Auto air-conditioning and recirculate. How does it decide?

Eug · 07-28-2004, 01:27 PM

Sometimes when I turn on my automatic climate control it sets it on recirculate, and some times it doesn't. How does it decide?

mikepaul · 07-28-2004, 02:40 PM

The bigger the difference between the setpoint and the outside temp, the more it wants to cool. Recirculate will recool already cooled air, so it goes for that when needed. If it only needs to knock off a couple of degrees, it won't bother with recirculate.

At least, my use tells me that...

07-28-2004, 01:27 PM	#1
Eug Swollen Member Join Date: Jan 2004 Location: Earth (for now) Posts: 285 My Car: 2004 Prius Package: B Nominated 0 Times in 0 Posts TOTM Awards: 0 Friends: 0	Auto air-conditioning and recirculate. How does it decide? Sometimes when I turn on my automatic climate control it sets it on recirculate, and some times it doesn't. How does it decide?

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07-28-2004, 02:40 PM	#2
mikepaul Senior Member Join Date: Dec 2003 Location: Columbia, SC Posts: 1,675 My Car: 2004 Prius Package: #9 Nominated 0 Times in 0 Posts TOTM Awards: 0 Friends: 0	The bigger the difference between the setpoint and the outside temp, the more it wants to cool. Recirculate will recool already cooled air, so it goes for that when needed. If it only needs to knock off a couple of degrees, it won't bother with recirculate. At least, my use tells me that...