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Re: Why do vents default to outside air?
In article <jeff-EC6298.00511822092004@news.east.cox.net>, Jeff
<jeff@invalid.net> wrote: > Just wondering--whenever I use the AC, my Accord keeps defaulting to > outside air (as do most newer vehicles, I've noticed). I drive mostly > in traffic and don't like to breathe exhaust fumes filling the car, so > I'm continually resetting it to recirc. But I'm curious as to why > outside air is the default setting. (?) > > 2000 Accord v6 sedan > > Jeff I don't believe that it is suppose to work that way. It does NOT work that way on my 1999 Honda Accord. You either have something wrong with your system or you are not setting the controls correctly. It's my guess that you don't bother turning on the air conditioner after starting your vehicle. Try this experiment for a week: After you start your Accord, turn the heat control to the max. setting. Push the Recir button. It does not matter which vent button you press. I almost forgot to tell you to press the AC button. After you do this experiment for a week, repost and let us know the results. I usually leave my air conditioner set this way all of the time during the summer months. -- NEWSGROUP SUBSCRIBERS MOTTO We respect those subscribers that ask for advice or provide advice. We do NOT respect the subscribers that enjoy criticizing people. |
Re: Why do vents default to outside air?
In article <jeff-EC6298.00511822092004@news.east.cox.net>, Jeff
<jeff@invalid.net> wrote: > Just wondering--whenever I use the AC, my Accord keeps defaulting to > outside air (as do most newer vehicles, I've noticed). I drive mostly > in traffic and don't like to breathe exhaust fumes filling the car, so > I'm continually resetting it to recirc. But I'm curious as to why > outside air is the default setting. (?) > > 2000 Accord v6 sedan > > Jeff I don't believe that it is suppose to work that way. It does NOT work that way on my 1999 Honda Accord. You either have something wrong with your system or you are not setting the controls correctly. It's my guess that you don't bother turning on the air conditioner after starting your vehicle. Try this experiment for a week: After you start your Accord, turn the heat control to the max. setting. Push the Recir button. It does not matter which vent button you press. I almost forgot to tell you to press the AC button. After you do this experiment for a week, repost and let us know the results. I usually leave my air conditioner set this way all of the time during the summer months. -- NEWSGROUP SUBSCRIBERS MOTTO We respect those subscribers that ask for advice or provide advice. We do NOT respect the subscribers that enjoy criticizing people. |
Re: Why do vents default to outside air?
MAT wrote: > > Bah, this is still unclear to me with no concensus on the best method. It > is agreed that opening/cracking the windows when first driving will evacuate > the heated air, but afterwards there are 2 camps. > > 1. Start in recirc and then switch to fresh after temp stabilization. > 2. Start in fresh and then switch to recirc. > > I think 2 is more intuitive and that's what I do! Disregarding for a the moment the fact that the specific heat capacity of air depends on humidity, I would say common sense tells us that for most efficient cooling, you want the coolest possible air entering the evaporator. So, if your car has been sitting in the sun, start with "fresh" until the inside air is at the same temperature as the outside air. Then switch to "recirc" until it gets comfortably cool inside. From this point on, keeping it in "recirc" will give you the best fuel economy, but unless it is hot enough that the A/C can't keep up, putting it in "fresh" is an option after a large refried bean lunch. |
Re: Why do vents default to outside air?
MAT wrote: > > Bah, this is still unclear to me with no concensus on the best method. It > is agreed that opening/cracking the windows when first driving will evacuate > the heated air, but afterwards there are 2 camps. > > 1. Start in recirc and then switch to fresh after temp stabilization. > 2. Start in fresh and then switch to recirc. > > I think 2 is more intuitive and that's what I do! Disregarding for a the moment the fact that the specific heat capacity of air depends on humidity, I would say common sense tells us that for most efficient cooling, you want the coolest possible air entering the evaporator. So, if your car has been sitting in the sun, start with "fresh" until the inside air is at the same temperature as the outside air. Then switch to "recirc" until it gets comfortably cool inside. From this point on, keeping it in "recirc" will give you the best fuel economy, but unless it is hot enough that the A/C can't keep up, putting it in "fresh" is an option after a large refried bean lunch. |
Re: Why do vents default to outside air?
In article <jason-2309041251170001@pm4-broad-32.snlo.dialup.fix.net>,
jason@nospam.com says... > In article <jeff-EC6298.00511822092004@news.east.cox.net>, Jeff > <jeff@invalid.net> wrote: > > > Just wondering--whenever I use the AC, my Accord keeps defaulting to > > outside air (as do most newer vehicles, I've noticed). I drive mostly > > in traffic and don't like to breathe exhaust fumes filling the car, so > > I'm continually resetting it to recirc. But I'm curious as to why > > outside air is the default setting. (?) > > > > 2000 Accord v6 sedan > > > > Jeff > > I don't believe that it is suppose to work that way. It does NOT work that > way on my 1999 Honda Accord. You either have something wrong with your > system or you are not setting the controls correctly. It's my guess that > you don't bother turning on the air conditioner after starting your > vehicle. Try this experiment for a week: > After you start your Accord, turn the heat control to the max. setting. > Push the Recir button. It does not matter which vent button you press. I > almost forgot to tell you to press the AC button. > After you do this experiment for a week, repost and let us know the results. > > I usually leave my air conditioner set this way all of the time during the > summer months. > > It tells in my 2000 Accord Owners manual how to program it to work either way. Randy |
Re: Why do vents default to outside air?
In article <jason-2309041251170001@pm4-broad-32.snlo.dialup.fix.net>,
jason@nospam.com says... > In article <jeff-EC6298.00511822092004@news.east.cox.net>, Jeff > <jeff@invalid.net> wrote: > > > Just wondering--whenever I use the AC, my Accord keeps defaulting to > > outside air (as do most newer vehicles, I've noticed). I drive mostly > > in traffic and don't like to breathe exhaust fumes filling the car, so > > I'm continually resetting it to recirc. But I'm curious as to why > > outside air is the default setting. (?) > > > > 2000 Accord v6 sedan > > > > Jeff > > I don't believe that it is suppose to work that way. It does NOT work that > way on my 1999 Honda Accord. You either have something wrong with your > system or you are not setting the controls correctly. It's my guess that > you don't bother turning on the air conditioner after starting your > vehicle. Try this experiment for a week: > After you start your Accord, turn the heat control to the max. setting. > Push the Recir button. It does not matter which vent button you press. I > almost forgot to tell you to press the AC button. > After you do this experiment for a week, repost and let us know the results. > > I usually leave my air conditioner set this way all of the time during the > summer months. > > It tells in my 2000 Accord Owners manual how to program it to work either way. Randy |
Re: Why do vents default to outside air?
On 9/23/2004 10:52 AM Elmo P. Shagnasty spake these words of knowledge:
> In article <BD784BA3.9E7B9%e52.meyer0SPAM@ieee.org>, > "E. Meyer" <e52.meyer0SPAM@ieee.org> wrote: > >> > 1. Start in recirc and then switch to fresh after temp stabilization. >> > 2. Start in fresh and then switch to recirc. >> > >> > I think 2 is more intuitive and that's what I do! >> > >> > >> >> I don't see why there should be a "camp". Get out your thermometer and a >> stop watch and try it both ways. >> >> I would be willing to bet that number one will win, and is, in fact, the >> recommended procedure in every owner's manual I have seen in the past 15 >> years or more. > > It is not the recommended procedure in any owner's manual I've seen in > the last 15 years, and I will take your bet. You don't read much, apparently. Or you have misread what was said above. Look again. RFT!!! Dave Kelsen -- I just got slapped with my seventh sexual harassment suit this year. Man, I tell ya, the broads in my office -- great racks, no sense of humor. |
Re: Why do vents default to outside air?
On 9/23/2004 10:52 AM Elmo P. Shagnasty spake these words of knowledge:
> In article <BD784BA3.9E7B9%e52.meyer0SPAM@ieee.org>, > "E. Meyer" <e52.meyer0SPAM@ieee.org> wrote: > >> > 1. Start in recirc and then switch to fresh after temp stabilization. >> > 2. Start in fresh and then switch to recirc. >> > >> > I think 2 is more intuitive and that's what I do! >> > >> > >> >> I don't see why there should be a "camp". Get out your thermometer and a >> stop watch and try it both ways. >> >> I would be willing to bet that number one will win, and is, in fact, the >> recommended procedure in every owner's manual I have seen in the past 15 >> years or more. > > It is not the recommended procedure in any owner's manual I've seen in > the last 15 years, and I will take your bet. You don't read much, apparently. Or you have misread what was said above. Look again. RFT!!! Dave Kelsen -- I just got slapped with my seventh sexual harassment suit this year. Man, I tell ya, the broads in my office -- great racks, no sense of humor. |
Re: Why do vents default to outside air?
On 9/24/04 12:12 AM, in article 4153AD23.1833E5FF@junkmail.com, "Randolph"
<trash@junkmail.com> wrote: > > MAT wrote: >> >> Bah, this is still unclear to me with no concensus on the best method. It >> is agreed that opening/cracking the windows when first driving will evacuate >> the heated air, but afterwards there are 2 camps. >> >> 1. Start in recirc and then switch to fresh after temp stabilization. >> 2. Start in fresh and then switch to recirc. >> >> I think 2 is more intuitive and that's what I do! > > Disregarding for a the moment the fact that the specific heat capacity > of air depends on humidity, I would say common sense tells us that for > most efficient cooling, you want the coolest possible air entering the > evaporator. .... and it takes about 15 seconds to completely replace the hot air near the recirc inlet (which by convection is already the coolest air in the car) with chilled air from the AC outlets being sucked down to it. > So, if your car has been sitting in the sun, start with > "fresh" until the inside air is at the same temperature as the outside > air. Then switch to "recirc" until it gets comfortably cool inside. From > this point on, keeping it in "recirc" will give you the best fuel > economy, Say what? It takes less gas to have the AC in recirc mode vs. fresh air mode? I'd like to see the data that supports this assertion. > but unless it is hot enough that the A/C can't keep up, putting > it in "fresh" is an option after a large refried bean lunch. |
Re: Why do vents default to outside air?
On 9/24/04 12:12 AM, in article 4153AD23.1833E5FF@junkmail.com, "Randolph"
<trash@junkmail.com> wrote: > > MAT wrote: >> >> Bah, this is still unclear to me with no concensus on the best method. It >> is agreed that opening/cracking the windows when first driving will evacuate >> the heated air, but afterwards there are 2 camps. >> >> 1. Start in recirc and then switch to fresh after temp stabilization. >> 2. Start in fresh and then switch to recirc. >> >> I think 2 is more intuitive and that's what I do! > > Disregarding for a the moment the fact that the specific heat capacity > of air depends on humidity, I would say common sense tells us that for > most efficient cooling, you want the coolest possible air entering the > evaporator. .... and it takes about 15 seconds to completely replace the hot air near the recirc inlet (which by convection is already the coolest air in the car) with chilled air from the AC outlets being sucked down to it. > So, if your car has been sitting in the sun, start with > "fresh" until the inside air is at the same temperature as the outside > air. Then switch to "recirc" until it gets comfortably cool inside. From > this point on, keeping it in "recirc" will give you the best fuel > economy, Say what? It takes less gas to have the AC in recirc mode vs. fresh air mode? I'd like to see the data that supports this assertion. > but unless it is hot enough that the A/C can't keep up, putting > it in "fresh" is an option after a large refried bean lunch. |
Re: Why do vents default to outside air?
On 9/24/04 6:57 AM, in article
zYT4d.54592$uN5.18482@tornado.tampabay.rr.com, "Dave Kelsen" <invalid@invalid.invalid> wrote: > On 9/23/2004 10:52 AM Elmo P. Shagnasty spake these words of knowledge: > >> In article <BD784BA3.9E7B9%e52.meyer0SPAM@ieee.org>, >> "E. Meyer" <e52.meyer0SPAM@ieee.org> wrote: >> >>>> 1. Start in recirc and then switch to fresh after temp stabilization. >>>> 2. Start in fresh and then switch to recirc. >>>> >>>> I think 2 is more intuitive and that's what I do! >>>> >>>> >>> >>> I don't see why there should be a "camp". Get out your thermometer and a >>> stop watch and try it both ways. >>> >>> I would be willing to bet that number one will win, and is, in fact, the >>> recommended procedure in every owner's manual I have seen in the past 15 >>> years or more. >> >> It is not the recommended procedure in any owner's manual I've seen in >> the last 15 years, and I will take your bet. > > You don't read much, apparently. Or you have misread what was said > above. Look again. > > > RFT!!! > Dave Kelsen What does "RFT!!!" mean? Well, I double checked the manuals for the 15 years of cars my immediate family currently uses. The '91 240SX, '96 I30, '96 Odyssey, '97 I30t, '98 Maxima, and '02 Pathfinder all say what I said they say. The '00 TL manual doesn't address it. That book says "The system automatically selects the proper mix of conditioned and/or heated air that will, as quickly as possible, raise or lower the interior temperature from its current level to the set temperature." In practice, that car always turns on recirc mode when it first engages on a hot day. So, pal - which books are you reading? I don't doubt that there will be differences from one car's manual to another, but I didn't misread anything. Another interesting side-light - the mid-'90s Nissans with automatic systems (the two I30s) ignore the recirc button when they are in automatic mode and you select a temperature at least 10-15 degrees below ambient (which is most of the time here in Texas). They go into recirc and you can't switch it off. The light goes on and off when you push the button, but nothing changes. |
Re: Why do vents default to outside air?
On 9/24/04 6:57 AM, in article
zYT4d.54592$uN5.18482@tornado.tampabay.rr.com, "Dave Kelsen" <invalid@invalid.invalid> wrote: > On 9/23/2004 10:52 AM Elmo P. Shagnasty spake these words of knowledge: > >> In article <BD784BA3.9E7B9%e52.meyer0SPAM@ieee.org>, >> "E. Meyer" <e52.meyer0SPAM@ieee.org> wrote: >> >>>> 1. Start in recirc and then switch to fresh after temp stabilization. >>>> 2. Start in fresh and then switch to recirc. >>>> >>>> I think 2 is more intuitive and that's what I do! >>>> >>>> >>> >>> I don't see why there should be a "camp". Get out your thermometer and a >>> stop watch and try it both ways. >>> >>> I would be willing to bet that number one will win, and is, in fact, the >>> recommended procedure in every owner's manual I have seen in the past 15 >>> years or more. >> >> It is not the recommended procedure in any owner's manual I've seen in >> the last 15 years, and I will take your bet. > > You don't read much, apparently. Or you have misread what was said > above. Look again. > > > RFT!!! > Dave Kelsen What does "RFT!!!" mean? Well, I double checked the manuals for the 15 years of cars my immediate family currently uses. The '91 240SX, '96 I30, '96 Odyssey, '97 I30t, '98 Maxima, and '02 Pathfinder all say what I said they say. The '00 TL manual doesn't address it. That book says "The system automatically selects the proper mix of conditioned and/or heated air that will, as quickly as possible, raise or lower the interior temperature from its current level to the set temperature." In practice, that car always turns on recirc mode when it first engages on a hot day. So, pal - which books are you reading? I don't doubt that there will be differences from one car's manual to another, but I didn't misread anything. Another interesting side-light - the mid-'90s Nissans with automatic systems (the two I30s) ignore the recirc button when they are in automatic mode and you select a temperature at least 10-15 degrees below ambient (which is most of the time here in Texas). They go into recirc and you can't switch it off. The light goes on and off when you push the button, but nothing changes. |
Re: Why do vents default to outside air?
On 9/24/2004 9:26 AM E. Meyer spake these words of knowledge:
> On 9/24/04 6:57 AM, in article > zYT4d.54592$uN5.18482@tornado.tampabay.rr.com, "Dave Kelsen" > <invalid@invalid.invalid> wrote: > >> On 9/23/2004 10:52 AM Elmo P. Shagnasty spake these words of knowledge: >> >>> In article <BD784BA3.9E7B9%e52.meyer0SPAM@ieee.org>, >>> "E. Meyer" <e52.meyer0SPAM@ieee.org> wrote: >>> >>>>> 1. Start in recirc and then switch to fresh after temp stabilization. >>>>> 2. Start in fresh and then switch to recirc. >>>>> >>>>> I think 2 is more intuitive and that's what I do! >>>>> >>>>> >>>> >>>> I don't see why there should be a "camp". Get out your thermometer and a >>>> stop watch and try it both ways. >>>> >>>> I would be willing to bet that number one will win, and is, in fact, the >>>> recommended procedure in every owner's manual I have seen in the past 15 >>>> years or more. >>> >>> It is not the recommended procedure in any owner's manual I've seen in >>> the last 15 years, and I will take your bet. >> >> You don't read much, apparently. Or you have misread what was said >> above. Look again. >> >> >> RFT!!! >> Dave Kelsen > > > What does "RFT!!!" mean? It means "Roll Tide" (the teams of the athletic department of the University of Alabama). > Well, I double checked the manuals for the 15 years of cars my immediate > family currently uses. The '91 240SX, '96 I30, '96 Odyssey, '97 I30t, '98 > Maxima, and '02 Pathfinder all say what I said they say. Yes. Well, if you look at the message I typed, I was responding to Elmo. He has some unusual ideas at times, but he's not an idiot, so I figured that perhaps he had misread your message and thought that you were saying the opposite of what you were actually saying. Sorta like you just thought about my message. I agree with you, and so do the manuals of my automobiles. RFT!!! Dave Kelsen -- "Do nothing secretly; for Time sees and hears all things, and discloses all." -- Sophocles |
Re: Why do vents default to outside air?
On 9/24/2004 9:26 AM E. Meyer spake these words of knowledge:
> On 9/24/04 6:57 AM, in article > zYT4d.54592$uN5.18482@tornado.tampabay.rr.com, "Dave Kelsen" > <invalid@invalid.invalid> wrote: > >> On 9/23/2004 10:52 AM Elmo P. Shagnasty spake these words of knowledge: >> >>> In article <BD784BA3.9E7B9%e52.meyer0SPAM@ieee.org>, >>> "E. Meyer" <e52.meyer0SPAM@ieee.org> wrote: >>> >>>>> 1. Start in recirc and then switch to fresh after temp stabilization. >>>>> 2. Start in fresh and then switch to recirc. >>>>> >>>>> I think 2 is more intuitive and that's what I do! >>>>> >>>>> >>>> >>>> I don't see why there should be a "camp". Get out your thermometer and a >>>> stop watch and try it both ways. >>>> >>>> I would be willing to bet that number one will win, and is, in fact, the >>>> recommended procedure in every owner's manual I have seen in the past 15 >>>> years or more. >>> >>> It is not the recommended procedure in any owner's manual I've seen in >>> the last 15 years, and I will take your bet. >> >> You don't read much, apparently. Or you have misread what was said >> above. Look again. >> >> >> RFT!!! >> Dave Kelsen > > > What does "RFT!!!" mean? It means "Roll Tide" (the teams of the athletic department of the University of Alabama). > Well, I double checked the manuals for the 15 years of cars my immediate > family currently uses. The '91 240SX, '96 I30, '96 Odyssey, '97 I30t, '98 > Maxima, and '02 Pathfinder all say what I said they say. Yes. Well, if you look at the message I typed, I was responding to Elmo. He has some unusual ideas at times, but he's not an idiot, so I figured that perhaps he had misread your message and thought that you were saying the opposite of what you were actually saying. Sorta like you just thought about my message. I agree with you, and so do the manuals of my automobiles. RFT!!! Dave Kelsen -- "Do nothing secretly; for Time sees and hears all things, and discloses all." -- Sophocles |
Re: Why do vents default to outside air?
In article <qdb5d.31202$Si.29776@tornado.tampabay.rr.com>,
Dave Kelsen <invalid@invalid.invalid> wrote: > Yes. Well, if you look at the message I typed, I was responding to > Elmo. He has some unusual ideas at times, but he's not an idiot, so I > figured that perhaps he had misread your message and thought that you > were saying the opposite of what you were actually saying. Upon re-reading the original post, I do believe that was the case, yes. |
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