Eberspacher Airtronic D2 and D4 heater service manual

EBERSPÄCHER UK | TECHNICAL MANUAL AIRTRONIC D2 / D4 / D4+ OPERATING INSTRUCTIONS AND SERVICE BOOK 20339 Issue F · PE/December/2011

Airtronic D2 / D4 / D4+ Uncontrolled Copy This publication was correct at the time of going to print. However, Eberspächer (UK) Ltd. have a policy of continuous improvement and reserve the right to amend any specifications without prior notice.

Airtronic D2 / D4 / D4+ Technical Data ................................................................................................................... 4 Operating Instructions for 801 Series Digital Modulator .................................................... 5 Operating Instructions for Rheostat Control Switch ........................................................... 6 Operating Instructions for Modulator Control (301 Series) ................................................ 7 Adjusting Temperature Using Rheostat or Modulator Control ........................................... 8 Operating Instructions for 7 Day Timer with Temperature Controller .......................... 9 - 10 Operating Instructions for 701 Series Timer / Modulator .......................................... 11 - 12 Airtronic Modulator Instructions 301 00 200 .................................................................... 13 Mini Controller Operating / Mounting Instructions............................................................ 14 Operating Instructions for 801 Series Digital Modulator ........................................... 15 - 16 Method of Operation Airtronic D2 / D4 ...................................................................... 17 - 18 Sectional Drawing Airtronic D2 / D4................................................................................. 19 Controls and Safety Devices ........................................................................................... 20 Circuit Diagram Airtronic D2 / D4 - Short Optional Loom................................................. 21 Wiring Diagram for Control Switches .............................................................................. 22 Circuit Diagram Airtronic D2 / D4 - Long Optional Loom ................................................. 23 Wiring Diagram for Control Switches ............................................................................... 24 Fuel at Low Temperatures ............................................................................................... 25 Operation with Bio-diesel ................................................................................................. 26 Fault Diagnosis Using 7 day Timer ........................................................................... 27 - 28 Recommended Service Schedule Airtronic D2 / D4 ........................................................ 29 Safety Instructions ........................................................................................................... 30 Important Information....................................................................................................... 31 Contents

Airtronic D2 / D4 / D4+ Technical Data Caution! Safety instructions for technical data! Failure to comply with the technical data can result in malfunctions. Please note! Provided no limit values are given, the technical data listed is subject to the tolerances usually applicable to heaters of ±10% for nominal voltage, ambient temperature 20 °C and reference altitude Esslingen. Heater type Heater Version Heating medium Control of the heat flow 2 D ) t t a w ( w o l f t a e H D4 D4 Plus Heater air flow rate D2 with hood Ø 60 mm without counter- D4 with hood Ø 90 mm pressure (kg/h) D4 Plus with hood Ø 75 mm Fuel consumption (l/h) D2 D4 D4 Plus Elektr. power consumption (watt) D2 in operation (12 and 24 volt) D4 D4 Plus at start (12 and 24 volt) Rated voltage Operating range Lower voltage limit: An undervoltage protection in the controller switches off the heater when the voltage limit is reached. Upper voltage limit: An uppervoltage protection in the controller switches off the heater when the voltage limit is reached. Fuel “Fuel quality“ and “Fuel at low temperatures“ see page 25. Tolarable ambient temperature Heater Dosing pump Maximum air intake temperature Interference suppression Weight Ventilation mode Airtronic Airtronic D2 / Airtronic D4 / Airtronic D4 Plus D2 / D4 / D4 Plus Air Stage Power Large Medium Small Off 2200 1800 1200 850 – 4000 3000 2000 900 – 4000 3000 2000 900 – 105 90 60 40 13 185 150 110 60 24 175 140 100 55 22 0.28 0.51 0.38 0.25 0.11 – 0.51 0.38 0.25 0.11 – 40 24 13 7 5 55 30 16 7 5 100 12 or 24 volt approx. 10.5 volt resp. 21 volt Undervoltage protection trigger time: 20 seconds approx. 16 volt resp. 32 volt Overvoltage protection trigger time: 20 seconds Commercially available diesel fuel (DIN EN 590) Operation Not running –40 °C to +70 °C –40 °C to +85 °C –40 °C to +50 °C –40 °C to +125 °C +40 °C Interference suppression class 5 to DIN EN 55 025 D2 approx. 2.7 kg – D4 / D4 Plus approx. 4.5 kg possible 0.23 0.15 0.10 – 34 22 12 8 5

Eberspacher Airtronic D2 and D4 heater service manual

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