External heating program changeover
The "External heating program chan-
geover" function is connected via
external extension input "aVD". You
can select which heating circuits the
heating program changeover affects
in coding address "91":
Heating program changeover Coding
No changeover 91:0
Heating circuit without mixer A1 91:1
Heating circuit with mixer M2 91:2
Heating circuit without mixer and heating circuit with mixer 91:3
You can select which direction the
heating program changeover takes in
coding address "D5":
Heating program changeover Coding
Changeover towards "Permanently reduced" or "Perma-
nent standby" mode (subject to the selected set value)
d5:0
Changeover towards "Constant heating mode" d5:1
The duration of the heating program
changeover can be adjusted in coding
address "F2":
Heating program changeover Coding
No heating program changeover F2:0
Duration of the heating program changeover 1 to 12 hours F2:1 to
F2:12
The operating mode changeover
remains active for as long as the con-
tact remains closed, but at least as
long as the duration selected in cod-
ing address "F2".
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