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Function module FM458 for integrating up to 4 boilers into the Logamatic 4000 control system- Use in the Logamatic 4321 or 4323 control unitScope of delivery:- Function module FM458 incl. 1x strategy flow temperature sensorBasic functions: - Strategy module for demand-based control of up to 4 boilers- Any combination of up to 4 boilers with mounted boiler control unitt Logamatic 4321/4322 and Logamatic EMS or Logamatic 4323 control unit for wall mounting in systems with EMS boilers- Any combination of staged and modulating burners as well as various heat generator types such as condensing, Ecostream or low-temperature boilers- Freely configurable load limitation depending on outdoor temperature or external floating contact- Boiler sequence reversal either daily, according to outdoor temperature, according to operating hours or externally.- Parallel or serial operation mode to take into account system-specific utilisation rates- Collective fault alarm function via relay with floating contact- Parameterisable 0-10V input for external setpoint connection as temperature or capacity setpoint- Parameterisable 0-10V/0-20 mA output for external temperature setpoint request- Input for heat quantity counter - Collective fault alarm function via relay with floating contact - Parameterisable 0-10V input for external setpoint connection as temperature or capacity setpoint - Parameterisable 0-10V/0-20 mA output for external temperature setpoint request - Input for heat quantity counter - Parameterisable 0-10V output for external temperature setpoint request- Control of hot water preparation via 3-way changeover valve of the EMS boiler 1 possible in priority modeBasic equipment: - Internal communication via data bus- Coded and colour-coded connection plugs- Operating and fault indicators for module fault, status message of the individual boilers, hot water preparation, Chimney sweep functionSetting of functions via the MEC2 control unit of the Logamatic 4000 digital control system
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