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11-26-2014, 02:20 PM
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#1
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Senior Member
Join Date: May 2013
Posts: 335
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Battery equalization
A friend has a 2005 Fleetwood Excursion and he says the house batteries are getting weak. I mentioned doing an equalization charge cycle as a last resort to possibly get a little more life from them. Do any of you know how to set the charger for the equalization cycle?
1994 Holiday Rambler Navigator
Cummins 8.3
Allison MD3060
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1994 Holiday Rambler Navigator
300HP Cummins 8.3
Allison MD 3060
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11-26-2014, 02:28 PM
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#2
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Senior Member
Newmar Owners Club
Join Date: Jul 2006
Location: Wellington, Florida
Posts: 13,599
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Hi GA Navigator,
This question might be better posted in the Monaco Owners Forum at Monaco Owner's Forum - iRV2 Forums The answer is very specific to the charging system installed in the coach. HR owners hang out in that forum and should quickly be able to provide guidance.
On edit: Oops, sorry about that. The Fleetwood Owners forum would be a better bet.
__________________
Gary
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
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11-26-2014, 02:30 PM
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#3
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Senior Member
Join Date: May 2013
Posts: 335
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Quote:
Originally Posted by GaryKD
Hi GA Navigator,
This question might be better posted in the Monaco Owners Forum at Monaco Owner's Forum - iRV2 Forums The answer is very specific to the charging system installed in the coach. HR owners hang out in that forum and should quickly be able to provide guidance.
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Not my unit but maybe I'll try the Fleetwood section.
Thanks.
1994 Holiday Rambler Navigator
Cummins 8.3
Allison MD3060
__________________
1994 Holiday Rambler Navigator
300HP Cummins 8.3
Allison MD 3060
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11-26-2014, 02:31 PM
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#4
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Junior Member
Join Date: Jun 2013
Location: Pearland, TX
Posts: 18
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Activate Equalizer
In my '94 Nav The panal is above the door. Push the SET UP and CHARGE buttons at the same time..
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'94 HR Navigator 38'
'04 Jeep TJ w/4" lift
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11-26-2014, 02:43 PM
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#5
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Senior Member
Join Date: May 2013
Posts: 335
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Quote:
Originally Posted by kenjrhrn
In my '94 Nav The panal is above the door. Push the SET UP and CHARGE buttons at the same time..
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Yes I know how to do it on my Navigator but I'm trying to help a buddy.
1994 Holiday Rambler Navigator
Cummins 8.3
Allison MD3060
__________________
1994 Holiday Rambler Navigator
300HP Cummins 8.3
Allison MD 3060
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11-26-2014, 03:04 PM
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#6
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Senior Member
Country Coach Owners Club
Join Date: Jan 2006
Location: Northern California
Posts: 5,868
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What kind of inverter does he need help with. I have a Heart Freedom 25, 1995 vintage.
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Dean
1995 38' CC Magna #5280 **** Sold after 21 years of enjoyment.
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11-26-2014, 03:10 PM
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#7
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Senior Member
Join Date: May 2013
Posts: 335
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Quote:
Originally Posted by deandec
What kind of inverter does he need help with. I have a Heart Freedom 25, 1995 vintage.
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I'm not sure. I'm trying to find out now. He says he thinks it is a Xantrex.
1994 Holiday Rambler Navigator
Cummins 8.3
Allison MD3060
__________________
1994 Holiday Rambler Navigator
300HP Cummins 8.3
Allison MD 3060
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11-26-2014, 05:02 PM
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#8
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Senior Member
Join Date: Feb 2010
Posts: 4,654
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If you have a brute force type of stand alone charger they will work if they are larger than 20 amps.
Gas station type work well too.
Just boil them until well done then top off water and trickle a few days.
Do not put anything else in.
Also be sure posts are shiny clean...use a reamer type tool.
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Tony & Lori
1989 Country Coach Savannah SE
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11-26-2014, 05:09 PM
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#9
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Community Moderator
Join Date: Sep 2011
Location: Between the Oceans
Posts: 8,034
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there are two ways to do it, if his inverter is a heart freedom/xantrex:
1) he will need a 84-2056-01 basic remote. hold setup and charge buttons simultaneously, the equalizing mode will come up. a prerequisite: rig must be on shore power for at least 6 hours.
2) if he has a large solar system, with either outback or midnite controller, there is an equalizing charge mode on the controller he can select. not sure about morning star though.
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Steven & Polly
2000 Country Coach Intrigue 40' ISC 350
2018 Ford Explorer 4WD
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11-26-2014, 05:15 PM
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#10
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Our Interstate U-2200's lasted one month short of 10 years and were still good enough to go at least overnight.
In 2004 I put 4 oz of mineral oil in each cell.
Over their 10 year life I NEVER ran an equalizing charge on them.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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11-26-2014, 05:20 PM
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#11
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Senior Member
Join Date: Feb 2010
Posts: 4,654
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A 12 volt single battery is 6 cells in series.
Over time one or more may begin to sulfate causing resistance to rise and capacity to fall.
This is normal!
Equalizing is a higher voltage applied resulting in more charging current overall but targeting the cells with the higher resistance as they need the reaction to increase.
Just driving down the road often does this as the alternator is usually a little on the high side.
Doide isolators or small for the load alternators limit this.
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Tony & Lori
1989 Country Coach Savannah SE
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11-26-2014, 05:32 PM
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#12
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Community Moderator
Join Date: Sep 2011
Location: Between the Oceans
Posts: 8,034
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Quote:
Originally Posted by TQ60
A 12 volt single battery is 6 cells in series.
Over time one or more may begin to sulfate causing resistance to rise and capacity to fall.
This is normal!
Equalizing is a higher voltage applied resulting in more charging current overall but targeting the cells with the higher resistance as they need the reaction to increase.
Just driving down the road often does this as the alternator is usually a little on the high side.
Doide isolators or small for the load alternators limit this.
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hmmm... equalizing charge is @15.5v (for my trojan), i am not sure "driving down the road" the alternator regulator is set to that high.
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Steven & Polly
2000 Country Coach Intrigue 40' ISC 350
2018 Ford Explorer 4WD
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11-26-2014, 05:35 PM
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#13
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Senior Member
Join Date: Feb 2010
Posts: 4,654
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Usually not but often 14 or so which works as maintenance...
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Tony & Lori
1989 Country Coach Savannah SE
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11-26-2014, 05:59 PM
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#14
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Senior Member
Join Date: Jul 2014
Posts: 225
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As mentioned by Countryfit, press and hold the set-up and charge buttons simultaneously for a couple of seconds until the led's start blinking sequentially. You probably already told your friend to fill the cells with distilled water before starting and when the equalization charge is complete. The Xantrex will run an equalization for eight hours (I think and then shut off). The equalization can be terminated manually at any time. Before starting the equalization, it would be good to check the specific gravity of the electrolyte in each cell. You can buy a cheapo hygrometer at any auto parts store for about $5. Once you remove the battery caps it takes about 10 seconds per cell to check. Knowing the specific gravity of each cell beforehand will tell your friend if he has one or more weak cells. After the equalization charge he would then measure the specific gravity again to see if the problem has been corrected and more battery life has been obtained.
Equalizing wet cell batteries frequently is generally a good thing. I think Interstate recommends doing it once a month.
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