# Author Notes Table Snafu in Article

## Reading over "Playing the Smart Hand" (Jan. 2001, p. 42), I noticed that Table 3, Chiller Algorithm Output, was not the latest one that I had sent with my article revision.The electric chiller calculation that was shown on the table in the magazine was missing the kilowatt/ton in the formula.Kent W.

02/01/2002

Reading over "Playing the Smart Hand" (Jan. 2001, p. 42), I noticed that Table 3, Chiller Algorithm Output, was not the latest one that I had sent with my article revision.

The electric chiller calculation that was shown on the table in the magazine was missing the kilowatt/ton in the formula.

Kent W. Peterson, P.E., Chief Mechanical Engineer and Principal, P2S Engineering, Long Beach, Calif.

Chiller Algorithm Output

 Example 1 Example 2 Example 3 Gas (\$/therm) \$ 0.35 \$ 0.35 \$ 0.35 Electric (\$/kWh) \$ 0.05 \$ 0.12 \$ 0.18 Plant Load (Tons) Best Chiller Combination Cost/Ton-Hr Best Chiller Combination Cost/Ton-Hr Best Chiller Combination Cost/Ton-Hr 400 2 \$0.031 1 \$0.066 1 \$0.075 500 2 \$0.029 1 \$0.057 1 \$0.065 600 2 \$0.028 2 \$0.068 3 \$0.089 700 2 \$0.028 2 \$0.068 3 \$0.082 800 2 \$0.028 3 \$0.066 3 \$0.075 900 2 \$0.029 3 \$0.061 3 \$0.069 1,000 5 \$0.029 3 \$0.057 3 \$0.065 1,100 5 \$0.029 4 \$0.068 4 \$0.094 1,200 5 \$0.028 4 \$0.067 4 \$0.093 1,300 5 \$0.028 4 \$0.066 4 \$0.092 1,400 5 \$0.028 4 \$0.067 6 \$0.092 1,500 5 \$0.028 6 \$0.068 6 \$0.090 1,600 5 \$0.028 6 \$0.067 6 \$0.088 1,700 5 \$0.028 6 \$0.066 6 \$0.087 1,800 5 \$0.029 6 \$0.065 6 \$0.086 1,900 5 \$0.030 6 \$0.065 6 \$0.087 2,000 5 \$0.031 6 \$0.066 6 \$0.088