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Where reheating is permitted by other parts of this standard, zones that have both supply and return/exhaust air openings greater than 6 ft above floor shall not supply heating air more than 20°F above the space temperature set point.
Exceptions to 6.5.2.1.1
  1. Laboratory exhaust systems that comply with Section 6.5.7.3.
  2. During preoccupancy building warm-up and setback.

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