StirCrazy
Kamloops, BC, Canada
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Joined: 07/16/2003
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jodeb720 wrote:
Will a sudden disconnect and reconnect from bank to bank cause a failure?
Do I need to disconnect the feed from the Panels first to the controller, then switch over, then reconnect the feed from the panels?
Thanks so much!!
it can and yes.
add a switch between the panels and charge controller also, that is handy to have anyways and should be on every installation so you can just turn off the panels if you want to work on something. I used manual resettable breakers for mine, so they act as a proper breaker also but I can manulay trip them when I want the panels off.
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pianotuna
Regina, SK, Canada
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Joined: 12/18/2004
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Since the batteries need to stay connected to the charge controller the correct way to do so is to turn on the 2nd bank, and then turn off the first bank.
Some controllers don't care about this. Other controllers may fail if the panels are connected but the batteries are not.
I much prefer having a voltage sensitive solenoid to "add" the 2nd bank.
I added additional switches so I can charge one bank while using the other.
Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.
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Boomerweps
Hills of PA
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Joined: 04/30/2018
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Several battery disconnects are set up with a battery 1, 2, 1+2, and off positions. If used to seperate battery banks, a pre controller panel disconnect switch should be added to use while shifting battery banks.
My hillbilly engineering degree method is that I have an SAE/Zamp style side connection from the panels and another similar inside from that jack that I can easily disconnect. The interior one is handy if I want to connect the stand alone charger. Switches are great but unplugging works just as easy.
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pianotuna
Regina, SK, Canada
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Plugs are indeed pretty fool proof. I use them on the 120 side of my system.
One female outlet the generator, one for shore power and another for a 30 amp connection at the front of the RV (30 amp male).
My charge controller tolerates have no "load" from the batteries. I don't make a practise of doing so. I pretty much have the batteries connected 24/7/365 to the charge controller.
* This post was
edited 11/01/23 02:18am by pianotuna *
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MrWizard
Traveling
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Joined: 06/27/2004
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Suggestion
Get a DC marine type circuit breaker, 50 amp is good 100 amp would be better, place in circuit between the panels and the solar charger controller, then whenever you need to switch battery Banks, or any kind of battery service , you can easily open the circuit , safely disconnecting the panels, preventing damage to the controller, I also installed a DC breaker between my batteries and my 2000w psw inverter, that one is rated at 250 amps
I can explain it to you.
But I Can Not understand it for you !
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