Super Free Match 
 Service Manual 
 
    INSTALLATION93 
5  BU MODULE INSTALLATION 
5.1  Precaution for Installation 
  The installation of the air conditioner must be in accordance with the national and local laws and 
regulations. 
  The quality of the installation will affect the capability of air conditioner directly. The installation 
should be left to the appointed service center. Please contact your dealer after purchasing this machine. 
Professional installation workers will provide installation and test services according to the installation 
manual. 
  The air conditioner should not install in this place where the small animals exist, because they may 
cause malfunctions, smoke or fire.
 Please keep the area around the unit clean. 
 
5.2  Names of Main Parts 
 
a) FXB3A-K            b) FXB5A-K 
NO.  ①  ②  ③  ④ 
Name 
Gas piping of indoor unit 
side 
Liquid piping of indoor 
unit side 
Hanger metal 
Gas piping of outdoor unit 
side 
NO.  ⑤  ⑥  ⑦  ⑧ 
Name 
liquid piping of outdoor 
unit side 
Electrical box  Drain hole  Electrical equipment plate
 
5.3  Selection of Installation Location 
  The BU module is for indoor use. If installing in the outdoors, the location must be away from wind and 
rain. Otherwise, it maybe causes water leakage, electric shocks or fire etc. 
  The BU module must be installed on a firm and solid support which can withstand the weight of the 
module and the mounting surface must be horizontal plane. The BU module can be chosen to install in 
the ceiling, such as the ceiling of parlor, corridor, balcony, storeroom and etc 
  There is enough space for the installation and maintenance. 
  Avoid direct sunlight or other heat sources exist 
  Do not install in location that is hot or humid for long periods of time. 
  Avoid the BU module installed in the bedroom and study, where these places need to be quiet 
  BU module cannot be installed in the place of inflammable and explosive materials and severe dust, 
smoke and the other air pollution, such as the kitchen. 
  There is enough space to install drainage pipe, so that the condensed water can be discharged. 
Caution!