[C320-list] Battery plan

[Jon Vez]

Ted,

I did something very similar on my 320. However, unless I'm misunderstanding
your proposed install, you don't need to run the G27 NEG to the engine
starter. Run the NEG to the new combined House Bank to finish the circuit.
Generally not a good idea to run multiple Neg to Main Ground (engine).

Additionally you should already have a POS for your Reserve/Starter battery.
When you parallel the House, you will go from two POS connections to the
switch on each 4D, to just one. Take the other and connect it to your
Starter/Reserve.

Use the echo charger to keep the Reserve topped up, use the big House bank
for everything else, including starting the engine. It has much more
cranking amps and the little battery can be seen as your emergency battery
to start the engine in the event the House bank won't crank the engine.

I see the real improvements for phase 2 as a Battery monitor (although
seriously consider doing this in Phase 1) and connecting your Alternator
directly to your House Bank...

My 2 cents...



-----Original Message-----
From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On Behalf
Of Ted Harrison
Sent: Wednesday, June 14, 2017 8:16 PM
To: C320-List at Catalina320.com
Subject: [C320-list] Battery plan

Can you tell me if I am missing anything in the below plan. This is phase
one. 

- purchase 2 4D SRM Interstate batteries. They will remain in current
location.

- Build a shelf forward of the 4ds and place a group 27 battery in this
location. Currently have a Group 27 purchased last year. 

- purchased two battery cables 6 feet length, connect 4d's together positive
to positive. Negative to negative.

- purchase 21 feet battery cable and run from starter (negative) to group 27
negative. 

- purchase 6 feet battery cable, negative to negative,  and connect house
batteries 

- purchase 20 feet positive and run from group 27 to position 1 on the
battery switch. 

- positive on house bank to position 2 on battery switch 

- positive from engine on both position on battery switch.

Charging: both house batteries run to a ProNauutic 12- 30 P charger. 

- Purchased a Xantrex digital echo charge to connect group 27 to house
batteries to keep the starting battery topped up.

- battery cable 1 / 0 battery cable 

Your evaluation / comments would be appreciated.

Ted Harrison
Hull 424 
Whitby, Ontario