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TABLE 1: Maximum instantaneous fan energy and fan energy consumption for 07.00 to 19.00
Test No System
configuration		 Maximum Fan
consumption (w)		 Fan saving (%) Fan Consumption
07.00 – 19.00 h (kwh)		 Fan saving (%)
1 Radial system
sensor in west leg 		2160   20.94  
2 Radial system
sensor in east leg		 2040 5.50 20.46 2.30
3 Loop system with
sensor in east leg		 1800 16.70 19.88 5.10
4 Loop system with
sensor in west leg		 1800 16.70 20.00 4.50
5 Loop with sensor
in west end of loop		 1800 16.70 19.66 6.10
6 Loop with sensor
in east end of loop		 1800 16.70 19.50 6.90