Building Technologies
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179 Bus power supply
A
(0 / A)
.........................
0 = no bus power supply
through the controller
A = bus power supply through
the controller
180 Outside tempera-
ture source
A
A / (00.01…14.16)
.........................
No display means: Controller is
autonomous (no data bus pre-
sent)
Setting when supplied via the
data bus:
Segment and device number of
source,
or
“A” for automatic identification of
source
182 DC 0...10 V heat
demand signal U1
130 °C
(30…130)
...................
°C
Scaling for 10 V
183 DC 0...10 V heat
demand signal U2
130 °C
(30…130)
...................
°C
Scaling for 10 V
Block “Contact H2”
184 Function when ter-
minals H2–M are
linked
0
(0 / 1)
.........................
0 = heat demand signal to heat
source
1 = heat demand signal to heat-
ing circuit
Block “External inputs”
185 Effect when connec-
tion terminals H2–M
are linked
0
(0 / 1)
.........................
0 = constant
1 = minimum
186 Demand for heat
when connection
terminals H2–M are
linked
70 °C
(0…140)
...................
°C
187 Values of voltage
inputs
Display function
0 = solar radiation in W/m
2
1 = wind speed in m/s
2 = heat demand at terminal U1
in °C
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