fuse Box 4 under starboard berth, forward section aft bulkhead:

• ANL Battery Fuse for Bank 2 – 150A.

On diagrams:

CB 1/1 = CB panel 1, switch 1. FP = Front Panel.

FB 1/1 = Fuse block 1, position 1. TS n/n = Tag Strip n tag n, MTA = premium blade fuses for most 2, 3 & 5A.

Fuse Box 5 Nav lights + Blades on acrylic shield behind the main panel. Left to right:

1. Masthead anchor light – 2A MTA.
2. Steaming light – 2A MTA.
3. Bow and stern light – 2A MTA.
4. Masthead tri colour light – 2A MTA .
5. Compass Light – 2A MTA.
6. Radar – 7.5A.
7. Cockpit flood Light - 5A MTA.
8. Water pump - 5A MTA.

Fuse Box 6 DVSRs: Blades on acrylic shield behind the main panel. Outboard to inboard:

1. Ignition on - 5A.
2. Engine DVSR sw on auto - 3A MTA.
3. Domestic DVSR enable - 3A MTA.
4. Starter DVSR override for shore power - 3A MTA.

Fuse Box 7 Interior lighting: common in from 15A CB 2/1, numbered with LED warning:

1. Chart light– 1A MTA.
2. Unknown, legacy, possible unused by galley.
3. Spare
4. Over chart table – 3A MTA.
5. Galley – 3A MTA
6. Main Cabin, heads, forepeak, reading lights. 5A MTA

​

Stock fuses: Standard Blade - 1, 2, 3, 5, 7.5, 10, 15, 25A. MTA Midi – 30 & 60A. ANL – 150 & 200A. Large cylindrical – 2 & 6A, small cylindrical – various, 30A mini blade for solar controller.

Fuse Box 8 Power Sockets, back of panel, right hand side. Numbered outboard to in inboard. This box will not take MTA fuses. Forepeak 10A

1. 12V Panel bottom left 10A.
2. Cockpit cuddy combo, 10A.
3. USB by radio. 5A
4. Combo back left of chart table,
5. 2 pin socket on side of nav seat 10A
6. PC 12V port behind chart table

​

Fuse Box 9 Power Sockets common in from FB8 feed, numbered with LED warning.

1. USB under electrical panel 2A.
2. FB10: Cabin, all port side + Gas 15A.
3. Double USB above hatch 3A.
4. 12V panel top right 10A.

​

Fuse Box 10 Port side sockets etc aft end of gally cupboard. Numbered, LED’s. From FB 9/2.

1. Gas solenoid switch 2A.
2. Fwd dual socket. 10A.
3. Bulkhead socket. 10A.

​

MTA midi fuses in battery compartment:

1. Centre: From local switched bus to switch bus on panel – 60A.
2. Right: Domestic 1 bank non switched bus to non- switched post on panel – 30A.
3. Left: Victron charger to local domestic 1 non-switched – 30A?

Unpowered USB Hub behind panel

3

Ports numbered from input end

Powered USB Hub by chart table.

Ports numbered from the inboard end. Power via USB C socket.

Tag Strips

Numbered from top / inboard

Tag strips

5

Under starboard bunk, aft bulkhead

4 Way 15A CB Panel (#3 Left)

​

1. Radar - FB5/6.
2. AIS – In line fuse.
3. WiFi extender / Router.
4. Cockpit Flood FB5/7

​

30A Fuse

MARLEC HDRi Hybrid wind / solar regulator.

Gantry

SSB Rx

IridiumGo

NAVTEX

Gas Detector

Windlass 35A CB Switch

75W

Windlass Contactor

Wired remote up/down

Up Foot Switch

Non switched low power bus on panel

Memory

Fuse

GSM Alarm System

3. 5A Fuse

30A Fuse

Bat 1 OP

Bat 2 OP

Domestic Batteries

Starter Battery

Toggle Switch

Fuse

Stereo CB 1/4

MeteomanBarograph

1A Fuse

Rutland 914i

AIS GPS

Active Ae

External Iridium Ae

Active Ae

Ae

Ae

Solar

Low Power Switched Bus Bar

USB Socket

Fuse ?A

Electrical Panel

Dual 110A Common cathode

Diodes

35W

Battery Temp

Down Foot Switch

Fuse

Switch, Fuse & alarm

Hi Power Switched Post

Hi Power non switched Post on main Panel

1. 3A Fuse

2. 3A Fuse

4. Spare

Wi-Fi extender

FB1

Bank 1

Bank 2

Battery monitor supplies

1B2 Domestic Battery Switch

30A CB by bilge sw

CB 3/3 via FB1/4

Box in Forepeak

Cockpit

(Stbd cuddy)

Foredeck

1100 GPH Auto Bilge pump (internal sensor)

Hours Meter

1A Fuse

6 Way 15A CB Panel (#1 Centre)

​

1. Instruments TS1/1.
2. VHF + in line fuse.
3. Autopilot Drive.
4. Stereo - in line fuse.
5. Power Skts. FB8 & 9.
6. Water Pump FB5/8

​

TS1-9

6 Way 15A CB Panel (#2 Right)

Lights

1. Interior. FB8
2. Tri Lantern. FB5/4
3. Low Nav. FB5/3.
4. Steaming. FB5/2.
5. Anchor. FB5/1.
6. Compass. FB5/5

​

Non-switched Bus

60A MTA1

MTA3

DAB Ae

OVERVIEW

Victron 15A smart charger in

Stbd locker

See Shore power sheet

1A Fuse

C

Fuse

CB 3/2

AIS 600

Fuse P1

Battery compartment

Switched Bus

Redundant ex toilet

TA1-8

6A Panel Fuse 3

2A Panel Fuse 4

6A Panel Fuse 2

30A MTA2

Side of Starboard Bunk

​

Sterling Power Galvanic Isolator

​

Handheld VHF charger powered from Garmin VHF after in line fuse.

To USB hub via FP1, s/w & 5A step down.

Gas on, see separate diagram.

CB1/6 FB 10 via FB 9

7

Domestic Bank 1 Battery 1

120 AHr AGM 1,000 CCA

Domestic Bank 1 Battery 2

120 AHr AGM 1,000 CCA

ANL Fuse FB2

Domestic DVSR 140A

C

1B2 Starter Battery Switch

2

1

To Starter

Primary Power Distribution

& control.

Post on panel

Post on panel

Side of seat

Toilet 30A CB (Redundant)

Starter DVSR

On-off-on Switch

Shore (On)

Auto (Normal)

Off

FB6/4

TS2

Starter DVSR

(Forward)

DVSR 140A

Under chart table

Domestic DVSR Enabled when on

Main Electrical Panel

• (Up) DSRV enabled for shore power charging.
• (Centre) DVSR Inoperative.
• (Down) Auto, DVSR enabled when Ignition on.

On

Starter DVSR Switch positions:

C

Auto

Under starboard bunk

To BM-1

10

Battery box under quarter berth

354 mm

175 mm

“Both” should not normally be used on any switch.

Switch

Off

Auto

(Normal)

Domestic DVSR

(Aft)

Domestic 2

100A Shunt

Contact 2 is common

Switch down connects it to the top contact. Guard close holds to activate contact 3 – “Auto”

Battery Temp to Sterling regulator

To BM-1 battery monitor

Victron charger

Ignition Switch

?

Domestic 1

200A Shunt

1B2 Domestic Battery Switch

To Panel –ve Bus

Engine panel

Engine compartment

(See Yanmar docs)

?

To Engine sensors

Starter button

To starter solenoid

​

Sterling Power Galvanic Isolator

​

Boat side

Shore side

Sterling 4 Step Regulator

2

9

TS2

FB 6/1

?

-ve Bus

​

Domestic 1 Non-switched Bus Bar

Battery Temp to HDRi

1

Yellow

3

2

4

5

6

Red (Tag 2)

Red (to fuse)

Backup Float Switch

White

7

Orange

Pump Auto

Pump Man

Green

Blue

-ve

8

Bilge pump switch & alarm

(Including 15A input Fuse)

15A Fuse

9

Ex Water Pump in

0

Spare

TS 3

Pump -ve

Panel Domestic Unswitched Bus

Spare

MTA 1

ANL Fuse

25A

MTA 2

Under nav’s seat.

Live when engine on.

Both to “OFF” if starting engine from a domestic bank.

Starter DSRV “On” to charge from shore power.

MTA 3

Switched Bus

1B2

Heater SW

To BM-2 battery monitor

Starter battery -ve

To Heater

FB3

TS4

To BM-2

25A

Domestic 2 120 AHr 1,000 CCA AGM

Closes @ 13.4V Opens @ 12.8V

Closes @ 13.4V Opens @ 12.8V

C

-ve Bus

Engine

240A

240A

240A

240A

240A

170A

170A

240A

240A

1

ANL Fuse

85 Ah AGM 850 CCA Starter Battery

Under quarter berth (outboard)

170A

170A

1

2

C

ANL Fuse FB4

Centre

Fwd

Aft

Post

Panel under nav’s seat.

2 x 240A

170 & 240A cable all HiFlex

Starter motor load < 110A

2 x 240A

240A

2 x 240A

FB6/3

FB6/2

Fuse?

TS2

8

Shore Power.

Non-switched Bus in Battery compartment

2 x 13 Amp switched sockets

Fuse MTA3

Victron 15A charger

​

Sterling Power Galvanic Isolator

​

Boat side

Shore side

Boats common negative

Weather proof plug and socket in cockpit cuddy

16A Weather proof plug

Consumer Unit with

1 x two pole 30mA RCCB/RCD

1 x two pole MCB

Shore power cable

Meter maid electricity meter when required

9

FB1-1

FUSE Box 1

Switched +ve Post

Solar& wind Regulator in line o/p fuses

Unswitched low power bus bar.

CB panel 3

CB panel 1

CB panel 2

Tag Strip 1

Starter Battery DVSR Select SW

Domestic DVSR SW

FB1-4

FB1-2

FB1-3

Power socket

Power for USB hub

USB Power fuse

USB power switch

Unswitched low power bus bar fuse

Non-switched but fused +ve Post

FB 7 Interior

lighting

10

Tag Strip 2

Domestic DVSR SW

Solar panel Blocking Diodes under

Windlass CB / SW

under

TS2-10

Switched Bus Bar

FB 8 Power sockets

FB 9 Power sockets (under)

To chart table light

Power Socket

TS1-1

Switched low power bus bar fuse

Gas Alarmn fuse

FB 5, numbered left to right

FB 6 DVSRs, numbered from back

11

-ve Bus

Domestic 1 Non-switched Bus Bar

Galvanic Isolator

From Vectron Charger

Domestic Battery Bank 1

MTA 1

MTA 3

MTA 2

Switched & unswitched To main panel

To Domestic 1B2 switch

Domestic 2

Non-switched post on side wall.

From domestic 1B2 sw

To BM-2 via FB1

Bank 2 negative

Negative to panel

FB 3 Heater Fuses

To redundant Toilet CB now removed

Switched +ve Bus

FB2 200A ANL Fuse

To Bilge pump Tag strip

Battery temp sensor for Sterling regulator

Domestic 1 200A shunt

Domestic 2 100A shunt

Battery temp sensor for

HDRi regulator

12

200A ANL Fuse FB4

Post on panel

MTA 30A Fuse

Domestic Bank 1

2 x 120 AHr AGM

Unswitched low power bus bar on panel.

6A panel Fuse

Gas Detector

2A panel Fuse

• Memory power to stereo.
• Meteoman
• Navtex
• Engine hours meter.
• Etc.

​

Fuse for each service

Wires always rated higher than fuse to its right

Fuses and wire rated to carry current to all devices to the right with a safety margin >= 50%.

Examples of the fusing hierarchy

Fuses protect the wire as more than the equipment.

With this arrangement only equipment below

the point of cable failure are lost.

Unswitched bus bar in battery compartment

MTA 30A Fuse

Mains charger

30A Fuse

Solar & wind controller

Etc.

CB Panels: 2 x 6 way

1 x 4 way, 15A CB & SW.

​

Common feed fuse block with “n” fuses

• 8 way & 4 way for power sockets
• 6 way for interior lighting

13

DVSR 140A

LED on when closed

Domestic Bank 1

2 x 120 AHr AGM

85 AHr AGM

Starter Battery

100A Shunt

Sterling 4 Step Regulator

(under chart table)

2 x 13A Sockets

Domestic 1 Un-switched Bus Bar under nav seat

200A Shunt

1.3 KW Engine Starter

Engine utilities

DVSR 140A

LED on when closed

Voltage sense

1

MARLEC HDRi Hybrid wind / solar regulator.

Domestic Bank 2

1 x 120 AHr AGM

(under stbd bunk)

3A Fuse

2 pole 25A 30mA RCCB/RCD + 10A Duel Pole MCB

Fuse

Ignition on

Bat 1 OP

Bat 2 OP

To Starter Battery

-ve sense

Field

Switched low power Bus Bar on electrical panel

D+

Victron Blue 15A Charger

Domestic 1 Battery Temp

Domestic 1 Battery Temp

Tag strip (4) in engine bay by Alternator

10

Tag strip 2 on panel

Unswitched low power bus bar on panel.

Ignition switch

Enable when Ignition on. (default)

Fb 1/1 3A

-ve control

Detailed Power distribution, charging & engine start Schematic.

By selector switches

In line behind panel

FB1-2

Switch panel 1

35 Amp SW / CB

Windlass contactor box in forepeak

Tag strip (5) in engine bay Starboard / Aft

?

C

2

Switch

1B2 Start Switch

“Both” should not normally be used.

On electrical panel

Closes @ 13.4V Opens @ 12.8V

FB 6/3

9

Fuse

In line blade

behind panel

Closes @ 13.4V Opens @ 12.8V

200 Amp ANL Fuse FB 2

DVSR Enabled when on (default)

55A Alternator

2

Switch panel 3

Switch panel 2

1

-ve

-ve

+ve

+ve

+ve

-ve

Start Button

On-off-on Switch

Override for shore power charging

FB 5/7

C

See sheet 2 for definitive positioning of connections & sheet 3 for service connections

TS1

Shore Power In

Galvanic Isolator

-ve Bus

FB 5/8

Switched +ve Post on panel

Unswitched post on panel

9

---ve Bus

-ve Panel Bus

Switched Bus in Battery Compartment

Domestic 2 +ve post in Battery Compartment

1B2 Domestic Switch

“Both” should not normally be used.

To battery via starter cable

fuel tank & water pump

TS4

60A MTA1

• Gas alarm
• Security alarm
• Memory power to stereo.
• Meteoman
• Navtex Switch.
• Engine hours meter.

​

In line fuses

SSB Rx

IridiumGo

30A MTA2

MTA3

25A FB3-1

Heater

1B2 Switch

R

IridiumGo

1

200A ANL Fuse

FB2

200A ANL Fuse FB4

6A panel Fuse

6A panel Fuse

From Un- sw LP Bus

14

7 port USB3 Hub

AIS600

NASA NAVTEX

Fuse

Toggle Switch

Fuse

Low Power Switched Bus Bar

12V – 5V

5A step down

iPhone power & tether for PC 4G

Left of panel below panel fuses

FP1 6A

GND CB 1/1

Outboard and below chart table

On bulkhead aft end of locker behind starboard bunk

USB extension cable for fast charging iPads, phones, etc..

Powered

4 port USB3 Hub

SeaPro Security dongle

By chart table

Toggle Switch

Behind panel

GPS, Glonass “Dongle”

Low Power Non-switched Bus Bar

Aft part of panel

0

0

1

2

3

4

1

6

7

CB 3/3 via FB1/4

Wi-Fi extender & router over ¼ berth

GPS, GLONASS, Galileo, Beidou, QZSS “Dongle”

WIFI Server

Iridium Go Satellite comms GPS

Wired GWind

GPSMAP 923 WiFi Server for Garmin apps Bluetooth Rx

Ethernet

Garmin “Fantom” Doppler radar

CB 3/1

Fuse

Fuse

CB 1/1 via TS2/?

Garmin GMI

Garmin GNX

Seatalk Network

Garmin / Airmar Triducer (speed, water temperature & depth)

Garmin GFL 10 Fuel level sensor

CB 3/1

Raymarine

P70 head unit

Raymarine

EV1 9 axis Sensor

Raymarine

ACU 100 Autopilot computer & Drive

CB 1/3

CB 1/1 via TS1-2

Fuse

Garmin VHF 110i DSC radio

CB 1/2

10A Fuse

NASA Meteoman

160 Hr Barograph

Fuse

Fuse

FB 5/6

2

15

SeaPro route plan exported to iPad

Route “shared” with Garmin Active Captain which transfers it to the plotter.

Seapro “Repeater Display” Web Server.

SeaPro chart on PC with GPS & AIS displayed on any connected device with a web browser .

SeaPro 3000 Integration

Backup GPS dongle

GPS & AIS info from Garmin AIS600 via USB

NavTex info via USB

Weather GRIBS from PredictWind (rarely used in SeaPro)

16

Gasboat marine regulator

Viton IP65 solenoid valve. DIN connection.

Cleese

Automatic cut off valve.

Campingaz

907

IP67 switch by cooker

Illuminated when on

Gas only on when all of the following:

• Press button IP67 switch on (switch off when cooker not in use).
• DC outlet CB (CB1/5) on.
• Domestic master switch on.
• Cleese automatic cut off switched to on.
• Manual valves on regulator and below cooker open.

​

Cleese cut off valve automatically switches to off if there is excess flow or low pressure and must be manually reset.

Manual valve under cooker

Port gas locker

Armoured hose

Copper pipe

Rubber hose

FB10-1

2A

FB9-2

15A

CB1-5

15A

Port side –ve bus

MTA-1

60A

1B2 Domestic Battery Switch

Gas Detector above chart table, sensor below cooker

Panel Fuse 4

2A

Low power non switched bus

17

10 Kg Delta & 10 Kg Admiralty pattern folding stock anchors. Bolt croppers and heavy tools, spare winch & pump handles, engine starting handle.

Quarter berth or storage

80m warp

Storm jib

F = Fire extinguishers

FB = Fire blanket

C = Clip on points

CD = clip on points with Dyneema loops (preferred)

Life jackets, harnesses, lines. Fog horn, emergency VHF AE in locker over.

First aid kit.

White flare

Knife, handheld VHF, torch, EPIRB on bulkhead

Drogue attachment points on both quarters.

Emergency ladders on both quarters.

CD

C

CD

C

C

C

C

Bilge Pump, 2 handles in stbd locker more with tools.

C

Emergency tiller

Spare wash boards

Life raft under cover

Throw bag on gantry

Gas cut off

Remote Gas cut off

light tools in top drawer.

F

F

F

FB

Survival suit in bin

C

Fuel cut off above tank.

3.2 Kg Grapnel anchor, 5m of 6mm & 8mm chain chain

Red webbing jack-stays

Lamps

9 Kg Vulkan anchor, 42m of grade 40, 7mm chain + c38m of 12mm nylon warp.

Electric winch.

C

If electric bilge pump fails the holding tank pump out can be converted to pump bilge if water deep enough.

Horseshoe lifebuoy

Wet suit, mask, fins etc..

18

Original spec:

#1 Genoa = 30 sq m.

#2 Genoa 22.9 sq m.

#1 Jib = 16.1 sq m.

#2 Jib = 6 sq m.

​

Special regs:

Storm jib =< 5.9 sq m

Heavy Weather jib =< 15.4 sq m

​

Heavy weather jib:

8.5 x 7.5 x 3.25m = 12.1 sq m

Storm jib 5.49 x 4.3 x 2.74m = 5.7 sq m

U-Bolts

Blocks

Low friction rings

Stay sail / storm jib stay + pole down haul

Barbour hauler (both sides) with low friction ring. 3:1 purchase back to a cam cleat.

Additional block on port toe rail to get a lead to winch, not required to starboard

10mm sheets (black)

U-Bolt & block

Genoa c 29 sq m

Heavy weather / storm jib stay + preventer

19

20

Pump out

Bulkhead

Breather to chain locker

Y Piece

90 deg

TrueDesign Ball Valve with 1 straight and 1 elbow

90 deg

Ex bunk top

Anti Syphon

Anti Syphon

Water Filter

Sea Water in

Waste out

Odour Filter

Henderson Mk5 Pump

90 deg