Hi Wayne,

I use Trace C-40s.  They can be configured as a charge controller, load
diverter (one bank is full, switch to another, or switch panel output to
water heating are typical applications) or LVD.  They are pretty highly
evolved, and designed to last a long time.  I have used three so far, and
they are still performing exactly as expected.  

The minimum connected voltage is adjustable, and I think I have mine set a
little higher than 10.5 VDC because there is an override button that will
allow you to connect a load for 10 minutes.  I have on a couple of occasions
used this to recharge my pressure tanks with a piston boost pump after a
frozen hydrant broke and allowed loss of water till the batts were drained. 

Thank you very much for your presentation of information in this area.  I am
very appreciative.

Jim 

-----Original Message-----
From: Wayne Fugitt [mailto:[email protected]] 
Sent: Thursday, March 09, 2006 5:29 AM
To: [email protected]
Subject: RE: CS>power for CS generators ( Batteries )

Morning Jim,

 >>At 03:17 AM 3/9/2006, you wrote:

>Low Voltage Disconnect.   Takes the load off the batteries before it up
>burns them.

   All of the larger inverter systems have these, and even most of the 
small ones.
Usually they are very fast and work at 10.5 volts. ( if a 12 Volt System )

  One could build these circuits from scratch relatively easy.

Some of our better circuit designers on here may already have an effective 
circuit.

Either solid state relays or mechanical relays must have the capacity to 
match the load with a decent safety factor.

Many people misunderstand electrical codes.  Typically, this is the 
absolute minimum that is safe and effective.   Proper Design serves to 
protect the investment in wiring and equipment.

Also, code books state,  "This is not to be used as a design manual by 
untrained people".

Wayne



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