AIR 240
Direct Digital Controls (DDC) I
Northern Virginia Community College · UGRD · Fall 2026
1 section
Catalog description
Studies the principles of direct digital controls. Presents common terms used within the HVAC control industry. Covers the function and operating characteristics of sensors, controllers, and final control devices. Highlights transfer function for a control devise and details the development of equations for typical control transfer functions. Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week. An additional career and technical education course specific fee of $25.00 per credit hour applies to this course. The price is discounted 50% to $12.50 per credit hour for the 2026-27 academic year only.
Sections
Current meeting, instructor, credit, and enrollment details
001
Availability not recently verifiedClass #northern_virginia-0056Fall 2026UGRD3 credits
- Days & times
- No scheduled meeting time
- Meeting dates
- —
- Location
- —
- Instructor
- Staff
Class numbers and section codes come from the registrar.
Spot missing or incorrect course data?