Gulf States / Saudi Air Conditioning - Anyone here have first hand experience ? - LotusTalk - The Lotus Cars Community
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post #1 of 39 (permalink) Old 02-14-2015, 07:28 PM Thread Starter
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Gulf States / Saudi Air Conditioning - Anyone here have first hand experience ?

Hi all,

As above, looking for someone with first hand experience of the Gulf States Aircon system

I have two Gulf States specification cars here (09YM Elise SC)c, both with aircon, however only one appears to have a unit behind the seats??? Did they go away from the extra unit? Or does no extra unit mean it has the regular AC?

Thanks in advance
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post #2 of 39 (permalink) Old 02-14-2015, 07:46 PM
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Originally Posted by 1stGenMatt View Post
Hi all,

As above, looking for someone with first hand experience of the Gulf States Aircon system

I have two Gulf States specification cars here (09YM Elise SC)c, both with aircon, however only one appears to have a unit behind the seats??? Did they go away from the extra unit? Or does no extra unit mean it has the regular AC?

Thanks in advance
GenMatt,

The ones I've seen here (in Saudi) have the second system behind the seat. I have only seen one which did not, which happened to be a (stock) Cup Exige.

But I'm curious....you have two(!) '09 SC's? Mine is in the States and I only get to drive it once per year. I'd love to have one here, and would like to compare the 2-unit spec against the normal spec version. What have you found in terms of a difference in, say, August?

Welcome to the forum, by the way,

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post #3 of 39 (permalink) Old 02-14-2015, 08:02 PM Thread Starter
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Thanks Stephen,

Well actually 3 Gulf spec cars, 2 Elise SC and an Exige. We're converting all 3 to RHD!

At this stage trying to work out which parts to order, I'm hypothesising the Elise without the unit behind the seat has the normal LHD Aircon system
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post #4 of 39 (permalink) Old 02-14-2015, 08:58 PM
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Thanks Stephen,

Well actually 3 Gulf spec cars, 2 Elise SC and an Exige. We're converting all 3 to RHD!

At this stage trying to work out which parts to order, I'm hypothesising the Elise without the unit behind the seat has the normal LHD Aircon system
Yes, that's my understanding as well. I visited Hethel and got to ask that very question. My car is in (hot) Texas, and I was thinking of trying to order the parts to do this myself. The guys at the factory said this was possible from an engineering standpoint, but they wouldn't sell the parts to me. I dropped it at the time. But maybe I should talk to the dealer here.

So you are importing them to the UK, Japan, etc.?

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post #5 of 39 (permalink) Old 02-15-2015, 06:21 AM
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Wouldn't sell you the parts?

Did you think about the 3M ir blocking film?

Can't speak to the Lotus system, but I found an ac expert that can modify systems to use modern upgrades and enhance the cooling quite a bit.
Nearly any older system can be made variable pressure, and more efficient.
It's not a fifteen minute job, but getting the pressures right is the important part.

Also adding better fans is such an old trick, I'm sure you already know about it.
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post #6 of 39 (permalink) Old 02-15-2015, 11:15 AM
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GGC AC

GGC AC
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Arabian Elises R US
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post #7 of 39 (permalink) Old 02-15-2015, 11:25 AM
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post #8 of 39 (permalink) Old 02-15-2015, 11:49 AM
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GGC spec cars can be verified against their unique VIN

All (road) GGC spec Elise / Exiges will have :
Twin AC units (front is standard HVAC)*
Solar insulated windscreen
Sand filters*
Addition cabin insulation / carpeting / leather trimmed gear change & handbrake *
Alloy radiator
Twin oil coolers

* Not Cup cars

GGC is not just for KSA, Al Ghassan was simply the 1st to order a batch of cars for MY 2009 build, afterwards Oman / Qatar / UAE agents also ordered.
Even the latest GCC MY 2015 Exige V6's have these specs.

During Arabian Gulf Summers (50C + plus high humidity) the car will remain cool, and get cooled even if heat soaked prior to start-up

I guess you bought your lot cheap, as Al Ghassan had most of their MY 2009 cars, still unused, stocked till last year when they aborted Lotus. As you can see from the detailed pictures, converting the Saudi cars to RHD will have no impact to the secondary AC system, as its compatible (simply an add-on) 'the the rest of the world' HVAC system

... don't know why Lotus never offered this in other hot countries / states (even as an option), because no matter how well serviced, the standard HVAC has icing issues due to the small front mounted evaporator. With limited front space in the chassis, a secondary rear mounted units was the only option if you want a heater unit somewhere in the system too.

Lotus did produce (assembled in Proton's plant from SKD kits) a batch of S1 cars, where AC only was mounted at the front, with no heater at all... but thats another story...
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post #9 of 39 (permalink) Old 02-15-2015, 11:58 AM
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If you can't get hold of the Lotus secondary unit, this looks very similar.
Like Lotus OE GGC spec, simply tap into the standard AC circuit (existing compressor / condenser / drier / gas lines etc)
Obviously delete plumbing-in the heater ;-)

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post #10 of 39 (permalink) Old 02-15-2015, 01:56 PM
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Fascinating....
You can really tell it's a Lotus from the way it's installed.

Sad to hear the dealership aborted their Lotus division.

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post #11 of 39 (permalink) Old 02-15-2015, 04:37 PM
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Quote:
Originally Posted by lighterthanair View Post
...
So you are importing them to the UK, Japan, etc.?
...
If you glance through his post history you'll see that Matt is in New Zealand. They are also right hand drive.
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post #12 of 39 (permalink) Old 02-15-2015, 04:48 PM
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By having space in the case devoted to the heater core you would lose cooling capacity in the a/c evaporator coil component.
Bergstrom is a very large vehicular a/c supplier in heavy duty trucking for the USA. I had not realized they had a European division, Bergstrom Europe Ltd. If someone pursues this I suggest contacting a European a/c parts dealer with the part number shown (10000104444).

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post #13 of 39 (permalink) Old 02-15-2015, 10:01 PM Thread Starter
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Cain it! Thank you, cars are 100% Gulf States, as per their lotus stickers and vin numbers. It wasn't the behind the seats area I was worried about, it's the front end, the lotus parts manual lists different piping, condenser and receiver just not sure if the gulf spec parts will be compatible with the regular RHD piping etc
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post #14 of 39 (permalink) Old 02-15-2015, 10:06 PM Thread Starter
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Quote:
Originally Posted by cain-it View Post
GGC spec cars can be verified against their unique VIN

All (road) GGC spec Elise / Exiges will have :
Twin AC units (front is standard HVAC)*
Solar insulated windscreen
Sand filters*
Addition cabin insulation / carpeting / leather trimmed gear change & handbrake *
Alloy radiator
Twin oil coolers

* Not Cup cars
I thought this too, however the Elise without the 2nd AC unit also doesn't have the additional cabin insulation / carpet or leather.
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post #15 of 39 (permalink) Old 07-15-2015, 04:53 PM
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Hello Matt
I have 2010 s240 gcc specs
Can you point out where is the sand filter is ?
Thanks in advance
Hazim
Khobar City
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post #16 of 39 (permalink) Old 04-02-2017, 01:10 AM
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hey guys, so I just got an Exige in Kuwait and it came with the secondary AC unit for a total of 8 vents. I can understand how useful this will be in the hot summer months but right now it's just too much AC for the weather we have and the low setting really isn't that low. Is there a way I can turn off the rear unit either by removing a fuse or something? It's pretty loud and difficult to have a conversation with someone when the rear unit is on.
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post #17 of 39 (permalink) Old 04-02-2017, 03:18 AM
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If you look at the picture with the fan you can see the bundle of wires, orange yellow red, and I think you can see the wires going back to the fan, orange should be direct to the fan. If you put a 100 watt say 1 to 1.5 ohm resistor in line with that, it would slow and quiet the fan. perhaps bypass switchable so when the hot weather returns you can eliminate it, I would be cautious of shutting it off entirely, I don't know how the controls work on that.

As I look at it the stock resistors look to be under the screed on panel at the top of the unit
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post #18 of 39 (permalink) Old 04-02-2017, 11:21 AM
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If you look at the picture with the fan you can see the bundle of wires, orange yellow red, and I think you can see the wires going back to the fan, orange should be direct to the fan. If you put a 100 watt say 1 to 1.5 ohm resistor in line with that, it would slow and quiet the fan. perhaps bypass switchable so when the hot weather returns you can eliminate it, I would be cautious of shutting it off entirely, I don't know how the controls work on that.

As I look at it the stock resistors look to be under the screed on panel at the top of the unit
well what about this theory. Right now the rear AC unit only comes on when the AC button is pressed. So if I just have the blower on the rear unit is off, once i click the AC button the rear starts working. What if I stop the signal from the AC button ever getting to the rear AC unit? Would that work in theory?
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post #19 of 39 (permalink) Old 04-02-2017, 11:50 AM
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I would think that you would want to preserve your ac function for summer.

I am not sure of the wiring of the unit.

Is there AC in the front unit?

When the fan is on low in the rear unit is the noise objectionable? does it even use speeds, I cannot tell

wiring diagram page 42 shows a pair of I think light green wires coming from the ac switch to the unit, a power wire and the fan wires

so cutting that wire would be the same as turning off the switch
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post #20 of 39 (permalink) Old 04-02-2017, 11:53 AM
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