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Old 04-12-2015, 05:58 PM   #1
Join Date: Aug 2014
Posts: 68
Converter / charger

Hey all..

I have an old class C that has an old converter charger that I had decided to upgrade. I removed the old one and discovered that it has a auto-transfer switch that will switch the load (converter/charger) to shore power or generator power. I know that this was installed as to prevent "out of phase" hazard should someone connect shore power when the gen is running or vise versa.

I have a progressive dynamics pd4590 with the charge control wizard. The issue is that the PD unit does not have a transfer switch like the old one did. I know I can get away with running both gen and shore power lines into to the mains on the panel. However, I would be afraid that a someone would start the gen when it's on shore power and basically blow the converter out of the wall and start a fire.

Any suggestions ??

Also, the charger is working perfectly and has output at the batt lugs. However, when i check the batt voltage with gen running, I'm only showing 12.0v.. The batt cables that connect to the charger don't match the cables at the batt itself.. Any suggestions?? Do they run to another location before going to the batt ?


PS.. The old converter charger (can't remember the name) looks to be an original version of magatek/ parrallex with "push-matic" breakers

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Old 04-12-2015, 10:11 PM   #2
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Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 17,845
In generator equipped RVs that didn't have an auto transfer switch, a simple outlet was installed. The main power panel led to a male 30 amp outlet (or 50 amp if needed) The shore cord was modified to the RV end with a female plug. A cord from the generator also ends in a female 30 amp plug. Which ever plug is in the outlet, that's where the power comes from.

Since only one can be plugged in at a time, no phase issues. When leaving a campsite, always unplug the shore cord and plug in the generator in case you need it while driving or stopping for lunch.

Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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