ABB i-bus KNX Product Manual page 4

1.1 O peration
6 B
For operation and display, the RTF/A 1.1 is equipped with a setting wheel and 5
LEDs for displaying the current fan level.
The fan level can also be set manually using the button provided to the right of the
LEDs (override mode).
1.2 T he device LEDs
7 B
Table 1
LED Indicator
Auto Fan is in automatic mode
0 Fan level 0 = fan is off.
1 Fan level 1
2 Fan level 2
3 Fan level 3
The setting wheel can be used either for the setting set value or theshift set value
depending on the parameter settings.
1.3 B enefits of the RTF/A 1.1
8 B
• Continuous
• Manual pre-selection of the fan level if necessary
•
C hanging the operating mode
H U
• Heating and cooling modes
•
S etting wheel
H U
• Infinite control system via continuous setting value
• 3
b inary inputs
H U
and blinds
• Adjustable direction of control of the binary inputs
• Blinds and dimmers can also be controlled using one-panel operation
1.3.1 S pecial features
2 4 B
The RTF/A 1.1 has
permits the control of switch, dimmer or blind actuators.
P I room thermostat
H U U H
via presence and window objects
U H
for setting or moving set values
U H
for conventional actuators for controlling switches, dimmers
U H
3 external inputs for buttons, switches or an external sensor. This
H U U H
Description
Fan level is controlled based on the set value,
as per parameter settings.
See parameter page
Override mode:
Fan level is selected manually by pressing the
button.
O peration .
H U U H
4