10 
3. Specifications  
 
Model 
Indoor CS-CZ25WKE  CS-CZ35WKE 
Outdoor CU-CZ25WKE  CU-CZ35WKE 
Performance Test Condition  EUROVENT  EUROVENT 
Power Supply 
Phase, Hz  Single, 50  Single, 50 
V 230  230 
  Min. Mid. Max. Min. Mid. Max. 
Cooling 
Capacity 
kW  0.85 2.50 3.00 0.85 3.50 4.00 
BTU/h  2900  8530 10200 2900 11900 13600 
kcal/h  730 2150 2580 730 3010 3440 
Running Current  A  – 2.50 –  – 4.30 – 
Input Power  W  185 535 730 185 935 1.14k 
Annual Consumption  kWh  –  268  –  –  468  – 
EER 
W/W  4.59 4.67 4.11 4.59 3.74 3.51 
BTU/hW  15.68 15.94 13.97 15.68 12.73 11.93 
kcal/hW  3.95 4.02 3.53 3.95 3.22 3.02 
ErP 
Pdesign kW  2.5  3.5 
SEER (W/W)  6.6  6.4 
Annual 
Consumption 
kWh 133  191 
Class   A++  A++ 
Power Factor  %  – 93 –  – 95 – 
Indoor Noise 
dB-A (H/L/Q-Lo)  39 / 25 / 22  42 / 28 / 22 
Power Level dB  55 / – / –  58 / – / – 
Outdoor Noise 
dB-A (H/L/Q-Lo)  46 / - / 43  48 / - / 45 
Power Level dB  61 / - / -  63 / - / - 
Heating 
Capacity 
kW  0.85 3.40 5.20 0.85 4.00 6.70 
BTU/h  2900 11600 17700 2900 13600 22800 
kcal/h  730 2920 4470 730 3440 5760 
Running Current  A  – 3.40 –  – 4.50 – 
Input Power  W  180  730 1.45k 180  980 2.00k 
COP 
W/W  4.72 4.66 3.59 4.72 4.08 3.35 
BTU/hW  16.11 15.89 12.21 16.11 13.88 11.40 
kcal/hW  4.06 4.00 3.08 4.06 3.51 2.88 
ErP 
Pdesign kW  2.8  3.6 
Tbivalent °C  -10  -10 
SCOP (W/W)  4.3  4.3 
Annual 
Consumption 
kWh 912  1172 
Class   A+  A+ 
Power Factor  %  – 93 –  – 95 – 
Indoor Noise 
dB-A (H/L/Q-Lo)  42 / 27 / 20  43 / 33 / 20 
Power Level dB  58 / – / –  59 / – / – 
Outdoor Noise 
dB-A (H/L/Q-Lo)  47 / - / 44  50 / - / 47 
Power Level dB  62 / - / -  65 / - / - 
Low Temp. : Capacity (kW) / I.Power (W) / COP  3.77 / 1.28k / 2.95  4.86 / 1.77k / 2.75 
Extr Low Temp. : Capacity (kW) / I.Power (W) / COP  3.30 / 1.30k / 2.54  4.05 / 1.85k / 2.19