Eberspracher Airtronic D2 Operations Instructions

1Eberspächer ®AIRTRONIC D2 / AIRTRONIC D4Valid for the following heater versions:AIRTRONIC D2 AIRTRONIC D425 2069 05 00 00 - 12 volt 25 2113 05 00 0

10Fault diagnosis with the module clockIf the controller has detected a fault when the heater isturned on or during heater operation, then the modulec

11––– AUSHeatingTesting the operator control unitOrder no. for the testing instrument –operator control unit 22 1509 89 00 00Before testingConnect the

12Fault code / Description of fault Comment• Remedy000 No fault –––004 Warning: •Disconnect connection S1/B1 at AIRTRONIC. At connector B1, PIN 16,Sho

13Fault code / Description of fault Comment• Remedy015 Operating blocked Fault code 015 is shown when AIRTRONIC is switched on again after faultcode 0

14Fault code / Description of fault Comment• Remedy047 Dosing pump – short-circuit or overload •Disconnect connector from dosing pump, if fault code 0

15Fault code / Description of fault Comment• Remedy062 Operator control unit interrupted •Disconnect connector from operator control unit and measure

16Circuit diagram – AIRTRONIC D2 / AIRTRONIC D425 2069 00 98 01 0A

17Parts list1.1 Burner motor1.2 Glow plug1.5 Overheating sensor and flame sensor2.1 Controller2.2 Dosing pump2.7 Main fuse12 volt = 20 A; 24 volt = 10

18Circuit diagram, control elements – part 1Parts list3.1.11 Operating unit3.1.16 Momentary-contact switch3.2.12 Timer (optional)3.3.6 Radio receiver

19Circuit diagram, control elements – part 2Cable colourssw= blackws= whitert = redge= yellowgn= greenvi = violetbr = browngr = greybl = blewli = purp

2Area of use of the AIRTRONICTaking into consideration their heating capacity, the stationaryand auxiliary heaters ‘AIRTRONIC’ are intended for inst

20Circuit diagram – AIRTRONIC D2 / AIRTRONIC D4 – GGVS / TRS 003 / ADR / ADR 99Cable colourssw= blackws= whitert = redge= yellowgn= greenvi = violetbr

21Parts list1.1 Burner motor1.2 Glow plug1.5 Overheating sensor and flame sensor2.1 Controller2.2 Dosing pump2.7 Main fuse12 volt = 20 A; 24 volt = 10

22Circuit diagram, control elements – GGVS / TRS 003 / ADR / ADR 99

23Parts list2.15.1 External temperature sensor, room temperature3.1.11 Control unit, round3.2.8 Module clock (GGVS / TRS 003 / ADR / ADR 99 – potentio

24Please note during servicing!During repair work, the AIRTRONIC must always bedisconnected from the power supply.For this purpose, disconnect the con

25Assembly drawing AIRTRONIC D2 / D4Parts list 1 Combustion air blower 2 Seal – combustion air blower / heat exchanger 3 Combustion chamber 4 Seal

26Removing the cover from the AIRTRONIC (see picture 1)Unlock both seal plates, lift cover and take up to the front.Note:The cover must always be remo

27햲Removing the glow plug• Remove the AIRTRONIC cover (see fig. 1)• Remove the controller (see fig. 2)Disconnect the connector of the glow plug cable

28Removing the combi-sensor (overheating sensor /flame sensor)• Remove the AIRTRONIC cover (see fig. 1)• Remove the controller (see fig. 2)Disconnect

29햲햳Drawing 2햲 Special tool – only necessary for AIRTRONIC D2햳 Combi-sensorFig. 6햲 Special tool – only necessary for AIRTRONIC D2햳 Combi-sensorInstall

3Statutory regulations for the installationand repair of the AIRTRONIC• For installation in motor vehicles subject to theRegulations authorizing the U

30햴햲햳Dismantling the heat exchangerRemoving the combustion air blower• Remove the AIRTRONIC cover (see fig. 1)• Remove the controller (see fig. 2)Remo

31햲햳햴Removing the combustion chamber• Remove the cover from the AIRTRONIC (see fig. 1).Remove flange seal.Take AIRTRONIC out of the outer case (lower

32Measuring the fuel quantity1. PreparationDisconnect the fuel pipe from the AIRTRONIC and draininto a measuring glass (size 25 ml).Switch on the AIRT

4Sectional drawing 1 Hot-air impeller 2 Control unit 3 Combustion air impeller 4 Glow plug 5 Cover 6 Heat exchanger 7 Combi-sensor(overheating

5FunctionInitial start-upIf the AIRTRONIC has been properly installed inaccordance with the installation instructions and if thefuel supply system has

6Control and safety devices• If the AIRTRONIC does not ignite within 90 seconds afterfuel pumping has started, then the start is repeated in themanner

7Functional diagram AIRTRONIC D2Functional diagram AIRTRONIC D4

8Technical dataHeater AIRTRONIC D2 AIRTRONIC D4Heating medium AirHeat flow settings Step Step Power Fast Medium Slow Power Fast Medium SlowHeat fl

9Control valuesMotor speedControl stage AIRTRONIC D2 AIRTRONIC D4• Power 4800 U/min ± 140 U/min 4400 U/min ± 130 U/min• Fast 4000 U/min ± 120 U/min 36