Operating instructions
Manuals
Brands
Viessmann Manuals
Boiler
Type B2HA
141
142
143
144
145
146
147
148
149
150
144
Extension AM1
A1
Circulation pump
A2
Circulation pump
fÖ
Power supply
fÖ
A
Power supply for additional
accessories
aVG
KM BUS
Function description
External extensions (accessories)
5772 909 GB
1
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142
143
144
145
146
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188