Allan, The timing of the problem certainly points to your high seasonal temperatures as at least a contributing factor. What is your array voltage? If it is 24V, can you relatively easily rewire for 36 or 48V?
Dick Solarwind Electric Bradford,VT _______________________________________________ List sponsored by Home Power magazine RE-wrenches@lists.re-wrenches.org http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org