Keffer inc Posted April 13, 2015 Share Posted April 13, 2015 I know I should know this anyways, but which setting re-circulates inside air from the AC? Max AC brings in fresh air from outside right? Quote Link to comment Share on other sites More sharing options...
RedBullDog Posted April 13, 2015 Share Posted April 13, 2015 I think its the other way around, Max is recirculated air and normal is outside air, unless Mack is different from IH. 1 Quote Link to comment Share on other sites More sharing options...
Freightrain Posted April 13, 2015 Share Posted April 13, 2015 I would assume MAX recirculates. That is why it cools it faster then bringing fresh warm air in. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment Share on other sites More sharing options...
j_martell Posted April 13, 2015 Share Posted April 13, 2015 Yes. Max ac is recirc air. Normal ac is fresh air 1 Quote Lack of planning on your part does not constitute an emergency on my part.... Link to comment Share on other sites More sharing options...
Keffer inc Posted April 13, 2015 Author Share Posted April 13, 2015 Ok, thanks for correcting me. Quote Link to comment Share on other sites More sharing options...
Gmerrill0516 Posted April 13, 2015 Share Posted April 13, 2015 Yup, max is recirculating hence it runs the same air through the evaporator coil repeatedly removing heat and humidity. Some vehicles have a separate recirculate button that in some cases isn't overridden when the defroster is put on...some people ride around all fogged up all the way around and cannot figure out why...duh. 1 Quote Link to comment Share on other sites More sharing options...
Green Dash Posted April 14, 2015 Share Posted April 14, 2015 Public Service Announcement: Switch from max/ recirculate to fresh as soon as the vehicle cools off! I think most people believe Max is just another fan setting. Quote Jim Link to comment Share on other sites More sharing options...
Quickfarms Posted April 15, 2015 Share Posted April 15, 2015 In my truck Max requires gloves Quote Link to comment Share on other sites More sharing options...
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