
18
Chapter 6
Installation
Regio Midi manual
Wiring for basic models with 3 universal outputs (RC-C3H, RC-C3,
RC-C3O)
Figure 9. Connection diagrams for basic models with 3 universal outputs
Terminal
Designation
Operation
10
G
Supply voltage 24 V AC
11
G0
Supply voltage 0 V
12-14
No function.
20
GDO
24 V AC out common for DO. Internally connected to terminal 10, G.
21
G0
0 V common for UO. Internally connected to terminal 11, G0.
22
UO3
For VAV control
alternatively
For forced ventilation. 24 V AC output, max. 2.0 A. 24 V actuator is
connected between terminal 22 and terminal 20, GDO.
alternatively
For 0…10 V DC damper control/EC-fan. The damper actuator/EC-fan
0…10 V control signal terminal is connected to terminal 22, and its
supply terminals to terminals 10 and 11. Make sure that the reference
pole G0 is connected to the correct terminal on the actuator.
alternatively
Lighting control On/Off
RDAB5-24