Neptronic EFC User manual

EFC Thermostat
Specification & Installation Instructions
TFLxx24-CO2-180413.doc 1
Technical Data
TFL24 / TFLH24 / TFLG24 / TFLGH24
Temperature Sensor
Setpoint range
10ºC to 40ºC [50ºF to 104ºF]
Control accuracy
Temperature: ±0.4ºC [0.8ºF]
Display resolution
±0.1ºC [0.2ºF]
CO2Sensor (TFLG24 and TFLGH24 only)
Operating principle
Self-calibrating, Non-Dispersive Infrared (NDIR)
Sensor Range
0 to 2000 ppm
Setpoint range
100 to 2000 ppm
Accuracy
±30 ppm ±3% of reading
Response time
2 minutes by 90%
Display resolution
1 PPM
Humidity Sensor (TFLH24 and TFLGH24)
Sensor range
5 to 95%RH
Display resolution
0.1%
Electrical connection
Three wires to EFCB controller and two wires to BACnet/Modbus network | 0.8 mm2 [18 AWG] minimum
Network service port
Mini USB connector
Power supply
24Vac or 24Vdc
Power consumption
1 VA
Operating temperature
0ºC to 50ºC [32ºF to 122ºF]
Storage temperature
-30ºC to 50ºC [-22ºF to 122ºF]
Relative humidity
5 to 95 % non condensing
Housing degree of protection
IP 30 (EN 60529)
Weight
120 g. [0.25 lb]
Dimensions
A = 2.85” | 73mm
B = 4.85” | 123mm
C = 1.00” | 24mm
D = 2.36” | 60mm
E = 3.27” | 83mm
Certifications
Conforms to UL STD 873
Certified to CSA STD C22.2 No. 24-93
Note
The thermostat functions only with the EFCB series fan coil controller. All the inputs/outputs are located
on the controller except for the temperature, humidity, and CO2sensors built-in the thermostat.
TFL Series thermostat
for the EFC fan coil controller
Features:
Used to configure and operate the EFCB fan coil controllers
Selectable internal or external temperature sensor (10 KΩ)
Humidity sensing (TFLH24 and TFLGH24 only)
Large LCD with backlight
Icon-driven information and 1 line of text information
Three wire connection between thermostat and controller
Selectable Fahrenheit or Celsius scale
Network service port via on-board mini USB connector
CO2Features (TFLG24 and TFLGH24 only)
Built-in, self-calibrating, non-dispersive infrared (NDIR) CO2
sensor
CO2 measurement display (lockable)
TFL24
TFLH24
TFLG24
TFLGH24
A
B
C
D
E

TFL
Specification & Installation Instructions
2
Interface
C
F
%RH
MO TU WE TH FR SA SU
AM PM
.
.
.
.
Display Symbols
Cooling ON
A: Automatic
Communication Status
Alarm status
Heating ON
A: Automatic
Menu set-up Lock
Energy saving mode
Fan ON
A: Automatic
Programming mode
(Technician setting)
%RH
Percentage of humidity
Humidity ON
33, 66 or 100% output
Dehumidification ON
33, 66 or 100% output
C
or
F
ºC: Celsius scale
ºF: Fahrenheit scale
Mounting Instructions
A
E
D
C
B
CAUTION: Risk of malfunction. Remove power prior to separate thermostat cover (control module) from its base.
A. Remove the screw (captive) holding the base and the front cover of the thermostat.
B. Lift the front cover of the thermostat to separate it from the base.
C. Pull the cable through the base hole.
D. Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections.
E. Mount the control module on the base and secure using the screw (from step A).
Settings on PC Board & Connections
3 wire cable (TB1 #1, 2 & 3)
Connect TB1 #6 (A+) & #7 (B-) to EFCB for BACnet service port to work
Mode Selector Jumper
RUN = Operation Mode
PGM = Programming Mode
BACnet
service port
Avoid touching the CO2
sensor as this may cause
incorrect readings
TB1
1
2
3
4
5
6
7
PGM RUN
A
B
C
JP1
Optional: connect
to BACnet network to
enable service port
CO2 sensor
(TFLG and TFLGH24 only)
A+
DATA
PWR
COM
B-
Connect to EFCB
fan coil controller
Temperature sensor (all models)
Humidity sensor (TFLH24 and TFLGH24 only)
Mode Selection (JP1)
PGM
RUN
JP1
RUN:
Thermostat is in Operation Mode.
Thermostat must be set in this mode to
operate properly. If not locked, setpoint and
control mode (Heating & Cooling ON,
Cooling only ON or Heating only ON) can
be modified by the end user.
PGM
RUN
JP1
PGM:
Thermostat is set in Programming Mode.
Refer to the following section about all
settings description
Recycling at end of life
At end of life, please return the thermostat to your Neptronic®local distributor for recycling. If you need to find the nearest Neptronic®
authorized distributor, please consult www.neptronic.com.