Operating instructions
Manuals
Brands
Viessmann Manuals
Boiler
Type B2HA
151
152
153
154
155
156
157
158
159
160
159
dÖ
Stepper motor for diverter valve
fJ
Temperature limiter
gF
Ignition unit
a-Ö
Fan motor
a-Ö
A
Fan motor control
aVL
Only type B2KA:
Flow switch
a:Ö
Modulation coil
Designs
Connection and wiring diagram – Internal…
(cont.)
5772 909 GB
Service
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