108
This function is activated via parameter "45:00".
0
–
1 V "No specification for set boiler water tempera-
ture"
■
Single boiler system: The boiler runs in con-
trol mode.
■
Multi boiler system: The boiler cools down.
1 V
≙
Set value 10 °C
10 V
≙
Set value 100 °C
Ensure galvanic separation between the earth conduc-
tor and the negative pole of the on-site power source.
Output demand
The 0 to 10 V hook-up provides a specified boiler out-
put:
■
Function activated via parameter "45:01"
:
If the boiler receives a higher set output value
through other requirements, it is operated at this out-
put.
■
Function activated via parameter "45:02"
:
The boiler is operated at the specified output. Only
the boiler protection function (Therm-Control) is
taken into account universally.
0
–
1 V "No specification for boiler output"
■
Single boiler system: The boiler runs in con-
trol mode.
■
Multi boiler system: The boiler cools down.
1 V
≙
set value 10 %
10 V
≙
set value 100 %
Output
aBJ
The following functions can be connected to output
aBJ
:
■
Feed pump to substation
or
■
Fault message facility
Information on the feed pump
Function only possible in conjunction with a heating
circuit control unit connected via LON
Function assignment
The function of output
aBJ
is selected via parameter
"41" in the
"General"
group at the boiler control unit.
Function description
EA1 extension (accessories)
(cont.)
5863679
Functions
Содержание Vitotronic 11 CC1E
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