124
AM1 extension
Fig. 82
A1
Circulation pump
A2
Circulation pump
fÖ
Power supply
fÖ
A Power supply for additional accessories
aVG
KM BUS
Functions
One of the following circulation pumps can be connec-
ted to each of the connections A1 and A2:
■
Heating circuit pump for the heating circuit without
mixer
■
Circulation pump for cylinder heating
■
DHW circulation pump
Connect DHW circulation pumps with standalone
functions directly to the 230 V
∼
supply
Select the output functions by means of the codes on
the boiler control unit.
Function description
External extensions (accessories)
5773 216 GB
Functions
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 ...
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