Carrier 38QUS012D8S Service Manual page 82

Indoor unit installation
Change the fan motor static pressure corresponding 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.
3.8.5 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 explanation purpose only. They may be slightly different from the
air conditioner you purchased.
Installation 80