English
9
5. INDOOR UNIT INSTALLATION
Installing optional accessories (except for the decoration panel) before installing the indoor unit is
easier. However, for existing ceilings, install fresh air inlet component kit and branch duct before
installing the unit.
As for the parts to be used for installation work, be sure to use the provided accessories and specified
parts designated by our company.
(1) For new ceilings
(1-1) Install the indoor unit temporarily.
• Attach the hanger bracket to the suspension bolt. Be sure to fix it securely by using a nut and wash
-
er (3) from the upper and lower sides of the hanger bracket.
The washer fixing plate (7) will prevent the washer from falling.
Field supply
Washer (3) (accessory)
Hanger bracket
Tighten
(double nuts)
Insert
Washer fixing plate (7)
(accessory)
[Securing the hanger bracket]
[Securing the washer]
Fig. 9
Fig. 10
(1-2)
Refer to the paper pattern for installation (5) for ceiling opening dimension.
Consult the builder or carpenter for details.
•
The center of the ceiling opening is indicated on the paper pattern for installation.
The center of the unit is indicated on the triangular mark to the unit bottom and on the paper pattern
for installation.
• Fix the paper pattern to the unit with screws (6) (×4).
At this time, fix the paper pattern for installation (5) while aligning the triangular mark on the paper
pat¬tern for installation (5) with the triangular mark on the unit main body.
Center of main unit
Center mark of
main unit
Screw (6)
(accessory)
Center of ceiling opening
Paper pattern for installation (5)
Screw (6)
(accessory)
Fig. 11
[Installation of paper pattern for installation]
