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Old 07-05-2016, 01:03 PM   #1
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2016 Greyhawk Power Inverter

Hey Everyone, quick question:

We have a 2016 Greyhawk 29MV... When we bought it, the walk-through we got from the local dealership didn't really cover much outside of the basics, so the rest we have had to try to figure out.

We go to a lot of festivals with no hookups, so we use the generator a lot, and already have over 350 hours on it. My question has to do with the controls for the "power inverter" that is in the RV control panel by the tank and slide controls. What is the actual purpose for this inverter? We never have used it, and when we have turned it on, we really didn't notice anything different. Is this feature not necessary when hooked up to power or using the generator?

Thanks!
Dave
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Old 07-05-2016, 01:18 PM   #2
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You only need it when not using Geny or shore power and it only powers your front TV
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Old 07-05-2016, 01:28 PM   #3
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Oh, wow. Ok, thanks. A pretty straight forward use for that then.

Appreciate it! :-)

Dave
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Old 07-05-2016, 02:19 PM   #4
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The inverter as set up from Jayco does not power the front TV outlet when the MH is running. Search this forum if you are interested in overriding that safety feature (it prevents you from watching TV while you drive! You couldn't do this anyway with the 29MV)
Another use is to use a small coffeemaker to brew coffee before generator hours in the morning. I bought an 800 watt coffeemaker that will use Keurig K-cups. I found it by searching on Amazon.
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Old 07-06-2016, 10:21 AM   #5
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Originally Posted by dpchristie View Post
What is the actual purpose for this inverter? We never have used it, and when we have turned it on, we really didn't notice anything different. Is this feature not necessary when hooked up to power or using the generator?

Thanks!
Dave
The inverter's job is to take 12V DC battery power and invert it to 120V AC.

Push the button and leave it on.

About the only thing I check on the control panel is: is the light green or yellow and what's the voltage?

If you run the generator most of the time, you probably don't have to check either. The light should be green and the voltage at 13.1 V or higher.
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Old 07-06-2016, 04:37 PM   #6
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If you leave the inverter on all the time, it will draw power from the battery. When you are not connected to shore power or are not running the genny, this will run down the battery for no good reason. I only turn on the inverter when I'm using it. Your Greyhawk came with only one 12v house battery so you do not have much energy to spare. That's why I had two 6v golf cart batteries installed. Now I can use the 1000w inverter to make coffee in the morning when it is earlier than generators are permitted to run.
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Old 07-06-2016, 07:24 PM   #7
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I do a lot of Boondocking and a few festies myself. The inverter in my Greyhawk is a great tool as it powers the outlet from which the front TV is plugged into. I've run the TV as well as an Xbox from it for several hours without drawing too much power from it on one battery meaning I was still able to crank the generator for recharge.
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Old 07-06-2016, 09:25 PM   #8
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DumpStation- What is the wattage of your inverter? The newer Greyhawks have a 1000W inverter. Does this make a difference? Maybe I'm too paranoid about running my batteries down. I'll be happy if the inverter can be used for hours without discharging the batteries too much. I probably worry about this more than I should. I have two Trojen 105 batteries to power my inverter. Thanks for your input.
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Old 07-07-2016, 12:42 AM   #9
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DumpStation- What is the wattage of your inverter? The newer Greyhawks have a 1000W inverter. Does this make a difference? Maybe I'm too paranoid about running my batteries down. I'll be happy if the inverter can be used for hours without discharging the batteries too much. I probably worry about this more than I should. I have two Trojen 105 batteries to power my inverter. Thanks for your input.
My 2009 Greyhawk has an 850W inverter running off a single T31 Trojan 12V. I keep it plugged in for a week or so after each trip to desulfate in case I run it down a little low. The draw from an 850 or 1000W inverter is the same. With a 1000W inverter, your advantage is you can convert more DC power to AC, 250w more but that also means drawing more power from your batteries if you approach max wattage. With two 6 volt Trojans I wouldn't worry at all. They're designed to be true deep cycle batteries, meaning you can run them down to a least 50% repeatedly without fear of damaging them.
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Old 07-07-2016, 09:50 AM   #10
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I have two Trojen 105 batteries to power my inverter. Thanks for your input.
did you have to do any mods to get the two Trojan's to fit?

I haven't done anything but slide the single Exide out on my 2016 31FK but it sure looked to me like there wasn't going to be much room for two batteries in there...
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