IMPROVED A/C & HEATING SYSTEM - Page 7 - LotusTalk - The Lotus Cars Community
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post #121 of 186 (permalink) Old 05-08-2012, 11:21 PM
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where can i find more information on the "Auxilliary AC" option? search isn't turning up anything

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post #122 of 186 (permalink) Old 05-09-2012, 03:55 AM Thread Starter
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By contacting your Lotus dealer to see if it is available not only in your region, but also as a retrofit.
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post #123 of 186 (permalink) Old 05-09-2012, 05:11 AM
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By contacting your Lotus dealer to see if it is available not only in your region, but also as a retrofit.
Michael
Thanks. :/

Would you know if it's Reducing the heater to a minimum or ripping it out completely? And adding an extra/bigger A/C evaporator.

or fitting a secondary compressor and cooling system?

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post #124 of 186 (permalink) Old 05-09-2012, 05:45 AM Thread Starter
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I have no idea of the configuration. All I do know, is that it was available in the middle east on the Elise and Exige.
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post #125 of 186 (permalink) Old 05-09-2012, 09:36 AM
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SirLotus,

I would like to know if i remove the panels will my evaporator(cooling coil) suck the dust on the carpet and shoes? If so, will it eventually clog and servicing it will be very hard due to its location. Another thing if i accidentally drop the rivet while drilling will it rattle inside the car?..
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post #126 of 186 (permalink) Old 05-09-2012, 10:45 AM Thread Starter
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SirLotus,

I would like to know if i remove the panels will my evaporator(cooling coil) suck the dust on the carpet and shoes? If so, will it eventually clog and servicing it will be very hard due to its location. Another thing if i accidentally drop the rivet while drilling will it rattle inside the car?..
Removing the footwell panels will not change anything. The system has no filter and air is drawn in from multiple locations.
My understanding is that a dropped rivet will not rattle. Do not drill the complete head off and that will be enough to remove the panel. Now, place a drop of glue or silicone on the remaining exposed heads to secure them.
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post #127 of 186 (permalink) Old 05-10-2012, 10:51 AM
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Ok, thanks a lot!..
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post #128 of 186 (permalink) Old 06-10-2012, 12:04 PM
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Improved AC!!!

I did the increase air flow mod removing the recirculation covers and taping up the intake vents. Took it out for a drive and noticed an improvement in air flow volume.

I then did part of the heat soak mod by insulating the HVAC ducting only. Now the AC seemed to be stable and cool even after the engine cooling system was up to normal operating temp.

Now I just need a hot sunny day to see exactly how effective these mods are.

Thanks to SirLotus for putting this information together.

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post #129 of 186 (permalink) Old 06-10-2012, 12:54 PM Thread Starter
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Improved AC!!!

I did the increase air flow mod removing the recirculation covers and taping up the intake vents. Took it out for a drive and noticed an improvement in air flow volume.

I then did part of the heat soak mod by insulating the HVAC ducting only. Now the AC seemed to be stable and cool even after the engine cooling system was up to normal operating temp.

Now I just need a hot sunny day to see exactly how effective these mods are.

Thanks to SirLotus for putting this information together.
Good to hear. I would also suggest that you insulate (block off) the center spline.
Cheers,
Michael
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post #130 of 186 (permalink) Old 06-10-2012, 01:02 PM
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Good to hear. I would also suggest that you insulate (block off) the center spline.
Cheers,
Michael
What is the center spline you refer to?

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post #131 of 186 (permalink) Old 06-10-2012, 01:06 PM Thread Starter
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What is the center spline you refer to?
The center hood spline, the first photo under "heat soak'.
Cheers,
Michael
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post #132 of 186 (permalink) Old 06-25-2012, 10:36 AM
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Old Thread that Still Works!

Love this old thread. Thanks SirLotus. I did the following:
  • Removed Recirculation Cover
  • Insulated Ducting
  • Insulated Center Spline
  • Repositioned Evap Probe.

Had to turn down the A/C because it got too cold. Thanks!
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post #133 of 186 (permalink) Old 06-28-2012, 07:12 PM
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Cleared up the heat soak!

Wow....! I added the insulation in the nose spline and insulated behind the radiator air blocks. I paid a lot of attention to preventing hot air from seeping around into the nose cavity where the a/c components are. After driving around in the 101 degree Dallas heat, I can tell you it helped a lot! The air coming out of the vents stayed cool and I was quite comfortable. I also insulated the air distribution hose and that was not as hard as expected.

Thank you Sir Lotus for the time spent figuring this out!
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post #134 of 186 (permalink) Old 08-06-2012, 08:05 PM
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While unscrewing the fusebox to gain better access to the areas to insulate, I dropped one of the four plastic spaces that held the fusebox offset from the car. It fell down into the car and I heard it land on the floor pan below. Is there anything I should be worried about outside of rattles that it may interfere with or cause problems with? I am going to go to Home Depot to get a replacement but I am just worried that the loose piece may cause trouble. Anything it could have fallen into that could cause a problem?
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post #135 of 186 (permalink) Old 08-07-2012, 03:26 AM Thread Starter
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While unscrewing the fusebox to gain better access to the areas to insulate, I dropped one of the four plastic spaces that held the fusebox offset from the car. It fell down into the car and I heard it land on the floor pan below. Is there anything I should be worried about outside of rattles that it may interfere with or cause problems with? I am going to go to Home Depot to get a replacement but I am just worried that the loose piece may cause trouble. Anything it could have fallen into that could cause a problem?
It will not be a problem, I did the same thing.
Michael
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post #136 of 186 (permalink) Old 08-07-2012, 06:20 AM
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I have extra insulation. Anything to be gained from insulating the floor under the carpet as well?
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post #137 of 186 (permalink) Old 08-07-2012, 07:29 AM Thread Starter
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I have extra insulation. Anything to be gained from insulating the floor under the carpet as well?
No, only on the side sills where hot pipes are routed.
Michael
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post #138 of 186 (permalink) Old 08-07-2012, 11:46 AM
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Any tips on upholstering the side sills? What you used? How you did it? Any pointers? Don't want to be dropping spacers again lol . . .
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post #139 of 186 (permalink) Old 08-07-2012, 11:54 AM Thread Starter
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It's all here Improved Ac
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post #140 of 186 (permalink) Old 08-11-2012, 06:15 PM
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I remember reading this thread 3 years ago when it was first written.

I have a long drive tomorrow up to Asheville and the forecast is humid, humid, hot, and humid.

I have no idea why I put this off so long - it took perhaps 10 minutes including removing the front grill to seal off the inlets. Had I exercised care to make sure I retained the rivets it might have taken 15 minutes, but I didn't.

I will return and report.

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