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Old 07-19-2014, 10:54 PM   #333 (permalink)
TheSGC
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Join Date: Nov 2008
Location: Massachusetts, USA
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I got started on the A/C today. I got the treadmill motor bolted in and purchased a new belt to use with it.

I was able to do some testing and I found the best setup was using 36v, pulled 20A from the lead acid test pack I used. The A/C blew really nice cold air, so now I need to build a small motor controller to use my 144v battery pack to control it. I also need to figure out how to get the car's ECU to activate the clutch for the A/C compressor. I had to put a jumper in the relay position to get the clutch engaged for my test.

Tomorrow I am going to run the A/C for 30-45 minutes to see how the little treadmill motor holds up. I did it for 10 minutes today and it barely got warm, so I have hope that I won't burn it out.
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mechman600 (07-19-2014), Ryland (07-20-2014)