STANDARDS AND ENERGY CLASSIFICATION IN AIR COOLED CONDENSERS

STANDARDS AND ENERGY CLASSIFICATION IN AIR COOLED CONDENSERS

Standard capacities in Air Cooled Condensers are defined in accordance with the conditions set forth in the TS EN 327

Table 3. Energy Efficiency Class
Clas s	Energy Consumption	Energy Ratio (R)*
A	Extremely low	R > =110
B	Very low	70 =< R < 110
C	Low	45 =< R < 70
D	Medium	30 =< R < 45
E	High	R < 30

There is a significant correlation between increasing energy efficiency and initial investment costs. While the initial investment costs of products with high energy efficiency is relatively high, they can be said to make up for the difference in costs in a short while.

Table 4 shows a sample comparison between two air cooled condensers assumed to use the same type of cooling fluid have the same operating conditions and equal capacities. For the comparison, the condenser capacity requirement of the system has been assumed to be 160 kW and alternative condenser designs have been made accordingly. Basic differences between sample units:

Heat transfer surfaces, Unit dimensions,
Coil surface air speeds, Electrical powers,
Energy efficiency classes, Noise levels and
Costs.

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