140
A
Acknowledging a fault display.................................... 81
Actuator test............................................................... 79
Anode, checking.........................................................42
Anode, replacing........................................................ 42
Assembly....................................................................99
B
Boiler, draining on the DHW side............................... 41
Boiler water temperature sensor................................ 92
Boosting DHW heating.............................................121
Brief scans................................................................. 76
Burner gasket.............................................................36
Burner gauze assembly............................................. 36
Burner installation...................................................... 37
Burner removal...........................................................35
C
Calling up fault messages.......................................... 82
Calling up the service level........................................ 75
Calling up the service menu.......................................75
Cleaning the heating surfaces..............................37, 39
Code 1
– Calling up................................................................ 55
Code 2
– Calling up................................................................ 62
Codes for commissioning...........................................46
Combustion chamber, cleaning............................37, 39
Combustion controller.............................................. 133
Combustion quality, checking.....................................44
Commissioning...........................................................26
Condensate drain.......................................................37
Connection diagrams............................................... 134
Control unit...............................................................120
Control unit service position....................................... 90
Converting gas type................................................... 31
Cylinder cleaning........................................................41
Cylinder temperature sensor......................................92
D
Date, setting............................................................... 28
Diaphragm expansion vessel..................................... 26
E
Electronic combustion controller.............................. 133
Extension
– AM1.......................................................................124
– EA1....................................................................... 125
– Internal H1.............................................................122
– Internal H2.............................................................123
Extension kit for heating circuit with mixer ................ 97
External blocking......................................................127
External demand...................................................... 128
F
Fault codes.................................................................82
Fault history................................................................81
Fault manager............................................................ 52
Fault memory....................................................... 81, 82
Fault messages, calling up.........................................81
Faults......................................................................... 81
Fill function............................................................... 128
Fill water.....................................................................26
Flow temperature sensor........................................... 92
Flue gas temperature sensor..................................... 94
Function descriptions............................................... 120
Function testing..........................................................79
Fuse/MCB.................................................................. 96
G
Gas supply pressure.................................................. 32
Gas train ....................................................................32
Gas type.....................................................................31
Gas type conversion.................................................. 31
H
Heating circuit allocation.......................................... 132
Heating curve............................................................. 51
Heating curve level.....................................................52
Heating curve slope................................................... 52
Heat-up time.............................................................131
I
Ignition........................................................................37
Ignition electrodes...................................................... 37
Ionisation electrode.................................................... 37
L
Language selection.................................................... 27
LON............................................................................52
– Fault monitoring...................................................... 53
– Subscriber check.....................................................53
– Subscriber number setting...................................... 52
LON communication module......................................52
M
Magnesium anode, checking..................................... 42
Magnesium anode, replacing..................................... 42
Manufacturer's certificate......................................... 139
Mixer open/closed...................................................... 97
O
Operating conditions, calling up................................. 75
Operating data, calling up.......................................... 75
Operating program changeover............................... 127
Outlet temperature sensor......................................... 93
Outside temperature sensor.......................................91
P
Plate heat exchanger................................................. 94
Protective anode
– Anode, checking......................................................39
– Anode current, checking......................................... 40
R
Raising reduced room temperature..........................130
Reduced set room temperature................................. 52
Reducing heat-up output..........................................130
Reducing heat-up time............................................. 131
Relay test................................................................... 79
Keyword index
Keyword index
5773 216 GB
Summary of Contents for B2TA
Page 101: ...101 Parts lists Overview of assemblies 5773 216 GB Components ...
Page 107: ...107 Parts lists Hydraulics 5773 216 GB Components ...
Page 118: ...118 0004 0002 0005 0006 0001 0003 Fig 77 Parts lists Miscellaneous 5773 216 GB Components ...
Page 142: ...142 5773 216 GB ...
Page 143: ...143 5773 216 GB ...