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Old 06-24-2016, 06:57 PM   #1
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2006 34FDDS dining room light and outlet issue.

The dining room light and the outlet behind the passenger side front seat only work when I am plugged into shore power or when the generator is running. It does not work when the inverter is on, shore power is disconnected, and generator is off.

I am a new owner to "Alpines" .


Is this normal? and if so why would this be this way.


Thanks in advance.

Steve
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Old 06-24-2016, 07:33 PM   #2
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Mine is the same. I guess it's normal.
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Old 06-24-2016, 08:26 PM   #3
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2006 34FDDS dining room light and outlet issue.

That is normal operation, not all lights, plugs are on the inverter. Generator or shore power.
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Old 06-25-2016, 11:03 AM   #4
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Ok thanks guys. I wonder why they did this. I thought that maybe because this light is a high power consumption light (2, 110v incandescent bulbs) they didn't want to pull the batteries down quickly when only on battery power, but that theory kind of went out the window when the two incandescent lights of either end of the master bed's headboard worked on 110V house battery only.
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Old 06-25-2016, 12:58 PM   #5
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Guys,

A 50-amp circuit from shore power effectively has 2 - 120V legs. Only 1 - leg actually feeds the Inverter. The other leg passes thru and feeds "non-essential" outlets or the ones you're finding dead when on Inverter mode. This is why the Inverter is typically setup to feed "Essential" circuits such as the refrigerator & microwave as well as outlets in the bathroom, etc. The object being that the "Essential" circuits are items you would "need" while dry camping &/or while traveling down the road.

This is also why you need to be careful about how many appliances are in use simultaneously while in Inverter mode. You can easily overload that circuit especially if you have a residential fridge. The Inverter "should" have a protection circuit against an overload but that's what eventually blew our original Xantrex 458 Combi Inverter. I now monitor the Xantrex SCP which displays total incoming amps being used to make I don't exceed 30 amps.

Also, the Onan 7.5 generator has a breaker labeled 35 Amp that corresponds to the same circuit that feeds the Inverter/Charger. This breaker will also blow if you overload that circuit. I found this out the hard way ... everything suddenly went dead right when I needed it to charge the batteries back up from overnight dry camping. Keep in mind, the Charger requires many amps to charge those bats!
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Old 06-25-2016, 04:01 PM   #6
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2006 34FDDS dining room light and outlet issue.

Ok, so here is the "rest of the story". When originally manufactured your coach had a 2000 watt inverter, that is just over 18 amps. So Western needed to decide how to allocate those amps. As Bob said they determined what they thought was essential and put those circuits on the inverter, the rest were left to shore or generator power. On our coach the dining room light is not on the inverter, but there are two 12 volt halogen lights recessed into the ceiling over the dining room table that do operate on the batteries. BTW if you have not done so already convert all the recessed lights to led, it will help you go longer on the batteries. If you want to use the dimmer for these lights you will need to replace the dimmer, (the original dimmer reduced the voltage, LED's need you to pulse the full 12 volts so they can dim) get one for LED's and remove the capacitor WRV has buried in the ceiling. Yes, WRV did put the bedroom lights on 110 Volts, who knows why they did what they did, somethings make sense, other things, not so much, we just need to understand and work with them.
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Old 06-26-2016, 11:47 AM   #7
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In addition to the "essential" circuits, the inverter also powers the entertainment center. I might consider that essential, but others might not!

In fairness to WRV, the LED lights available when our coaches were designed were not that good. They are much better now.
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