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Control functions
External operating mode changeover
The "External operating mode chan-
geover" function is connected via
external extension input aVD. Coding
address "91" enables the selection,
which heating circuits the operating
mode changeover should affect:
Coding
91:0
91:1
91:2
91:3
With coding address "D5", you can
select in which direction the change-
over should be made for each heating
circuit:
Coding
d5:0
d5:1
The duration of the operating mode
changeover can be adjusted in coding
address "F2".
Coding
F2:0
F2:1 to
F2:12
The operating mode changeover
remains active for as long as the con-
tact remains closed, however at least
as long as the duration selected in
coding address "F2".
The op. mode changeover affects:
No changeover
Heating circuit without mixer A1
Heating circuit with mixer M2
Heating circuit without mixer and heating
circuit with mixer
The op. mode changeover affects:
Changeover in the direction of "Constantly
reduced" or "Constantly standby" mode
(respectively in accordance with the se-
lected set value)
Changeover towards "Constantly heating
mode"
The op. mode changeover affects:
No operating mode changeover
Duration of the operating mode change-
over 1 to 12 hours
Function description
91
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