ISIRI 11574 Central station air handling units specifications and test methods for energy consumption and energy labeling instruction

Covers air units with capacity between 3570m3/h and 34000m3/h.

 

Energy classification of air conditioners with metal filters:

• Class A: I = 604
• Class B: 604 < I = 1208
• Class C: 1208 < I = 1811
• Class D: 1811 < I = 2415
• Class E: 2415 < I = 3019
• Class F: 3019 < I = 3623
• Class G: 3623 < I = 4227

 

Energy classification of air conditioner with metal filter set and one or three liters:

• Class A: I = 732
• Class B: 732 < I = 1463
• Class C: 1463 < I = 2195
• Class D: 2195 < I = 2926
• Class E: 2926 < I = 3658
• Class F: 3658 < I = 4389
• Class G: 4389 < I = 5125

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