Siemens LMS14 User Manual page 588

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Building Technologies Division
Safety limit thermostat
- Voltage
- Current
- Cable length
Fuel valve
- AC output
- Current
Note!
 A fuel valve with rectifier may be connected to the fuel valve output only if
approved by Siemens!
 In this case, additional protective measures inside the LMS14... must be taken
(optional components)
RAC output (optional
components)
- Output
General data on connection of
fuel valve
- Cable length
- Capacitive extra circuit or surge
voltage limiting protective
elements
External ignition module
- Voltage
- Current
- Cable length
-Starting current
In terms of switching performance, every external ignition module used must be
approved by Siemens!
Fan control
User Manual LMS14...
8 Technical data
AC 230 V
5 mA...1 A, cos >0.6
Carrying power to the fuel valve and
ignition
<1 m
AC 230 V +10%/-15%
Valve must still open at AC 175 V
5 mA...0.5 A, cos >0.6
RAC 230 V +10%/-15% 100 Hz
Valve must still open at RAC 175 V
Max. 20 W, cos >0.9
Max. 1 m for AC/RAC
Max. 3 m if cable is routed separately (to avoid
capacitive coupling)
Not permitted
AC 230 V +10%/-15%
5 mA...0.5 A, cos >0.6
Full ignition required at AC 175 V
Max. 1 m
Max. 3 m if cable is routed separately (to avoid
capacitive coupling)
Max 1 A
For fans driven by mains-powered DC motor
Refer to separate Siemens specification:
Spezifikation_LMU5x_TrafoGebläse_de_VX.Y.doc
(mandatory)
CC1U7471en
28.01.2015