This graph illustrates a comparison of the design hot deck temperature, as per drawing two, to the actual hot deck temperature required, as per drawing three, by the coolest zone demand for heat. The actual temperature required in the perimeter heating, based on the demand from the coolest zone, is also presented. The average actual hot deck temperature over the five day period was 79.5°F. The average hot deck design temperature was 90.2°F. The conservation circuit trimmed an average 10.7F° off the hot deck design temperature. This reduction in hot deck temperature, which provided only enough heat to satisfy the coolest zone, allowed the mixed air temperature to be raised to an average of 65°F, which provided only enough cooling to satisfy the warmest zone. The mixed air design temperature was 55°F. The average perimeter heating water temperature was 95.2°F. The average perimeter heating water design temperature was 119°F. The conservation circuit trimmed an average 23.8F° from the design perimeter heating water temperature. DAY DAY DAY DAY DAY NIGHT NIGHT NIGHT NIGHT HOT DECK AND PERIMETER HEATING COMPARISON FROM ORIGINAL DESIGN TO CONSERVATION CIRCUIT. 8.88
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