Installation
 Page 118 
unit and the four sides of false ceiling are even. The 
bottom of the unit should be  24mm / 0.9in higher than 
ceiling board.
Generally, L  should be half the length of the suspension 
bolt or long enough to prevent the nuts from coming off
Wall
Ceiling board
Main body
Compact cassette:24mm(0.9in)
Super-slim cassette:10 - 18mm (0.4-0.7in)
L
CAUTION:
Ensure that the unit is completely level. 
The unit is equipped with a built-in drain pump and 
float switch. If the unit is tilted against the direction of 
condensate flows (the drainpipe side is raised), the float 
switch may malfunction and cause water to leak. 
NOTE FOR NEW HOME INSTALLATION 
When installing the unit in a new home, the 
ceiling hooks can be embedded in advance. 
Make sure that the hooks do not come loose 
due to concrete shrinkage. After installing the 
indoor unit, fasten the installation paper 
template onto the unit with bolts (M6X12) to 
determine in advance the dimension and 
position of the opening on the ceiling. Follow 
the instructions above for the remainder of the 
installation.  
3.3 Compact Cassette Panel Installation
3.3.1 Remove the front grille
1. Slide the 2 grille hooks  toward the middle of  the 
decoration panel.
2. Hold the grille at a 45° angle, lift it up slightly and 
detach it from the main body.
3.3.2 Install the panel
1. Align the indicate “ ” on the decoration panel to the 
indicate “ ” on the unit .
2. Attach the decoration panel to the unit with the 
supplied screws as shown in figure below.
3. After installing the panel, ensure that there is no space 
between the unit body and decoration panel. Otherwise 
air may leak through the gap and cause dewdrop.