Testing & Commissioning Of VAV (Variable Air Volume)

VAV Pre-Commissioning Checking & Start up procedure

• Visual inspection to ensure that all DDC panels, sensors, actuators and other system devices are installed as per the approved point list, schematic drawings and specifications.
• Check the wiring of field devices with DDC panel is correct & completed
• Set the MAC address in Controller using DIP switch.
• Supply the power to the DDC controller.
• Connect the DDC controllers to the MSTP net work.
• Assigning the software addresses to the DDC controllers
• Save the DDC controllers & their properties to the Configuring Database.

VAV Testing & Commissioning procedure

• Configure the input/output settings in the DDC program.
• Download the DDC program to the DDC controller.
• Check the space temperature and set point through thermostat.
• Check the modulating action of the VAV damper actuator as per the required cooling set point of temperature.
• Check communication of all the VAVs from the Building Management System Supplier-end and it should be able to access all the data points of each VAV controller through BMS graphics.