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Old 03-27-2014, 07:35 AM   #1
Join Date: Aug 2012
Location: Lake Ozark, Missouri
Posts: 97
93 Safari Older Invertor questions

I had an old inverter which was bad. It was a heart brand. I've pulled it and am in the process of upgrading. I'm trying to understand it. At the unit it 110 comes out of it in the form of 2 110 plugs which plugs into an outlet under my rig.
#1 So the first assumption is this feeds my entire RVs electric system?

Secondly I have another Heart item in kitchen which is a reset switch and idiot light and a 110 outlet which seems to be dead to run things but it does set off my little electricity sensor even with main unit missing. It was connected to main unit with an old computer 9 pin plug. My upgrade is controlled by a phone line.

Thirdly the control box shows condition of battery's and turns it on and off and several other functions. Why do these things have to be mounted in the kitchen. It would be much easier running my phone from back bed room.

I am mechanical but when it comes to all these electrical components I'm get lost. So lets start out with this questions.
What is this inverters role anyway?
Why do I need this exactly? The upgrade is an 1800 watt.
Will this I assume run almost everything in my unit?
Why is it controlled in kitchen?

Dwin E Ollison
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Old 03-28-2014, 02:05 AM   #2
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I can answer some of your questions but will need more information to help with others.

An inverter makes 120 vac from 12vdc power source. If it has a built in charger, it will recharge battery bank when outside power (generator or shore power) is on.

If you want to run your entertainment components without the generator or shore power , an inverter will power them from your house battery bank. Depending on the size of the inverter, it may also power the microwave and other 120 volt receptacles.

Inverters can be installed in many different configurations. To find out what yours will power; turn off shore power and generator. Turn on the inverter and check all 120 vac apparatuses for normal operation. Keep notes as to what works and what does not. Usually roof air conditioners, washers and dryers are not feed by inverters.

The controller is in the kitchen only for the ease of wiring from the manufacturer or after market installation.

I would recommend a qualified technician install your upgrade if you do not have a thorough understanding of the wiring of this system.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7
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