Hey folks! I'm about install a new Victron Multiplus Inverter/Charger into my 1977 31' Excella 500. This unit is similar to the "hybrid" inverters from Magnum. These units have the ability to "boost" shore or generator power by augmenting the available power from one of those sources with inverter power coming off the batteries. As such, I should be able to run my AC with a very small Honda/Yamaha generator, and I could even run it for some time WITHOUT a generator running or shore power at all.
Here's a link to the product (I've got the 12/3000/120-50 model - 3000w inverter and "50 amp pass-through max).
MultiPlus - Victron Energy
First of all, let me say that I fully realize the implications of running an AC off of inverter power alone and how fast it can suck the batteries dry. It isn't my intent to build this system to run the AC off batteries... just saying that it can do that. I'm going to have a LOT of power generation potential along with 400 to 1000 amp hours of power storage to work with so I could see myself firing up the AC for 30 minutes before I get to a campground, for example, or running the microwave at a rest stop for lunch. But the goal isn't to do anything like that for hours on end without using a generator or shore power.
Soooo... here's my loose thinking about install right now and some areas I'm looking for suggestions...
INSTALL LOCATION - the unit is pretty heavy (40lbs) and it is made for vertical/wall mount install. I have a question into the maker to ask about laying it down so it could potentially go in the front of the trailer where the current converter/charger is located. But I'm leaning towards vertical mounting it under the tv/credenza area or further back on the street side of the trailer. There will be a pretty fancy color touchscreen wall control panel coming off it along with other related bits such as battery monitor and solar charge controller.
WIRE SIZE/TYPE - Regardless of install location, it will need some heavy gauge 120v and 12v cables running to and from it. For 120v, I may want to directly wire up the incoming 30 amp power to the unit and then do a 50 amp wire run back to the main circuit breaker panel. (The unit can "boost" the 30A incoming to 50A by adding in power from the inverter.) Any advice on how and where to run this wire? In the belly? Conduit along the wall? Eventually inside the wall? Thoughts on if I should use stranded/solid wire? Any problems/considerations running both the incoming 30 amp and outgoing/breaker panel run 50 amp wires in the same bundle/conduit? I think I have the info I need for the 12v wire run. I'm just not as certain about AC 120v wiring and best practices.
Any and all advice and suggestions and/or questions about the unit are welcome!
Here's a link to the product (I've got the 12/3000/120-50 model - 3000w inverter and "50 amp pass-through max).
MultiPlus - Victron Energy
First of all, let me say that I fully realize the implications of running an AC off of inverter power alone and how fast it can suck the batteries dry. It isn't my intent to build this system to run the AC off batteries... just saying that it can do that. I'm going to have a LOT of power generation potential along with 400 to 1000 amp hours of power storage to work with so I could see myself firing up the AC for 30 minutes before I get to a campground, for example, or running the microwave at a rest stop for lunch. But the goal isn't to do anything like that for hours on end without using a generator or shore power.
Soooo... here's my loose thinking about install right now and some areas I'm looking for suggestions...
INSTALL LOCATION - the unit is pretty heavy (40lbs) and it is made for vertical/wall mount install. I have a question into the maker to ask about laying it down so it could potentially go in the front of the trailer where the current converter/charger is located. But I'm leaning towards vertical mounting it under the tv/credenza area or further back on the street side of the trailer. There will be a pretty fancy color touchscreen wall control panel coming off it along with other related bits such as battery monitor and solar charge controller.
WIRE SIZE/TYPE - Regardless of install location, it will need some heavy gauge 120v and 12v cables running to and from it. For 120v, I may want to directly wire up the incoming 30 amp power to the unit and then do a 50 amp wire run back to the main circuit breaker panel. (The unit can "boost" the 30A incoming to 50A by adding in power from the inverter.) Any advice on how and where to run this wire? In the belly? Conduit along the wall? Eventually inside the wall? Thoughts on if I should use stranded/solid wire? Any problems/considerations running both the incoming 30 amp and outgoing/breaker panel run 50 amp wires in the same bundle/conduit? I think I have the info I need for the 12v wire run. I'm just not as certain about AC 120v wiring and best practices.
Any and all advice and suggestions and/or questions about the unit are welcome!
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