lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
  
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Maybe fbh starts up then melts the snow, ecu sees a fault and shuts it down, so yes it is/was running but only for a very short period of time?
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 24th Jan 2022 10:03 pm |
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kevofcov
Member Since: 06 Nov 2007
Location: Other end of M69
Posts: 532
  
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| Re: Webasto working but little heat to engine and cabin |
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Dennisvogelius wrote:Hey guys. My disco4 webasto start and work sort of good
Problem is that I find that is am getting to little warmth in the cabin. It barely melts snow and ice. Secondly is the engine cold still when starting and it takes a while before warm
This is normal. 20 - 25 mins burn time is not enough. I'm in the uk. It has just started to melt a bit and Fbh turns off. Thanks LR. I read somewhere that this is save the battery.....
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| 18th Apr 2022 11:23 am |
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Motolab
Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815
 
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As stated earlyer here…
It needs at least 45 or 60mins runningtime as a parking heater in a 3l engine…
Fitting a semi traction battery will solve the battery drainage issue….
Running time can be lengthened by a W-bus command through (some (if not all) Webasto telestarts or a Altox remote… for instance….
To explain, a FBH is ONLY capable to warm the coolant with one or two degrees celcius (depending on the outside temp) in one “cycle”.
So… the bigger the coolant volume (the bigger the engine) the more cycles it needs…to warm the coolant and the metal and the inside air (who are also cooling the temp of the fluid again) so it needs time!
it also makes sense to delay the cabin heating… till the engine is at a certain temp…
You can do this by adding a “valve (electronically operated by the webasto) or a bypass valve, and or delay the cabin heating through a Altox… (like i do now) Best regards
Harold
Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year
Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. 
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| 18th Apr 2022 11:57 am |
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