163 Sensor test
SET = setpoint or
limit value
ACTUAL
= sensor
value
Sensors:
= short-circuit
= open-circuit
Thermostats:
= contact
closed
= contact
open
164 Test of contacts "H"
= contact
closed
= contact
open
165 Flow temperature
setpoint
Building Technologies
Display function
Display function
Display function
74 319 0618 0 a
0 = outside sensor B9
1 = flow / boiler temp. sensor
B1
2 = room temp. sensor B5
3 = room temp. sensor A6
4 = return temp. sensor (pri-
mary circuit) B7
5 = return temp. sensor (sec-
ondary 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
H1 = overriding the operation
mode
H3 = locking the district heat
settings
H4 = auxiliary switch in actua-
tor (for minimum stroke
limitation)
Current setpoint according to
the composite outside tempera-
ture, heating curve, setting
knob position and setting on
operating line 72
17.04.2008
en
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