Regin REGIO EEDO, Manual, Page: 32 / 108

Control functions
Figure 2-28 EC fan control behaviour in manual mode (fan speed 1, 2, or 3).
2.5.2 3-speed fan control
The 3-speed fan control function is enabled and the 3-speed fan control configuration settings are shown in
Application tool when any of the configuration values listed in
Table 2-17 are configured on a controller
output.
Figure 2-29 3-speed fan control configuration settings in Application tool.
The controller outputs 3 fan speed signals, Y1, Y2, and Y3, that are configured on the controller outputs by
using the values listed in
Table 2-17 .
In auto mode, the Y1, Y2, or Y3 signal is active when the current heating or cooling demand is higher than
the corresponding
Demand for fan speed [nr] (%) configuration setting, as illustrated in Figure 2-30 .
100%
0%
Time
80%
60%
40%
20%
Fan output (0-10 V)
Y1: Fan speed 1 signal =
Max speed setting * 0.33
Y1: Fan speed 2 signal =
Max speed setting * 0.67
Y1: Fan speed 3 signal =
Max speed setting * 1
Max speed: 90%
Speed 2 Manual fan speed
currently selected Speed 1 Speed 3
32 Regio Eedo manual, Rev. D