KNX Technical Reference Manual
ABB i-Bus
®
KNX Yucus
24
9.5
RTC function operation
9.5.1 Setting of the setpoint temperature
A single press on the up or down button will adjust the setpoint temperature by 0.5 °C.
Continues press on the up or down button will accelerate the adjustment of the set
temperature at a speed of about 2°C per second
9.5.2 Setting of Fan speed
Function will only be available if heating / cooling control is select as fan coil control. A
single press on the fan button will adjust the fan speed. Continues press on the fan button
will have no reaction. Fan speed adjustment will be in looping sequence.
9.5.3 Selection of operating state
Function will only be available if “Combine heating and cooling mode” with “on-site/via
extension unit and via object” is select. A single press on the menu button will enter into
operation mode selection (blinking of symbol). Press on up or down button will adjust the
operating mode (heating / cooling). Upon selection, symbol will stop blinking after 3 sec.
Once blinking stop, operating mode is confirmed.
9.5.4 Selection of mode
If “Combine heating and cooling mode” and “on-site/via extension unit and via object” is
Selected. ‘Menu’ button needs to be press twice to enter into mode selection else press
once will enter into mode selection. Press on up or down button will adjust the operating
mode (comfort / ECO). Upon selection, symbol will stop blinking after 3 sec. Once blinking
stop, mode is confirmed.
9.5.5 Switching between operation
When other operation page is activated via "Page Setting" parameter, need to press the
menu button 3 times to switch to other operation page.
9.5.6 On/Off RTC function
To turn on or off RTC controller, press and hold on menu button for 3 sec.
Down button
Up button
Menu, On/Off button
Switching between
operation
Fan button
