Siemens LMU54 Series Basic Documentation page 125

Siemens Building Technologies
HVAC Products
• Heating circuit flow switch / pressure monitor (X11)
- Min. output voltage LMU...
- Typical output voltage LMU...
- Max. output voltage LMU...
- Max. contact resistance
- Cable length
• DHW flow switch (X11)
- Min. output voltage LMU...
- Typical output voltage LMU...
- Max. output voltage LMU...
- Max. contact resistance
- Cable length
• Safety shutdown / gas pressure switch (X10-03)
- Min. output voltage LMU...
- Typical output voltage LMU...
- Max. output voltage LMU...
- Max. contact resistance
- Cable length
• Programmable digital input / air pressure switch (X10-04)
- Min. output voltage LMU...
- Typical output voltage LMU...
- Max. output voltage LMU...
- Max. contact resistance
- Cable length
• Room thermostat / time switch (X10-02)
- Min. output voltage LMU...
- Typical output voltage LMU...
- Max. output voltage LMU...
- Max. contact resistance
- Cable length
• Stepper motor control for combustion optimization
(X12)
- Cable length
• DHW stepper motor control (X13)
- Min. output voltage LMU...
- Typical output voltage LMU...
- Max. output Voltage LMU...
- Cable length
Note: The currents specified are average motor currents
Basic Documentation LMU54... / LMU64...
10 Technical data
RAC 19 V at 7 mA
RAC 26 V at 10 mA
RAC 31.5 V at 12 mA
50 Hz single-path rectified
300 Ω
≤ 3 m
RAC 19 V at 7 mA
RAC 26 V at 10 mA
RAC 31.5 V at 12 mA
50 Hz single-path rectified
300 Ω
≤ 3 m
RAC 19 V at 7 mA
RAC 26 V at 10 mA
RAC 31.5 V at 12 mA
50 Hz single-path rectified
300 Ω
≤ 5 m
RAC 19 V at 7 mA
RAC 26 V at 10 mA
RAC 31.5 V at 12 mA
50 Hz single-path rectified
300 Ω
≤ 5 m
RAC 19 V at 7 mA
RAC 26 V at 10 mA
RAC 31.5 V at 12 mA
50 Hz single-path rectified
300 Ω
≤ 40 m
refer to Data Sheet VDUx
≤ 1 m
Sonceboz 7217R030
bipolar control
DC 22 V at 228 mA
DC 28.5 V at 176 mA
DC 41 V at 122 mA
≤ 1 m
125/171
CC1P7494en
07.11.2002