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The Ultimate Niagara 4 UI

Neptronic EFCB

The EFCB controller incorporates a configurable fan coil algorithm, variable three speed fan control and either modulating or digital heating and cooling outputs.

The FC Unit works in conjunction with the TDF and TDU thermostats.

Power options: Available in 24Vac and 240Vac

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Product Description

Control Features

– 4 analog inputs (0-10Vdc or 10K Ohms)
– 3 dedicated analog sensor inputs
– 4 dedicated digital sensor inputs

– 4 analog outputs (configurable)
– 4 TRIAC outputs (configurable)
– 3 fan outputs
– Up to 4 digital outputs (configurable)

• Real Time Clock (RTC) with 24 hour backup

• Congurable PI (Proportional-Integral) function

• Selectable proportional control band and dead band

• 3-speed or ECM (analog) fan control

• Selectable internal or external temperature sensor (10K Ω)

• Change over by contact or external temperature sensor

• Freeze protection

Increased Flexibility

• BACnet scheduler

• Firmware upgradeable via BACnet

• Copy and paste conguration via BACnet

• COV (change of value)

• BACnet or Modbus communication protocol selectable via thermostat menu

• Select direction on analog outputs

• Select thermostat’ s default display

• More outputs: 4 Triac and 4 Analog outputs

• And more…

  • Fully configurable application specific controller
  • Connects to room thermostat via 3 wires
  • Native BACnet MS/TP or Modbus communication (selectable)
  • 24 or 240Vac
  • Up to 11 inputs and 15 outputs
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