134
Fig. 93
A1
Main PCB
X...
Electrical interfaces
§
Boiler water temperature sensor
$
Outlet temperature sensor
aA
Ionisation electrode
aG
Flue gas temperature sensor
dÖ
Stepper motor for diverter valve
fJ
Temperature limiter
gF
Ignition unit
a-Ö
Fan motor
a-Ö
A Fan motor control
a:Ö
Modulation coil
Connection and wiring diagram
Internal connection diagram
5773 216 GB
Appendix
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 ...