 | Home > Puma (Tdci) > Convert heated seats to cooled ones |
 
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| wyvern Member Since: 13 Dec 2009 Location: Cornwall Posts: 2108   
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I’m not an electrical magician but can safely say that it wont work ... however I will stand corrected if proven wrong !
it may be better to look at the later G4 discovery seats as, if my memory serves me correctly, these were a special cool mesh that allowed your back to breath. the other way is to put ice water into a hot water bottle and place it behind you back like a small cushion ... just my thoughts !  Poppy - TDCI (Puma) 110XS 2.2 - Camper conversion - see the build here - https://www.defender2.net/forum/topic56530.html
Elgar -TDCI(Puma) 110XS Dormobile - now sold Devon & Cornwall 4x4 Response - DC126  |
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25th Apr 2018 7:51pm |
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| Inigo Member Since: 13 Nov 2011 Location: Kent Posts: 617 
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I'm fairly sure they are just resistance heaters, having replaced a pad on mine recently. They have a wire snaking through the pad and sit between the foam of the seat and the leather/cloth cover.
Peltier elements appear to be rigid, and I'm not sure you could get any powerful enough and with good enough heat transfer to make a difference. I'm also happy to be corrected and interested to see if you could retro-fit any. Cooled seats that I've had before have involved a cool air duct from the air conditioning system. |
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25th Apr 2018 8:39pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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Agreed, Defenders just use conventional heater elements, they'll only heat up regardless of which way you run the polarity.
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25th Apr 2018 9:39pm |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2526 
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I don't believe the Defender seats are heated by the peltier effect. I'm sure if they were many of our Antipodean members and dealers would have converted them to cooled seats. Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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26th Apr 2018 5:15am |
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| Arsath Member Since: 20 May 2015 Location: Sri Lanka Posts: 133  
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So does anyone know a good kit that could be used for cooling?
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26th Apr 2018 1:15pm |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2526
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http://www.aftermarketsystems.net/comfortzonecoolseats.html Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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26th Apr 2018 2:16pm |
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| gilarion Member Since: 05 Dec 2013 Location: Wales Posts: 5110  
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I don't know if they still do it but Exmoor used to do seat cover replacements using a fabric that keeps you cool in summer and warm in winter. Don't know if they still do it though, No harm in giving them a call and asking. For those who like Welsh Mountains and narrow boats have a look at my videos and photos at..
http://www.youtube.com/user/conwy1 |
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26th Apr 2018 4:44pm |
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| Shax Member Since: 05 Oct 2010 Location: London Posts: 391  
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The seat heaters are definitely not peltier elements... You could run a liquid system, with a matrix of small bore pipes under the seat fabric, then run these to a cooling block with a pump, peltier module and associated heatsink and fan.. Similar to liquid cooling a computer cpu.. The cooler / fan / pump assembly could be mounted in a box attached to the cubby... And by reversing the polarity of the peltier elements, you keep heated seats in winter!! Should be a simple enough project to get done in a weekend..  ... ,-------,
.. I [__][_]|__ .. I __ |"_|"__| .. "(o)====(o)" ^^_-^-_^-^_^^^^^--^^^^ PAUL G7ALW 14.200 USB 26FB458 / 27.275 SSB |
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8th May 2018 7:35pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8027  
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Outlast IIRC i have some mesh seats from Exmoor Trim to suit Defender which work really well. Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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8th May 2018 8:17pm |
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