15
This function is activated via parameter
"45:00".
0 – 1 V "No specification for set boiler
water temperature"
■ Single boiler system: The
boiler runs in control 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 conductor and the negative
pole of the on-site power source.
Output demand
The 0 to 10 V hook-up provides a
specified boiler output:
■ Function activated via parameter
"45:01":
If the boiler receives a higher set out-
put value through other requirements,
it is operated at this output.
■ 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 out-
put"
■ Single boiler system: The
boiler runs in control mode.
■ Multi boiler system: The
boiler cools down.
1 V ≙ set value 10 %
10 V ≙ set value 100 %
Connecting the KM-BUS to the heat generator control unit
Note
The KM-BUS can be connected to the
control unit in the following ways.
If the connection takes the form of
screw terminals, remove plug
aVG
from
the cable supplied. The cores are
interchangeable.
Installation and service instruc-
tions
Connecting the analogue input 0 - 10 V
(cont.)
5443233
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