Neptronic EFC Manuale utente

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

TFL

Specification & Installation Instructions

Interface

%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

ºC: Celsius scale

ºF: Fahrenheit scale

Mounting Instructions

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

PGM RUN

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.

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