Installation
 Page 116 
5. Refer to the following static pressure guidelines when 
installing the indoor unit.
Capacity(Btu/h) Static Pressure(Pa)
7k/9k 0-40
12k 0-60
18k 0-100
Change the fan motor static pressure according to external 
duct static pressure.
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.
3.4  Adjust the air inlet direction(From rear 
side to under-side.)
1. Take off ventilation panel and flange, 
Air return flange
Ventilation panel
2. Change the mounting positions of ventilation panel and 
air return flange .
Air return flange
Ventilation panel
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.
3.5  Fresh air duct installation 
Dimension : 
Duct joint for fresh air
Ø125mm(4.92”)
Ø160mm(6.3”)