Re: [RE-wrenches] questions about solar charging 72v UPS

2011-02-10 Thread Darryl Thayer
HI all I check into the Tristar and it connects the same as the Outback, what I could not remember was the set up and communications cableing.  The set up relies on the negative floating and in this case, the MS software and a Laptop, sets the 36 volt charging profile, the communications port 

Re: [RE-wrenches] questions about solar charging 72v UPS

2011-02-10 Thread toddcory
I see the FM60 had a 60 volt option. Why not just use a single one at that battery setting for charging the battery bank? Todd On Thursday, February 10, 2011 9:44am, Darryl Thayer daryl_so...@yahoo.com said: Hi all I have attached a PDF of a charging scheme using Outback FM controllers.

Re: [RE-wrenches] questions about solar charging 72v UPS

2011-02-10 Thread Darryl Thayer
.  The 72 volt battery would involve almost 90 volts to equalize.  Darryl  From: toddc...@finestplanet.com toddc...@finestplanet.com To: RE-wrenches re-wrenches@lists.re-wrenches.org Sent: Thu, February 10, 2011 4:42:00 PM Subject: Re: [RE-wrenches] questions about

Re: [RE-wrenches] questions about solar charging 72v UPS

2011-02-09 Thread Darryl Thayer
] questions about solar charging 72v UPS Hi, Ron~ The Midnite Classic PV controller shows 72 volt nominal as one of the battery choices on its menu screen. That's about the only option I know of. Even though the HV controller from Apollo can accept a similar range of PV input voltage I think

[RE-wrenches] questions about solar charging 72v UPS

2011-02-08 Thread Ron Young
Hi All, I recently acquired some UPS units that are a high end portable units (GE GT3000). They are nearly new and I would like to rig them up as a standalone emergency back-up power source with a solar (or wind) charging option. These units have sine wave output and are a double conversion

Re: [RE-wrenches] questions about solar charging 72v UPS

2011-02-08 Thread Mick Abraham
Hi, Ron~ The Midnite Classic PV controller shows 72 volt nominal as one of the battery choices on its menu screen. That's about the only option I know of. Even though the HV controller from Apollo can accept a similar range of PV input voltage I think that unit stops at a 48v battery--maybe