2013 Audi A6 AC unit

Tiny
LUKASC
  • MEMBER
  • 2013 AUDI A6
  • 10,000 MILES
How many joules does it take to run my cars AC compressor? I have been trying to figure this out for some time now, since I am trying to customize my AC unit I'm some unique ways, but no one can tell me!
Thursday, August 8th, 2013 AT 12:50 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
How many what? That's not a term we use in AC repair.
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Thursday, August 8th, 2013 AT 1:12 PM
Tiny
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Joules the amount of energy produced by motion or friction. I don't know exactly how a mechanic or auto expert such as yourself would measure this. I am trying to figure out how many units of energy, wether volts or watts or however you would measure it, it takes a cars engine's belt, to run it's AC compressor.
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Thursday, August 8th, 2013 AT 1:24 PM
Tiny
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AC consumes 2 different kinds of energy. The compressor is a belt driven pump with an electromagnetic clutch to engage it. It consumes electrical current when it's engaged and also an engine load from the resistance of the pump. It also uses an electrical blower fan and in some cases an electrical condenser cooling fan. You can measure the current draw from the electrical components but you would need a dynomometer to measure the horsepower reduction when the compressor engages.
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Thursday, August 8th, 2013 AT 1:31 PM

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