Inline duct fans [Fans, Pumps, Compressors] |
Application samples
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.
F |
S1 |
S2 |
R |
Operating ferquency |
o |
- |
- |
- |
Set by an internal potentiometer |
o |
o |
- |
- |
20 Hz (Preset speed 1) |
o |
- |
o |
- |
40 Hz (Preset speed 2) |
o |
- |
- |
o |
60 Hz (Preset speed 4) |
* "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".
Title |
Function |
Setting range |
Recommended setting |
|
Command mode selection |
0: Remote, 1: Local |
0 |
|
Preset speed frequency 1 |
Low limit frequency[LL] ~ Upper limit frequency[UL] |
20 Hz |
|
Preset speed frequency 2 |
Low limit frequency[LL] ~ Upper limit frequency[UL] |
40 Hz |
|
Preset speed frequency 4 |
Low limit frequency[LL] ~ Upper limit frequency[UL] |
60 Hz |
|
Input terminal function (R) |
0 to 201 |
14 |
|
Auto-restart control selection |
0 to 4 |
1 |
Application samples (2)
|