7
4 Installation Instruction
4.1 Installation of the Indoor Unit
4.1.1 Dimensions Data
Dimension of ceiling opening and location of the hoisting screw (M10). The drilling of holes in
the ceiling must be done by the professional personnel. Unit:mm
650
650
640
653
421
604
570
570
400
186
Fig.2
The dimension for the ceiling openings with * marks can be as large as 910mm. But the
overlapping sections of the ceiling and the decorated surface boards should be maintained at no
less than 20mm.
(160)
Ceiling
Installation stands for main body of the unit
Above 20
Fig.3
4.1.2 Installing the Main Body Unit
(1)
Primary Step for Installing the Indoor Unit
When attaching the hoisting stand on the hoisting screw, do use nuts and gaskets individually
at the upper and lower of the hoisting stand to fix it. The use of the gasket anchor board can
prevent the gasket from breaking off.
(2)
Use of the Installation Reference Cardboard
Please refer to the reference cardboard about the dimensions of the ceiling opening.
The center of the ceiling opening is marked on the reference cardboard.