5 
2. Specification 
Indoor CS-S9NKUW-1  CS-S12NKUW-1 
Model 
Outdoor CU-S9NKU-1  CU-S12NKU-1 
Performance Test Condition  ARI  ARI 
Phase, Hz  Single, 60  Single, 60 
Power Supply 
V 208 230 208 230 
  Min.  Mid. Max. Min.  Mid. Max. Min.  Mid. Max. Min.  Mid. Max. 
kW  1.20 2.49 3.00 1.20 2.49 3.00 1.20 3.48 3.85 1.20 3.48 3.85 
Capacity 
BTU/h  4100  8500 10200 4100  8500 10200 4100 11900 13100 4100 11900 13100
Running Current  A  - 3.7 -  - 3.3 -  - 5.1 -  - 4.6 - 
Input Power  W  250 700 900 250 700 900 250 1.00k 1.15k 250 1.00k 1.15k
W/W  4.80 3.56 3.33 4.80 3.56 3.33 4.80 3.48 3.35 4.80 3.48 3.35 
EER 
Btu/hW  16.40 12.10 11.30 16.40 12.10 11.30 16.40 11.90 11.35 16.40 11.90 11.35
Power Factor  %  - 91 -  - 92 -  - 94 -  - 95 - 
dB-A  40 / 25 / 20  40 / 25 / 20  43 / 28 / 20  43 / 28 / 20 
Indoor Noise (H / L / QLo) 
Power Level dB  56 /  -   56 /  -   59 /  -   59 /  -  
dB-A  45 / - / -  47 / - / -  46 / - / -  48 / - / - 
Cooling 
Outdoor Noise (H / L / QLo) 
Power Level dB  60 /  -   62 /  -   61 /  -   63 /  -  
Max Current (A) / Max Input Power (W)  4.1 / 900  5.4 / 1.22k 
Starting Current (A)  3.7  5.1 
Min Circuit Ampacity  15.0  15.0 
Max. Overcurrent Protection  15.0  15.0 
Type    Hermetic Motor (Rotary)  Hermetic Motor (Rotary) 
Motor Type    Brushless (6 poles)   Brushless (6 poles) 
Compressor 
Output Power  W  700  700 
Type    Cross-flow fan  Cross-flow fan 
Material   ASG20K1  ASG20K1 
Motor Type    Transistor (8 poles)  Transistor (8 poles) 
Input Power  W  47.0 - 47.0  47.0 - 47.0 
Output Power  W  30  30 
QLo rpm  610  630 
Lo rpm  710  790 
Me rpm  920  1030 
Hi rpm  1130  1270 
Indoor Fan 
Speed 
SHi rpm  1230  1400 
Type   Propeller  Propeller 
Material   PP  PP 
Motor Type    Induction (6 poles)  Induction (6 poles) 
Input Power  W  -  - 
Output Power  W  28  28 
Outdoor Fan 
Speed  Hi  rpm  760 - 840  760 - 840 
Moisture Removal  L/h (Pt/h)  0.6 (1.3)  1.1 (2.3) 
QLo m
3
/min (ft
3
/min)  5.65 (199)  5.30 (187) 
Lo m
3
/min (ft
3
/min)  6.76 (239)  6.98 (246) 
Me m
3
/min (ft
3
/min)  9.08 (321)  9.49 (335) 
Hi m
3
/min (ft
3
/min)  11.4 (400)  12.0 (425) 
Indoor Airflow 
SHi m
3
/min (ft
3
/min)  12.51 (442)  13.36 (472) 
Outdoor 
Airflow 
Hi m
3
/min (ft
3
/min)  29.7 (1050)  31.0 (1095)  29.7 (1050)  31.0 (1095)