User Manual

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Building Technologies Division CC1N7495en
20.04.2016
Technical data (cont’d)
External ignition module (X3-03)
- Voltage
- Current
- Cable length
AC 230 V +10 % / -15 %
5 mA…0.5 A, cos > 0.8
must still ignite at AC 175 V
Max. 3 m
Any external ignition modules used must be approved by Siemens to ensure
their switching performance meets the requirements!
Fan speed (X14)
Refer to separate Siemens specification:
Spezifikation_LMU5x_TrafoGebläse_de_VX.Y.doc
(mandatory)
Boiler temperature sensor (X11)
- Continuously temperature
- Short-time temperature
- Sensor tolerance
- Cable length
- Aging
- 
- Other requirements
- Temperature resistance characteristic
NTC 10 k
Max. 100 °C
Max. 125 °C
±2 K
3 m
±3 %
20 s
To DIN EN 60730-2-9
Temperature [°C] RNTC [k] Temperature [°C] RNTC [k]
-20.00 96.360 50.00 3.605
-10.00 55.047 60.00 2.490
0.00 32.555 70.00 1.753
10.00 19.873 80.00 1.256
20.00 12.488 90.00 0.915
25.00 10.000 100.00 0.677
30.00 8.059 110.00 0.508
40.00 5.330 120.00 0.387
Remarks:
QAx36... must be used depending on relevant specification.
Return temperature sensor (X11) NTC 10 k
Described above under boiler temperature
sensor
DHW temperature sensor (X11)
- Cable length
NTC 10 k
Refer to specification QALx6…
10 m
(When connecting a thermostat to the
DHW sensor input, high-quality contact
material (e.g. gold-plated contacts) must
be used since the signal voltage at this
input is DC 5 V
Flue gas sensor (X11)
- Cable length
NTC 10 k
Refer to specification QAx3…
3 m
Outside sensor (X10-06)
- Cable length
NTC 1 k
Refer to specification QAC34…
40 m