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✓
Temperature and CO
2
sensor
For measuring the temperature or CO
2
level in the room.
All models are equipped with a built-in temperature sensor, and the ED-RU-DOCS model includes a
built-in CO
2
sensor.
✓
Multi-function button
For selecting a fan speed, controlling room lighting or sun blinds, or for viewing the outdoor
temperature or relative humidity in the room.
Only the ED-RU-DOS model is equipped with the multi-function button.
shows an overview of the features that the different room unit models provide.
Table 3-1 Room unit features per model.
Model
LEDs
Display
Occupancy
(on/off)
button
Up/down
buttons for
setpoint
adjustment
Setpoint
adjustment
knob
Fan
speed
button
Fan
speed
switch
Temperature
sensor
CO
2
sensor
Multi-
function
button
ED-RU-H
✓
ED-RU
✓
✓
✓
ED-RU-F
✓
✓
✓
✓
ED-RU-O
✓
✓
✓
✓
ED-RU-FO
✓
✓
✓
✓
✓
ED-RU-DO
✓
✓
✓
✓
ED-RU-DFO
✓
✓
✓
✓
✓
ED-RU-DOS
✓
✓
✓
✓
✓
ED-RU-DOCS
✓
✓
✓
✓
✓
ED-RUD
✓
✓
✓
✓
✓
The room unit user interface is shown in
.
Figure 3-1 The ED-RU-FO room unit to the left and the ED-RU-DFO room unit to the right.
describes the buttons, switch, knob, and LEDs that are available on room units with and without
display.
+
0
AUTO
I
III
II
1
2
3
4
1
2 *
3
4
Room units without display
Room units with display
50
Regio
Ardo
manual, Rev. D