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Old 10-08-2019, 05:51 PM   #1
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GE or Whirlpool Refrigerator on modified sine wave inverter?

I have narrowed the search to replace my Norcold 1200 refrigerator to:
GE French Door - 18.6 cu. ft. French Door Refrigerator in Black, Counter Depth Model # GWE19JGLBB H69.875 W32.75 door open 90 ̊ (in.) 42
Whirlpool side by side 21 cu. ft. Side by Side Refrigerator Model # WRS321SDHB
H66-5/8" W33-1/8" D33-5/8" Door Open 90 Degrees (In) 49.31

Does anybody know if either brand will run on a “modified sine wave inverter” for up to 5-6 hours with ruining the refrigerator?

Thanks, Karl
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Old 10-09-2019, 09:36 AM   #2
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Watching this thread with interest.

I have a several year old Whirlpool frig (forget the model number), and called their tech support to ask the same question. I got a verbal version of the 'deer in the headlights look' for a response.

Hope your luck is better.
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Old 10-09-2019, 10:13 AM   #3
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I installed the Whirlpool in my O4 Windsor with original MSW inverter and have not had any problems.
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Old 10-09-2019, 04:56 PM   #4
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My ge19jwss works fine on the MSW. Almost all new fridges have variable speed dc compressors and will work on a MSW with no issues. If you look at the compressor and it has a small transformer attached to the side it should work fine.
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Old 10-10-2019, 07:03 AM   #5
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Some refrigerators have an evaporator fan motor with an electronic circuit that doesn't like MSW and will burn out in short order. It's not a big deal if you change the fan motor, the replacements normally don't have that circuit.
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Old 10-10-2019, 07:15 AM   #6
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The Whirlpool refrigerator in my kitchen is an odd beast that left a bad taste for the brand - almost to the level that @busskipper has for Samsung.


I'd get the GE.
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Old 10-10-2019, 07:26 AM   #7
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Quote:
Originally Posted by spdracr39 View Post
My ge19jwss works fine on the MSW. Almost all new fridges have variable speed dc compressors and will work on a MSW with no issues. If you look at the compressor and it has a small transformer attached to the side it should work fine.


Hallelujah, thank u! Checked GE’s web site and found they confirm variable speed compressor: •.....Variable speed compressors and fans match capacity of refrigerator system to usage to provide more efficient run times.....
I am good to go!
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Old 10-10-2019, 07:32 AM   #8
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Quote:
Originally Posted by RustyTools View Post
Watching this thread with interest.

I have a several year old Whirlpool frig (forget the model number), and called their tech support to ask the same question. I got a verbal version of the 'deer in the headlights look' for a response.

Hope your luck is better.


Per OP’s reply: ...... Almost all new fridges have variable speed dc compressors and will work on a MSW with no issues. If you look at the compressor and it has a small transformer attached to the side it should work fine.[/QUOTE]


I checked GE’s web site and found they confirm variable speed compressor. ....... Variable speed compressors and fans match capacity of refrigerator system to usage to provide more efficient run times.....

You might check Whirlpool to see. I am going to give GE a try.
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Old 10-10-2019, 09:41 AM   #9
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Originally Posted by RustyTools View Post
Watching this thread with interest.

I have a several year old Whirlpool frig (forget the model number), and called their tech support to ask the same question. I got a verbal version of the 'deer in the headlights look' for a response.

Hope your luck is better.


Old Whirlpools (or other models) are questionable, but was told this by an appliance tech: ....In their quest to comply with increasingly onerous Energy Star requirements, almost all the appliance manufacturers are producing refrigerator models that use inverter compressors. Like it or not, inverter compressors are here to stay.....
So am told many new refrigerators should work with MSW inverters?
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