Johnson Controls VSD Series Variable Speed Open Drives are specifically engineered for Heating, Ventilating and Air Conditioning (HVAC) fan and pump applications. The power unit makes use of the most sophisticated semiconductor technology and a highly modular construction that can be easily adapted to customer needs. The devices are plenum-rated and available in enclosure ratings that include UL Type 1 or Type 12. Damper interlock is standard.

Product Bulletin

• VSD Series Open Drives Product Bulletin (LIT-1201794)

Catalog Page

• VSD Series Variable Speed Open Drives Catalog Page (LIT-1900251)

Selection Guide

• VSD Series Open Drives Selection Guide (PUBL-5107)

Technical Literature

• VSD Series Drives User Manual (LIT-1201828)
• N2 and XT Bus Communication User Manual (LIT-1201829)
• LONWORKS® Option Board for VSD Series Drives User Manual (LIT-1201830)
• VSD Series Quick Reference Guide (LIT-1201858)