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Old 06-16-2013, 02:20 PM   #1
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Residential Refrigerator with Inverter

This post is from a non-electronically trained lady so please answer in non-technically format.
Owner of 2013 Cedar Creek, 36 MDX
QUESTIONS:
1. Does the refrigerator have its own inverter?
2. If so,what is the size of the inverter?
3. Regarding Shore Power:
Does the refrig invertor continue to run OR does invertor disconnect itself?
4. Regarding Dry Camping:
Efficiency of cooling,freezing, ice making?
Length of time in hours/days will refrig operate
until the generator is required to recharge the batteries?
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Old 06-16-2013, 02:49 PM   #2
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Doesn't your refrigerator run on propane when dry camping?
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Old 06-16-2013, 02:56 PM   #3
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trudinator,
The OP is asking about a 'residential' refrigerator which, I'm sure, doesn't run on propane.

Gaasb,
sorry that I can't help you with your questions.
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Old 06-16-2013, 02:57 PM   #4
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Thank you for your reply, however, the Whirlpool residential refrigerator is a new concept that Forest River is introducing in place of propane refrigerators. I'm trying to find out how they operate and how people like them.
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Old 06-16-2013, 03:04 PM   #5
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Duh...my bad.
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Old 06-16-2013, 07:09 PM   #6
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Residential Refrigerator with Inverter

Trudinator, thank you for your response to my post. I have faith that someone must have at least some of the answers. There must be some FROG members and guests to this forum that have a residential refrigerator with inverter in their RVs. Looking forward to understanding the mechanism and acceptance to this new feature in Forest River RVs.
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Old 06-16-2013, 07:23 PM   #7
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My Cardinal has a side by side residential refer and it has it's own inverter with a transfer switch. When on shore power the transfer switch will switch to shore power. When you disconnect from shore power it switches back to the inverter. Mine is a 1000 watt inverter. If the food and refer are already cold then mine will last for 36 hours on battery. When hooked up to my truck then the trucks alternator keeps the battery fully charged and the refer does not drain the battery. I just returned from a 3000 mile triop and neve had a single problem with the refer. Nice to not have to worry about driving with the gas on. I also turn the Ice maker off when I'm traveling so I don't have to leave the water pump on to feed the ice maker. The ice maker is usuall full when I break camlp so this is probably not a problem but I do it anyway. Hope this helps.
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Old 06-16-2013, 08:23 PM   #8
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I have had an inverter/charger (Heart Freedom 1000) on my boat for about 18 years. This unit senses inbound 110 and unlatches from the batteries after about 20 seconds, latches 110 from the inbound to the connected circuit and becomes a 3 stage charger. When disconnected from 110 it reverses this step but there is no lag latching in this direction. I have not lost digital clock time so it can't drop many cycles.
The frig on the boat is 4 cu. ft. under-counter so it has an external fan on the coils as well as a light inside and of course the compressor. What I have measured with all that running is 90 watts. 90 watts with the efficiency loss of an inverter, about 10% let's us round to 100 watts and 1amp*1volt =1watt so it takes about 100watts/12volts=8amps Your deep cycle battery(ies) probably a group 24 has about 520 minutes of continuous discharge at that rate. The good news is that the light is only on when the door is open and the compressor is only running about 1/3 of the time so one battery in good charge will probably get you through 24 hours and may not go past the dreaded 50% discharge point.
Frig doesn't care where the energy is coming from so it is as efficient either way.
The previous information is warranted to be worth every bit you paid.
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Old 06-16-2013, 08:43 PM   #9
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Quote:
Originally Posted by Gaasb View Post
This post is from a non-electronically trained lady so please answer in non-technically format.
Owner of 2013 Cedar Creek, 36 MDX
QUESTIONS:
1. Does the refrigerator have its own inverter?
2. If so,what is the size of the inverter?
3. Regarding Shore Power:
Does the refrig invertor continue to run OR does invertor disconnect itself?
4. Regarding Dry Camping:
Efficiency of cooling,freezing, ice making?
Length of time in hours/days will refrig operate
until the generator is required to recharge the batteries?
I realize that most manuals we get with ourRVs are inadequate in a lot of areas, but did you not get any manual for your fridge?

Did you get any information about your fridge from your dealer ?

Absent any of the above, you probably need to contact either FR or the fridge manufacturer.
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Old 06-16-2013, 09:30 PM   #10
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Quote:
Originally Posted by B47 View Post
I realize that most manuals we get with ourRVs are inadequate in a lot of areas, but did you not get any manual for your fridge?

Did you get any information about your fridge from your dealer ?

Absent any of the above, you probably need to contact either FR or the fridge manufacturer.
I think maybe all of her questions were outside of the reefer manual scope. It wants 120 VAC regardless of source. Questions deal with RV power supplies and expected duration.
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