Table 4 - Minimum Water Requirements (Per Cycle)
5.7 Determining Actual Water Usage
To estimate the actual water usage:
1. Measure the customer’s water supply pressure.
2. Record the actual fill-time of the wash cycle after adjusting the fill-time potentiometer.
3. Refer to the calculated water usage provided in Table 5.
Table 5 - Calculated Water Usage (Fill-Time/Supply Pressure)
Sentry II with Auto-Dosing Assembly Operating Instructions 38 Effective April 1, 2000
Cooler Model Liters U.S. Gallons
400 - 1000 37.9 10.0
1,350 - 2,000 56.8 15.0
2,700 - 3,000 60.6 16.0
4,000 - 5,000 75.7 20.0
6,000 - 8,000 113.6 30.0
Measured Measured Water Supply Pressure (psig)
Fill-Time 15 psig 20 psig 30-50 psig 60 psig
(Minutes) Liters Gallons Liters Gallons Liters Gallons Liters Gallons
3.00 35.89 9.48 42.59 11.25 48.83 12.90 51.10 13.50
4.00 47.85 12.64 56.78 15.00 65.11 17.20 68.14 18.00
5.00 59.81 15.80 70.98 18.75 81.39 21.50 85.17 22.50
6.00 71.77 18.96 85.17 22.50 97.66 25.80 102.21 27.00
7.00 83.73 22.12 99.37 26.25 113.94 30.10 119.24 31.50
8.00 95.70 25.28 113.56 30.00 130.22 34.40 136.27 36.00
9.00 107.66 28.44 127.76 33.75 146.50 38.70 153.31 40.50
10.00 119.62 31.60 141.95 37.50 162.77 43.00 170.34 45.00
11.00 131.58 34.76 156.15 41.25 179.05 47.30 187.38 49.50
12.00 143.54 37.92 170.34 45.00 195.33 51.60 204.41 54.00
13.00 155.50 41.08 184.54 48.75 211.60 55.90 221.45 58.50
14.00 167.47 44.24 198.73 52.50 227.88 60.20 238.48 63.00
15.00 179.43 47.40 212.93 56.25 244.16 64.50 255.52 67.50
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