Technical data

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Fan Coil Thermostat

Specification & Installation Instructions

TFCB24F3XYZ1-121112-ESA.doc 1

Fan Coil Thermostat with BACnet

Communication Port

Technical Data

TFCB24F3XYZ1

Inputs

1 Digital input (24 Vac or dry contact)

1 Analog input (external temperature sensor 10K)

1 Analog input (change over 10K or dry contact)

Outputs

1 Fan analog or 3 Fan speed dry contracts 24 Vac, 1A max 3A in-rush

2 Analog outputs (cooling and/or heating 0-10Vdc)

1 Analog output (local reheat 0-10Vdc )

2 Triacs output (cooling and/or heating) 24 Vac, 0.3A max fused / triac

1 Triac output (local reheat) 24 Vac, 0.3A max fused / triac

Power supply

22 to 26 Vac 50/60Hz

Power consumption

1 VA max

Set point range

10ºC to 40ºC [50ºF to 104ºF]

Control accuracy

Temperature: ±0.4ºC [0.8ºF]

Proportional band

0.5ºC to 5ºC [1ºF to 10ºF] adjustable (heat/cool/reheat independent)

Dead band

0.3ºC to 5ºC [0.6ºF to 10ºF] adjustable (heat/cool/reheat independent)

Electrical connection

0.8 mm

[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

Degree of protection of housing

IP 30 (EN 60529)

Weight 160 g. [0.36 lb]

Dimensions

A = 2.85 in (73mm)

B = 4.85 in (123mm)

C = 1.00 in (24mm)

D = 2.36 in (60mm)

E = 3.27 in (83mm)

Interface

%RH

MO TU WE TH FR SA SU

Symbols on display

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)

ºC: Celsius scale

ºF: Fahrenheit scale

Features:

 Attractive modern look with large LCD and backlight

 Icons driven information and 1 line of text information

 2 Pipes Analog, ON/OFF or Floating

4 Pipes Analog, ON/OFF with local re-heat function

 Auto fan and ON/OFF function enable or disable

 Precise achieve temperature control with programmable PI function

 Independent cooling & heating no occupancy set point

 Lockable Set point / Control mode

 Selectable internal or external temperature sensor

 Change over by contact or external temperature sensor

 Celsius or Fahrenheit scale selectable

 Anti-freeze protection

 BACnet

MS/TP @ 9600, 19200, 38400, or 76800 bps

o Selectable device instance and MAC address via menu

o Automatic Device Instance Assignment

o Automatic Baud Rate Detection

o Copy and broadcast configuration to other TFCB controllers

TFCB24F3XYZ1

Summary of content (16 pages)

PAGE 1
Fan Coil Thermostat Specification & Installation Instructions Fan Coil Thermostat with BACnet® Communication Port Features: TFCB24F3XYZ1  Attractive modern look with large LCD and backlight  Icons driven information and 1 line of text information  2 Pipes Analog, ON/OFF or Floating 4 Pipes Analog, ON/OFF with local re-heat function  Auto fan and ON/OFF function enable or disable  Precise achieve temperature control with programmable PI function  Independent cooling & heating no occupancy
PAGE 2
TFCB24F3XYZ1 Specification & Installation Instructions Mounting Instructions A B C D E CAUTION: Risk of malfunction. Remove power prior to separate thermostat cover 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 wire through the base hole. D. Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections. E.
PAGE 3
TFCB24F3XYZ1 Specification & Installation Instructions Programming Mode When in this mode this symbol is displayed. Please press on button to advance to the next program function, press on button to return to preceding stage and press on button or to change value. You can leave the programming mode at any time, changed values will be recorded.
PAGE 4
TFCB24F3XYZ1 Step Display Specification & Installation Instructions Description Set signal for 2 pipe system: Display shows “select 2 pipe signal”. Cooling and heating symbols are also displayed. Select which signal output you want for your 2 pipe system. You can choose analog, on/off or floating output. If you select analog, AO1 will be set in automatic heat/cool change over. If you select on/off, TO1 will be set in automatic heat/cool change over.
PAGE 5
TFCB24F3XYZ1 Step Display 17 Specification & Installation Instructions Description Maximum voltage of the heating output: Display shows “max vdc analog output heating” and the value of the minimum voltage of the heating ramp. Please select the desired value of the maximum voltage of the heating ramp. (This is the “span” value) Values Range: 0.0 to 10.0 Volt Increment: 0.1 Volt Default value: 10.0 Volt The maximum value is restricted by the minimum value (step #16).
PAGE 6
TFCB24F3XYZ1 Step 25 26 27 28 29 Display Specification & Installation Instructions C Description Reheat dead band: Display shows “control dead band reheat” and the value of the reheat dead band, heating symbol is also displayed. Please select the desired value of reheat dead band. C Proportional band in heating: Display shows “control ramp HEATing” and the value of the heating proportional band, heating symbol is also displayed. Please select the desired value of heating proportional band.
PAGE 7
TFCB24F3XYZ1 Step Display Specification & Installation Instructions Description Minimum voltage of the fan output: Display shows “min vdc analog output fan” and the value of the minimum voltage of the fan ramp. Please select the desired value of the minimum voltage of the fan ramp. (This is the “zero” value) 34 Values Range: 0.0 to 10.0 Volt Increment: 0.1 Volt Default value: 0.0 Volt The minimum value is restricted by the maximum value (step #35).
PAGE 8
TFCB24F3XYZ1 Step 42 43 44 Display C C Specification & Installation Instructions Description Heating set point during no occupancy: Display shows “no occ heating setpnt” and the value of the heating set point temperature during no occupancy period. Moon and heating symbols are also displayed. Please select the heating set point temperature during no occupancy. The maximum value is restricted by the no occupancy cooling set point.
PAGE 9
TFCB24F3XYZ1 Specification & Installation Instructions Select “start” address: Display shows “Select begin address”. Select the first address you want to copy to. 50 51 For example if you select address 1 here and 54 in the next step, all the devices from 1 to 54 will receive the configuration of the current device. Select “end” address: Display shows “Select end address”. Select the last address you want to copy to. You cannot copy on more than 63 addresses at once.
PAGE 10
TFCB24F3XYZ1 Specification & Installation Instructions BACnet Program Mode (available when in Operation Mode; JP1 set to RUN) Push on both and buttons for 5 seconds to access the BACnet Program Mode. Step Display B1 Description Values Password: Display scrolls “ENTER PASSWRD” and 000. You have 1 minute to enter the password using the arrow buttons and increase or decrease the value, one digit at a time. Press to move to the next digit and press to move one digit to the left. Password: 637 .
PAGE 11
TFCB24F3XYZ1 Step Display Specification & Installation Instructions Description Select “end” address: Display shows “Select end address”. Select the last address you want to copy to. You cannot copy on more than 64 addresses at once. B8 Copy config result: Display shows “Copy config succeed” if everything went ok. If not, you will be able to scroll the addresses and see the error message associated with each address.
PAGE 12
TFCB24F3XYZ1 Specification & Installation Instructions Annex – Error Codes for Copy Config Succeed: If there are problems with the copy, user will be able to scroll through the range of addresses to find out the error codes for each address. CC1 In the event that some worked, they will be labelled as “succeed” with the address shown underneath. Program mode error: Display shows “progerr” with the address shown underneath. CC2 The target device is in program mode, the copy is not possible.
PAGE 13
TFCB24F3XYZ1 Operation Mode Step A Specification & Installation Instructions Description At powering up, thermostat will light display and activate all LCD segments during 2 seconds. Illuminating the LCD. To illuminate the LCD, you just have to push onto any of the 4 buttons. LCD will light for 4 seconds. Temperature display In operation mode, thermostat will automatically display temperature read.
PAGE 14
TFCB24F3XYZ1 Specification & Installation Instructions Notes: 14
PAGE 15
TFCB24F3XYZ1 Specification & Installation Instructions Notes: 15
PAGE 16
TFCB24F3XYZ1 Specification & Installation Instructions Notes: 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.