Webasto Thermo 90 S Thermo 90 S-ADR User Manual

Page of 55
Thermo 90 S / Thermo 90 ST
Table of contents
I
Table of contents
1
Introduction
1.1
Contents and purpose ........................................................................................................................... 101
1.2
Meaning of signal words ........................................................................................................................ 101
1.3
Additional documentation to be used..................................................................................................... 101
1.4
Safety instructions and regulations........................................................................................................ 101
1.4.1 General safety regulations........................................................................................................... 101
1.5
Statutory regulations governing installation ............................................................................................102
1.6
Suggestions for improvements and modifications ................................................................................. 102
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 monitor........................................................................................................................................ 203
2.8
Combustion pipe.................................................................................................................................... 203
2.9
Circulating pump.................................................................................................................................... 203
2.10 Control unit ............................................................................................................................................ 203
2.11 Metering pump....................................................................................................................................... 203
3
Function description
3.1
Switching on .......................................................................................................................................... 301
3.2
Heating mode ........................................................................................................................................ 301
3.3
Control mode ......................................................................................................................................... 301
3.4
Switching off .......................................................................................................................................... 302
3.5
Heater functions when installed in ADR vehicles .................................................................................. 302
3.6
Malfunctions........................................................................................................................................... 303
3.6.1 Fault lock-out ............................................................................................................................... 303
3.6.2 Diagnosis after fault lock-out, Thermo 90 S and Thermo 90 ST ................................................. 304
4
Technical data ................................................................................................................................................ 401
5
Troubleshooting
5.1
General .................................................................................................................................................. 501
5.2
General fault indications ........................................................................................................................ 501
5.3
Fault indications on fault lock-out .......................................................................................................... 502
5.4
Visual check for assessing the burner ................................................................................................... 503
5.4.1 Burner housing .............................................................................................................................503
5.4.2 Back wall with metal evaporator .................................................................................................. 504
5.4.3 Combustion chamber .................................................................................................................. 504
5.4.4 Complete burner.......................................................................................................................... 504