Technical data
TFHB24F3XYZ1
Specification & Installation Instructions
8
Step Display Description Values
42
%RH
External humidity sensor offset Calibration:
Display shows “extern humidty sensor offset” and relative humidity
percentage read by external humidity sensor. Humidify symbol is also
displayed.
If the sensor is not connected or short circuited, the display shows
“Eror”.
You can adjust the calibration of the sensor by comparison with a known
humidistat. For example if humidistat has been installed in an area where
humidity is slightly different than the room typical humidity.
Range: 10 to 90%RH
(max. offset ± 5%)
Increment: 0.1%RH
0.0%RH no humidity sensor
43
%RH
Humidity control ramp:
Display shows “humidty control ramp” and the value of the humidity
ramp. Humidify symbol is also displayed.
Select the desired span for the humidify ramp.
Set point range: 3 to 10%RH
Increment: 0.5%RH
Default value: 5.0%RH
44
Enable or disable anti-freeze protection:
Display shows “enable anti freeze protect”.
You can enable or disable the Anti-freeze function.
When enabled, if temperature drop to 4ºC [39ºF], heat and reheat will
start even if thermostat is in OFF mode.
Heat and reheat will stop when temperature reach 5ºC [41ºF].
Default value:
Di
s
able (NO)
45
Communication bauds rate:
Display shows “adjust comport bauds rate” and the value of the baud
rate in kBps.
Select the desired bauds for communication.
Range: 9600, 19200, 38400, 76800
Default value: 9.6 kBps
46
Communication MSTP/Mac address:
Display shows “adjust MSTP Mac address”.
Select the desired MSTP/Mac for communication.
Range: 0 to 254
Increment: 1
Default value: 1
47
Communication device instance:
Display shows “adjust device instanc 0153000”.
If you want to change the device, select
“yes” and go to next step.
If you do not want to change the device, go directly to step #1.
Default value: no
48
Communication device instance (cont’d):
Display shows the device address value.
You can modify the device address by incrementing or decrementing the
blinking digit with “
'” or “”buttons. To modify following digit on right
press , to return to digit on the left press .
Range: 0 to 4194302
Increment: 1 by digit
Default value: 0153000