Operating instructions

145
Functions
One of the following circulation pumps
can be connected to each of the connec-
tions A1 and A2:
■ Heating circuit pump for the heating
circuit without mixer
■ Circulation pump for cylinder heating
■ DHW circulation pump
Select the output functions by means of
the codes on the boiler control unit.
Function assignment
Function Code ("General" group)
Output A1 Output A2
DHW circulation pump sK
33:0 34:0 (delivered condi-
tion)
Heating circuit pump sÖ
33:1 (delivered condi-
tion)
34:1
Circulation pump for cylinder
heating
sA
33:2 34:2
Function description
External extensions (accessories)
(cont.)
5772 909 GB
Service