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6.4.3.3.3 Optimum Start Controls
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Individual heating and cooling systems with setback controls and DDC shall have optimum start controls. The control algorithm shall, as a minimum, be a function of the difference between space temperature and occupied set point, the outdoor temperature, and the amount of time prior to scheduled occupancy. Mass radiant floor slab systems shall incorporate floor temperature into the optimum start algorithm.
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Individual heating and cooling systems with setback controls and DDC shall have optimum start controls. The control algorithm shall ...
Energy Standard for Buildings Except Low-Rise Residential Buildings 2016 of Illinois > 6 Heating, Ventilating, and Air Conditioning > 6.4 Mandatory Provisions > 6.4.3 Controls and Diagnostics > 6.4.3.3 Off-Hour Controls > 6.4.3.3.3 Optimum Start Controls
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