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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
washer (3) from the upper and lower sides of the hanger bracket.
The washer fixing plate (7) will prevent the washer from falling.
(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).
• Ceiling height is shown on the side of the paper pattern for installation (5). Adjust the height of the unit
according to this indication.
Please perform one of the following, as the shape of the paper pattern for installation differs accord-
ing to the model.
Field supply
Washer (3) (accessory)
Hanger bracket
Tighten
(double nuts)
Fig. 10
[Securing the hanger bracket]
Insert
Washer fixing plate (7)
[Securing the washer]
(accessory)
Fig. 11
Paper pattern for
installation (5)
[Installation of paper pattern for installation]
Center of
ceiling opening
Screw (6)
(accessory)
Screw (6)
(accessory)
Center of main unit
Center mark of
main unit
Fig. 12
01_EN_3P161684-6K.fm Page 9 Friday, September 16, 2011 10:00 PM
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