Networkable Fan Coil Controller
Specification and Installation Instructions
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Controller Specifications
Description
EFCB10T-OE1
EFCB12T-OE1
EFCB10TU4-OE1
EFCB12TU2-OE1
EFCB12TU4-OE1
Inputs
2 fixed analog inputs (external temp. and changeover sensors);
10KΩ or contact
4 analog inputs (0-10 Vdc or 10 K
Ω via DIP switches)
3 configurable digital inputs
1 night setback or occupancy sensor input
Outputs
4 analog, 0-10 Vdc configurable outputs (changeover/cooling/heating, fan, humidity)
4 configurable TRIAC outputs (changeover/cooling/heating)
3 speed fan (Motor and/or compressor inductive ratings: ¼ Hp/10 LRA/2.5 FLA 240 Vac Maximum
Resistive ratings: 7 Amp/1680 W at 240 Vac Maximum); configurable up to 3 speeds
0, 2 or 4 configurable digital outputs (changeover/cooling/heating, humidity, 3A dry contact)
Power supply
24 Vac
240 Vac
24 Vac
240 Vac
Power consumption
8 VA max. 24 Vac thermal fused.
BACnet
BACnet
®
MS/TP @ 9600, 19200, 38400 or 76800 bps (BAS-C)
Modbus
Modbus RTU slave @ 9600, 19200, 38400 or 57600. Selectable parity and stop bit configuration:
No parity, 2 stop bit
Even parity, 1 stop bit
Odd parity, 1 stop bit
Communication
Connections
24 AWG twisted-shield cable (Belden 9841 or equivalent)
Electrical Connections
0.8 mm
2
[18 AWG] minimum
Operating temperature
0ºC to 50ºC [32ºF to 122ºF]
Storage temperature
-30ºC to 50ºC [-22ºF to 122ºF]
Relative Humidity
5 to 95% non condensing
Enclosure protection
IP 30 (EN 60529)
Weight
635 g. [1.4 lb]
Dimensions:
A = 6.30” | 160mm
B = 5.00” | 126mm
C = 2.25” | 57mm
Thermostat Specifications
Description
TFL24 and TDU Series
Temperature Sensor (TFL24 and TDU)
Setpoint Range
10ºC to 40ºC [50ºF to 104ºF]
Control Accuracy
±0.5ºC [0.9ºF] @ 22ºC [71.6ºF] typical calibrated
Display Resolution
±0.1ºC [0.2ºF]
Humidity Sensor (TFLH24, TFLGH24 and TDU models with Humidity Sensors)
Setpoint Range
10 to 65%RH
Control Accuracy
±3.5% RH
Display Resolution
0.1%
CO
2
Sensor (TFLG24, TFLGH24 and TDU models with CO
2
Sensors)
Operating Principle
Self-calibrating, Non-Dispersive Infrared (NDIR)
Sensor Range
400 to 2000 ppm
Accuracy
±30 ppm ±3% of reading (Accuracy is defined after minimum 3 weeks of continuous operation)
Response Time
2 minutes by 90%
Other
Electrical
connection
3 wires to EFCB controller and 2 wires (optional) to BACnet network service port
0.8 mm
2
[18 AWG] minimum
BACnet service port
Mini USB connector
Power supply
24Vac or 24Vdc
Power consumption
1VA
Operating
temperature
0ºC to 50ºC [32ºF to 122ºF]
Storage
temperature
-30ºC to 50ºC [-22ºF to 122ºF]
Relative humidity
5 to 95 % non condensing
Enclosure protection
IP 30 (EN 60529)
Weight
120 g. [0.25 lb]
Note:
The TFL/TDU thermostat functions only with the EFCB controller. All the inputs/outputs are located on the EFCB except for the
temperature/humidity sensor built-in the TFL/TDU.
