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| mobilecentre Member Since: 05 Mar 2012 Location: Evesham Posts: 645  
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Here are some pictures of the 4 way heater valve
 Click image to enlarge |
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30th Jun 2013 11:26am |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586 
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This is my installation:
Click image to enlarge Click image to enlarge Click image to enlarge Installation without 4 ways valve Click image to enlarge Installation with Click image to enlarge Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated  Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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30th Jun 2013 12:04pm |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069 
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I was not keen on installing in the gearbox tunnel because it's more exposed to the elements and more difficult to service, so after alot of research, I opted for a BMW X5 installation kit from Webasto Switzerland.
Click image to enlarge Tidy, up out of the way installation and easy access  |
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6th Jul 2013 6:47am |
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| marek916 Member Since: 22 Aug 2014 Location: Gosport Posts: 1
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Click image to enlarge Hi, This is my first post here. I can connect to the Webasto Thermo Top Vevo (2011 ex LR Discovery part) with the W-Bus using an eBay USB OBD (beware pin 5 was not connected in my OBD adapter so had to use pin 4 (signal GND vs Vehicle GND). In my "Control" menu of Webasto Thermo Test software v2.14 "on", "EMC measurement mode", "ventilating", "boost mode" and "circulating pump external control" are greyed out. When I click one of the four non -greyed out options "Parking Heating", "Parking Heating (EOL)", "Supplemental Heating" or "Supplemental Heating (EOL)" I get the "NAK: access denied!". Please see attached screenshots. On the VW forums I have seen references to modifying a CANbus register with VAG-COM to enable the W-bus control. I have connected the CANbus lines to my OBD and installed VAG-COM but the Webasto does not show up on in the bus scan (I have tried an all address scan). Has anyone else got experience in this area? Thanks Marek |
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22nd Aug 2014 9:51am |
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| cobs Member Since: 12 Jun 2008 Location: North Yorkshire Posts: 336 
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Hi Marek welcome to the forum.
It's worth having a read of this whole thread from Page 1 in particular tatra805's posts. I think the problem you have is that whilst a lot of the Webastos look identical there are a number of manufacturer specific versions (in terms of the electricals/pcb) and it can sometimes be difficult/impossible to make these work as standalone heaters. I'm not sure if this is the case with the Discovery version but I believe it was originally intended as a supplementary heater rather than a parking heater. |
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23rd Aug 2014 10:34am |
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| cosmin Member Since: 23 Sep 2015 Location: Bucharest Posts: 1 
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hey guys, so I have a webasto air top 2000 ST from a mercedes actros, is there any way I can make it run without CAN BUS and install it on any truck I want ?
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23rd Sep 2015 8:11pm |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069
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If you have a degree in electronics I'd say go for it, otherwise bite the bullet and buy a new standard kit from Derrick at LRS
There are also lots on eBay but buy with care ... People offload all sorts of webasto and eberspacher units there |
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23rd Sep 2015 10:34pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6670 
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Anyone know if there is a replacement or alternative part number for the 12780A 4-port one-way valve?
It's disappeared from Webasto suppliers  1988 90 Td5 NAS soft top
2015 D90 XS SW |
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11th Feb 2016 11:46am |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586
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http://butlertechnik.com/download/6m/Webas...e_2010.pdf
pag. 23 http://standheizung-ersatzteile.com/shop/e...turn-valve http://shop.paranoidindustries.com/product...-way-valve http://www.yachtzubehoer24.eu/Webasto-Rueckschlagventil http://www.ebay.it/itm/4-ways-Check-valve-...Sw7FRWWUwy http://www.ebay.com/itm/check-valve-20mm-s...339a67ec90 http://www.ersatzteilbox.com/product_info....metal.html Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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12th Feb 2016 6:13pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6670
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Thanks Daniele
1988 90 Td5 NAS soft top
2015 D90 XS SW |
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12th Feb 2016 8:07pm |
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| drinkdrinkdrop Member Since: 13 Sep 2016 Location: Surrey Posts: 76
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Anyone controlling a thermo top and an airtop with a single controller? I'd also quite like the ability to remotely activate them separately but I'm struggling to see how this is possible with a t91
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30th Sep 2016 10:18am |
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| TJH1985 Member Since: 22 Aug 2016 Location: Midlands Posts: 238
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Hey All,
Would you mind sharing some pictures of your exhaust routing and exit? Thanks, Tom |
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2nd Dec 2018 12:18pm |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586
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https://www.defender2.net/forum/post160364.html#160364 Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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2nd Dec 2018 12:41pm |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069
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Anyone fitting a webssto thermotop to a LHD defender, I have a mounting kit
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2nd Dec 2018 11:16pm |
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