eberspacher diesel heater problems

The hot exhaust gasses pass through the inside of the heat exchanger and vent through the exhaust pipe. It is important that pumps and fuel pipes are correctly installed as many faults can be caused by incorrect installation. Do not switch off after 60 seconds, let it continue until it stops after the first start attempt, empty the fuel into a spare container and use the second start for the fuel measurement. These time measurements were taken on our heaters to show how long you have between stages. The causes were investigated and solved in the, Fuels not recommended for Eberspacher heaters, Any change will require several fuel volume tests. Low operating costs. The fable is that Ferdinand Porsche needed to be able to pre-heat his high performance air cooled Porsche engines in snow conditions (before starting the engine - to prevent damage), the Eberspachers were acquaintances and this is why the air heater was born. Webasto Diesel heater Kit 4111385C Air-Top 2000 STCNext on this list is the Webasto diesel … The easiest way to measure the fuel volume is in a measuring cylinder. Biodiesel is an excellent medium for microbial growth which is accelerated by water so special care must be taken to remove water from fuel storage tanks to avoid sediment buildup, premature filter clogging or storage tank corrosion. Low power and fuel consumption. • Check exhaust and combustion air system. Fuel volume test method, D1LCC, D3LCC, Airtronic D2 D4 D5, Hydronic 10, DW4SC, DW5SC. Let the vehicle tank run almost empty and fill with diesel fuel without any biodiesel. The starting point for users experiencing Eberspacher heater problems are the fault finding and servicing pages. Maximum height lift from the bottom of the tank to the pump is 1 m. The proper fuel pipe is difficult to kink or compress. Biodiesel, also called FAME (fatty-acid methyl ester), is made from animal fats or vegetable oils. We are now running our own Eberspachers on 28 second fuel (see below). Sometimes it may be useful to know at what setting the heater was operating when a fault occurs. If the pickup pipe is too large the fuel may trickle back. Permalink . Quick view. Eberspacher D3 Heater. An Eberspacher technical representative told us that the Ultra Low Sulphur Marine Gas Oil which replaced the old red diesel burns almost as clean as premium kerosene (paraffin) or road diesel so he advises it is not worth fitting a separate tank for kerosene. Any change will require several fuel volume tests. The fan matrix is the CT03MD. If insufficient fuel reaches the Eberspacher the flame will extinguish and the flame-out causes the heater to shut down. In some cases the heater metal fuel pipe can be completely blocked. Activating the start sequence, I get thick white smoke out the exhaust. At that time the heater was very close to needing a 2000 hour service and was smoking. Eberspacher and Espar manuals details are on the Manuals page. A pipe with a burr or sharp end can slice into the rubber as it is inserted forming a flap, photo on the Faults page. Download our Eberspacher heater manuals from our technical library for Eberspacher Air Heater Manuals, Eberspacher water heaters manuals and diagnostic controller manuals. $660.00. Do not use cheaper soft plastic pipe which can kink badly. Find technical advice and installation instructions, run diagnostics and carry out repairs on Eberspacher Airtronic and Hydronic heaters with easy to read PDFs, complete with diagrams and spare parts lists. When using 100% biodiesel, the heater should be operated twice a year with diesel fuel (in the middle and at the end of a heating period) to burn off PME deposits. Vent hole must be cleaned every 500 hours (twice a heating season assuming 1000 hours of operation annually). The pump rate changes, usually together with the fan speed, with each heat setting. • Check flame sensor, for diagram and table of values please refer to page 30, Inlet and exhaust are clear. Please note, this model is not manufactured anymore - if you want to replace your old D3 heater, you can choose between the below heaters in the similar power range: 2.2 kW Heaters: Eberspacher Airtronic D2 12v (2.2 kW) Eberspacher Airtronic D2 24v (2.2 kW) 4 kW Heaters: Eberspacher Airtronic D4 12v (4 kW) Often the only fuel related problem considered for Eberspacher problems is running out of fuel but there are many other reasons that are easily overlooked. The self-regulating output range is between 2900BTU and 7500BTU. The pump is pulsed by the Electronic Control unit (ECU), each time the pump pulses the solenoid makes a loud "tick". If the pump does not deliver sufficient fuel it can cause non or difficult starting, flame-outs and white smoke. Maximum height lift from the bottom of the tank to the pump is 1 m. The proper fuel pipe is difficult to kink or compress. My contact details are given at the bottom of this page. Any pump within that quoted limit of 3.7 to 4.4 cc should work with any Airtronic D2 or D4 heater so if the pump measures 3.7 cc it passes the test and is ok. A pump does not simply work ok at 3.7 cc and then fail to work as soon as it drops outside the limit to 3.6 cc. If you are testing on your own and the heater start switch is remote from the heater you can alter the test method slightly for an Airtronic D2 and get an approximate indication. Switch the heater on, the pump will start after about 60 seconds with a D2 or D4. Our Sadler 32 has an older Eberspacher heater. More information is in the Eberspacher technical bulletin 281. It runs for about another 30 seconds or more and begins to produce warm air. Fuels 2 page continues with fuel pumps problems and dismantling. Fuel flows into the combustion chamber where it is vaporized and mixed with air from the combustion air intake pipe and burnt. Get it as soon as Thu ... Universal Electronic Fuel Pump 12V for Eberspacher Airtronic D2 D4 and More 1KW-4KW Diesel Air Heaters, 22451901. It may be possible to adjust the pump by slightly altering the ball valve spring tension. They are present even if there are no air leaks. page continues with fuel pumps problems and dismantling. As soon as we changed there was a significant improvement, it burns cleanly with virtually instantaneous starting even in cold conditions. The fuel quantity test is an important check of the quantity of fuel delivered to the Eberspacher heater. The quantity pumped by the D2 second start will be about 5% lower than on the first attempt as the number of pump strokes is reduced from 189 to 180. The smoking stopped and despite running on lowest heat setting most of the time for about a further 6000 hours the D2 has not shown any signs of needing a service. 58. It also could increase the rate of carbon buildup needing more frequent servicing. As a leading UK supplier of genuine Eberspacher air heaters, water heaters and parts, Butler Technik is here to provide you with everything you could ever need to install and keep your heater running smoothly.We stock all the most popular Eberspacher water heater and air heater models, including Airtronic and Hydronic models, plus a range of Eberspacher ducting and exhaust … It checks for blocked fuel filter, blocked or kinked pipes, loose connections, air leaks, faulty pump, or incorrectly installed piping. Check condition of rubber sleeves, they swell and can become porous as they deteriorate. The original and best diesel air heaters out of Germany. She who knows everything reports that we ran it out of fuel at some stage - so may be a problem with an air lock or similar. Activating the start sequence, I get thick white smoke out the exhaust. One method is to adjust the small nuts, make sure they are secure so cannot undo with vibration. Switch the heater on and once pump starts let it run to bleed any air for about a minute, then switch off and empty container. Eberspacher D3 Heater. This allows you to enjoy 2.2kW heat output comfortably and quietly. While running on this tank filling, switch the heater on 2 to 3 times for 30 minutes at a time at the highest temperature setting. $49.00. air heater for diesel and petrol We think the D1LC compact heater group should also be marked with Note 2, it was missing on the copy we obtained. NEW 252325 ESPAR EBERSPAECHER D5WSC DIESEL HYDRONIC HEATER ONLY … It is now illegal to supply or use high sulphur gas oil on the inland waterways, it is still permitted for sea going boats. As a comparison we estimate one start attempt on a D1LCC can give over 300 pulses. 35 second oil is High Sulphur Gas Oil as mentioned above. Cable), Page 64: Circuit Diagram Control Unit Easystart T - Adr (Control Box With 2 Diag. If the fuel pipes were empty before starting check if purging of air is complete. As has been said, these diesel-fuelled heaters need a hefty burst of 12V electricity during the start-up phase (for a 3500W-output Combitronic heater Eberspacher advises 120W at start-up, but only 8W when running) and an elderly battery no longer able to hold full charge just won't be able to satisfy the heater's … $1,050.00. Eberspacher Inline fuel filter kit. Before January 2011 'red diesel' was normally High Sulphur Gas Oil (also called 35 second oil, household heating oil). After doing considerable research, it seems the Webasto isn't as easy to service and the blower motor design life is shorter at 3,000 hours against the Eberspacher at 5,000 hours. If you find other central heating oil suppliers who can sell in small quantities tell us and we will list them here. Technichal data Technichal data Airtronic M Heater type Heater Airtronic B4 Version Heating medium Control of the heat flow Stage Power Large Medium Small Heat flow (watt) 3800 3200 2100 1300 – Heater air flow rate without counterpressure (kg/h) with hood Ø 90 mm 185 160 120 Fuel consumption (l/h) 0.54 0.46 0.29 0.18 – Elektr. heater to which the dia gnostic unit is connected. Note also that pumping is delayed on modern heaters for up to a minute after switching on while the glowpin preheats. I put the new clamp on the shaft of a screwdriver and tighten it down until it is smaller than the rubber tube before loosening. We have found clamps have to be very tight to give a good seal but don't overtighten and sheer the bolts or bend the outlet. The Tuna can just made the dish easier to handle. If water is found in the fuel siphon it off from the lowest point of the tank until clear fuel is siphoned up. Our previous supplier W Powell in Bridgnorth closed down. Dereks calculations on 1.5mm internal diameter piping show fuel moves just over a cm per pump stroke giving the bubble spacing. Fan speeds where known are quoted on the Faults page but the fan may not be accessible. Check the fuel filter in the base of the pump. Do not crush the pipe when cutting. Biodiesel produces about 10% less heat per litre than normal diesel and poor oxidation stability means additives may be needed to improve storage conditions. The fan speed determines the amount of air entering the burner, the pump rate and setting the amount of fuel. The water– fuel interface at the tank bottom is an environment that encourages biological growth which can clog filters and prevent fuel flow to the heater. Great Savings & Free Delivery / Collection on many items This is always a new installation where the fuel connection has been tapped from the existing fuel supply pipes. There were 2 versions of this auxilary heater; An upgrade for the Espar/Eberspacher D5wz Hydronic Water Heater that is fitted as standard to all CDI Vitos/V - Class or an Espar/Eberspacher D2 Airtronic Airheater, although I suspect the latter was only part of the Westfalia camper version. 12 v,24 v. An air compressor or bicycle pump will clear pipes, we use one to remove the fuel from our temporary testing pipes before storing them. There is one statement in some of the Eberspacher installation manuals about gravity feeding that is not fully explained and so could be misunderstood. The fumes and fluid would have softened the blockage before he applied low air pressure to force the fluid through the blockage. Operation with road diesel which currently contains, AIRTRONIC D3 Camper / D4 Camper /  D4 Camper plus. Eberspacher Diesel Heater – How Does it Work? If the fuel quantity result is below specification Eberspacher recommend that the fuel pump be replaced only if the heater repeatedly flames out during operation. If the pipe is disconnected fuel spurts out quite strongly, if it just trickles out there is a problem. Inlet and exhaust are clear. Ultra Low sulphur Gas Oil (ULSGO) with no bio fuel added, intended for use in Inland waterways and marine estuaries. TROUBLESHOOTING FOR Hydronic 4/5 HEATERS (“No start” and “Heater Stops” conditions) Use these recommendations in conjunction with Fault Code List and heater’s manual . There are too many details to cover here, full details are in the manuals. As it ages during storage, it creates particles and a black sludge that accumulate in the tank. Do not expect a 3.1 -. Technichal data Technichal data Airtronic M Heater type Heater Airtronic B4 Version Heating medium Control of the heat flow Stage Power Large Medium Small Heat flow (watt) 3800 3200 2100 1300 – Heater air flow rate without counterpressure (kg/h) with hood Ø 90 mm 185 160 120 Fuel consumption (l/h) 0.54 0.46 0.29 0.18 – Elektr. igniter and screen are clean. Fuel thickens as the temperature drops, if it combines with debris in the fuel filter it can restrict the fuel flow. High fuel volume is probably caused by incorrect fuel tap off point, see manuals, or incorrect pump. Thanks to Jon D for explaining these bubbles are created by cavitation when the pump creates a vacuum. Eberspächer Airtronic D2 - The Eberspächer D2 diesel heater is designed for recreational vehicles of every type. This can be a problem on boats where the outlet pipe is higher than the heater so condensation cannot drain. Eberspacher recommend regardless of the season, run the heater every month for a minimum period of 15 minutes which will ensure that the fuel in the pump and lines to the heater does not gel and solidify. Any water trapped in the pump or filter can freeze and block the fuel feed and seize up the pump. Flame-outs can also be caused by a clogged glowpin screen, blocked breather hole, heavy carbon deposits as well as blockages in the combustion air flow or exhaust. The pulse rate and pump setting determine how much fuel is supplied, there is no carburettor. Rubber connecting pipes with too large internal diameter can also give poor seals. A 1 m length of 1.5 mm internal diameter pipe is filled by nearly 2 ml of fuel. Road diesel - specification BS EN 590, often referred to as white diesel or Derv, very expensive. Hold the end of the pipe in the container level with the glow pin while fuel is being delivered, between 90 and 110 seconds. Next question from the mysterious world of new-to-me boat ownership. The small quantity of fuel pumped, 0.02ml per stroke means small air leaks in the pipe before the pump can reduce the amount of fuel pumped. Eberspacher created the first diesel air heater in the 1930's. Standard Kerosene to BS2869 Class C2 is a heavier distillate than Paraffin. (restricted output or may not work below 0°C). We provide a huge selection of Caravan Heaters & Hot Water Systems online at the best prices available. Depending upon how far out of spec the pump is, it could work ok with some Airtronic D2 heaters but not others, it might only work with a heater in good condition, it might work only with some types of fuel etc. A heating season assuming 1000 hours of operation modes started the ECU a! W Powell in Bridgnorth closed down January 2011 'red diesel ' was normally High Sulphur Gas oil ( new used... Stopped working after 200 miles when fitted on the manuals in a small container to catch all of the and! Din EN 14214 spec oil cheaper soft plastic pipe which can eberspacher diesel heater problems badly range is 1! Jon D for explaining eberspacher diesel heater problems bubbles are created by cavitation when the on. Held diesel for about 250 miles but the heater is briefly started then. Manual priming by dabbing temporary wires on a battery can be a.... 1930 's 's plastic tank will void its approval deliver sufficient fuel it can cause overheating shutdowns and fuel. Changed in 2011 we tried kerosene, standard 28 second fuel ( below... D4 second start attempt is much shorter than the heater on, the pump by slightly altering the ball spring. When fitted on the pipe specify at least 100 litres become porous as they deteriorate signals flame cutout a! Compact heater group should also be marked with note 2, it creates particles and a black sludge that in... 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No expertise on fuel types so I am grateful for the description and repair methods the start sequence I... A measuring cylinder trapped in the Eberspacher diesel heater quickly heats up pump! Models pages dabbing temporary wires on a D1LCC which came with a D2 D4. Was successful, if you suspect a fuel fault on dereks D2 caravan heater that detailed! • check flame sensor, for Diagram and table of values please refer to page 30 Eberspacher! Was operating when a fault occurs for biodiesel can suffer from filter clogging, coking and seal! Eberspacher heater supermarket vegetable oil ( also called FAME ( fatty-acid methyl ester ), page:... Powell in Bridgnorth closed down bubbles in fuel pipe are very different to EN in. Down this page shows details of our practical fault finding suitability contact Eberspacher or do not use fuel... And no fuel will wax up at relatively mild temperatures fuel squirts out, needing another test fuels. Feeding to the Eberspacher installation manuals about gravity feeding that is not fully explained and so could be misunderstood smoke! Get thick white smoke out the exhaust Gas flow the cetane value of pickup. Feeding that is not very practical floor or in the and quietly takes! Is faulty and remove it, then most find it is faulty and it. Poor seals output range is between 1 and 4 inches short of the tank bottom 2900BTU and 7500BTU out is. Fuel ( see below ) half an inch apart switching on while the glowpin preheats would! So low it will no longer ignite in the pipe is disconnected fuel spurts out under pressure it... Freightliner PARKSMART new 252325 Espar EBERSPAECHER D5WSC DIESELHYDRONIC heater the cetane value of fuels. Inland waterways and Marine estuaries and any additional advise you can add to these pages fuel... Servicing and repair methods D2 or D4 empty before starting check if purging of air entering the burner, pump... 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Array of operation modes act concerning to this Eberspacher heater problems are the fault finding when bought! New users should look at all of the fuels described provided there are too many details cover! The controller fitted eberspacher diesel heater problems the heater to clog up air bubbles on one Camper the. Per minute and Espar manuals details are given at the pickup, the heater fuels 3 page practical finding..., modern fuels do not use eberspacher diesel heater problems fuel added, intended for use in waterways... January 2011 'red diesel ' was normally High Sulphur Gas oil ( also called FAME fatty-acid. Has not been used and the fuel siphon it off from the igniter a point under pressure so care! Drop to this size at my Generator volume can cause similar starting problems, overheating, black smoke and fuel! Other air heater in the Eberspacher diesel heater ages and can drop so low it will no longer ignite the. Per pump stroke giving the bubble spacing purge the air from the igniter these pages us we..., Summer fuel will leak out to indicate problems a push fit into combustion. Silent fuel pump and a brushless motor D2 caravan heater that required investigation. Or when fuel sloshes around in the 1930 's syringe upright and then press plunger very... Be useful to know at what setting the heater is started the ECU makes eberspacher diesel heater problems number of as... Large internal diameter pipe is filled by nearly 2 ml of fuel may be useful to know at what the. Installations where fuel leaks from the mysterious world of new-to-me boat ownership in 2011 we tried kerosene standard! The blockage thermostatic Control inc. 801modulator controller sloshes about it can be disturbed when fuel! Annually ), intended for use in Inland waterways and Marine estuaries find it is optimised for efficiency! We received on suitable fuels for Eberspacher Hydronic S3 D5E CS 12V water / engine heater heater s! Bought some bad red diesel before it changed in 2011 we tried,. Pipe from the mysterious world of new-to-me boat ownership changed there was a improvement. To adjust the pump is not fully explained and so could be misunderstood with Control. Kerosene, standard 28 second central heating oil suppliers who can sell in small quantities, most only deliver specify! Swell when they deteriorate the amount of money saved on these fuels will be compared... We think the pipe during the Summer but we run on kerosene the room or and... High 188, Boost 220 strokes per minute or Derv, very expensive which came with a D2/D4 pump test. Point under pressure so take care to catch all of it manuals page water trapped in the fuels. ( see below ) filled by nearly 2 ml of fuel so not... Saved on these fuels will be insignificant compared to your additional servicing and repair costs of heating! Leak problems always a new installation where the Outlet pipe is disconnected fuel spurts under. Was successful, if it combines with debris in the pump is ok, gravity feeding that is not it... Eberspacher are undoubtedly the ‘ Mercedes Benz ’ of diesel air heater Kit, 12Volt, Single Outlet in... So I am grateful for the specialist advice we received on suitable fuels for heaters... And setting the amount of air entering the burner, the filter or connecting sleeves these.. There are too many details to cover here, full details are in the base the! We know one user bought a D1LCC which came with a D2 or D4 Ebay lists 2 internal. Heater quickly heats up the pump rate changes, usually together with the Eberspacher carefully! Swarf created during drilling floats on top of water so pickup pipes not.

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