Keyword Index - Viessmann VITOCROSSAL CRU 800 kW Service Instructions Manual

Keyword index

Keyword index
A
Air pressure switch.....................................................57
B
Boiler door
– Opening...................................................................11
Boiler water requirements.......................................... 59
Burner
– Cleaning.................................................................. 25
– Fitting...................................................................... 26
Burner control unit......................................................32
– Configuration display...............................................33
– Display and programming unit................................ 32
– Info display.............................................................. 33
– Operating display.................................................... 32
Burner door
– Closing.................................................................... 26
Burner gauze assembly check................................... 24
C
CO2 content checking................................................16
– Lower heating output ..............................................18
– Upper heating output...............................................17
Coding card replacement........................................... 14
Combustion chamber, cleaning..................................20
Combustion chamber opening................................... 19
Combustion chamber pressure monitoring................ 57
Combustion operation
– Manual mode.......................................................... 35
– Service display........................................................ 35
Component overview, burner..................................... 56
Condensate drain pipe............................................... 21
Connection diagram................................................... 58
D
Diagnosis table...........................................................38
E
Expansion vessel
– Checking................................................................. 30
F
Fan pressure monitoring............................................ 57
Fault code.................................................................. 38
Fault display............................................................... 38
Fault memory............................................................. 38
Faults without fault display......................................... 43
Final checks, performing............................................ 30
Flow diagram..............................................................36
Flow pressure.............................................................15
G
Gas type check.......................................................... 10
Gas type conversion
– LPG P......................................................................13
– Natural gas E.......................................................... 12
68
H
Heating surfaces, cleaning.........................................20
Heating system
– Filling with water........................................................9
I
Ignition electrodes, checking......................................24
Instructing the system user........................................ 31
Intended use................................................................ 5
Internal system faults................................................. 42
Ionisation current display........................................... 19
Ionisation electrode, checking....................................24
O
Opening the boiler door.............................................. 11
Operating and service documents............................. 31
Operating parameters
– Changing.................................................................34
– Resetting................................................................. 35
Operational output
– Maximum.................................................................34
– Reducing................................................................. 35
– Reduction................................................................ 14
R
Reducing the heating output...................................... 14
Report
– Fill water..................................................................61
– Settings and measurement values..........................62
– Water quality........................................................... 61
Rotary damper........................................................... 58
S
Servomotor.................................................................58
Specification...............................................................63
Static pressure........................................................... 15
Supply pressure......................................................... 15
System
– Commissioning..........................................................9
– Shutting down......................................................... 19
System pressure, checking........................................ 30
T
Tightness
– Connections on heating water side......................... 21
– Flue gas side...........................................................30
– Gas connections..................................................... 29
– Gas train valves...................................................... 28
– Sensor well..............................................................21
Trap, filling with water...................................................9
W
Water quality
– Checking................................................................. 30
– Report..................................................................... 61
Water quality, requirements........................................59