Fan Inverter
5.4 Constant speed
Pressure control can be disabled and the fan run at a constant speed by activating DI4, see
. The frequency is set in P.1.11, which is Preset frequency 1. Constant speed can be
used, for example, to provide background ventilation when the local exhaust ventilation is not used.
6 Dimensions and technical data
See the VACON 100 Installation Manual for information about Fan Inverter dimensions and technical data.
7 Keypad
The table below shows the functions of the different Keypad buttons described in
buttons have more than one function. The keypad and menu for Fan Inverter are also described in the VACON
100 HVAC Application Manual, see
(B).
Button
Name
Function
Button
Name
Function
1
BACK/
RESET
• Move backwards in the
menu.
• Exit Edit mode.
• Reset faults with a long
press.
• Go to Main menu.
6.
DOWN
• Scroll down in the menu.
• Decrease a setting value.
2
UP
• Scroll up in the menu.
• Increase a setting value.
7.
OK
• Enter the active level/item.
• Confirm the current selec-
tion.
3.
FUNCT
• Enter Choose action page.
• Change the control place.
• Enter the control page.
8.
STOP
• Stop Fan Inverter locally.
4.
RIGHT
• Move the cursor right.
9.
LEFT
• Move the cursor left.
5.
START
• Start Fan Inverter locally.
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