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09-21-2016, 03:08 PM
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#1
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Senior Member
Join Date: May 2013
Location: Long Island, NY
Posts: 323
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1000 watt Inverter and coffeemaker
I have a Xantrex XM 1000 (watt) inverter that came with the 2016 Greyhawk. I have tried using a 800 watt coffeemaker that uses Keurig K-cups. When I turn on the coffeemaker, the inverter turns off for a few seconds and then resets. I have two Trojan 105 golf cart batteries that power the inverter. Has anyone had any success using the 1000 watt Xantrex to run a small wattage (800 watts) coffeemaker?
I think the answer is to get a larger inverter -1800 watts at least. Xantrex makes one that will be an easy replacement. The new inverter remote will fit exactly where the original one is in the control center. All the wiring would be the same if the DC wires from the batteries are heavy enough. Any suggestions?
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2016 Greyhawk 29MV
Wherever you go, there you are!
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09-21-2016, 04:00 PM
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#2
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Senior Member
Join Date: Apr 2016
Location: Peachtree City
Posts: 1,129
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Are they 2 6 volt batteries 105Ah or 2 12v 105Ah batteries? Even though the coffee maker is 800watt it probable pulls more than your 1000w inverter can handle or you don't have juice in the batteries to handle the load. If you have a Watt-o-meter you can tell what the coffee maker peaks at. You can get one for less than $20.
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09-21-2016, 04:06 PM
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#3
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Senior Member
Join Date: Aug 2015
Location: Albany, OR
Posts: 692
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Quote:
Originally Posted by LI-Camper
I have a Xantrex XM 1000 (watt) inverter that came with the 2016 Greyhawk. I have tried using a 800 watt coffeemaker that uses Keurig K-cups. When I turn on the coffeemaker, the inverter turns off for a few seconds and then resets. I have two Trojan 105 golf cart batteries that power the inverter. Has anyone had any success using the 1000 watt Xantrex to run a small wattage (800 watts) coffeemaker?
I think the answer is to get a larger inverter -1800 watts at least. Xantrex makes one that will be an easy replacement. The new inverter remote will fit exactly where the original one is in the control center. All the wiring would be the same if the DC wires from the batteries are heavy enough. Any suggestions?
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You should verify that the issue is not excessive voltage drop to the inverter. If the inverter is far away from the batteries and/or the wires are too small, I could see that being a problem when you are drawing that much current. For example, to run the coffee maker, your inverter is going to draw roughly 70amps from your batteries.
So, check wiring (as well as tighten connections).
Measure the DC voltage to the converter as you load it down to see how much it drops.
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2015 Jayco 27RLS
2015 Ford F250 6.7PSD
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09-21-2016, 04:48 PM
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#4
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Senior Member
Join Date: Apr 2016
Location: Nanaimo
Posts: 455
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x2 on DanNJanice's advice.
A coffee maker is a straight resistive load and your inverter is rated for 1000W continuous so that part shouldn't be the problem. I checked quick and it cuts out on low voltage at 10.5V DC input - I would start as suggested on checking voltage drop at the input of the inverter.
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2016 Jayflight 26BHS Elite
2014 F150 4x4 Super Crew, Eco-Boost, Max Tow
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09-21-2016, 05:04 PM
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#5
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Senior Member
Join Date: Mar 2015
Location: State of Confusion
Posts: 5,004
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You might invest in a stove top coffee maker?
Murff
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Murff
2015 White Hawk 20MRB (It's last year)
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09-21-2016, 05:26 PM
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#6
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Senior Member
Join Date: Apr 2016
Location: Peachtree City
Posts: 1,129
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In my work van I also was looking into what it would take to make a cup of Kuerig coffee. I don't know the rated wattage of my Kuerig but it peaked at 1200-1300 watts for about 2 seconds and then leveled off to the 750-800 watt range. I also looked into a Xantrax inverter and even though the surge rating on the 1000 watt inverter covered this, Xantrex tech help said surge ratings are milliseconds not seconds. They said it may work but to expect a short inverter life. I suspect your issue is more voltage drop like the others have said which is why I was asking about your battery bank but I wouldn't rule out the surge either. I quickly realized the cost of a mobile Kuerig coffee cup was more than I was wanting to spend at the time.
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09-22-2016, 12:42 PM
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#7
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Senior Member
Join Date: May 2013
Location: Long Island, NY
Posts: 323
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Response from OP
The Trojan batteries are new and are 6 volt golf cart batteries. they were fully charged when i attempted to use the coffeemaker. I will check the wires from the batteries to the inverter. The length of the wires "should" be ok if Jayco did the installation correctly. I would think Jayco used wires less than 5 feet long. Thanks for the responses!
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2016 Greyhawk 29MV
Wherever you go, there you are!
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09-22-2016, 12:45 PM
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#8
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Senior Member
Join Date: May 2013
Location: Long Island, NY
Posts: 323
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Have any Greyhawk owners with the Xantrex XM1000 inverter had any experience trying to us a coffeemaker with this inverter?
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2016 Greyhawk 29MV
Wherever you go, there you are!
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09-22-2016, 12:46 PM
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#9
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 15,893
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Quote:
Originally Posted by LI-Camper
The length of the wires "should" be ok if Jayco did the installation correctly. I would think Jayco used wires less than 5 feet long. Thanks for the responses!
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But isn't the inverter only setup to run the TV. Greyhawks used to come with a 400 watt, but that is no longer made, thus the switch to 1,000.
Wire may be sized accordingly. Just sayin'.
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09-22-2016, 12:49 PM
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#10
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Senior Member
Join Date: May 2015
Location: Campbell Hall
Posts: 2,835
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I'm with Murff.
Heating water with battery power is a mis-application of resources!
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09-22-2016, 12:55 PM
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#11
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Senior Member
Join Date: Apr 2014
Location: Calgary
Posts: 885
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Is your refrigerator or anything else running off the inverter at the same time?
My guess is voltage drop as well. Check the gauge of the wires as well as the length and you should be able to calculate the theoretical voltage drop.
Voltage Drop Calculator
Anyone know if the T-105 can handle 70+ amps without dropping voltage too much? The technical specs do have a 75amp rating but I suspect voltage drops a fair bit and then additional voltage losses from the wiring.
Cheers
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2014 Jayco Swift 281BHS, 300W Solar!
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09-22-2016, 12:57 PM
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#12
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Senior Member
Join Date: Apr 2014
Location: Calgary
Posts: 885
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Quote:
Originally Posted by mike837go
I'm with Murff.
Heating water with battery power is a mis-application of resources!
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I guess running our crock pot off the solar panels is a no no too then.
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2014 Jayco Swift 281BHS, 300W Solar!
2015 F250 XLT 4x4 Crew Cab, Short box, 6.2 gas
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09-22-2016, 01:13 PM
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#13
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Senior Member
Join Date: May 2015
Location: Campbell Hall
Posts: 2,835
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Quote:
Originally Posted by Subaru297
I guess running our crock pot off the solar panels is a no no too then.
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If you've got enough solar panels (and sunshine) to replenish 400W for 3-4 hours, then go for it!
Not us. Too many trees. Lovely trees. Shady spaces to relax and listen to the water.
For me, because I am still not used to so many 'little draws', I want to preserve as many Ah as possible. I much prefer to lean on the up to 60# of propane sitting right next to the battery.
On topic: I had installed a 1,500W inverter in my previous trailer. 2' of #6 wire to feed it. You could microwave a cup of coffee from room temp to drinkable or 2 hot dogs from fridge to sizzling. Then the water pump wouldn't work properly.
No inverter in the new trailer.
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TT 2015 19RD "TheJayco"
TV 2003 F-350 "Montblanc" - Housebroken chore truck
Sitting in The Cheap Seats.
And proud of it!
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09-22-2016, 02:56 PM
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#14
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Senior Member
Join Date: Jun 2016
Location: Denver
Posts: 4,195
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Quote:
Originally Posted by Subaru297
Is your refrigerator or anything else running off the inverter at the same time?
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On our Greyhawk, the inverter only powers the TV outlet. My own thought is that the 800 watt rating is nominal. And there's a surge.
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09-22-2016, 05:11 PM
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#15
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Site Team
Join Date: Nov 2012
Location: Clearwater, FL area
Posts: 5,196
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- What is your battery(s) voltage before you turn on your coffee pot? Should be 12.6 or better. The closer to 12.0VDC your battery is the less effort it takes to hit the 10.5VDC cutoff voltage of your inverter.
- How old are your batteries? They may hold a charge, but your original 220Ah battery rating may only be 120Ah now.
- Is the water level topped off in the batteries?
- How many feet from your battery is your inverter? Recommended is around 5' max.
- What size battery cables connect your batteries DIRECTLY to your inverters (+) & (-) connections. (Frame ground should not be used for an inverters ground)
- Are all your inverter and battery connectors clean and tight?
- Are your cable ends (connectors) tight? Not corroded!
I would venture to say that you either have too much distance between your inverter and your battery or your cables are not large enough for the task.
I have 2 Trojan T145 batteries (6volt, 260Ah), the 1/0AWG cables between the inverter and batteries are 5' and it has never tripped the inverter's low voltage disconnect. I would test the voltage drop now but, they are still at 13.1 VDC and it would not show a normal voltage drop... Got to love SOLAR
Don
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10-24-2016, 09:39 PM
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#16
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Member
Join Date: Oct 2015
Location: Rome
Posts: 33
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Im fairly certain the coffee maker isn't running off of the inverter. We have a 2015 greyhawk and I believe the inverter is only for the TV, so if the inverter is tripping, there may be something else wrong. Good Luck
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10-25-2016, 10:28 PM
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#17
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Junior Member
Join Date: Feb 2016
Location: Stanwood
Posts: 19
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I also have a 2016 29MV. How did you install 2 golf cart batteries? The battery tray surely won't accommodate them.
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10-26-2016, 06:02 AM
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#18
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Senior Member
Join Date: Sep 2010
Location: New York
Posts: 2,210
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I have a 2k PSW Inverter with 2 x Interstate 6V GC batteries. AH ratings are similar to the T-105's. I once tried to run my coffee maker prior to AM generator hours and while it did it, the batteries were hit hard. I got about half the pot going and decided it was better to forego and use the press instead.
So, to answer your question. Yes a 2k inverter can run a coffee pot, but I would not do it regularly or even that often. There are better more efficient options out there for certain applications.
My main use of the inverter is for TV's an occasional blender run and charging our electronics, like phones.
2/0 wire is what I used on a 24 inch run.
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10-26-2016, 03:09 PM
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#19
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Senior Member
Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 10,714
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I have a 1000 watt inverter that I use in emergencies. (once in 8 years so far) With 1 ga wire it will run my K-pod coffee maker..
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Seann
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 900watts of solar, Lithium batteries (400amp hour), 2000 watt (4000 surge) whole house inverter.
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