12v 5KW Diesel Water/Coolant Heater Webasto Thermo Top V

[@theflyingpostmane]

Yep I’m gonna click on the buy now button for one of these units, so be prepared for the questions. As you probably know already these units are sold without the controller so that put me off for a while but I’m feeling confident in buying one now. Thank you very much for this wee nugget of a video🥃🥃🥃

[@high1voltage1rules]

Iv watched this many times now bud, and I just love that start up! That fan noise is great! And I just cant believe how fast that water heats up!! 👍👍👍👍👍THUMBS UP👍👍👍👍👍

[@thehouseholder5468]

I took a unit out of a transit 14 years ago with an analogue controller i couldn’t get the controller tho , I’m going to dig it out and see if I can get it going

[@eldoradoboy]

I thought most of these had a single wire tyou can send high to and start it up.. I know this video is old.. but my Webasto's both of them thermo top's can be started wit h+12volts to one of the wires in the control harness and the heater will run in automatic mode as long as the +12 is high.. when you lower the +12V to the wire it will go through the shutdown sequence

[@ymlas02]

How does this fair on an off road vehicle that's been playing in mud and at times submerged to the windows? I can't imagine that's good for the combustion chamber as it would fill up with water and mud through the intake and exhaust ports. Just wondering where they would mount this on a Land Rover as such a vehicle would be subjected to the aforementioned conditions.

[@forenamesurname4576]

It's mounted next to the power steering fluid reservoir. Yup they're renowned for failing due to crap/water in the combustion chamber. I wouldn't consider the disco 3 as a proper tough off roader... way too many computers and control modules which can't cope with water.

[@ukaszkwiatkowski5514]

Hi are this webasto can stop somewhow to stop heating coming to cabin? I have issue with my x5 same webasto. When webasto on heat up nicely but if not turn on no heat in car at all.... Thermostats changed,water valves changed,heater core flushed no leaks but no Heat at all. No errors

[@johannessieni]

Hello! I am searching for a way to heat a ev van (e-deliver 9) it only has resistive heating and it kills the battery. All solutions so far are just put a separate airheatter in it. I want the heat to come from the cars own vents. But since maxus also makes diesel version for china markets im wondering if the electric heatter could be replaced with standard heaterblock from the diesel version. Then i would have webasto oilburner coolant heater with small water tank in the loop connected to regular water circulated heater for the car. This way i could preheat and make all heat come from the vans own vents and never use electric heating. The van is for people transport so it needs alot of heat for the whole car. The webasto should be programmed to heat water to 75c and then run minimum power until like 85c. It should run all the time without having to restart. The cars controls would work like in the diesel version and open the valve to the water heater.

[@forenamesurname4576]

@@johannessieni I guess you could retrofit a heater matrix from a diesel model, it would be convenient for the heated air to come out of the factory vents. These thermo top v models ramp down once they reach 65C, they're not ideal for heating coolant for cabin heat. I think the Chinese clones that are available now reach 80C. On the other hand you could install a diesel air heater and run associated ductwork, a 5kw model uses 75mm duct, it's easy to work with. An air heater would be much faster to start than a hydronic system, if you preferred for the unit to take air from outside as opposed to recirculating air, you could run a duct from outside.

[@johannessieni]

@@forenamesurname4576 yes i want the car to be clean and not have any extra things inside. Also its own vents are perfect for melting the windshield. I want to build a system that basically works like running engine keeping the water warm at all times. Also some webasto installs on normal cars have the feature where they blow hot air in the cabin when preheating.

[@ericlotze7724]

Any way this could drive some sort of Engine Heat Recovery System. Make electricity, hydraulic pressure, or driveshaft power using the heated water and/or steam? TEG would be the simplest, but may not do much, stirlings are complex and not very powerful (double check me on that), and steam may be hard to generate for a piston/turbine expander? Would be intresting to mess around with especially the TEGs they can be pretty cheap.

[@captainwiffwaff6201]

Silly question it pump the water around as Well it is that just convection

[@forenamesurname4576]

It has a pump on the unit

[@akbarseripisheh7737]

Hello, I turned off the Parginek heater .. The car thermostat prevents water from circulating !! What should I do? Please help 🙏

[@forenamesurname4576]

Install it inline with the heater matrix 👍

[@SimoneAlborghetti]

So no problems with the 5kw fuel pump? The webasto original pump should be around 34|44 ml, the 5kw chinese is 22 ml. I've tried a chinese 32 ml but I have a lot of white smoke and the unit turns off :(

[@forenamesurname4576]

You're not the first to mention this, but oddly enough I've had no issues using a Chinese 22ml pump

[@Zaladorarch]

White smoke is usually the result of incomplete combustion, i.e. most of the diesel not being burnt. It's likely that your module isn't getting enough air. This could be due to soot deposits in the exhaust, burner chamber, or on the mesh in the burner. Air is blown over the mesh as it's saturated with diesel from the pump, while the glow plug heats everything so that it ignites. If the mesh is caked up with soot, you'll have less air and worse combustion. Likewise, if the burn chamber or exhaust is caked up, you're gonna have a hard time getting a flame and you'll likely see the "No flame" error. Luckily, it's not a hard fix. Try taking the heater apart, clearing the exhaust and burn chamber for any carbon deposits. Diesel works nice to break down the carbon, brake cleaner is great too.

[@SimoneAlborghetti]

@@Zaladorarch In my case by using an original webasto pump works perfectly. The burner was already clean, the problem was an incorrect fuel quantity supplied by the pump

[@Nfario1]

HI. Excuse me but I'm going crazy getting my webasto thermo top v to work, as long as I'm missing a wiring diagram. So without a w bus, the heater doesn't work? Does simple connections not start? I use it to heat hot water for a radiator in my garage. Could you help me with the 8 pin connections? Thank you

[@forenamesurname4576]

Correct, without a wbus it will not start

[@just1lifexx11]

Thanks. Ypur video really help mee

[@davidrose1675]

Hey mate do you know where i can get any more info on this? the Links no longer work cheers David

[@forenamesurname4576]

Hi, both the diagram links work fine for me; here's an updated eBay link www.ebay.co.uk/itm/296196276671?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=jjfuznmpslw&sssrc=4429486&ssuid=78zPE9YcQ4e&var=&widget_ver=artemis&media=COPY

[@johnhart6036]

just bought one of these no wires can you tell me what i need to set up to run in my small camper please links below dont work

[@holymoly7644]

FS Are all the KKL/409.1 OBDII adapters the same, they all seem to be VAG, Skoda Seat etc

[@forenamesurname4576]

As far as im aware yes. As long as it supports kkl and vagcom you should be okay. If you need the software i can upload it

[@holymoly7644]

@@forenamesurname4576 Thanks mate. I am using the same version WTT

[@robinsonlabs]

Yea they are shite! would not touch 1 of them really, if you want i can send you something a bit better than that, you see they get the job done by using 2 transistors which is nasty and open to voltage spikes and the like! also you dont know what you get for the usb weather ftdi or ch340, my setup uses ftdi to l9637 dedicated iso9141 k-line/lin bus driver chipset made by ST. It sinks properly to the TJA1020 LIN bus transceiver in the tt-v. this way is stable signal over 12v never dropped a packet rather than pulling a little transistor to ground yuk!

[@holymoly7644]

@@robinsonlabs That would be great, have had reliability issues, with controllers, how do i get one from you

[@robinsonlabs]

@@holymoly7644 They are about 14 days away as im just waiting for pcbs to come from china then they will be on ebay, if i can have an e-mail addy i will send you what they look like and specs, you cant buy anything like it for this job, i think they are out of this world. and the cost is not bad, they will retail for £9.99 but i think you will agree that what you get compared to a £5 vag kkl is super. also the vag kkl are not kkl as that means they should have 2 k lines and l line hence k,k,l.

[@BeavisPits]

Hi, great video, very useful. I’m currently fitting one of these to a Land Rover but need to know the pin-out of the 8pin connector. You say there is a wiring diagram in the comments but I can’t see one.

[@forenamesurname4576]

Hi glad you found it useful. Here's the diagram I used i47.servimg.com/u/f47/11/17/17/91/fbh_br10.jpg

[@BeavisPits]

Thank you! That’s very useful. Pin 2 is data input then, and pin 5 is fuel pump output feed. Looks like you wired pin 5 direct to your fuel pump. I’m wondering if it would be better on a relay. What do you think?

[@forenamesurname4576]

@@BeavisPits Its always worked fine with the pump wired up directly to the heater. Personally I wouldn't bother with a relay.

[@daverussell6868]

Forename Surname how many amps would you expect it to draw on cold start up Dave

[@robinsonlabs]

Hi, i have the exact setup you have there however, mine will not go with chinese pump! it gets to ramp up and then the flame detector kicks and unit goes into cooling and shut down. did measure delivery and is the rated 40ml in 180 secs, burner has been stripped and everything has gone through the ultrasonic. So i guess i will have to get hold of a genuine dp40 pump to try!

[@forenamesurname4576]

Very odd. What year is your burner? Perhaps later models detect impedance of the pump.

[@robinsonlabs]

​@@forenamesurname4576 06/03/06 x204 sh from a jag s type. the pump is an l03-07-sj100300 marked 22ml however is does do 40ml in 180 secs. could you ohm out your pump for me im getting..... wait a minute! HA maybe i just found my problem i went to ohm out and 1 way i get open the other way i get 20.5ohm which makes me beleive there could be a diode in the pump, hving no connector also will solder wires round other way and try

[@holymoly7644]

@@robinsonlabs 40ml in 180 secs, what was the pulse rate PPM, the pulse rate for the dose pump on a Disco is a lot faster than some motors. MG Rover dose pump rate is 140 PPM, at this rate a genuine pump squirts out around 13ml per minute. I tried 2 cheap Chines ones, 140 PPM squirted out only 5ml, It fired up a Thermo top, but took ages to warm 4L water. So I can imagine one of these not putting enough fuel thropugh a Vevo fast enough for the flame detector. Probably ok on a airtop that uses a lot less fuel, or has a damper fitted to a 40 to slow the fuel down. May not be the same one FS used, but some are only good for airtop

[@robinsonlabs]

@@holymoly7644 Hi, the rover thermo top is a (c) and this is a thermo top v not a vevo. its from a jaguar s type so is the same as landrover with only 1 differance i can see which is correct me if wrong but being jaguar it accepts PH and SH command from wtt. when i select parking heat it starts the water pump, if i select sup heat then it does not start pump so is configered as both when i think the land rover 1 only accepts SH command. Pulse rate was taken from repair manual so 7hz-3min-40ml which it is! however, in a thermo top c in the burner there is a metal gauze that saturates and air is forced through it that atomizes fuel, in the V it is a venturi and there is no gauze so i think where the gauze would allough for minor diffs fluctuations this has to be a constant stream.

[@forenamesurname4576]

I measured 5.0ohm on my pump which is marked 12-22

[@holymoly7644]

I tried the OBDII on a TTV from a Range Rover L320, I could test run the components, but I could not start it, each time I tried I got 'NAK access denied' error pop up. When I checked the protocol tab/window, nothing was happening. I thought they were the same as the Disco

[@robinsonlabs]

So still comms errors eh? i told you not to go for that shite did i not! My pcbs are only few days away now maybe tue wed at latest, I will make a video to show why you should buy an item from me! Also when you get them errors its the wrong voltage from the kkl that is screwing with that expensive ttv pcb, this is what i said can happen, remember that if you kill the ttv pcb you effectively kill your heater as cost of replacement is not worth it, watch my vid i upload later

[@forenamesurname4576]

What year is your heater? Ive had the same issue with a tt vevo i think late models are locked out by webasto.

[@robinsonlabs]

@@forenamesurname4576 06/03/06 x204 sh from a jag s type. TT VEVO is just the name they gave it from TT V. The protocol has not changed! That would mean new diagnostic cables and new updated software which wont change just as yet as webasto have a 5 year product overhaul, would be very expensive to implement to all dealers around the world. So are you saying your having comms errors with the unit?

[@holymoly7644]

@@robinsonlabs looking forward to it, sent you an email, as for the OBD, I borrowed one,

[@holymoly7644]

@@forenamesurname4576 My mistake, TTV was from a 2010 disco 4 3.0 TdV6

[@nikolamilovanovic9942]

Hello, I've bought webasto for Peugeot 407, I got OEM connectors on the car, put in the fuel pump, primed the fuel line with diagnostic, can't seem to run webasto normally, when i shut down the car the unit goes in cooling mode, I can start additional heating command with diagnostic, but won't start when the car is running, after shutting engine down the heater starts to cool I can hear the ventilator inside of it, soon as I start the car, webasto shut's down No errors displayed in additional heating using Peugeot planet. Took the heater of the car with no webasto LCD controller, and it was working just fine on that car. Any idea?

[@forenamesurname4576]

Not sure. Perhaps the car must be coded/programmed to accept the heater.

[@david667766]

I have just picked one of these up from a scrapyard for a home build hot-tub project, I did not pick up the water pump with the unit, do you know if another similar sized pump would be adequate? thanks

[@forenamesurname4576]

Absolutely, I'd recommend searching for a 12v hot water pump or a solar circulation pump as they are sometimes called

[@terryryan1947]

CAN YOU GET THIS TO RUN RADIATORS FOR MORE THAN 60 MINS

[@adycata82]

Brilliant video! I have one from a bmw thermotop z (730d,2006)and i am interested in buying the controller from webasto to plug it in directly? will this work or i need to buy w-bus and make modification for the original controller to work?

[@forenamesurname4576]

It might be worth buying the aftermarket controller as I believe the BMW webasto's use CAN-Bus as opposed to W-Bus. I'm prestty sure David McLuckie has videos on those 👍

[@OMEGOOLIEBIRD]

Hey, great video! Probably going to save me a lot of money! I want to heat a tank of water for a shower in my van. Can you help me choose which heater to buy? there seem to be quite a lot of variations! Is there really any difference or will any Landrover/Rangerover on do? Can I just have a simple switch in the van to switch it on? Or maybe a timer so it only runs for 30 mins or so? Thanks in advance!

[@lukasbidva3047]

I have installed one of Chinese heaters into my Mitsubishi i-miev for heating. Problem is that it reaches max temperature (or set max temperature) and turns off. I want to keep it running between 70-80 degrees. Would this setup be able to do it?

[@Himoutdoors]

I’d like to use one of these (I have a spare from the car) to heat my shed in the winter. Worth it, or buy a webasto ready made? Thanks

[@forenamesurname4576]

Just get a Chinese diesel heater, will warm up way quicker than a hydronic heater.

[@creativhabitat2371]

Hi! What's the référence of your fuel pump please ? Thanks

[@piotrcudak4974]

Hello. Super video! Thank you for your willingness to share practical knowledge. At the same time, I would like to ask, have you checked if this heater can be controlled by the 1533 clock with the W-BUS signal?

[@forenamesurname4576]

No problem 👍 I've not tried the 1533 timer but have been told that it will work, I can't confirm that though.

[@EmmottKelsey]

W-bus to analog converter link is invalid for me

[@forenamesurname4576]

Here: www.ebay.co.uk/itm/Analog-to-W-bus-konverter-P55F-65x-38x-22-ABS-UL94-V0-Sie-brauchen-keinen-Timer/333436056160?hash=item4da2567260:g:14IAAOSw-6xfNBYi

[@T30coro]

Is it possible to make it run part load ?

[@lancalotspratt]

Excellent informative video, I have mentioned by vehicle further down your page and hope you might enlighten me. Many thanks.

[@forenamesurname4576]

I cannot see your other post

[@daverussell6868]

Hi all What is the start up amp draw on the thermo v

[@forenamesurname4576]

Can't remember, but I think it's around 10a while the glow plug is engaged. Certainly less than 15a. 👍👍

[@sahaautos3503]

hello sir,i have this webasto unit but i dont have control unit to start it.you start it with your computer ,do u know how i start it?im looking control unit,can you help me.thank you

[@forenamesurname4576]

Hi, use a analogue to W-Bus converter, link is in description. With the computer I used webasto diagnostic software it allows you to start the unit; diagnostic USB cables are available on eBay. 👍

[@sahaautos3503]

@@forenamesurname4576 hi sir,i wanted to install to my car,i need wiring loom with control unit to start it,can u help me ?thank you

[@sahaautos3503]

@@forenamesurname4576 hi sir,,,i find in ebay w-bus controller,but my webasto has just 3 wire plug and in ebay item wiring diagram has 4 plug can you tell me how to run this,many thanks

[@bobbelman6666]

Hi, could you let us know if the W-bus analog converter works fine with your unit? I'm thinking about making a central heating system for a boat using a Thermo Top Z/C or V. The V seems much quieter then the Top Z/C so I'm tempted to go that route if the W-bus converter works fine. Thanks!

[@forenamesurname4576]

Hi, I haven't tried the converter yet. Going to try it hopefully later this week. I will be upload a video of it being tested. I used to have a TT z/c and it powered up without the need for an additional controller/converter. I like the TT V or VEVO because they are cheap here in England. Apperently they are limited to a 60min run time though. Easy to get around just ensure switched live to wbus coverter is reset every 1hr.

[@bobbelman6666]

​@@forenamesurname4576 Nice, looking forward to that. Good to know about the 60 min runtime limitation. I was thinking about controlling the heater with an arduino, so that won't be a problem. The TT V is indeed the cheapest and most widely available heater.

[@robinsonlabs]

@@bobbelman6666 Hi, Jonas, i am just waiting for pcbs to come from china, then they will be on my channel and for sale on ebay! They are better than anything you can buy right now! only week away or so. there is a little board on ebay that is called analog to w-bus it works however, the k-line or w-bus is pulled to ground with a push pull transistor arangement which is gross to say the least! my version uses an attiny85 as a watchdog (safety) pic16f628a as main processor for w-bus and a dedicated iso9141 k-line driver chip made by st micro. You see that the ttv has a lin bus driver chip inside so its only right to talk to it with a proper chip.(chip to chip) the reason is that the chip comes with a lot of protection, if you look at the first post of mine then you will get some specs. i have estimated that using a shit cheap vag kkl lead off ebay with an lm339 inside could induce current up to 2 amps to your ttv circuit board which could kill it dead!

[@robinsonlabs]

also i would like to add that the ttv is better fuel efficent because it uses a venturi to meter the fuel as the c uses a mesh and forces air through it to try and atomise, the mesh clogs over time and more fuel is used to compensate. in my exp of thermo tops (2 years now) it would be the v all the way! will this be for a liveaboard or just seasonal? it matters for the running time, also it matters if you want to use it on red diesel. We have been testing burners on white and red and the findings are very interesting! red diesel (not for road use) is not lower sulpher so it seems to be clogging burners up more which leads to expensive burner replacements. We are looking into red diesel pre heaters that heat the fuel just before it is injected into the venturi, in that way the sulpher does not carbon up the unit fast! stay tuned more coming!

[@robinsonlabs]

@@forenamesurname4576 what is the name of this converter? is it analog to w-bus converter 50mm x 50mm green pcb with wires hanging from it

[@stevey500]

Absolutely fantastic video. Thank you. In the sake of using one of these to heat a small camper trailer, does the unit run constantly or can it cycle like a forced air furnace? I get confused by even the genuine webasto/espar timers- they don't seem to work like thermostats.

[@davedaves3832]

Hi all .I have one from a Lond rover.with pump if I get a genuine webasto wiring harness. And genuine controller. Wood it all work oks. it's for my camper van heating thank yous

[@forenamesurname4576]

It should do yeah. As long as you have the same model as me, some of the later land rover ones use can bus as opposed to w bus 👍👍👍

[@davedaves3832]

Oks thank you

[@waynedavis42o]

Iv got one of these and a webasto controller but it wnt start. comes up with wbus error on the controller iv got the yellow wbus from the contoller going to pin 2 on the x1 plug could i have a canbus one ? How would i go about firing it up if it is ?

[@Sloba1992]

Would be nice for semi truck Diesel engine

[@Foundmylsswap]

Do you think the 8kw unit actually puts out what it claims? 27000 BTU’s?

[@forenamesurname4576]

The webasto units put out their rated output no problem. It's the Chinese units that don't always meet their claimed output 👍

[@Jordan-nd7jp]

Hi have you had chance to play with the converter from eBay ???

[@bobbelman6666]

I have it and it works fine!

[@forenamesurname4576]

I have it works well. It did not work with the TT Vevo removed from a Discovery 4 however it was fine with a TT V removed from a Discovery 3.

[@robinsonlabs]

try it in software as thermo top c (bmw) if it starts up let me know!

[@forenamesurname4576]

I tried that with no sucess

[@chrisamick6720]

coool

[@geomatrix6481]

Is it possibly to use a non genuine timer?

[@forenamesurname4576]

Yes. But you must still use a wbus converter.

[@peterparris3056]

Need you to come and make mine work I'll pay you