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3.   Features 
 
•  E-ion Air Purifying System with Patrol Sensor 
o  Active e-ions are released to catch dust particles and bring them back the large positively charged filter. 
o  Patrol Sensor color changes to indicate the dirt level in the air 
 
•  Long Installation Piping 
o  CS/CU-A9KK, long piping up to 10 meters. 
o  CS/CU-A12KK, long piping up to 15 meters. 
o  CS/CU-A18KK, CS/CU-A24KK, long piping up to 25 meters. 
o  CS/CU-A28KK, long piping up to 30 meters. 
 
•  Easy to use remote control 
 
• Quality Improvement 
o  Random auto restart after power failure for safety restart operation 
o Gas leakage protection 
o  Prevent compressor reverse cycle 
o  Inner protector to protect compressor 
o  Noise prevention during soft dry operation 
o  Blue coated condenser for high resistance to corrosion 
 
• Operation Improvement 
o  Quiet mode to reduce the indoor unit operating sound 
o  Powerful mode to reach the desired room temperature quickly 
o  24-hour timer setting