TRA-F12x-A
O
PERATION
Doc: 70-00-0792B V1.3, 20220830
© Vector Controls GmbH, Switzerland
Page 10-34
Subject to change without notice
www.vectorcontrols.com
V
ECTOR
Fan Only
In fan only mode, the fan speed can be set with the up ( ) or down ( ) button.
Heating or cooling is deactivated.
Fan Only (low)
Fan Only (medium)
Fan Only (high)
3.4.3
Temperature control
The comfort temperature set point can be adjusted in 0.5°C (1°F) steps with the up ( ) and down ( ) button and saved
ether with the operating mode button ( ), the controlling mode button ( ) or the fan button ( ). The Set symbol is
shown on the display while changing the temperature.
Confort mode (example) Temperature up
Temperature up
If the Economy mode is active, pressing the up (
) or down ( ) button will change the controller into the
comfort mode.
3.4.4
Fan speed
The fan speed can be changed between auto, low, medium and high fan speed by pressing the fan button ( ).
Fan auto
Fan low
Fan medium
Fan high
3.4.5
Controller start up
Normal start-up
During start-up, the backlight of the display and all LCD segments are shown for two seconds. Then the software version
and revision are shown for two seconds on the small digits (format: 1r0, means version 1 revision 0).
For TRA-F121-A, the Modbus address of the controller is shown for two seconds.
Display test
Software version (example) Modbus address (example)
