Webasto HL 90 Owner's Manual

HL 90

List of Contents

I

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 Legal Provisions for Installation.................................................................................................. 101

1.4.2 General Safety Notes ................................................................................................................. 102

1.5

Corrections and Improvements.............................................................................................................. 103

2

General Description

2.1

Drive ...................................................................................................................................................... 201

2.2

Heat Exchanger..................................................................................................................................... 201

2.3

Control Unit............................................................................................................................................ 201

2.4

Flame Sensor ........................................................................................................................................ 202

2.5

Glow Plug .............................................................................................................................................. 202

2.6

Temperature Limiter .............................................................................................................................. 202

2.7

Dosing Pump ......................................................................................................................................... 202

3

Functional Description

3.1

Controls ................................................................................................................................................. 301

3.2

Switch On ...............................................................................................................................................301

3.3

Heating Operation.................................................................................................................................. 301

3.3.1  Operation with Room Thermostat (mechanical) ......................................................................... 301

3.3.2  Operation with Switch................................................................................................................. 301

3.3.3  Operation with Timer .................................................................................................................. 301

3.4

Switch Off .............................................................................................................................................. 301

3.5

Ventilation Operation ............................................................................................................................. 301

4

Technical Data

4.1

Electrical Components........................................................................................................................... 401

5

Troubleshooting

5.1

General.................................................................................................................................................. 501

5.2

General Fault Symptoms....................................................................................................................... 501

6

Functional Checkouts

6.1

General.................................................................................................................................................. 601

6.2  Adjustments........................................................................................................................................... 601

6.2.1 Adjustment of CO

2

 Contents ...................................................................................................... 601

6.3

Components Testing.............................................................................................................................. 601

6.3.1 Temperature Limiter Resistance Check ..................................................................................... 601

6.3.2 Flame Sensor Resistance Check ............................................................................................... 601