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Electrician Talk Forum
Current Draw Of Domestic Undercounter Fridges
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<blockquote data-quote="Marvo" data-source="post: 312421" data-attributes="member: 20838"><p> This isn't possible. You can't work back from an annual energy consumption figure to a run current. Even if you assume it's plugged in 24/7 you don't know the running time because of the thermostatic control; you can't go from kWh to kW without knowing the exact hours. </p><p></p><p>The smallest generally available refrigeration compressor is 1/12hp. Looking at the easiest three makes to find on the internet the Embraco is 72watts, the Techumseh is 76w and the electrolux(ACC) is 70watts. Obviously if the compressor runs 25% of the time because of the thermostat then you get the 0.4kWh per day you mentioned above but your run current will be 0.3Amps and not the 0.073A you calculated.I would say the only certain methods of finding the run current is either by accurate measurement or the info plate on the appliance or in the manual.</p></blockquote><p></p>
[QUOTE="Marvo, post: 312421, member: 20838"] This isn't possible. You can't work back from an annual energy consumption figure to a run current. Even if you assume it's plugged in 24/7 you don't know the running time because of the thermostatic control; you can't go from kWh to kW without knowing the exact hours. The smallest generally available refrigeration compressor is 1/12hp. Looking at the easiest three makes to find on the internet the Embraco is 72watts, the Techumseh is 76w and the electrolux(ACC) is 70watts. Obviously if the compressor runs 25% of the time because of the thermostat then you get the 0.4kWh per day you mentioned above but your run current will be 0.3Amps and not the 0.073A you calculated.I would say the only certain methods of finding the run current is either by accurate measurement or the info plate on the appliance or in the manual. [/QUOTE]
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Current Draw Of Domestic Undercounter Fridges
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