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PRODUCT DESCRIPTION

The Energi Savr Node (ESN) family is a group of modularproducts for the control of lighting and other loads. Thisdocument describes the following products:

• ESN unit for 010 V- (models QSN-4T16-S — 0-10 V- Control/Softswitch)
• Softswitch ESN unit (models QSN-4S16-S — Softswitch)

PRODUCT FEATURES

• Default configuration requires no commissioning.
• Programming using integral interface on the ESN unit.
• Four occupancy sensor inputs for automated control oflights in 4 zones.
• Four daylight sensor inputs automatically adjust lightlevels based on the amount of natural light enteringthrough the windows.
• Four IR receiver inputs for personal control.
• Four inputs for IEC PELV/NEC Class 2 dry contact
  switches.
• Includes QS control link for seamless integration of lights,control stations, and QS sensor modules.