Code 1
Solar/group "4"
Coding in the delivered condition
Extended solar control functions
20:0
No extended control func-
tions enabled
Heating circuit 1, heating circuit 2, heating circuit 3/group "5"
Select "Heating circuit ..." for weather-compensated control units (see page 39).
Select "5" for constant temperature control units (see page 39).
46
(cont.)
Possible change
20:1
Auxiliary function for DHW
heating
20:2
Differential temperature
control 2
20:3
Differential temperature
control 2 and auxiliary func-
tion
20:4
Differential temperature
control 2 for central heating
backup
20:5
Thermostat function
20:6
Thermostat function and
auxiliary function
20:7
Solar heating via external
heat exchanger without
additional temperature
sensor
20:8
Solar heating via external
heat exchanger with addi-
tional temperature sensor
20:9
Solar heating of two DHW
cylinders