Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

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-   Scion FR-S / Toyota 86 GT86 General Forum (https://www.ft86club.com/forums/forumdisplay.php?f=2)
-   -   Default - Recirculated Air (https://www.ft86club.com/forums/showthread.php?t=70673)

Chad86 07-23-2014 06:37 PM
Default - Recirculated Air
 
Is the reason why the HVAC controls default to recirculated air due to the hot air coming into the cabin from the engine all the time?

Kaotic Lazagna 07-24-2014 01:54 AM
Anyone know how to disable the recirculated default setting?

Weasel Soup 07-24-2014 02:15 AM
<---raises hand...

I wanna know why and how too.

InspGadgt 07-24-2014 03:42 AM
Recirculated air is the default for max ac. It recirculates the air in the cabin to cool it down faster. So it is cooling air that has already been cooled. The only air coming in from the engine bay would be from the noise generator.

Target70 07-24-2014 04:13 AM
air doesn't travel through the noise generator, the generator body is a sealed diaphragm. If it was open then the engine would be sucking in un-metered air.

and I could be crazy, but I don't remember my a/c turning on recirculation unless I press the button. It will turn it off though if you switch the vent zone to defrost/windshield

VacantSky 07-24-2014 05:20 AM
Quote:
Originally Posted by Target70 (Post 1862875)
air doesn't travel through the noise generator, the generator body is a sealed diaphragm. If it was open then the engine would be sucking in un-metered air.

and I could be crazy, but I don't remember my a/c turning on recirculation unless I press the button. It will turn it off though if you switch the vent zone to defrost/windshield

They're more than likely talking about the auto-climate control.


Like previously stated, for max AC option the car usually will recirculate the in cabin air as it already has been cooled. Therefore it will be cooling colder than ambiant air making the cooling effect quicker

Target70 07-24-2014 07:31 AM
Quote:
Originally Posted by VacantSky (Post 1862905)
They're more than likely talking about the auto-climate control.


Like previously stated, for max AC option the car usually will recirculate the in cabin air as it already has been cooled. Therefore it will be cooling colder than ambiant air making the cooling effect quicker
auto-climate control, is that the premium a/c option or dual climate or something? I just have the base a/c. I'll have to test it out on my trip to work tomorrow.

ntron1 07-24-2014 07:40 AM
Quote:
Originally Posted by Chad86 (Post 1862059)
Is the reason why the HVAC controls default to recirculated air due to the hot air coming into the cabin from the engine all the time?
Default recirc improves the grams/mile emissions rating resulting in a higher mpg rating which helps their CAFE (Corporate Average Fuel Economy). The 86 is pretty well sealed in the engine bay, thus the hot air, so recirc in this case is a good thing.

VacantSky 07-24-2014 08:45 AM
Quote:
Originally Posted by Target70 (Post 1862930)
auto-climate control, is that the premium a/c option or dual climate or something? I just have the base a/c. I'll have to test it out on my trip to work tomorrow.


Dual climate is what I meant yes, half asleep at work and lost for proper words!


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