Building Technologies
74 319 0618 0 a
17.04.2008
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en
6 = circulating pump ON M4
7 = multifunctional relay
ENERGIZED K6
8 = d.h.w. valve OPENS Y7
9 = d.h.w. valve CLOSES Y8
10 =
collector pump ON M5
163 Sensor test
SET
= setpoint or
limit value
ACTUAL
= sensor
value
Sensors:
= short-circuit
= open-circuit
Thermostats:
= contact
closed
= contact open
Display function
0 = outside sensor B9
1 = flow / boiler temp. sensor B1
2 = room temp. sensor B5
3 = room temp. sensor A6
4 = return temp. sensor (primary
circuit) B7
5 = return temp. sensor (secon-
dary circuit) B71
6 = flow temp. sensor for d.h.w.
B3
7 = d.h.w. storage tank tem-
perature sensor / thermo-
stat 1 B31
8 = d.h.w. storage tank tem-
perature sensor / thermo-
stat 2 B32
9 = collector sensor B6
164 Test of contacts “H”
= contact
closed
= contact open
Display function
H1 = overriding the operation
mode
H3 = locking the district heat
settings
H4 = auxiliary switch in actuator
(for minimum stroke limita-
tion)
165 Flow temperature
setpoint
Display function
Current setpoint according to
the composite outside tempera-
ture, heating curve, setting knob
position and setting on operat-
ing line 72
