Reply
 
Thread Tools Display Modes
 
Old 04-24-2019, 01:28 PM   #1
Bronze Member
 
Join Date: Aug 2011
Location: Vermont
Posts: 33
Default Disconnecting Inverter for coach battery change

2006 Roadtrek Adventurous...After numerous testing procedures(not only electrical but my knowledge from a previous life), I have found the coach battery holds enough charge to power the Fantastic Fan for about 20 seconds before dieing. So, when changing the coach battery how does one "disconnect the inverter"? And, since I never plan on using 120v unless we are plugged in, where should I leave the switch on the inverter?
__________________

Moonmanvt is offline   Reply With Quote
Old 04-24-2019, 01:42 PM   #2
Platinum Member
 
Join Date: Aug 2010
Location: Minnesota
Posts: 7,247
Default

Quote:
Originally Posted by Moonmanvt View Post
2006 Roadtrek Adventurous...After numerous testing procedures(not only electrical but my knowledge from a previous life), I have found the coach battery holds enough charge to power the Fantastic Fan for about 20 seconds before dieing. So, when changing the coach battery how does one "disconnect the inverter"? And, since I never plan on using 120v unless we are plugged in, where should I leave the switch on the inverter?

If you are never going to need 110v power without shore power, I would leave the inverter itself in the OFF position. If it is one that has a remote on switch, like Tripplite IIRC, if the inverter is set on REMOTE everything is the same but it can get turned on accidentally pretty easily. No reason to use any power to it if you are never going to use it.
__________________

booster is offline   Reply With Quote
Old 04-24-2019, 01:57 PM   #3
Platinum Member
 
markopolo's Avatar
 
Join Date: Oct 2006
Location: New Brunswick, Canada
Posts: 7,733
Default

Assuming it's a Tripp Lite inverter/charger

1. When replacing the battery turn the inverter off as Booster noted. You do this on the inverter/charger itself (not on the remote). It's a 3 position switch.

2. If never wanting to use the inverting function then leave the 3 position switch in the charge only position on the inverter/charger itself. If you have the 2 position remote switch then off is the same as charge only.
__________________
Two bikes on sliding cargo box: https://www.classbforum.com/forums/m...icture206.html & 1997 GMC Savana 6.5L Turbo Diesel Custom Camper Van Specifications: https://www.classbforum.com/forums/f...vana-5864.html
markopolo is offline   Reply With Quote
Old 04-24-2019, 02:31 PM   #4
Platinum Member
 
Join Date: Aug 2010
Location: Minnesota
Posts: 7,247
Default

Quote:
Originally Posted by markopolo View Post
Assuming it's a Tripp Lite inverter/charger

1. When replacing the battery turn the inverter off as Booster noted. You do this on the inverter/charger itself (not on the remote). It's a 3 position switch.

2. If never wanting to use the inverting function then leave the 3 position switch in the charge only position on the inverter/charger itself. If you have the 2 position remote switch then off is the same as charge only.

OOps forgot about the off being everything off and charge only being inverter off on a Tripplite. What Marko says. The charge only position is the one that the remote can be easily left on and drain power as many of the remotes don't have an indicator light. When we had that setup the inverter remote switch was right below an identical porch light switch so go accidentally on a couple of times.
booster is offline   Reply With Quote
Old 04-24-2019, 04:05 PM   #5
Platinum Member
 
Join Date: Jul 2012
Posts: 2,224
Default

And, if you switch from wet cell to AGM leave the battery type as wet cell. Both RT and TrippLite support have given the wrong recommendation to use the gel setting.
gregmchugh is offline   Reply With Quote
Old 04-25-2019, 05:32 AM   #6
Platinum Member
 
rowiebowie's Avatar
 
Join Date: Jul 2018
Location: Texas
Posts: 724
Default

Quote:
Originally Posted by gregmchugh View Post
And, if you switch from wet cell to AGM leave the battery type as wet cell. Both RT and TrippLite support have given the wrong recommendation to use the gel setting.
I have a '2012 Tripplite RV750UL charger/inverter and have been thinking of going back to AGM just for the purposes of not having to check water levels. Are you saying to leave dip switch setting to wet cell even if using AGM's or just on his model charger?
.
rowiebowie is offline   Reply With Quote
Old 04-25-2019, 06:57 AM   #7
Platinum Member
 
Join Date: Jul 2012
Posts: 2,224
Default

Quote:
Originally Posted by rowiebowie View Post
I have a '2012 Tripplite RV750UL charger/inverter and have been thinking of going back to AGM just for the purposes of not having to check water levels. Are you saying to leave dip switch setting to wet cell even if using AGM's or just on his model charger?
.
For the TrippLite there are limited battery type choices with no AGM choice, the wet cell choice has charge voltages closest to typical AGM requirements. Other chargers have specific AGM options.
gregmchugh is offline   Reply With Quote
Old 04-25-2019, 03:44 PM   #8
Platinum Member
 
rowiebowie's Avatar
 
Join Date: Jul 2018
Location: Texas
Posts: 724
Default

Quote:
Originally Posted by gregmchugh View Post
For the TrippLite there are limited battery type choices with no AGM choice, the wet cell choice has charge voltages closest to typical AGM requirements. Other chargers have specific AGM options.
Checked my Tripplite manual for setting options. Has one for "Wet Cell (Vented) Battery" which is designated as "Factory Setting" and another for "Gel Cell (Sealed) Battery". I'm running wet cells but incorrectly assumed if I went to AGM's I would need to change to the "sealed" setting. Thanks for the explanation.
.
rowiebowie is offline   Reply With Quote
Old 04-25-2019, 04:50 PM   #9
Platinum Member
 
Join Date: Jul 2012
Posts: 2,224
Default

Quote:
Originally Posted by rowiebowie View Post
Checked my Tripplite manual for setting options. Has one for "Wet Cell (Vented) Battery" which is designated as "Factory Setting" and another for "Gel Cell (Sealed) Battery". I'm running wet cells but incorrectly assumed if I went to AGM's I would need to change to the "sealed" setting. Thanks for the explanation.
.
It was common for both Roadtrek and TrippLite support to tell people to use the gel setting for AGM based on the info in the manual which doesn’t give the actual charge voltages for either setting. Once the charge voltages were revealed it was clear that the gel setting was only for actual gel batteries not AGM. They never updated the charger with an AGM profile so wet cell is the best you can do.
gregmchugh is offline   Reply With Quote
Old 04-30-2019, 07:15 AM   #10
Platinum Member
 
Knit's Avatar
 
Join Date: May 2013
Location: CA
Posts: 139
Default Disconnecting Inverter for coach battery change

My Tripplite RV750ULHW manual explicitly says the switch setting is for AGM/Gel cell. So the advice here is to go against what the manual says?
IMG_0418.jpg

I asked their support once about charging voltages and this was their reply

Bulk Charge - The first stage of 3-stage battery charging. Current is sent to batteries at the maximum safe rate they will accept until voltage rises to near (80-90%) full charge level. Voltages at this stage typically range from 10.5 volts to 15 volts. There is no "correct" voltage for bulk charging, but there may be limits on the maximum current that the battery and/or wiring can take.

Absorption Charge: The 2nd stage of 3-stage battery charging. Voltage remains constant and current gradually tapers off as internal resistance increases during charging. It is during this stage that the charger puts out maximum voltage. Voltages at this stage are typically around 14.2 to 15.5 volts.

Float Charge: The 3rd stage of 3-stage battery charging. After batteries reach full charge, charging voltage is reduced to a lower level (typically 12.8 to 13.2) to reduce gassing and prolong battery life. This is often referred to as a maintenance or trickle charge, since it's main purpose is to keep an already charged battery from discharging. PWM, or "pulse width modulation" accomplishes the same thing.
__________________

Knit is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Featured Campgrounds

Reviews provided by

Powered by vBadvanced CMPS v3.2.3

All times are GMT. The time now is 06:06 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2019, vBulletin Solutions, Inc.