Viessmann Vitocrossal 200 Service Instructions For Contractors page 64

Keyword index
Keyword index
A
Air pressure switch.....................................................50
B
Boiler door, closing.....................................................24
Boiler door, opening................................................... 20
Boiler water requirements.......................................... 54
Burner
– Cleaning.................................................................. 24
– Fitting...................................................................... 25
Burner control unit......................................................31
– Configuration display...............................................32
– Display and programming unit................................ 31
– Info display.............................................................. 32
– Operating display.................................................... 31
Burner gauze assembly check................................... 23
C
CO2 content checking................................................16
– Lower heating output 115 - 311 kW.........................18
– Lower heating output 87 kW................................... 17
– Upper heating output 115 - 311 kW.........................18
– Upper heating output 87 kW................................... 16
Codes.........................................................................30
Combustion chamber, cleaning..................................20
Combustion chamber pressure monitoring................ 50
Combustion operation
– Manual mode.......................................................... 34
– Service display........................................................ 34
Component overview, burner..................................... 48
Condensate drain system
– Cleaning.................................................................. 22
Connection diagram................................................... 52
Converting to natural gas LL...................................... 11
D
Diagnosis table...........................................................37
E
Expansion vessel
– Checking................................................................. 28
F
Fan pressure monitoring............................................ 50
Fault code.................................................................. 37
Fault display............................................................... 37
Fault memory............................................................. 37
Faults without fault display......................................... 40
Final checks, performing............................................ 28
Flow chart...................................................................35
Flow pressure.............................................................14
G
Gas type check...........................................................11
H
Heating surfaces, cleaning.........................................20
Heating system
– Filling with water........................................................9
High limit safety cut-out................................................9
64
I
Ignition electrodes, checking......................................23
Instructing the system user........................................ 29
Intended use................................................................ 5
Internal system faults................................................. 40
Ionisation current display........................................... 19
Ionisation electrode, checking....................................23
N
Neutralising system....................................................21
O
Operating and service documents............................. 29
Operating parameters
– Changing.................................................................33
– Resetting................................................................. 33
Operational output
– Maximum.................................................................33
– Reducing........................................................... 12, 33
R
Report
– Fill water..................................................................56
– Settings and measurement values..........................57
– Water quality........................................................... 56
Requirements for boiler water.................................... 54
Restrictor....................................................................60
Rotary damper..................................................... 25, 53
Rotary damper, checking setting................................15
S
Servomotor.................................................................53
Specification...............................................................58
– MatriX radiant burner.............................................. 59
Static pressure........................................................... 13
Supply pressure......................................................... 14
System
– Commissioning..........................................................9
– Shutting down......................................................... 20
System pressure, checking........................................ 28
T
Tightness
– Checking gas train valves....................................... 26
– Connections on heating water side......................... 21
– Flue gas side...........................................................27
– Gas connections..................................................... 26
– Sensor well..............................................................21
Trap, filling with water...................................................9
W
Water quality
– Checking................................................................. 28
– Report..................................................................... 56
– Requirements..........................................................54
Water quality, requirements........................................54