14.2.2.3 Install the pendant bolt 
Select  the  position  of  installation  hooks 
according to  the  hook  holes  positions showed 
in upper picture. 
Drill  four  holes  of  Ø12mm,  45~50mm  deep  at 
the  selected  positions  on  the  ceiling.  Then 
embed the expansible hooks (fittings). 
                         
Face the concave side of the installation hooks 
toward  the  expansible  hooks.  Determine  the 
length of the installation hooks from the height 
of ceiling, then cut off the unnecessary part. 
If  the  ceiling  is  extremely  high,  please 
determine  the  length  of  the  installation  hook 
depending on the real situation. 
 
14.2.2.4 Install the main body 
Make the 4 suspender through the 4 hanger of 
the  main  body  to  suspend  it.  Adjust  the 
hexangular  nuts  on  the  four  installation  hooks 
evenly, to ensure the balance of the body. Use 
a  leveling  instrument  to  make  sure  the 
levelness of the main body is within ±1°. 
                                         
 
Adjust the position to ensure the gaps between 
the body and the four sides of ceiling are even. 
The  body's  lower  part  should  sink  into  the 
ceiling for 10~12 mm. In general, L is half of the 
screw length of the installation hook. 
 
Locate  the  air  conditioner  firmly  by  wrenching 
the  nuts  after  having  adjusted  the  body's 
position well. 
            
14.2.2.5 Install the panel 
Remove the grille