HL 90
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
6.3
Components Testing.............................................................................................................................. 601
6.3.1 Temperature Limiter Resistance Check ..................................................................................... 601
6.3.2 Flame Sensor Resistance Check ............................................................................................... 601
List of Contents
Contents ...................................................................................................... 601
2
List of Contents
I