Dual SW battery charging [RE-wrenches]

Chuck Heath, SunPower sunpwr at jps.net
Thu Sep 27 12:21:17 PDT 2001


Off-grid client has dual SW4024's with a Kohler 12RY (12 kW) for backup, 
with one leg of the 120/240 AC output going to each Trace and a common 
battery. 

Problem 1: Both SW's show normal generator charging for the first few 
seconds, then the Upper (master) unit charging amps falls to zero while 
the lower unit increases to max out at 30 amps. Settings for both SW's 
are identical in User and Setup Menus. Trace RY7 for Kohler r/c is on 
Upper (master) unit.  

Problem 2: After 5 minutes, the Kohler shuts down for reasons unknown. 

Battery is 2100 AH, being two paralleled 1050 AH 2-volt series strings (4 
six-packs, 85-21). PV is 22 - 120 W AstroPower modules wired as 2 
sub-arrays into 2 - C40/DVM.

Your input is welcomed!

Cordially, Chuck 
"Plugging into Sunshine since 1989" 

- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://www.topica.com/lists/RE-wrenches/

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

Check out participant bios: www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com

==^================================================================
EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9
Or send an email To: RE-wrenches-unsubscribe at topica.com
This email was sent to: michael.welch at homepower.com

T O P I C A -- Register now to manage your mail!
http://www.topica.com/partner/tag02/register
==^================================================================





More information about the RE-wrenches mailing list