Fan Coil Thermostat
Specification & Installation Instructions
TFHB24F3XYZ1/100910
1
Fan Coil Thermostat with BACnet
®
Communication Port
Technical Data
TFHB24F3XYZ1
Inputs
1 Digital input (24Vac or dry contact)
1 Analog input (humidification 0-10Vdc)
1 Analog input (change over 10Kohms or dry contact)
Outputs
1 Fan analog or 3 Fan speed dry contracts 24Vac, 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) 24Vac, 0.3A max fused / triac
1 Triacs output (local reheat) 24Vac, 0.3A max fused / triac
Power supply
22 to 26Vac 50/60Hz
Power consumption
1 VA max
Set point range
Temperature: 10ºC to 40ºC [50ºF to 104ºF], Humidity: 10 to 65%RH
Control accuracy
Temperature: ±0.4ºC [0.8ºF], Humidity: ±3.5%
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
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
Degree of protection of housing
IP 30 (EN 60529)
Weight
160 g. [0.36 lb]
Interface
C
F
%RH
MO TU WE TH FR SA SU
AM PM
..
..
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)
%RH
Percentage of
humidity
Humidity
Dehumidification ON
C
or
F
ºC: Celsius scale
ºF: Fahrenheit scale
Dimensions
A
B
C
D
E
-
Dimension
Imperial (in)
Metric (mm)
A
2.85 73
B
4.85 123
C
1.00 24
D
2.36 60
E
3.27 83
Features:
x
Attractive modern look with large LCD and backlight
x
Icons driven information and 1 line of text information
x
2 Pipes Analog, ON/OFF or Floating or
4 Pipes Analog, ON/OFF with local re-heat function
x
Auto fan and ON/OFF function enable or disable
x
External humidity sensor input and dehumidification sequence
(compensated by auto-activation of the reheat output)
x
Precise achieve temperature control with programmable PI function
x
Independent cooling & heating no occupancy set point
x
Lockable Set point / Control mode
x
Change over by contact or external temperature sensor
x
Celsius or Fahrenheit scale selectable
x
Anti-freeze
protection
x
BACnet
®
MS/TP @ 9600, 19200, 38400, 76800bps
x
Selectable device Instance and MAC Address via technician menu
TFHB24F3XYZ1
