Viessmann VITOCROSSAL CRU 1000 kW, Service Instructions Manual

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1. Information Symbols ................................................................................................. 5
Intended use .......................................................................................... 5
Product information ................................................................................ 6
2. Commissioning, inspec-
tion, maintenance
Steps - commissioning, inspection and maintenance ............................ 7
3. Burner control unit Burner control unit VUC 310 .................................................................. 32
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Display and programming unit ............................................................ 32
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Operating display ................................................................................ 32
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Info display/configuration display ........................................................ 33
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Resetting operating parameters to their delivered condition .............. 35
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Manual operation and service display ................................................ 35
Flow diagram ......................................................................................... 36
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Description of state: ............................................................................ 37
4. Troubleshooting Fault display ........................................................................................... 38
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Fault memory ...................................................................................... 38
Fault codes ............................................................................................ 38
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General process errors ....................................................................... 38
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Internal system faults .......................................................................... 42
Faults without fault display ..................................................................... 43
5. Parts lists Overview of assemblies ......................................................................... 45
Boiler assembly ..................................................................................... 46
Casing assembly ................................................................................... 48
MatriX-Disk burner assembly ................................................................. 50
Burner control unit assembly ................................................................. 52
Control unit assembly ............................................................................ 54
6. Component overview Overview of burner components ............................................................ 56
7. Function description Air pressure switch ................................................................................ 57
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Fan pressure monitoring function (LDW1) .......................................... 57
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Combustion chamber pressure monitoring function (LDW2) .............. 57
Boiler water temperature sensors and flue gas temperature sensors ... 57
8. Connection diagrams Burner control unit connection diagram ................................................. 58
9. Reports ................................................................................................................ 61
10. Specification ................................................................................................................ 63
11. Final decommissioning Final decommissioning and disposal ..................................................... 65
12. Certificates EU Declaration of Conformity ................................................................ 66
Manufacturer’s certificate according to the 1st German Immissions
Order (BImSchV) ................................................................................... 67
13. Keyword index ................................................................................................................ 68
Index
Index
5816717