In case of "Inline duct fan", it is usually installed following operation methods:
- RUN and STOP operations by remote controls.
- Preset speed operations.
Preset speed operations
Preset speed (low, moddel, high) operations are necessary to connect like as the following table on the VF-nC3 series.
* "o" means that the signal turns on.
* The function of "R" termial is necessary to change "Reverse operation" to "Preset speed command 3".
Connection diagram of the VF-nC3
Setting table for the VF-nC3
The following table shows settings of "remote control" and "preset speed operation" for TOSVERT VF-nC3.
And we recommend to set function of "auto-restart control" for "power failure".
Application samples (2)