Bus Conversions dot Com Bulletin Board
March 26, 2015, 03:20:25 PM *
Welcome, Guest. Please login or register.

Login with username, password and session length
News: This BB is intended for the sole purpose of sharing conversion and bus related information among visitors to our web site. These rules must be followed in order for us to continue this free exchange of info. No bad mouthing of any business or individual is permitted. Absolutely no items for sale are to be posted, except in the Spare Tire board. Interested in placing a classified or web ad, please contact our advertising dept. at 714-903-1784 or e-mail to: info@busconversions.com.

   Home   Help Forum Rules Search Calendar Login Register BCM Home Page Contact BCM  
Pages: [1]   Go Down
  Print  
Author Topic: yet another Vanner question  (Read 830 times)
bevans6
Hero Member
*****
Offline Offline

Posts: 5043


1980 MCI MC-5C




Ignore
« on: June 01, 2009, 06:51:38 AM »

I hope I'm not wearing out my welcome with these questions, but I am very new to this.

I have a 60-50E in my new bus.  It's connected to the batteries, but not to anything else that I can find so far.  No 12VDC load.  I know I can add a 12VDC load to it, I wonder if part of that load can be a 12VDC battery so that it gets charged when the bus is running.  I expect not. but I wanted to ask.

Thanks, Brian
Logged

1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Spicer 8844 4 speed Zen meditation device
Tatamagouche, Nova Scotia
Sean
Geek.
Hero Member
*****
Offline Offline

Posts: 2553


'85 Neoplan Spaceliner "Odyssey"


WWW

Ignore
« Reply #1 on: June 01, 2009, 09:18:46 AM »

It connects to the batteries.

The 12-volt load also connects to the batteries, at the center tap.

-Sean
http://OurOdyssey.BlogSpot.com
Logged

Full-timing in a 1985 Neoplan Spaceliner since 2004.
Our blog: http://OurOdyssey.BlogSpot.com
scanzel
Hero Member
*****
Offline Offline

Posts: 532





Ignore
« Reply #2 on: June 01, 2009, 09:42:12 AM »

Correct me if I am wrong but doesn't the Vanner provide 12v of power from the 24v batteries to the 12v headlights and other 12v accessories. I have 12v headlights and the bus had a 12v paging system and a 12V radio which have since been removed.
Logged

Steve Canzellarini
Berlin, CT
1989 Prevost XL
Sean
Geek.
Hero Member
*****
Offline Offline

Posts: 2553


'85 Neoplan Spaceliner "Odyssey"


WWW

Ignore
« Reply #3 on: June 01, 2009, 10:24:44 AM »

Correct me if I am wrong but doesn't the Vanner provide 12v of power from the 24v batteries to the 12v headlights and other 12v accessories. I have 12v headlights and the bus had a 12v paging system and a 12V radio which have since been removed.


Properly connected, an equalizer "equalizes."  Meaning it keeps the two "halves" of a 24-volt battery system in balance.  This is important if you have 12-volt loads connected to the center tap of the 24-volt system, because otherwise the "lower" battery will tend to be undercharged and the "upper" battery will tend to be overcharged.

So, no, it's role is not to "provide 12v of power."  It's role is to keep the batteries healthy when 12 volt power is being drawn from them.

That being said, it is possible to connect a Vanner equalizer in such a manner that it is, effectively, a 24-to-12 volt converter, by connecting the 24-volt side to the batteries, and the 12-volt side to the load.  Note that, in this mode, you typically need a much larger Vanner model than if you connect it to the batteries instead.

BTW, 12-volt headlights are often bridged across the 24-volt battery bank in such a way that an equalizer is not necessary (one headlight across the lower battery, one across the upper).  This is the way MCI headlights are connected, for example.

-Sean
http://OurOdyssey.BlogSpot.com
Logged

Full-timing in a 1985 Neoplan Spaceliner since 2004.
Our blog: http://OurOdyssey.BlogSpot.com
Pages: [1]   Go Up
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines Valid XHTML 1.0! Valid CSS!