2 
  Specifications, designs and contents in this Service Manual are subject to change without notice. 
TABLE OF CONTENTS 
1.  Safety Precautions ............................................. 3 
2.  Specifications ..................................................... 5 
2.1  CS-XE12SKUA-1  CU-XE12SKUA-1 ........... 5 
2.2  CS-XE15SKUA-1  CU-XE15SKUA-1 ........... 8 
3.  Technical Data .................................................. 11 
3.1  Cool Mode Performance Data .................... 11 
3.2  Heat Mode Performance Data .................... 13 
4.  Service Data ...................................................... 14 
4.1  Cool Mode Outdoor Air Temperature 
Characteristic .............................................. 14
 
4.2  Heat Mode Outdoor Air Temperature 
Characteristic .............................................. 16
 
4.3  Piping Length Correction Factor ................. 18 
5.  Exploded View and Replacement Parts  
List ..................................................................... 19
 
5.1  Indoor Unit .................................................. 19 
5.2  Outdoor Unit ............................................... 22