Re: [RE-wrenches] low batteries with a sunny island

2010-11-18 Thread August Goers
Jay, Roger that - we're giving it a go right now (assuming we can get into the client's house). I'll let you know how it goes. -AG On Thu, Nov 18, 2010 at 3:01 PM, jay peltz wrote: > HI All, > > One thing that is very easy is to just charge each battery with a 12v > charger. > Cheap and easy. >

Re: [RE-wrenches] low batteries with a sunny island

2010-11-18 Thread Glenn Burt
We have invested in an Iota charger with the IQ4 board for this purpose. Pricy, yes, but seems to have the best chance of success for reviving the bank as a unit. http://www.iotaengineering.com/dls5413.htm -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@

Re: [RE-wrenches] low batteries with a sunny island

2010-11-18 Thread jay peltz
HI All, One thing that is very easy is to just charge each battery with a 12v charger. Cheap and easy. You can disconnect them, charge them each or in parallel, then reconnect them. I"ve had to do it more than once, although not for a sunny island, jay peltz power __

Re: [RE-wrenches] Megger for array testing

2010-11-18 Thread Bill Brooks
Glenn, Although working with a very different module poses new issues for testing procedures, SunPower has to have a field insulation test for their products. If they don't, they are in serious danger of being blind to very significant safety hazards. As a result of the Bakersfield Fire, they h

Re: [RE-wrenches] Megger for array testing

2010-11-18 Thread Glenn Burt
I have verbal confirmation from Sunpower that none of their modules should ever be subjected to a Megger test in the field. Your mileage may vary, but unless I have confirmation from a module manufacturer, I will not be recommending that any module be in any circuit being tested for insulation res

Re: [RE-wrenches] Megger for array testing

2010-11-18 Thread Joel Davidson
Perhaps someone has an electronic copy of "Field Wet Resistance Test" revised 7/18/94 that was developed by the PVUSA Project, PG&E, and Bechtel that they could share with the group. Joel Davidson - Original Message - From: Matt Lafferty To: 'RE-wrenches' Sent: Wednesday, Nove

Re: [RE-wrenches] low batteries with a sunny island

2010-11-18 Thread August Goers
Thanks all, this is helpful stuff. We'll see if the batteries are dead or not which would be a real shame since they're only 6 months old... -August On Wed, Nov 17, 2010 at 7:32 PM, Mick Abraham wrote: > Hello, August~ > > Assuming that you don't want to buy a proper (but costly) 48 volt deep >