Viessmann Vitodens 222-F B2TA series, Инструкция по установке и обслуживанию

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You can select which direction the heat-
ing program changeover takes in coding
address "d5" in the
"Heating circuit"
group:
Heating program - changeover Code
Changeover towards "Permanently reduced" or "Permanent
standby" mode (subject to the selected set value) d5:0
Changeover towards "Constant heating mode" d5:1
The duration of the heating program
changeover is set via coding address
"F2" in the
"Heating circuit" group:
Heating program - changeover Code
No operating program changeover F2:0
Duration of the operating program changeover 1 to 12 hours F2:1 to
F2:12
The operating program changeover
stays enabled for as long as the contact
remains closed, but at least as long as
the duration selected in coding address
"F2".
External blocking
The "External blocking" and "External
blocking and fault message input" func-
tions are connected via extension EA1.
There are 3 inputs available at extension
EA1 (DE1 to DE3). The function is selected via the following
coding addresses in the
"General"
group:
External blocking Code
Input DE1 3A:3
Input DE2 3b:3
Input DE3 3C:3
Function description
Control functions
(cont.)
5773 216 GB
Service