Home Controls Fan Coils

EFC - Fan Coil Controls

  • Fully configurable application specific controller
  • Native BACnet MS/TP or Modbus (selectable)
  • 24, 120 or 240Vac operation
  • Up to 10 inputs and 15 outputs
  • Optional humidification and dehumidification sequences
  • Combination fan coil controller and room thermostat
  • Run control wires from fan coil unit directly to controller
  • Stand-alone
  • 24Vac
  • 2 inputs and 5 outputs
  • Combination fan coil controller and room thermostat
  • Run control wires from fan coil unit directly to controller
  • BACnet or stand-alone
  • 24Vac
  • Up to 3 inputs and 6 outputs
  • Universal applications
  • Fully configurable: 4 inputs & 8 outputs
  • 1 to 3 speed or analog (ECM) fan control
  • BMS integration via BACnet MS/TP or Modbus
  • BACnet scheduler
  • EFC

    Unit Controller
    with TFL Thermostat

    Unit Controller with TFL Thermostat

  • TFC54

    3x3 Wall Mount
    Controller

    Wall Mount Controller

  • TFC24 & TFH24

    2x4 Wall Mount
    Controller

    Wall Mount Controller

  • TUCB & TUHB

    Wall Mount Universal
    Controller

    Wall Mount Controller

EFC - Unit Controller with TFL Thermostat
Overview: 2-Pipe System

EFC Unit ControllerMounts in fan coil unit

TFL5 or TFL2 Room Thermostat3-wire connection to EFC

MultipleControl Wires
3 Wires

EFC Controller

  • TO1TRIAC
  • TO2TRIAC
  • TO3TRIAC
  • TO4TRIAC
  • AO1Cooling / Heating
  • AO2Cooling / Heating
  • AO3Analog Output 3
  • AO4Analog Output 4
  • DO1 - DO4:optional digital outputs
  • Low
  • Med
  • Hi
  • DI1 - DI4:Sensor inputs (on/off)
  • AI1 - AI6:Sensor input(analog)
  • A+BACnet/Modbus
  • B-
  • T-STAT

Details

Control Features
  • Configurable inputs:
    • 4 analog inputs (0-10Vdc or 10K Ohms)
    • 3 dedicated sensor inputs
    • 3 configurable digital inputs
  • Configuable outputs:
    • 4 analog outputs
    • 4 TRIAC ouputs
    • 3 fan ouputs
    • Up to 4 digital outputs
  • Configurable PI (Proportional-Integral) function
  • Selectable proportional control band and dead band per ramp
  • 3-speed or ECM (analog) fan control
  • Selectable internal or external temperature sensor (10KΩ)
  • Change over by contact or external temperature sensor
  • Freeze protection
  • Optional humidifcation and dehumidifcation sequences
Operational Features
  • Controller available in 24Vac, 120Vac & 240Vac
  • Available room thermostats: 2x4 (TFL24) or 3x3 (TFL54)
  • Backlit LCD with simple icon and text driven menus
  • Confiurable user display: setpoint, demand, temperature, etc.
  • Selectable Fahrenheit or Celsius scale
  • Manual night set back or no occupancy override
  • Multi level lockable access menu
  • Lockable setpoint
  • Removable, raising clamp, non-strip terminals
  • 24Vac thermal fuse for overheat protection
Network Communication
  • BACnet MS/TP or Modbus RTU (selectable via menu)
  • Select MAC address via DIP switch or via network
BACnet MS/TP
  • MS/TP @9600, 19200, 38400 or 76800 bps
  • BACnet scheduler (up to 6 events)
  • Firmware upgradeable via network
  • COV (change of value)
  • Copy and broadcast configuration to other EFCB modules via menu or network
  • Automatic baud rate detection
  • Automatic device instance configuration
Modbus RTU
  • Modbus RTU @9600, 19200, 38400 or 57600 bps
  • RTU Slave, 8 bits (configurable parity and stop bits)
  • Connects to any Modbus RTU master

Models

Pricing
Product Model List
Price
Type Extra 3A Relay
Fan Coil Unit Controllers EFCB10TU2 $ 510 24Vac 2
EFCB10TU4 $ 551 4
EFCB11TU2 $ 531 120Vac 2
EFCB11TU4 $ 572 4
EFCB12TU2 $ 531 240Vac 2
EFCB12TU4 $ 572 4
Middle East and
Asian Markets
EFCB12T-OE1 $ 490 240Vac 0
EFCB12TU2-OE1 $ 531 2
EFCB12TU4-OE1 $ 572 4
*OE1 models are for middle eastern and asian markets only
Product Model List
Price
Size Temp Humidity
Thermostats TFL54 $ 102 3x3 -
TFL24 $ 123 2x4 -
TFLH24-INT $ 429 Internal
TFLH24-EXT $ 429 External*
* price includes a SHC80 duct mount humidity sensor

Applications
  • 2 or 4 pipe systems
  • Fan coil unit (up to 3 speeds and/or analog 0-10Vdc)
  • Cooling signal (on/off or modulating 0-10Vdc)
  • Heating signal (on/off, pulse or modulating 0-10Vdc)
  • Reheat signal (on/off, pulse or modulating 0-10Vdc)
Overview: 2-Pipe System

2 Pipe System
Heat
Cool
MultipleControl Wires
TFC54F3Y1 Wall Mount Controller
Run all control wires directly to TFC54F3Y1

TFC54

  • AI1External Changeover
  • AI2NSB sensor
  • TO1*Cool/Heat
  • TO2*Optional TRIAC
  • DO1Fan High
  • DO2Fan Medium
  • DO3Fan Low
  • * Also available with analog outputs

Details

Control Features
  • Configurable inputs and outputs:
    • 2 TRIAC outputs or 2 analog outputs (depends on model)
    • 3 fan speed digital outputs (dry contacts)
    • 2 inputs
  • Selectable internal or external temperature sensor
  • Changeover by contact or external temperature sensor
  • Selectable proportional control band and dead band
Operational Features
  • 24Vac operation
  • Backlit LCD with simple icon and text driven menus
  • Selectable Fahrenheit or Celsius scale
  • Manual night set back override
  • Multi level lockable access menu
  • Lockable setpoint

Models

Stand-Alone Models
Model List
Price
On-off
(TRIAC)
Analog
(0-10Vdc)
TFC54F3Y1 $ 174 Yes -
TFC54F3X1 $ 174 - Yes
Applications
  • 2 pipe systems
  • 4 pipe systems
Overview: 2-Pipe System

TFC24

2 Pipe System
Heat
Cool
Multiple
Control Wires
TFC24 Wall Mount Controller
Run all control wires directly to TFC24
  • TO1*TRIAC(2-pipe/4-pipe)
  • TO2*TRIAC(2-pipe/4-pipe)
  • TO3*Local Reheat
  • DO1Fan High
  • DO2Fan Medium
  • DO3Fan Low
  • DI1Occupancy sensor
  • AI1Ext. temp sensor
  • AI2External changeover
  • AO12 Pipe analog(heat/cool)
  • AO2Analog output
  • AO3Reheat

  • A+Optional
  • B-BACnet
  • * Not used if set to analog control

Details

Control Features
  • Configurable inputs and outputs:
    • Up to 3 outputs (0-10Vdc, floating, on/off, or pulsed)
    • Up to 3 digital outputs (3-speed fan control)
    • Up to 3 inputs
  • Precise temperature control with programmable PI function
  • Selectable internal or external temperature sensor
  • Changeover by contact or external temperature sensor
  • Anti-freeze protection
  • 7-day schedule (select models)
  • External humidity sensor (select models)
  • Dehumidification sequence (select models)
Operational Features
  • 24Vac operation
  • Backlit LCD with simple icon and text driven menus
  • Selectable Fahrenheit or Celsius scale
  • Manual night set back override
  • Multi level lockable access menu
  • Lockable setpoint
BACnet Models Only
  • BACnet® MS/TP @ 9600, 19200, 38400, or 76800bps
  • Selectable MAC address
  • Manual or automatic device instance configuration
  • Automatic Baud Rate Detection
  • Copy and broadcast configuration to other devices with same model #

Models

BACnet Models
Model List
Price
Int. Hum.
Sensor
Ext. Hum. Sensor
(SHC80 Included)
Schedular
TFCB24F3XYZ1 $ 449 - - -
TFHB24F3XYZ1 $ 755 - Yes -
TFHB24F3XYZ2 $ 735 Yes - -
Stand-Alone Models
Model List
Price
Int. Hum.
Sensor
Ext. Hum. Sensor
(SHC80 Included)
Schedular
TFC24F3XYZ1 $ 245 - - -
TFC24F3XYZ3 $ 255 - - Yes
TFH24F3XYZ1 $ 551 - Yes -
TFH24F3XYZ2 $ 531 Yes - -
Applications
  • 2 pipe systems
  • 4 pipe systems
TUCB/TUHB - Wall Mount Universal Controller
  • Packaged AC
    Rooftop Units
  • Heat Pumps
  • Fan Coils

Details

Features
  • Fully configurable inputs (x4) and outputs (x8)
  • Fan control: 1, 2, or 3-speed (auto/on), or analog (ECM)
  • Selectable internal or external temperature sensor
  • External humidity sensor input for simple and accurate humidity control
  • Built-in humidity sensor (only with TUHB models)
  • Dehumidification sequence compensated by auto activation of reheat output
  • Inputs and outputs configurable for CO2 sensor and alarm
  • Real time clock (RTC) with 24-hour backup
  • Precise temperature control with configurable PI (Proportional-Integral) function
  • Anti-freeze protection
  • Compressor anti-cycling delay (configurable)
  • Low limit set protection (10°C / 50°F)
  • Occupancy and night set back (NSB) mode
  • Selectable direction on outputs
Network Communication
  • BACnet MS/TP or Modbus communication (selectable via menu)
  • Select MAC address via menu or via network
  • Automatic baud rate detection

BACnet MS/TP

  • Automatic device instance configuration
  • Copy & broadcast configuration via menu or via BACnet to other controllers
  • BACnet scheduler (up to 6 events per day)
  • Firmware upgradeable via BACnet
  • Supports COV (change of value)

Modbus

  • Modbus @ 9600, 19200, 38400, or 57600 bps
  • RTU Slave, 8 bits (configurable parity and stop bits)
  • Connects to any Modbus master

Models

Pricing
Model List Price BI* AI* BO* AO*
TUCB24C6X2 $ 470 2 2 6 2
TUHB24C6X2 $ 756 2 2 6 2
* fully configurable for universal applications
Applications
  • Heat pumps
  • Packaged AC rooftop units
  • Fan coils
  • Humidity control
  • CO2 alarms
  • Other heating/cooling equipment