AVRF cooling unit, having a cooling capacity of 25 kW, have the following COPS: COP100% = 3.69, COP75% = 5.72, COP50% = 6.65, COP25% = 8.16. Assume that the cooling unit has 13 hours of usage daily, having standby power of 200 W and energy tariffs of 41 cents per kWh. Using NEA's recommended AEC estimation, determine the annual energy cost up to 2 decimal points. Do not include "$" in your answer.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question 4
A VRF cooling unit, having a cooling capacity of 25 kW, have the following COPS:
COP100% = 369, COP75% = 5.72, COP50% = 6.65, COP25% = 8.16.
Assume that the cooling unit has 13 hours of usage daily, having standby power of 200 W and energy tariffs of 41 cents per kWh.
Using NEA's recommended AEC estimation, determine the annual energy cost up to 2 decimal points. Do not include "S" in your answer.
Selected Answer: O 5,643.75
Correct Answer
5,584.12 0.01%
Transcribed Image Text:Question 4 A VRF cooling unit, having a cooling capacity of 25 kW, have the following COPS: COP100% = 369, COP75% = 5.72, COP50% = 6.65, COP25% = 8.16. Assume that the cooling unit has 13 hours of usage daily, having standby power of 200 W and energy tariffs of 41 cents per kWh. Using NEA's recommended AEC estimation, determine the annual energy cost up to 2 decimal points. Do not include "S" in your answer. Selected Answer: O 5,643.75 Correct Answer 5,584.12 0.01%
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