Siemens LMU64 Series - Page 125

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