1. Portion of air conditioner
  
    
      1.1: Top, front, right-side perspective view
  
    
      1.2: Bottom, front, left-side perspective view
  
    
      1.3: Front
  
    
      1.4: Back
  
    
      1.5: Left
  
    
      1.6: Right
  
    
      1.7: Top
  
    
      1.8: Bottom
  
    
      1.9: Reference view
  This article is a frame-type air conditioner; the broken lines shown in reproductions 1.1to 1.8depict portions of the air conditioner that form no part of the claimed design; reproduction 1.9shows a state of use with the front panel being combined and forms no part of the claimed design; the shading lines are used to show the surface of the claimed design and do not represent its surface ornamentation.