I would recommend sealed batteries for this application. Jay Peltz Power
Sent from my iPhone On Dec 31, 2011, at 6:59 AM, JRQ <[email protected]> wrote: > Wrenches, > > I'm looking at a potential battery backup system wtih a 200 AH @48V flooded > battery bank in the basement electrical room of a 3 story building. There is > a window in the electrical room. The batteries will be located about 10' from > an outdoor wall. The building is all reinforced concrete, so I can not run a > vent pipe vertically from the batteries. Does anyone have a rule of thumb for > how much the vent pipes can be angled from the batteries? Would it be more > lenient for short sections of pipe (say <2') versus one long angled piece > from the batteries? My instinct would be to keep the pipe no more than 45˚ > from plumb. > > Or with bending the vent pipe: does anyone have a best-practice rule for the > sum of the angles of bends? > > Thanks, > Jeffrey Quackenbush > NABCEP Certified PV Installer > Peripatetic Solar Technician > > From: Drake <[email protected]> > To: [email protected] > Sent: Saturday, December 31, 2011 8:08 PM > Subject: [RE-wrenches] Pole Mount PVC > > Hello Wrenches, > > With pole mount systems, It looks cleaner and is safer to run the PVC conduit > down the pole into the concrete, and use a 90 degree elbow to come out > through the side of the anchor underground. This way, the pipe is protected > from mechanical damage, and there is nothing to trip over when adjusting the > array for seasonal tilt. > > I was told that some building departments will not allow this. Has anyone > had a problem with using this method, either technical or legal? How do you > like to route your conduits? > > Thank you, > > Drake > Drake Chamberlin > ATHENS ELECTRIC LLC > OH License 44810 > CO license 3773 > NABCEP Certified PV > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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