Regin REGIO EEDO, Manual, Page: 49 / 108

Room unit
Table 3-2 Button, switch, knob, and LED descriptions for room units with and without display.
Room units without display Room units with display
№ Description № Description
1 Occupancy (on/off) button with LED that indicates
the controller state 1 Occupancy (on/off) button
2 Fan speed switch 2 (*) Fan speed button (*Multi-function button on the ED-
RU-DOS model, see section
3.3.8 )
3 Setpoint adjustment knob 3 Up/down buttons for setpoint adjustment
4 LED in temperature icon that indicates if the
controller is heating or cooling 4 Display
3.2 Room units without display
Figure 3-2 shows all the different room unit models without display.
Figure 3-2 ED-RU... room unit models without display.
3.2.1 Selecting a fan speed
A fan speed is selected via the fan speed switch.
When the controller is in the state specified by the Shutdown controller state setting the fan speed is always
auto, regardless of what is selected via the room unit.
3.2.2 Performing a setpoint adjustment
A setpoint adjustment is performed by turning the knob.
3.2.3 Putting the room HVAC system in a comfort/energy saving mode or
increasing the airflow
A short press (<5 s) on the occupancy (on/off) button puts the room HVAC system in comfort mode (first
in bypass controller state, and then by default in occupied controller state), and increases the airflow
temporarily (if forced ventilation is activated).
A long press (>5 s) on the occupancy (on/off) button puts the room HVAC system in energy saving mode
(by default in unoccupied controller state).
3.2.4 LED indications
The LEDs indicate the current controller state, and if the controller is heating or cooling. Table 3-3 describes
the LED behaviour.
+
0
AUTO
I
III
II
+
0
AUTO
I
III
II
+
0
AUTO
I
III
II
+
0
AUTO
I
III
II
+ + + +
ED-RU-FO ED-RU-F ED-RU-O ED-RU ED-RU-H
Regio Eedo manual, Rev. D 49