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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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  #1  
Old 02-28-2010
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atckip atckip is offline
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Default Battery charger

I don't have my 50 amp service set up yet. And I've seen that left unplugged,the batteries only last a couple of days. So I used an extension cord and plugged what I think is the battery charger. I did have the power switch under the driver turned off. Today the batteries were dead. I jumped the generator battery, started the generator and after a little while started the motor. I guess with the engine or generator running, their alternators charge the batteries. Am I doing something wrong.
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  #2  
Old 02-28-2010
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Kip,
Usually the generator supplies 110 volts to the charger, and that charges the battereis. Most of the generators don't have an alternator, so don't charge the batteries directly.

If you turn off the main battery switch you probably disconnect the charger output as well. So your charger being plugged into 110 doesn't charge the batteries with the main switch off.
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  #3  
Old 02-28-2010
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That's what I was thinking. I know the PO had the coach plugged into a 50 amp service and the batteries were fine. I guess this unit is a battery charger and inverter? I keep reading about battery boilers were they on older birds than mine? So much to learn
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Old 02-28-2010
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Kip,
I don't know when the 'battety boilers' were discontinued, but they were brute force chargers that did not have any controlls to drop into trickle charge mode.
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  #5  
Old 03-01-2010
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Default TRIAD-UTRAD Converter Battery Charger

Quote:
Originally Posted by atckip View Post
That's what I was thinking. I know the PO had the coach plugged into a 50 amp service and the batteries were fine. I guess this unit is a battery charger and inverter? I keep reading about battery boilers were they on older birds than mine? So much to learn

Kip,

What are referred to as Battery Boilers are actually TRIAD-UTRAD Converter Battery Chargers.



On my 'Bird there were two of the 45 amp models mounted next to each other in one of the outside compartments, here is some reading material found in the Database that describes their use and some modifications to them;

Wanderlodge Owners Group > Links, Files, Old Yahoo Forum Database and Downloads > Manuals and Files Stored in This Forums Software DATABASE > Index of Downloaded Manuals and Files in Forums Software Database > FILES & DIRECTORIES >

[DIR] Batteries_Inverters_..>
BATTERY CUTOFF SWITC..> 01-Jan-2008 11:54 519k
BB - Battery & Charg..> 01-Jan-2008 11:54 4k
Deep Cycle 6 volt ba..> 01-Jan-2008 11:54 3k
GOLF CART BATTERY BA..> 01-Jan-2008 11:54 73k
WIRING TECH LINKS.pdf 01-Jan-2008 11:54 13k
[DIR] TRIAD CHARGER FILES/ >
DONT THROW AWAY THAT..> 06-Feb-2009 22:36 16.1M
bulletin_testing_tri..> 06-Feb-2009 22:30 51k
bulletin_triad_conve..> 06-Feb-2009 22:29 46k
bulletin_triad_conve..> 06-Feb-2009 22:29 31k
triad_1.jpg 06-Feb-2009 22:30 81k
triad_2.jpg 06-Feb-2009 22:30 71k
triad_3.jpg 06-Feb-2009 22:30 38k
triad_4.jpg 06-Feb-2009 22:30 74k
triad_5.jpg 06-Feb-2009 22:30 81k
triad_6.jpg 06-Feb-2009 22:31 55k
triad_brochure1.jpg 06-Feb-2009 22:31 48k
triad_brochure2.jpg 06-Feb-2009 22:31 82k
triad_brochure3.jpg 06-Feb-2009 22:31 52k
triad_brochure4.jpg 06-Feb-2009 22:31 94k

These Battery boilers are old technology and very heavy, some 'Bird owners tend to just replace them with newer technology units and then either throw them away, or let them sit in the corner gathering dust, in one of the articles above I talk about repairing the old Battery Boiler to use as an extra charger, but below I describe how I decided to use the one that my friend repaired for me to use whenever I'm dry camping and using the generator to power the new battery charger to charge the batteries, with a more convenient hookup here is what I did.



I fail to mention that I can leave the Battery Boiler plugged into the buddy plug and then turn it On and Off using the On/Off switch that Clay had already installed on it.

If you decide to discard them for some new technology model(s) then bring them to a rally and offer them either up for sale, or give them away at the flea market, they can always be used as a battery charger around the shop.

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  #6  
Old 03-01-2010
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Kip,

Bill here to further confuse the issue

We have an 88 FC, I think it should be about the same as your PT, as for charging. If the transfer switch was in the generator position, the AC battery charger, charged all batteries,
Also with the Master switch in the OFF position, the separately plugged in battery charger should still charge the batteries.
It appears that in the picture this is not an original BB charger, so it may be wired in differently, especially if it is also an inverter.
I would recheck your charging, generator charging, & separate plugged in charging, while checking the 12 volt dash gage and the current on the alternator /charging dash gage.
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  #7  
Old 03-01-2010
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Thanks Bill....way too early in the morning for my aging brain to comprehend this post..more coffee then I'll try again. The PO had the xfer switch on 50amp and it charged, when I run the gennie it charges. Doesn't that mean the charger is working. I'll check those guages
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  #8  
Old 03-01-2010
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Bill, my 88 PT had two Power Source chargers just like Kip's. I replaced them both last summer because one was only putting out 12V and the other one 12.2V. Replaced with 3 stage chargers.
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  #9  
Old 03-01-2010
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Quote:
Originally Posted by atckip View Post
I don't have my 50 amp service set up yet. And I've seen that left unplugged,the batteries only last a couple of days. So I used an extension cord and plugged what I think is the battery charger. I did have the power switch under the driver turned off. Today the batteries were dead. I jumped the generator battery, started the generator and after a little while started the motor. I guess with the engine or generator running, their alternators charge the batteries. Am I doing something wrong.
No, I don't think you are doing anything wrong but you need to control the phantom drain on your batteries. You may want to put on some battery disconnect switches on your battery banks, one per bank. With fully charged batteries and a disconnect switch your batteries should hold a charge for 3 - 5 months. Before I installed mine my coach batteries would die in about a week, now I can go for about 5 months without a charge. The underdash master cutoffs are not enough to control phantom voltage drain.
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