Blue Opal/Electrics: Difference between revisions

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Blue Opal's electrics are all 12V.{{#mermaid:sequenceDiagram
=== Battery banks ===
participant Alice
House bank - 2x 105 Ah SLA. Effective 100 Ah.
participant Bob
Starter - 1x 80 Ah SLA. Effective 40 Ah.
   Alice->John: Hello John, how are you?
 
   loop Healthcheck
Alternator
      John->John: Fight against hypochondria
 
BV PSH 80A, Hitachi saddle mount. Sourced from Myles Balfe.  V-belt sheave.
[[File:Img 2122-768x1024.jpg|none|thumb|Part number is 985.001.080.200.]]
[[File:Alternator specifications for Blue Opal.jpg|none|thumb]]
 
=== Terminal and driver sizes ===
{| class="wikitable"
|+
!Area
!Item
!Fixing
!Driver
!Stud
|-
|Battery
|Shunt
|Terminal
|10mm
|8mm
|-
|
|House
|Terminal
|14mm
|10mm
|-
|
|Starter
|Terminal
|13/14mm
|10mm
|-
|
|Blue Sea Fused Bus
|Terminal
|10mm
|5mm
|-
|
|MIDI fuses
|Terminal
|10mm
|8mm
|-
|
|Negative bus
|Terminal
|14mm
|8mm
|}
=== Core power distribution and charging===
This diagram is for the wiring in the starter and house battery bank compartments.
 
Charge and Distribution fuses are MIDI style with spare, Blue Sea 7720.
 
Solar charger fuse is inline automotive.
 
{{#mermaid:config.theme = neutral | graph TD;
 
subgraph "House Bank"
subgraph "House Battery 1 (2019)"
  HOUSE_BAT1_NEG[-];
  HOUSE_BAT1_POS[+];
end
subgraph "House Battery 2 (2019)"
  HOUSE_BAT2_NEG[-];
  HOUSE_BAT2_POS[+];
end
end
subgraph "Starter Battery (2023)"
  STARTER_BAT_POS[+];
  STARTER_BAT_NEG[-];
end
 
subgraph "House Battery Switch"
  HOUSE_SW_POS[S];
  HOUSE_SW_LOAD[L];
end
subgraph "Engine Battery Switch"
  ENG_SW_SOURCE[S];
  ENG_SW_LOAD[L];
end
 
subgraph "Alternator"
  ALT_GEN_POS[+];
end
 
subgraph "BC1240 (Mains)"
  MAINS_CHG_ENG[Starter];
  MAINS_CHG_HOU["Unused(House)"];
   MAINS_CHG_NEG[-];
end
 
subgraph "BB1240 (B2B 12V)"
  BB1240_STARTER[Source];
  BB1240_NEG[Neg];
  BB1240_HOU[Target];
end
 
subgraph "Engine Panel"
  IGNITION([Ignition Switch]);
end
 
subgraph "House Shunt"
  HOUSE_SHUNT_POS[S]
  HOUSE_SHUNT_NEG[L]
  HOUSE_SHUNT_MON[Tap]
   HOUSE_SHUNT_POS --- HOUSE_SHUNT_NEG;
  HOUSE_SHUNT_POS --- HOUSE_SHUNT_MON --- HOUSE_SHUNT_NEG;
end
 
subgraph "Solar"
  SOLAR_PANEL["200 Wp Renogy"]
  subgraph "Votronic 250"
    SOLAR_IN_POS[S]
    SOLAR_IN_NEG[S]
    SOLAR_OUT_POS[L]
    SOLAR_OUT_NEG[L]
   end
   end
   Note right of John: Rational thoughts <br/>prevail...
   SOLAR_PANEL --- SOLAR_IN_POS;
    John-->Alice: Great!
  SOLAR_PANEL --- SOLAR_IN_NEG;
    John->Bob: How about you?
end
    Bob-->John: Jolly good!}}
 
subgraph "Charge Fuse"
  STARTER_CHARGE_FUSE_SOURCE[S]
  STARTER_CHARGE_FUSE(70A)
  STARTER_CHARGE_FUSE_LOAD[L]
  STARTER_CHARGE_FUSE_SOURCE --- STARTER_CHARGE_FUSE --- STARTER_CHARGE_FUSE_LOAD;
end
 
BAT_NEG_BUS[Battery Negative Busbar];
BSA_STUD[BlueSea Ancillary]
HOUSE_POS_BUS[House Positive Bus]
HOUSE_NEG_BUS[House Negative Bus];
HOUSE_DIST_FUSE(Distribution Fuse 150A)
HOUSE_CHARGE_FUSE(Charge Fuse 70A)
GROUND[Engine Block];
WLS_SW_POS([Windlass Switch]);
ALWAYS_ON_DIST[Always On Bus];
WINDLASS_NEG[Windlass];
 
HOUSE_BAT2_POS === HOUSE_BAT1_POS;
HOUSE_BAT2_NEG === HOUSE_BAT1_NEG;
HOUSE_BAT1_POS ==== HOUSE_DIST_FUSE;
HOUSE_BAT1_NEG === STARTER_BAT_NEG;
 
HOUSE_SW_POS --- ALWAYS_ON_DIST;
FRIDGE[Chillbox] --- BAT_NEG_BUS;
STARTER_CHARGE_FUSE_LOAD --- STARTER_BAT_POS;
HOUSE_CHARGE_FUSE --- HOUSE_BAT1_POS;
STARTER_BAT_POS == 25mm ==> ENG_SW_SOURCE;
STARTER_BAT_NEG === HOUSE_SHUNT_POS ;
ENG_SW_LOAD --- IGNITION;
ENG_SW_LOAD --- WLS_SW_POS;
ALT_GEN_POS == 16mm ==> STARTER_CHARGE_FUSE_SOURCE;
BB1240_NEG === STARTER_BAT_NEG;
STARTER_CHARGE_FUSE_SOURCE == 10mm === BB1240_STARTER;
BB1240_HOU == 10mm ==> HOUSE_CHARGE_FUSE;
BAT_NEG_BUS === HOUSE_NEG_BUS;
MAINS_CHG_NEG === BAT_NEG_BUS;
HOUSE_SW_LOAD === HOUSE_POS_BUS;
HOUSE_DIST_FUSE --- HOUSE_SW_POS;
HOUSE_SW_LOAD === BSA_STUD;
HOUSE_SHUNT_NEG === BAT_NEG_BUS;
STARTER_BAT_NEG ==== GROUND;
MAINS_CHG_ENG --- STARTER_CHARGE_FUSE_SOURCE;
SOLAR_OUT_POS --- STARTER_BAT_POS;
SOLAR_OUT_NEG --- STARTER_BAT_NEG;
WINDLASS_NEG --- STARTER_BAT_NEG;
 
classDef pos stroke:#f00
classDef fuse stroke:#00f,fill:#5c5;
class HOUSE_BAT1_POS,HOUSE_BAT2_POS,HOUSE_DIST_FUSE_POS,WLS_SW_POS,ENG_SW_SOURCE,ENG_SW_LOAD,HOUSE_SW_POS pos;
class STARTER_CHARGE_FUSE_SOURCE,SOLAR_IN_POS,SOLAR_OUT_POS pos;
class ENG_CHG_FUSE_POS,STERLING_STARTER,STERLING_HOUSE,IGNITION pos;
class MAINS_CHG_HOU,MAINS_CHG_ENG,STARTER_BAT_POS,ALT_GEN_POS pos;
class HOUSE_SW_LOAD pos;
class STARTER_CHARGE_FUSE_LOAD pos;
class BB1240_HOU,BB1240_STARTER pos;
class ALWAYS_ON_DIST,BSA_STUD,HOUSE_POS_BUS pos;
class HOUSE_DIST_FUSE,HOUSE_CHARGE_FUSE,STARTER_CHARGE_FUSE fuse;
 
 
}}To-do: Replace direct-to-terminal with distribution bus bars. Starter negative terminal has more than 4 cables attached.
 
=== Blue Sea Ancillary===
This distribution setup is used for power distribution in the saloon; it's in the same physical area as the batteries. Distributor is a Blue Sea Systems ST compact 8-circuit (5046) with 10-32 stud, and 8-32 screw terminals.
 
{{#mermaid:graph LR;
 
HOU_SWITCH["House Battery Switch (Load)"];
BAT_NEG_BUS[Battery Negative Busbar];
 
subgraph "BlueSea Ancillary"
  BSA_STUD(Stud);
  BSA_FRIDGE(Fridge 15);
  BSA_AMPS(Ammeter 3A);
  BSA_PP1(Powerpole 20A);
  BSA_PP2(Powerpole 20A);
  BSA_USB(USB 5A);
  BSA_BILGE(Bilge 5A);
  BSA_WPUMP(Water Pump 15A);
  BSA_STUD --- BSA_FRIDGE & BSA_AMPS & BSA_PP1 & BSA_PP2 & BSA_USB & BSA_BILGE & BSA_WPUMP;
end
 
HOU_SWITCH === BSA_STUD;
BSA_FRIDGE === FRIDGE[Chillbox] === BAT_NEG_BUS;
BSA_AMPS --- AMMETER[Ammeter] --- BAT_NEG_BUS;
BSA_PP1 --- PP1[Powerpole] --- BAT_NEG_BUS;
BSA_PP2 --- PP2[Powerpole] --- BAT_NEG_BUS;
BSA_USB --- USB_SALOON[USB Sockets] --- BAT_NEG_BUS;
BSA_BILGE --- BILGE[Bilge Pump] --- BAT_NEG_BUS;
BSA_WPUMP --- WATER_PUMP[Fresh Water Pump] --- BAT_NEG_BUS;
classDef pos stroke:#f00
classDef fuse stroke:#00f,fill:#5c5;
class HOU_SWITCH pos;
class BSA_FRIDGE,BSA_AMPS,BSA_PP1,BSA_PP2,BSA_USB,BSA_BILGE,BSA_WPUMP fuse;
|
config.theme = neutral
 
 
}}
 
=== Always on distribution ===
 
This powers low draw devices that should be powered without the house switch being engaged. Basically, lights. Located in the wiring cabinet above and behind the chart table. Wired to supply side so it's always got power, bar the local fuse blowing.
 
{{#mermaid:graph LR;
HOU_SWITCH("House Battery Switch (Supply)");
BAT_NEG_BUS[Battery Negative Busbar];
CAB_NEG_BUS[Wiring Cabinet -ve Bus]
 
subgraph "BlueSea 4-fuse"
  BSA_STUD(Stud);
  BSA_SALOON(Saloon 3A);
  BSA_CHART(Chart Table 3A);
  BSA_CABINET(Cabinet 1A);
  BSA_STUD --- BSA_SALOON & BSA_CHART & BSA_CABINET;
end
 
HOU_SWITCH === BSA_STUD;
BSA_SALOON --- SALOON_SW(Companionway Switch) --- SALOON[Saloon Light] --- CAB_NEG_BUS;
BSA_CHART --- CHART_SW(Chart Table Switch) --- CHART_LIGHT[Chart Table Light] --- CAB_NEG_BUS;
BSA_CABINET --- CABINET_SW(Wiring Cabinet Switch) --- CABINET_LIGHT[Cabinet Light] --- CAB_NEG_BUS;
CAB_NEG_BUS === BAT_NEG_BUS;
classDef pos stroke:#f00
classDef fuse stroke:#00f,fill:#5c5;
class HOU_SWITCH pos;
class BSA_SALOON,BSA_CHART,BSA_CABINET fuse;
|
config.theme = neutral
 
 
}}
 
=== Water pump ===
 
Wired via a relay so that the switch by the chart table just activates the relay, and the pump gets power from 6mm<sup>2</sup> direct from the battery compartment.
 
{{#mermaid:graph LR;
subgraph "Relay"
SWITCHING_TERMINAL[Switching];
SWITCHED_TERMINAL[Switched];
end
subgraph "Pump"
PUMP_POS[+];
PUMP_NEG[-];
end
BAT_NEG_BUS[Battery Negative Busbar];
CAB_NEG_BUS[Wiring Cabinet -ve Bus]
PUMP_PANEL_SW(Panel Switch);
BSA_BAT_PUMP(Blue Sea Ancillary);
PUMP_PANEL_SW --> SWITCHING_TERMINAL --> CAB_NEG_BUS;
BSA_BAT_PUMP --> SWITCHED_TERMINAL --> PUMP_POS;
PUMP_NEG --> BAT_NEG_BUS;
classDef pos stroke:#f00
classDef fuse stroke:#00f,fill:#5c5;
class BSA_BAT_PUMP fuse;
class PUMP_PANEL_SW pos;
|
config.theme = neutral
 
 
}}
 
 
The relay is the same as the one for the engine starter, 12V 40A SPST with 30/85/86/87 terminals, normally open.
[[Category:Blue Opal]]

Latest revision as of 11:29, 2 August 2024

Battery banks

House bank - 2x 105 Ah SLA. Effective 100 Ah. Starter - 1x 80 Ah SLA. Effective 40 Ah.

Alternator

BV PSH 80A, Hitachi saddle mount. Sourced from Myles Balfe. V-belt sheave.

Part number is 985.001.080.200.

Terminal and driver sizes

Area Item Fixing Driver Stud
Battery Shunt Terminal 10mm 8mm
House Terminal 14mm 10mm
Starter Terminal 13/14mm 10mm
Blue Sea Fused Bus Terminal 10mm 5mm
MIDI fuses Terminal 10mm 8mm
Negative bus Terminal 14mm 8mm

Core power distribution and charging

This diagram is for the wiring in the starter and house battery bank compartments.

Charge and Distribution fuses are MIDI style with spare, Blue Sea 7720.

Solar charger fuse is inline automotive.

To-do: Replace direct-to-terminal with distribution bus bars. Starter negative terminal has more than 4 cables attached.

Blue Sea Ancillary

This distribution setup is used for power distribution in the saloon; it's in the same physical area as the batteries. Distributor is a Blue Sea Systems ST compact 8-circuit (5046) with 10-32 stud, and 8-32 screw terminals.

Always on distribution

This powers low draw devices that should be powered without the house switch being engaged. Basically, lights. Located in the wiring cabinet above and behind the chart table. Wired to supply side so it's always got power, bar the local fuse blowing.

Water pump

Wired via a relay so that the switch by the chart table just activates the relay, and the pump gets power from 6mm2 direct from the battery compartment.


The relay is the same as the one for the engine starter, 12V 40A SPST with 30/85/86/87 terminals, normally open.

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