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Section 405 Systems Control

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405.1 General
Mechanical ventilation systems shall be provided with manual or automatic controls that will operate such systems whenever the spaces are occupied. Air-conditioning systems that supply required ventilation air shall be provided with controls designed to automatically maintain the required outdoor air supply rate during occupancy.

Related Code Sections

403.3.2.4 Ventilation, System Controls
Where provided within a dwelling unit, controls for outdoor air ventilation systems shall include text or a symbol indicating the system's function ...
403.3.2.4 Ventilation, System Controls
Where provided within a dwelling unit, controls for outdoor air ventilation systems shall include text or a symbol indicating the system's function ...
Section 405 Ventilation, Systems Control
Mechanical ventilation systems shall be provided with manual or automatic controls that will operate such systems whenever the spaces are occupied ...
Section 405 Ventilation, Systems Control
Mechanical ventilation systems shall be provided with manual or automatic controls that will operate such systems whenever the spaces are occupied ...
Section 405 Ventilation, Systems Control
Mechanical ventilation systems shall be provided with manual or automatic controls that will operate such systems whenever the spaces are occupied ...