ASHRAE-90.1-2022- - Page 165
Extracted Content
ii. The switch only operates lighting in the enclosed space in which the switch is located.
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Simulate unoccupied condition. Verify and document the following: i. All nonexempt lighting turns off. ii. Manual override switch allows only the lights in the enclosed space where the override switch is located to turn on or remain on until the next scheduled shut off occurs. c. Daylight Controls
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All control devices (photocontrols) have been properly located and field-calibrated, to set points and threshold light levels.
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Daylight controlled lighting loads adjust in response to available daylight.
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The location where calibration adjustments are made is readily accessible only to authorized personnel. d. High-End Trim and Lumen Maintenance Controls
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The initial maximum set point for power or light output for each control group of luminaires shall be documented.
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The tuned maximum set point for power or light output for each control group of luminaires shall be documented.
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Measurement of high-end trim in daylight areas shall be conducted at night.
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Where lumen maintenance controls are included, the automatic rate of increase in lighting power shall be no more than 1.0% per year.
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The high-end trim and lumen maintenance control documentation shall show the initial and tuned set point and area for each control group and summarize the overall percentage of lighting output or power reduction from tuning. The rate of increase for lumen maintenance shall be shown for each control group. e. Verification and FPT documentation shall comply with Section 4.2.5.1.2.
9.9.2 Commissioning. The energy performance of the lighting systems shall be commissioned in accordance with Section 4.2.5.2, and reporting shall comply with Section 4.2.5.2.2.
Informative Note: See Informative Appendix E and Informative Appendix H for commissioning references and guidance.
ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 163