Viessmann Divicon Series Installation Instructions Manual page 24

Extension kit with mixer PCB
Set rotary selector:
Heating circuit affected by
the mixer
Heating circuit with mixer M2
Heating circuit with mixer M3
Wall mounted and storage combi
boilers
Danger
Incorrect core assignment can
result in serious injury and dam-
age to the appliance.
Take care not to interchange
wires "L1" and "N".
24
(cont.)
Sensors connected
Flow temperature sensor
Flow temperature sensor and
return temperature sensor
Flow temperature sensor
Flow temperature sensor and
return temperature sensor
Rotary selector S1
"2"
(delivered condi-
tion)
"3"
"4"
"5"