Vav Box Wiring Diagram
Supply connections must be made using wires rated for 75 c minimum.
Vav box wiring diagram. A variable air volume vav box is a part of an hvac system in commercial buildings. Specifically designed for precise air delivery throughout. A vav box is integral to the ductwork connecting primary ductwork to secondary ductwork. Wiring diagrams 58 appendix 66.
Vav ucm 4 2 installation operation and maintenance. 2 vav controller variable air volume vav controller wiring details page 25 power source and loads 26 grounding and isolation 27 i o and communication terminals 29 power zone bus and n2 connections 36 analog inputs 36 binary inputs 38 binary outputs 38 analog outputs 38 zone bus 39 wiring to rly50 002 relays 39. They are specifically designed for precise air delivery throughout the entire operating range regardless of the. One copy of the document is shipped withvav units that have ucm 4 2 ddc controllers and is.
Label and wiring diagram is located on the terminal for quick reference during start up. Follow the wiring piping diagram found on the side of the unit or the inside of the electric heater control panel cover. Do not use aluminum conductors. Varitrane dvav boxes vxxd andvxxe varitrac.
In many cases a variable air volume box is nothing but an assembly of a sheet metal box with a damper and controls inside a control panel. A calibration label and wiring diagram is located on the terminal for quick reference during start up. If supply connections are for 250 volts or greater all wiring must be insulated for 600v.