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TwelveSticks
Member Since: 16 Jan 2010
Location: Dublin
Posts: 798
  
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Thanks for the continued testing and feedback Flack.
What equivalent fan speed would you say you now have it set to (in terms of notches on the normal control dial)? 2001 D2 GS (I must be mad!)
2005 D3 S 10-12 (gone and missed)
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 29th Jan 2011 3:30 pm |
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BIG DJ
Member Since: 16 Apr 2010
Location: Heathrow
Posts: 81
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Very Annoyed wrote:It has finally arrived! Now where is my fitting monkey?
How's the fitting of yours going VA?
Could have done with mine this morning. I was bloody freezing.
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| 29th Jan 2011 4:34 pm |
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dick dastardly
Member Since: 29 May 2007
Location: wiggleigh bottom
Posts: 1112
 
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Flack wrote:dick dastardly wrote:never had a burn longer than 60 mins despite setting for 90 minutes. repeat burn much shorter (already hot). now that weather is a bit warmer burn time seems to have decreased to 45 mins.
But you run yours off the oval timer don't you bud...and not on the WBUS..
Flack 
I have no oval timer. just GSM configured to output +12v which goes into my danhag wbus converter (looks like the gsm unit but without the aerial - legacy purchase from when i was using a webasto T90 remote to supply the 12v switch signal). the wbus converter is configured via dip switch to output ttv-standheizung protocol (extended wbus) which seems to allow more control over the ttv fbh than simple wbus (fuel pump actively clicks, no reservoir limit).
limit seems to be temperature related. dont know how gsm unit knows about correct coolant temp because it is only indirectly connected to fbh via 12v switch to wbus converter. might just be measuring temp of glove box  There's one wheel on my wagon, but i'm still rollin' along, it's the cherokee, they're after me, but I'm singing a happy song
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| 29th Jan 2011 5:36 pm |
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mallo
Member Since: 10 Feb 2009
Location: Jersey
Posts: 351
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Hi Ceekay
I have just PM you.
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| 29th Jan 2011 8:33 pm |
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Very Annoyed
Member Since: 19 Nov 2005
Location: Up there, past the strange people and the sheep.
Posts: 3698
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BIG DJ wrote:Very Annoyed wrote:It has finally arrived! Now where is my fitting monkey?
How's the fitting of yours going VA?
Could have done with mine this morning. I was bloody freezing.
My monkey isn't returning my calls!  Loving the power of the TDV8!
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| 29th Jan 2011 8:34 pm |
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mallo
Member Since: 10 Feb 2009
Location: Jersey
Posts: 351
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VA
Perhaps he doesn’t like being called a monkey!!!
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| 29th Jan 2011 8:47 pm |
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Ceekay
Member Since: 17 May 2009
Location: Bury
Posts: 2089
 
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Flack
Good testing pal cheers for that. Do you know where abouts the needle was sitting on the temp gauge when you were gettin them temp readings? Mine only seems to sit just above the blue after 30min burn and thinking they may vary depending how good your fbh is? Also noticed that i switch it on using the perm feed that after 30mins the fbh shuts down but the fans keep blowing what then becomes cold air!
Also if your screen still doesnt completely defrost you can always swich the hvac in the car off auto and onto screen the night before which is abit of a pain but it does work.
Thanks for your comments on the traxide system as well guys will hav to raid my piggy bank again soon though the optima has already cost a fortune.
Cheers Ceekay D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still…
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| 30th Jan 2011 3:02 am |
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Ceekay
Member Since: 17 May 2009
Location: Bury
Posts: 2089
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Mallo
Have replyed to your pm
Cheers Ceekay D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still…
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| 30th Jan 2011 3:13 am |
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Ceekay
Member Since: 17 May 2009
Location: Bury
Posts: 2089
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Flack
Was just thinking. Have you managed to take a current reading from your aux batt when you increase the fan rate? Was just wanting to confirm that the danhag system is indeed supplying power for the fans when it is in charge? If so you should draw more current as you increase fan speed?
Cheers pal D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still…
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| 30th Jan 2011 3:16 am |
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Flack
Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6300
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Ceekay wrote:Flack
Was just thinking. Have you managed to take a current reading from your aux batt when you increase the fan rate? Was just wanting to confirm that the danhag system is indeed supplying power for the fans when it is in charge? If so you should draw more current as you increase fan speed?
Cheers pal
No bud not checked that, after all the testing I did yesterday the battery was still ok and the car started fine, The FBH is still using the cranking battery but the fans run off my aux battery should be able to get a very long time run from my spare battery.
As for my temp gauge was about the same as you had on yours, I finish work at 06:30 ish in a morning and when my car was stood out at work all night in the minus 10 and -15 temps we had here my temp gauge was about the same as when I run my old GSM setup before I fitted the new one.
If your fans are still running when you shut the FBH down after initiating a start from the manual switch then something is wrong, when I use my switch the FBH shuts down goes through the shut down procedure and the fans stop instantly, so if your fans are still running then you need to check your wires.
flack 
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| 30th Jan 2011 10:54 am |
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flydive
Member Since: 21 Aug 2007
Location: Lugano
Posts: 1535
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So Flack, you confirm full success with the faster fans speed?
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| 30th Jan 2011 11:27 am |
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Flack
Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6300
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flydive wrote:So Flack, you confirm full success with the faster fans speed?
Well bud I would not go that far but I used a probe temp gauge to check it all and you can't argue with the temps, it seems a lot better but would still like to see more airflow to the screen.
You can get more airflow to the screen if you shut your car down and leave the top airflow button engaged when the GSM fires up this seems to work better.
But I thought the IPCU would have better control with airflow as in my previous message's, I think the setting should be 60 - 40 split with the screen getting more.
Whats Daniels take on this.
But yes my car seems better with faster fan speed... I would think I am 3 to 4 notches on the manual fan speed switch now.
Flack
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| 30th Jan 2011 11:34 am |
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flydive
Member Since: 21 Aug 2007
Location: Lugano
Posts: 1535
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Well yes, with the current IPCU split settings, I understand faster speed is good.
I might try to contact Daniel next week on the vents split
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| 30th Jan 2011 11:42 am |
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berndv
Member Since: 08 Feb 2010
Location: Gorinchem
Posts: 199
 
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Did some testing this weekend and came to a few interesting conclusions.
Firstly I am afraid the fans do not seem to be getting their power from the aux battery connected to the red wire.
My fluke measures only around 200 mAmp drawn by the red wire WITH the Fans running.
There is also 300 mAmp going through the black wire when the fans are running. As there is a permanent +12v on the light green/white to which the black one is connected, this 300mAmp current might also be drawn from the Danhag system.
From my experience this few hundred mAmps are not enough to keep the fans running at even a mediocre speed.
I think the fans are getting their main power from somewhere else. This seems also logical as the wires on the back of the hvac panel might not be thick enough to cope with full speed running fans.
Then I did some measuring straight from the battery.
While asleep the car draws 600 mAmp. When the fbh is fired, it tops to around 30 amp but when running steady, around 10 Amp is drawn form the battery. When the fans kick in, about 1.5 more amp is drawn.
Now for the flaps, vents and fan speed. With the ignition on and then connecting the black wire to the green/white, I can hear a thumb. I never hear this thumb when operating the fbh though. I have checked and double checked the wires and all seem ok.
When I disconnect the black wire with the danhag running the fbh, the fan stops. So the black wire has something to do with the fans as well.
The way I see it, the Danhag does not control any flaps apart from restoring them in the position they were in when the engine was last switched off. It seems that only the windscreen vent needs restoring as this one closes slowly after the engine was shut off. More likely this is done by gravity than by the electrics shutting it. The other vents seem to keep their position pretty well when the engine is off.
When the HVAC is running in Auto the flaps can be in virtually any position when the engine is turned off. If by chance most flaps are (almost) closed, the fan will be spinning without creating much air flow and thus not cooling the system down.
When the engine is switched of with all air pointing to the windscreen, there will be much more airflow from the same fan speed thus resulting in a lower air temp coming from the vents.
I asked Danhag what their system should do with the flaps a while ago but until now, there is only silence coming from Berlin.
Hopefully they will answer to Flydrive.
Bernd
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| 31st Jan 2011 5:25 pm |
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Ceekay
Member Since: 17 May 2009
Location: Bury
Posts: 2089
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Bernd
Nice testing cheers for that pal makes you think even more really but good to know. The fans not actually obtaining their power through the danhag system doesnt surprise me . That why i was askin flack if he had measured the current. I suspect the danhag system tells the LR computer to start up the fans bypassing the ignition.
Surprised Danhag have gone so quiet thought they would want to get to the bottom of these matters which would make selling more alot easier one would think? Or at least answer peoples questions if only out of courtesy.
Thanks for the info, Ceekay D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still…
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| 31st Jan 2011 9:23 pm |
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