Fujitsu AB A30LBT Series Service Instruction page 71

Set the vertical direction adjusting scope.
For AU type
Setting Description
Standard
Upward
To prevent from draft, we recommend using "upward mode".
In certain condition, the ceiling may become dirty. In such case, we recommend
using the optional "PANEL SPACER KIT".
Standard
Upward
Swing range
1-3. Setting the Static Pressure (For AR type)
Setting Description
Normal
High static pressure 1
High static pressure 2
High static pressure 3
Determine the wind volume in each mode i.e., applicable range of static pressure,
refering to TECHNICAL MANUAL.
1-4. Setting the Outlet Directions (For AU type)
Select the setting values in the table below for using a 3-way or 2-way outlet.
(The unit is factory set to "00".)
Setting Description
4-way
3-way
(
Function Number
23
Ceiling
Outlet cross section
(
Function Number
21
(
Function Number
22
03-02
Factory setting)
Setting Value
00
01
Factory setting)
Setting Value
00
01
02
03
Factory setting)
Setting Value
00
01