NOTE: 1.Do not put the connecting duct weight 
on the indoor unit. 
2.When connecting duct, use inflammable 
canvas tie-in to prevent vibrating. 
3. Insulation foam must be wrapped outside the 
        duct to avoid condensate. An internal duct 
        underlayer can be added to reduce noise, 
if the end-user requires. 
14.2.1.5 Adjust the air inlet direction (From 
rear side to under-side) 
1.Take off ventilation panel and flange, cut off 
the staples at side rail 
 
 
2.Change the mounting positions of ventilation 
panel and air return flange . 
 
 
3. When installing the filter mesh, fit it into the 
 flange as illustrated in the following figure. 
 
NOTE: All the figures in this manual are for 
demonstration purposes only. The air 
conditioner you have purchased may be slightly 
different in design, though similar in shape. 
 
14.2.1.7 Fresh air duct installation 
Dimension : 
 
 
 
14.2.2  Compact  cassette  indoor  unit 
installation 
14.2.2.1 Service space for indoor unit 
 
 
 
14.2.2.2 Bolt pitch