Operating instructions

133
Functions
One of the following circulation pumps
can be connected to each of the termi-
nals A1 and A2:
■ Heating circuit pump for the heating
circuit without mixer
■ Circulation pump for cylinder heating
■ DHW circulation pump
Allocating functions for outputs A1
and A2
Select the function for these outputs via
the codes on the boiler control unit:
■ Output A1: Code 33
■ Output A2: Code 34
Function Code
Output A1 Output A2
DHW circulation pump sK
33:0 34:0 (delivered
cond.)
Heating circuit pump sÖ
33:1 (delivered
cond.)
34:1
Circulation pump for cylinder heating sA
33:2 34:2
Function description
External extensions (accessories)
(cont.)
5457 552 GB
Service