Repair manual

I
List of Contents
1. Introduction
1.1 Scope and Purpose.................................................................................................................................101
1.1.1 Use of Air Heaters.......................................................................................................................101
1.2 Meaning of Warnings, Cautions, and Notes............................................................................................101
1.3 Additional Documentation to be used......................................................................................................101
1.4 Safety Information and Regulations ........................................................................................................101
1.4.1 General Safety Notes..................................................................................................................101
1.5 Legal Provisions for Installation...............................................................................................................102
1.6 Corrections and Improvements ...............................................................................................................103
2. General Description
2.1 Combustion and Heating Air Fan ............................................................................................................201
2.2 Heat Exchanger.......................................................................................................................................202
2.3 Burner Insert with Combustion Tube.......................................................................................................202
2.4 Control Unit / Control Circuit Board .........................................................................................................202
2.5 Flame Sensor..........................................................................................................................................203
2.6 Glow Plug ................................................................................................................................................203
2.7 Temperature Limiter ................................................................................................................................203
2.8 Dosing Pump...........................................................................................................................................203
3. Functional Description
3.1 Functional Description Air Top 2000 without Diagnosis (Fig. 301)..........................................................301
3.1.1 Control Element ..........................................................................................................................301
3.1.2 Switch-On....................................................................................................................................301
3.1.3 Stabilization.................................................................................................................................301
3.1.4 Heating Operation.......................................................................................................................301
3.1.5 Control Operation........................................................................................................................302
3.1.6 Control Idle..................................................................................................................................302
3.1.7 Switch-Off....................................................................................................................................302
3.1.8 Functions of the Air Heater in TRS Vehicles...............................................................................302
3.1.9 Switch-Off upon Failure...............................................................................................................302
3.2 Functional Description Air Top 2000 Diagnosis.......................................................................................304
3.2.1 Control Element ..........................................................................................................................304
3.2.2 Switch-On....................................................................................................................................304
3.2.3 Stabilization.................................................................................................................................304
3.2.4 Heating Operation.......................................................................................................................305
3.2.5 Control Operation........................................................................................................................305
3.2.6 Control Idle..................................................................................................................................305
3.2.7 Switch-Off....................................................................................................................................305
3.2.8 Functions of the Air Heater in TRS Vehicles...............................................................................305
3.2.9 Switch-Off upon Failure...............................................................................................................306
4. Technical Data ...............................................................................................................................................401
Air Top 2000 List of Contents