163 Sensor test
Building Technologies
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Display function
SET = setpoint or
limit value
ACTUAL = sensor
value
Sensor:
= short-circuit
= open-circuit
Control thermostat:
= contact
closed
= contact open
74 319 0619 0 a
8 = heating circuit pump
ON M2
9 = boiler pump /circulating
pump ON M4
10 = multifunctional relay ener-
gized K6 / burner modula-
tion actuator CLOSE K6
11 = d.h.w. valve / return mixing
valve OPEN Y7
12 = d.h.w. valve / return mixing
valve CLOSED Y8
13 = collector pump ON M5
Terminate the relay test:
Select next line or automatically
after 30 minutes
0 = outside sensor B9
1 = flow temp. sensor B1
2 = room sensor B5
3 = room unit sensor A6
4 = return temp. sensor B7 with
minimum limit value
5 = return temp. sensor B7 with
maximum limit value
6 = flow temp. sensor for d.h.w.
B6
7 = d.h.w. storage tank tem-
perature sensor / control
thermostat 1 B31
8 = d.h.w. storage tank tem-
perature sensor / control
thermostat 2 B32
9 = boiler temp. sensor B2
A = collector sensor B6
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en