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Old 04-15-2017, 03:09 PM   #1
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Magnum Inverter/Charger

We have a 2017 31SL with residential refrigerator, and therefore have a Magnum inverter/charger. My question is this: how are the Magnum and the Progressive Power Converter charging connections to the batteries wired? Are they wired in parallel and both trying to control the battery charging cycle when on shore power? Does anyone have a schematic?
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Old 04-16-2017, 03:17 PM   #2
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They are both hardwired to the batteries. I've often wondered about any interaction, but in two years we haven't encountered any problems and we're connected to shore power except when on the road.
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Old 04-16-2017, 08:30 PM   #3
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I understand that they know where the power is coming from and do their internal stuff automatically. They tell me I can theoretically be connected to shore power and run the gen set at the same time and have the inverter turned on and it all is supposed to prioritize itself. I don't think I will test the theory
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Old 04-17-2017, 02:58 AM   #4
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If you are connected to shore power and start the onboard genny, once it's up to speed the Transfer Switch will switch from shore to genny, once you shut the genny off it will automaticly switch back to shore.
As far as the inverter it will stay in standby and just pass the 120 VAC on to the Fridge, it doesn't care if it's from shore to genny. Once you take away the 120 VAC source it will switch to Inverter mode and generate 120 VAC to power the fridge from the 12 VDC battery bank.
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Old 04-17-2017, 03:30 AM   #5
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Does anyone know the model numbers for the magnum inverter and progressive converter?
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Old 04-18-2017, 02:26 AM   #6
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Inverter: Magnum MMS1012, 1000 Watt Inverter/50 Amp Charger
Converter: Progressive Dynamics PD4590, Combo Power Distribution Panel/90 Amp Charger
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Old 05-14-2017, 03:43 AM   #7
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I'm just confused why Redwood would use a converter charger since the Progressive Dynamics converter has a very decent charger. But maybe I'm missing something.
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Old 03-03-2018, 08:25 PM   #8
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Progressive Dynamics PD4590

Does anyone know if I can simply add a couple of more batteries in parallel and have them charge up?

I looked at the specs on the Progressive Dynamics PD4590 and can't figure out if it can handle adding a couple more batteries.

Thanks

John
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Old 03-03-2018, 11:17 PM   #9
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I'm running four 12V batteries and the only thing I did was change the Magnum inverter setting for 400 Amp Hr worth of batteries. Didn't make any changes to the PD4500.
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Old 03-04-2018, 01:05 AM   #10
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M & A

Since you have an onboard generator, you must have been able to put the batteries by the hydraulic storage tank? I currently have two group 31 Diehard AGM's that have been installed since the coach was new which as been almost 5 years ago. I'm afraid its about time to replace so am trying to decide which way to go.
1. replace them with the same
2. install four 6 volt Trojan golf cart batteries
3. or do as you say you've done with 4 12 volt. A lot to consider as well as what container to use to contain them. How did you squeeze them in?

Jim
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