Function description
External extensions (accessories)
Extension AM1
Fig. 59
A1
Circulation pump
A2
Circulation pump
Power supply
fÖ
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
■
Function assignment
Function
DHW circulation pump
sK
Heating circuit pump
sÖ
Circulation pump for cylinder heating
94
A Power supply for additional accessories
fÖ
aVG
Select the output functions by means of the codes on
the boiler control unit.
Output A1
33:0
33:1 (delivered condition)
33:2
sA
KM BUS
Code ("General" group)
Output A2
34:0 (delivered condition)
34:1
34:2