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MULTI TYPE
4 rooms type
2) Ceiling height
Select the appropriate ceiling height according to the place of installation.
For the specific height for each setting value, refer to “Installation space” in Chapter 4. "Dimensions"
on page 49.
In case of cassette type models:
The ceiling height values are for the 4-way outlet. Do not change this setting in the 3-way outlet
mode.
7000, 9000 Btu/h models cannot be installed in high ceilings. Do not change this setting.
3) Outlet directions
Select the appropriate number of outlet directions according to the installation conditions.
4) Vertical airflow direction range control
In a concealed installation, change the setting to "Fixed" (02) to restrict the movement of the upper
air outlet so that the airflow is only towards the horizontal direction.
5) Static pressure
Select the appropriate static pressure according to the installation conditions.
Function number Setting value Setting description Factory setting
20
00 Standard ♦
01 High ceiling
Function number Setting value Setting description Factory setting
22
00 4-way ♦
01 3-way
Function number Setting value Setting description Factory setting
23
00 Standard ♦
01 (Setting prohibited)
02 Fixed (Concealed)
Function number Setting value Setting description Factory setting
26
00 0 in.WG (0 Pa)
01 0.04 in.WG (10 Pa)
02 0.08 in.WG (20 Pa)
03 0.12 in.WG (30 Pa)
04 0.16 in.WG (40 Pa)
05 0.20 in.WG (50 Pa)
06 0.24 in.WG (60 Pa)
07 0.28 in.WG (70 Pa)
08 0.32 in.WG (80 Pa)
09 0.36 in.WG (90 Pa)
31 0.10 in.WG (25 Pa) (Standard) ♦
Model name Range of static pressure
ARU7RLF
0 to 0.36 in.WG (0 to 90 Pa)
ARU9RLF
ARU12RLF
ARU18RLF
ARU24RLF 0 to 0.20 in.WG (0 to 50 Pa)
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