Webasto Thermo 90 Manuel de service télécharger pdf (Page 2)

Thermo 90 List of Contents

List of Contents

1 Introduction

1.1 Scope and Purpose ..............................................................................................................

................. 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 Air Fan...........................................................................................................

.................... 202

2.2 Heat Exchanger.................................................................................................................

.................... 202

2.3 Temperature Sensor.............................................................................................................

................. 203

2.4 Temperature Limiter ..........................................................................................................

.................... 203

2.5 Burner Insert................................................................................................................

.......................... 203

2.6 Glow Plug ....................................................................................................................

.......................... 203

2.7 Flame Sensor .................................................................................................................

....................... 203

2.8 Combustion Tube ..............................................................................................................

.................... 203

2.9 Circulation Pump ...............................................................................................................

.................... 203

2.10 Control Unit..................................................................................................................

.......................... 203

2.11 Dosing Pump ..................................................................................................................

....................... 203

3 Troubleshooting

3.1 Switch-on.....................................................................................................................

.......................... 301

3.2 Heating Operation..............................................................................................................

.................... 301

3.3 Control Operation ..............................................................................................................

.................... 301

3.4 Switch-off.....................................................................................................................

.......................... 301

3.5 Functions of the Heater in TRS Vehicles........................................................................................

....... 301

3.6 Malfunctions.................................................................................................................

.......................... 303

3.6.1 Switch-off upon Failure......................................................................................................

.......... 303

3.6.2 Diagnosis after Switch-off upon Failure (Thermo 90)

.................................................................. 303

3.6.3 Diagnosis after Switch-off upon Failure (Thermo 90

S)............................................................... 303

4 Technical Data..

.............................................................................................................................................. 401

5 Troubleshooting

5.1 General........................................................................................................................

.......................... 501

5.2 General Failure Symptoms...................................

................................................................................. 501

5.3 Failure Symptoms after Switch-off upon

Failure.................................................................................... 502

5.4 Visual Inspection for Assessment of Burner Condition

.......................................................................... 503

5.4.1 Burner Housing...............................................................................................................

............. 503

5.4.2 Rear Wall with Metal Evaporator.............................................................................................

.... 504

5.4.3 Combustion Chamber...........................................................................................................

....... 504

5.4.4 Burner Assembly ............................................................................................................

............. 504

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Webasto Thermo 90 Manuel de service Page 2

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