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Old 03-18-2024, 02:31 PM   #1
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How does YOUR fifth wheel converter work?

Seems like a simple question:

I am curious to know from other Jayco 5er owners:

When you flip the breaker for your converter circuit, what specifically do you lose power to, and can you measure a watt or amperage draw decrease when doing so.

Bonus question: What Jayco trim do you have (Eagle, NP, etc), and do you have an inverter installed either after market ort OEM?
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Old 03-18-2024, 02:45 PM   #2
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Quote:
Originally Posted by Vista View Post
Seems like a simple question:

I am curious to know from other Jayco 5er owners:

When you flip the breaker for your converter circuit, what specifically do you lose power to, and can you measure a watt or amperage draw decrease when doing so.
If no battery is connected you lose all 12v power for lights, thermostat control voltage for a/c and furnace, same for water heater and fridge. If you have a battery connected the only thing that would lose power is the battery charging circuit. Lights will get dimmer since the voltage would be slightly lower than a battery alone.
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Old 03-18-2024, 03:07 PM   #3
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and when turning off the converter 120 volt watt/amperage decrease will all depend on what you having on and the SOC of the batteries before you turned it off. i.e. was the converter pumping Ah into the batteries or were they fully charged.

Not sure what you are trying to figure out? Context would help
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Old 03-18-2024, 03:07 PM   #4
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Quote:
Originally Posted by Grumpy View Post
If no battery is connected you lose all 12v power for lights, thermostat control voltage for a/c and furnace, same for water heater and fridge. If you have a battery connected the only thing that would lose power is the battery charging circuit. Lights will get dimmer since the voltage would be slightly lower than a battery alone.
One would think.

But ... if my memory is correct, last time I flipped the converter breaker, I lost all 12v power despite the battery of course still being hooked up just fine.

Bear in mind, I am going from memory, but it seemed odd at the time and is PART of why I asked the question that I asked.
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Old 03-18-2024, 03:11 PM   #5
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and when turning off the converter 120 volt watt/amperage decrease will all depend on what you having on and the SOC of the batteries before you turned it off. i.e. was the converter pumping Ah into the batteries or were they fully charged.

Not sure what you are trying to figure out? Context would help
Let's assume the battery is fully charged. Let's assume you have nothing explicit turned on other than constant 12v loads (for example USB outlets, radio, CO/LP detector, and let's add the LP fridge thermostat for good measure).

The context is just as I asked it. . I notice you didn't answer for what happens when YOU flip YOUR converter breaker on YOUR fifth wheel.
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Old 03-18-2024, 03:11 PM   #6
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Originally Posted by Vista View Post
One would think.

But ... if my memory is correct, last time I flipped the converter breaker, I lost all 12v power despite the battery of course still being hooked up just fine.

Bear in mind, I am going from memory, but it seemed odd at the time and is PART of why I asked the question that I asked.
that might happen if the battery disconnect has been switched off...or you have a problem somewhere else. You should not have lost 12 volt with the batteries connected and everything working properly.
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Old 03-18-2024, 03:12 PM   #7
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Originally Posted by Vista View Post
Let's assume the battery is fully charged. Let's assume you have nothing explicit turned on other than constant 12v loads (for example USB outlets, radio, CO/LP detector).

The context is just as I asked it. . I notice you didn't answer for what happens when YOU flip YOUR converter breaker on YOUR fifth wheel.
should be 1 amp or less, and nothing happens in my RV except batteries stop being charged.

There you go
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Old 03-18-2024, 03:14 PM   #8
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should be 1 amp or less, and nothing happens in my RV except batteries stop being charged.

There you go
Pinnacle, I assume. OEM Inverter? No inverter?
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Old 03-18-2024, 03:19 PM   #9
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Quote:
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Pinnacle, I assume. OEM Inverter? No inverter?
Inverter is not part of the converter equation unless it is an Inverter charger, which Jayco does not use.
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Old 03-18-2024, 03:22 PM   #10
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Pinnacle, I assume. OEM Inverter? No inverter?
yes, Pinnacle it's in my signature if you can see it.

OEM Converter PD4560 and PD1618 Inverter.
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Old 03-18-2024, 03:23 PM   #11
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Inverter is not part of the converter equation unless it is an Inverter charger, which Jayco does not use.
True, if wired properly.
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Old 04-01-2024, 11:25 PM   #12
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I am really new to this - just got a 2019 Pinnacle 36 FTBS. So the Xantrex Inverter we have does not work as the charger? In that case, where is the charger?

Thanks!
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Old 04-01-2024, 11:43 PM   #13
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Convert = 110v to 12v (simply)
Invert = 12v to 110v (simply).
To charge your batts: Shore power (110v) runs through the CONVERTER and changes to 12v which charges battery. Generator the same - 110v activates CONVERTER and branches off 12v to battery.
Inverter - shore power or generator essentially runs through it because the inverter senses 110v at the input (simply). If there is 12v at input (no shore power or gen), that voltage is stepped up to 110v instead.
Converter - does what a step down transformer does like your cell phone plug in
Inverter - does what a step up transformer does 12 v to 110v (simply).
Done through electronic components and contactors instead of large coils of copper wire (transformers).
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Old 04-02-2024, 06:10 AM   #14
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I am really new to this - just got a 2019 Pinnacle 36 FTBS. So the Xantrex Inverter we have does not work as the charger? In that case, where is the charger?

Thanks!
most likely located in the Circuit breaker box in your unit.
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Old 04-02-2024, 07:59 AM   #15
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The convertor is actually a power center and it functions as a charger as well
Attached Files
File Type: pdf PD4500-110030J-Power Center owners-manual-english.pdf (260.8 KB, 10 views)
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Old 04-02-2024, 12:31 PM   #16
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most likely located in the Circuit breaker box in your unit.
Thanks Learjet! Is it that fan I can hear going on and off to the right of the breaker panel?
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Old 04-02-2024, 01:07 PM   #17
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How does YOUR fifth wheel converter work?

Works great until it fails then you will lose battery charging and eventually all dc.....no slides, leveling system, lights, refrigerator, etc. Ask me how I know.
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Old 04-02-2024, 08:07 PM   #18
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Thanks Learjet! Is it that fan I can hear going on and off to the right of the breaker panel?
yes, it will cycle as necessary for cooling the electronics in the converter.
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Old 04-03-2024, 11:29 AM   #19
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My experience (mine is Eagle), my converter has the horrible whine when getting pushed to charge the battery, and I am awaiting a replacement.

It has been made worse since I converted my batteries to Lithium (yes the replacement will handle Lithium batteries).

I decided to just flip the breaker to shut off the converter. I have solar installed so the battery is still getting charged without issue and everything in the camper is working as expected (all 12v circuits still work). The wife would let me know if something wasn't working right.

So long answer short, since I have solar charging the battery, I am not noticing any different from converter being on vs off. And since its lithium now vs lead acid, you can't even tell the difference in light brightness. I have been operating this way for a couple weeks while I wait for parts.
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Old 04-06-2024, 11:54 AM   #20
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Quote:
Originally Posted by Edutron View Post
Convert = 110v to 12v (simply)
Invert = 12v to 110v (simply).
To charge your batts: Shore power (110v) runs through the CONVERTER and changes to 12v which charges battery. Generator the same - 110v activates CONVERTER and branches off 12v to battery.
Inverter - shore power or generator essentially runs through it because the inverter senses 110v at the input (simply). If there is 12v at input (no shore power or gen), that voltage is stepped up to 110v instead.
Converter - does what a step down transformer does like your cell phone plug in
Inverter - does what a step up transformer does 12 v to 110v (simply).
Done through electronic components and contactors instead of large coils of copper wire (transformers).
Haven't been in the RV thing real long. But this explanation is the most helpful one I've seen, thanks.
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