JUrban
Delaware
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Joined: 06/28/2004
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I replaced the Norcold 1200 with a KitchenAid two door and couldn't be happier. We needed a 2 door because the electrical distribution panel is under the refer, and DW would have had a problem reaching the upper shelves on a French Door. Our house 3000W pure sine wave inverter handles the load just fine, but when it is on, I also end up powering a lot of overhead I don't want or need when we boondock for weeks at a time. I want to put in a separate, dedicated inverter for the refrig. The power use on the KitchenAid is 6.7A max. Has anyone put in a separate inverter? What brand and size did you use? I'm looking at a Cotek SK 2000W. I don't need a charger, or a load switching one, just the basic inverter. Comments from real experience, please. I've gotten lots of OPINIONS, that aren't even worth looking at.
Thanks,
John
2008 Tiffin Allegro Bus 40' QSP
2006 Chevrolet Colorado Toad
BlueOx Aventa LX Tow Bar
SMI Air Force One toad brake
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Gdetrailer
PA
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Joined: 01/05/2007
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I am using a Tripplite PV1250 MSW inverter with my home fridge conversion. The Tripplite is a heavy duty inverter which uses a 60hz transformer (heavy, about 23 lbs) which is designed for induction motor loads.
CLICKY LINK FOR TRIPPLITE
This model also has a load sense control which is able to determine if there is a AC load or not and will turn the inverter on off with the AC load demand. This feature really helps with conserving battery power.
You might want to setup some sort of switch to switch between shore power and the inverter (which is what I did), no sense running the inverter when you have shore power available. Otherwise you may want to look at the models with built in charger/switch.
Your fridge however with the 6.7A 120V load is going to use a lot more battery than my home fridge which was rated at 1.1A at 120V. I am able to easily overnight with one pair of 6V GC batts.
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pianotuna
Regina, SK, Canada
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Joined: 12/18/2004
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Hi,
Cotek SK 2000 appears to be Chinese. I had a very bad experience with a Chinese inverter and got ripped off for $500.00. The Cotek looks pretty much identical to the one I had. So be careful!
Check with Mr. Wizard--he uses an inverter and residential fridge.
* This post was
edited 01/12/12 09:12pm by pianotuna *
Regards, Don
Kustom Koach Class C 28'5" 256 watts solar, 875 amp hours in two battery banks 12 volt batteries 2500 watt inverter.
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JUrban
Delaware
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Joined: 06/28/2004
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Great info. The fact that the Cotek's are Chinese, so hard to find, the company appears to be South African and that there doesn't appear to be much history on them was one of my concerns. The Tripp Lite's seem to be more widely sold and a US company to boot. I especially like the weight of their units as weight usually means better heat dissipation, and an overall more substantial unit. Our fridge is a 21 cu ft powered by 6 Lifeline batts. Duty cycle and use show me that my bank drops .1-.2v overnight running off the 3000W house inverter. We also have 2 135W solar panels. I did a search for Mr Wizard and came up empty. Any help?
Thanks
John
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pianotuna
Regina, SK, Canada
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Joined: 12/18/2004
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Hi John,
One of the failings of rvnet is you can't search on a nickname.
Try this thread and send Mr. Wizard a private message.
Mr. Wizard has a post in the thread
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