1
Thermo plus 160/230/300/350 Content
1 Introduction
1.1 Content and purpose 101
1.2 Effectivity of the workshop manual 101
1.3 Meaning of highlighted content 101
1.4 Symbols 101
1.5 Further documentation to be used 101
1.6 Safety information and regulations 101
1.6.1 General safety regulations 101
1.6.2 Other safety information 102
1.7 Suggestions for improvement and change 102
2 Technical Data
2.1 Electrical components 201
2.2 Fuel 201
3 Description of assemblies and components
3.1 Burner head 302
3.1.1 Combustion air fan 302
3.1.2 Control device 302
3.1.3 Fuel pump 304
3.1.4 Electronic ignition unit with ignition electrodes 305
3.1.5 Nozzle block preheater 305
3.1.6 Temperature sensors with water temperature sensor and integrated overheating protection 305
3.2 Heat exchanger 307
3.3 Combustion chamber 307
3.4 Circulating pump 307
3.5 Fuel filter 308
4 Heater functions
4.1 General heater functionality description 401
4.2 Operational heater sequence 402
4.2.1 Switching on and start 402
4.2.2 Heating operation 402
4.2.3 Switching off 403
4.3 Diagnostic interface and (Diagnosis Thermo Test) DTT diagnosis 403
4.4 Fault lock-out and heater lock-out 404
4.5 Fault lock-out 404
4.5.1 Malfunctions during switching-on and start procedure 404
4.5.2 Malfunctions during heater operation 404
4.5.3 Malfunctions during purge cycle 404
4.5.4 Fault lock-out release and error clearance 405
4.6 Heater lock-out 405
4.6.1 Heater lock-out release 405
5 Troubleshooting
5.1 General 501
5.2 Disconnecting the heater from the vehicle electrical system 501
5.3 General error symptoms 501
5.4 Error indication 504
5.5 Error symptoms during functional tests with malfunction code output or diagnosis 505
5.5.1 Error symptom "No start within safety period" 505
5.5.2 Error symptom "Flame interruption" 505
To Next Page
Loading...
