Mechanical · M-NCXM6

VAV Air Handling Unit Control Diagram

Elements

Doors Floors / Slabs Roof / Floor Openings

About this detail

This schematic details the sequence of operation and control point layout for a variable volume air handling unit. The diagram maps out the supply and return air paths including outdoor air dampers, pre-filters, carbon filters, final filters, ultraviolet lights, bi-polar ionization systems, cooling and heating coils, and multi-fan arrays with variable frequency drives. Control points and sensor inputs such as differential pressure switches, temperature sensors, relative humidity sensors, carbon dioxide sensors, and airflow measuring stations are indicated throughout. System components are coordinated with equipment manufacturers and fire life safety systems per project requirements.

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