109
Operating program changeover
Code
Changeover via input DE1
d8:1
Changeover via input DE2
d8:2
Changeover via input DE3
d8:3
You can select which direction the operating program
changeover takes in coding address "d5":
Operating program changeover
Code
Changeover towards "Permanently reduced" or "Permanent standby mode" (ac-
cording to the selected set value)
d5:0
Changeover towards "Continuous heating mode"
d5:1
The duration of the operating program changeover can
be adjusted in coding address "F2":
Operating program changeover
Code
No operating program changeover
F2:0
Duration of the operating program changeover 1 to 12 h
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
When the contact is closed, the burner is switched off.
The heating circuit pump and (if installed) circulation
pump for cylinder heating are switched according to
the set codes.
The external connection is switched via a floating con-
tact.
Connection options:
■
Plug
lH
■
EA1 extension (accessories)
Plug
lH
■
The function is selected via code "4b:2" in the
"Gen-
eral"/1
group.
■
The effect on the circulation pump for cylinder heat-
ing is selected with code "5E"
"DHW"/3
.
■
The effect on the relevant heating circuit pump is
selected with code "d6" "
Heating circuit
".
EA1 extension
The functions "External blocking" and "External block-
ing with fault message input" are implemented via the
EA1 extension. There are 3 inputs available at the EA1
extension (DE1 to DE3).
The function is selected via the following codes:
External blocking
Code
Input DE1
3A:3
Input DE2
3b:3
Input DE3
3C:3
Function description
Control functions
(cont.)
5792 925 GB
Functions
Содержание Vitocrossal 100 CI1
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