Hot air will blow but except the top air vents. The top ones are only for cold fresh air. You have to keep them closed if you want only hot air in the cab.
@scottnicholetwobysprinter8756
6 ай бұрын
Edit: the lower button is to enable the internal timer (amber light)
@GWAYGWAY1
4 ай бұрын
I have a Hymer motorhome on a sprinter base chassis. It has one of these BUT they have disabled the software so that it only runs when the engine is running, I would like to have it as a preheating and tameable unit but that function was disabled.all our starts are cold block starts and only when the motor is warming does the auxiliary heater start to go. The heater is now called a heater booster and that is what it does but hardly noticeable and certainly of no use for what it was meant for. I cannot find out what was done to the software or why it was done. Not worth having it without that early start function to help the cold start.
@Memyselfandvan
5 жыл бұрын
Thats so much for your video, I have the H12 in my VW Crafter, which is basically the same as the Sprinter, my H12 is fitted in the exact position as yours. I followed your instructions, and have a couple of differences. Pressing and holding the top button, it lights up green on mine, not red like yours. Pressing the lower button switches the heater on, and everything went the same as yours did with one slight variation, with the heater cranked up, I'm only getting warm air from the two front centre vents, the two vents on top of the dash blow cold air. Do you know where I can find the user manual for the H12 fitted this way? My espar is programmed within the dashboard, but being a 2011 model, I don't have the large display like on later models, and no steering wheel control;s either, so programming the timer is quite confusing, no manual came with my van. Thanks again.
@scottnicholetwobysprinter8756
4 жыл бұрын
Memyselfandvan The manual should be online at : www.mercedes-benz-vans.ca/files/en/manuals/2017_Mercedes_Benz_Sprinter_Operating_Manual.pdf Pg 108
@arokit
4 жыл бұрын
Thank you for making this video, any chance you have one for the Timer settings, I cannot seem to get mine to select a timer entry, it keeps booting me back out to the KM read out.
@scottnicholetwobysprinter8756
4 жыл бұрын
Alesis Rokete I haven’t made one for the timer...did you find out how?
@@scottnicholetwobysprinter8756 Thank you so much. I have two Vans one with Steering and one without Steering controls, this covers them both. Appreciate it!
@koningbolo4700
4 жыл бұрын
I am not sure if you still have this vehicle but I like to know how the pre-heater is plumbed in. Where the hoses run and where they connect to the engine/heater circuit. Could you be willing to show how it is plumbed please??
@scottnicholetwobysprinter8756
4 жыл бұрын
Sander Tel This is the MB factory H12 option. It is plumbed in to the coolant system.
@freightshayker
5 жыл бұрын
Hey friend, Dave here Is it true the heater will only work if outside temp is something like 39-degrees Fahrenheit ? As well, do we need to leave the pre-heater running for 40-minutes before starting van ? Lord Jesus bless
@scottnicholetwobysprinter8756
5 жыл бұрын
David Almeroth yes. 39 or lower
@twowheeledsmurph
6 жыл бұрын
Hmmmm. I have this same heater on my 2013 Sprinter 2500 but I don't have a switch on the dash. Off to find out how it turns on!
@jasongoodwin7821
6 жыл бұрын
I have the same. Please post a reply if you find out
@randomlyinteresting
5 жыл бұрын
Same
@Memyselfandvan
5 жыл бұрын
You guys without the dash switch, you may have an EASYSTART Connect control panel somewhere, or in some cases, you could have a key fob control, its possible the previous owner didn't give you this remote?
@twowheeledsmurph
5 жыл бұрын
Michael Aldridge - turns out I have a switch on the left side of the dash - but only runs when the vehicle is running. It also puts off a funky smell in the van when running. I’ll assume diesel exhaust. I’m getting an error code 9304 on my reader.
@Memyselfandvan
5 жыл бұрын
Check the spar website, there's a download section for fault codes, sounds like you may have some kind of contamination in your air ducts.
@iamsebastian5325
3 жыл бұрын
What't the auxiliary heater for?..I'm new to sprinter van but I bought 2012 sprinter van that has it.
@daniellele9634
2 жыл бұрын
I think to heat the cars engine and aslo the inside of the van
@cender301309
6 ай бұрын
i have the heater under the car but i dont have the switch, just for the int. booster. anyone know how i can just get it to work without going to the dealer
@scottnicholetwobysprinter8756
6 ай бұрын
Depends on the model year. If you have a 2015-2018 the booster works below 39 degrees. Let me know if you have any success
@toobglued
4 жыл бұрын
is that a 4wd shaft leading fwd?
@scottnicholetwobysprinter8756
3 жыл бұрын
toobglued That is a 4WD shaft
@tc3imagery
10 ай бұрын
Is that the auxiliary heater, or the heater booster?
@scottnicholetwobysprinter8756
10 ай бұрын
It’s the H12 option listed as a heater. I believe the booster is only on while the van is running
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