6-B162 Controls1.pdf

This is a construction document consisting of control diagrams for an HVAC system at NAVAFACS Prescott, Arizona. The document is part of the 95% Construction Documents package for an Expanded Rehab Medicine and BPS project, referenced as drawing 148-MI601.

The document contains multiple detailed control system diagrams including: a Split System Control Diagram, Unit Ventilators Control Diagram, Inline EF Control Diagram, Rooftop EF Control Diagram, AHU Control Diagram, Reheat Branch Control Sequence, and a Fan Coil Control Diagram. Key system components depicted include air handling units (AHUs), rooftop exhaust fans, reheat branches with thermostatic controls, damper controls for outdoor/return air modulation, and temperature setpoints. The diagrams specify control sequences for heating and cooling, freeze protection mechanisms, damper positioning based on space temperature requirements, and safety interlock scenarios. General notes indicate that controls contractors are responsible for system functionality, all piping components require proper graphics and labeling, and reheat branches within specified areas receive air from a dedicated supply duct. The document serves as the technical specification for implementing the automated controls and mechanical sequences necessary for proper HVAC operation throughout the facility, with controls managed through various thermostats, sensors, and actuators positioned throughout the building systems.