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3_tons's avatar
3_tons
Explorer III
Jul 26, 2018

High amps at Air Conditioner

I have a Coleman Mach 1 P.S. 11k btu rooftop air conditioner (on a truck camper) that has had little use and works well, but seems to draw a high amount of amps per Colemans spec sheet.

Coleman specs suggest 9.0 amps total @95df ambient (including blower), but using a RMS Kill-a-watt meter, I measure a near consistent 11.6 amps at about 86df ambient, and my genny when in Eco mode struggles during compressor starts... Coils are clean..

Any ideas are well appreciated, thanks

3 tons.

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