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07-13-2018, 08:31 PM
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#41
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Senior Member
Brand: Still Looking
State: Texas
Posts: 6,187
THOR #2121
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Quote:
Originally Posted by RvEd
I think you meant 4-6v replaced by 2-12v? If you only have enough room for 2-6v, you definitely won't fit 2-12v in the same space.
You would have 4-6v batteries total, 2 wired in series and then those 2-pairs wired in parallel to achieve the equivalent 12v pair.
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You are very confused on this entire battery voltage topic. In doesn’t work as you think some of the time, yet you get it correct some of the time, which isn’t good enough when designing systems. You need to understand everything correctly.
I suggest you do a bit more research to educate yourself in this area.
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07-13-2018, 08:59 PM
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#42
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 31L
State: Florida
Posts: 2,063
THOR #12189
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Sorry. I didn't mean to get anyone riled. Here's an example of 4-6v batteries, wired in series and then parallel. This is, in part, what I was trying to say. I apologize if it didn't come out that way. If it's any consolation, I knew what I meant?
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07-13-2018, 10:29 PM
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#43
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Quote:
Originally Posted by RvEd
If you wanted to step it down and wire two 12v 100ah batteries in parallel, you could get 200ah. I forgot what your required space requirements were
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Two Type 27 batteries...
http://www.thorforums.com/forums/att...1&d=1531520973
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"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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07-13-2018, 11:14 PM
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#44
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 31L
State: Florida
Posts: 2,063
THOR #12189
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Quote:
Originally Posted by Bob Denman
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Both links I sent have dimensions for you to reference and compare to the room you have.
Just check your existing charger against a lithium charge profile. Lithium will charge different in the last phase (top off phase).
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07-13-2018, 11:19 PM
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#45
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Thanks!
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07-15-2018, 12:24 PM
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#46
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 31L
State: Florida
Posts: 2,063
THOR #12189
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One correction: there are 3 basic modes - bulk (beginning), absorption and float (end or last). Apologies for that.
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07-27-2018, 11:36 AM
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#47
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 31L
State: Florida
Posts: 2,063
THOR #12189
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Can't find my converter???
So it's back to this again. Bottom line: I can't find my converter?? I tore the coach apart yesterday, as much as I can find. If it looked like a panel or storage area, the panel came off.
The wiring schematic suggests it's under the bed at the fuse panel? I see a larger 'housing' in the back of the fuse panel at the bottom of the attached pic. It certainly looks like that's where the battery cables are entering the fuse panel.
Can anyone confirm if I'm on the right track?? Can the wires be simply 'disconnected' and rerouted for the inverter/converter install?
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07-27-2018, 02:31 PM
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#48
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 4,183
THOR #6411
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The converter/charger is usually part of the power panel. It is in the bottom of the WFCO power panel. It is accessed from the front of the panel by removing the panel's entire cover.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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07-27-2018, 02:47 PM
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#49
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,389
THOR #7035
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What Beau said. It's inside the extended portion of the back of the panel picture you posted.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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07-27-2018, 02:51 PM
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#50
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 4,183
THOR #6411
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You will have to have good access to the inverter/converter as there will be several heavy duty wires plus the Romex coming into and leaving the device. You can just remove your old converter/charger or just disconnect it, but the inverter/converter probably will not fit there.
My 1,000 watt inverter is about twice the size of the converter/charger, and because of the heat the inverter produces, it is in a large compartment. If the inverter is 90% efficient and producing a 2,000 watt output, then 200 watts is going into heat. Ever get your hand close to a 200 watt incandescent light bulb?
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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07-28-2018, 10:30 PM
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#51
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 31L
State: Florida
Posts: 2,063
THOR #12189
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Thanks Beau, Fryman. 200w light bulb? Yes, I have and it gets pretty darn hot. Are you sure absolutely sure about that? How did you calculate the number?
I was going to put it under the bed (it would fit) but no more. I have a place under one of the dinette seats that has nothing else in it but that's a long run and a lot of hacking to run the wiring.
I am looking at a 2500w that has a Nominal efficiency of 88% (peak) and Line mode efficiency of 95%. Maybe your formula will help me get a handle of what I'm dealing with.
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07-29-2018, 01:57 PM
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#52
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,669
THOR #12231
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Well A 200 watt light bulb does not have a fan blowing on it continuously with large aluminum heat sinks surrounding it. So IMO you cant compare them.
From my experience with a 1200 watt inverter - it only gets warm after a few hours light use.
Perhaps if I was running my inverter at peak wattage for 30 minutes or more it might get much hotter but I think most people will use the inverters for the frig and one TV and maybe a few lights continuously and other electrical items intermittently (so they are only at or near peak for a short term).
Just leave plenty of room around the inverter and would suggest a vent (or two) if under dinette or someplace that is enclosed for air flow.
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08-01-2018, 01:00 PM
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#53
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 31L
State: Florida
Posts: 2,063
THOR #12189
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Quote:
Originally Posted by Long & Winding road
...Just leave plenty of room around the inverter and would suggest a vent (or two) if under dinette or someplace that is enclosed for air flow.
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Thanks, makes sense and thanks for the vent idea. Have something in mind that should look factory - some neatly drilled holes and some custom ducting to the intake and exhaust to enter and exit the enclosed area.
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08-01-2018, 01:36 PM
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#54
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 4,183
THOR #6411
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I was simply saying the total heat produced by an inverter delivering 2,000 watts at 90% efficiency is 200 watts. I did not mean to imply that the inverter itself got that hot, only that the inverter would supply that much heat into the compartment where it was installed. Most inverters have have a three speed fan and will generally operate continuously on the low speed when delivering significant power.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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