Spec Sheet

66
ENERGY SAVINGS ARE SMART SAVINGS
Take control of your energy savings with our optional DemandSmart™ Energy Management System (8-15 kw), which includes the
controller, variable-speed drive, and airend to create greater overall efficiency. This innovative design maximizes energy savings and
reduces overall operating costs.
INTELLIGENT VARIABLE SPEED DRIVE
One of the ways the DemandSmart system in Nx Series compressors maximizes energy savings is with a variable speed drive (VSD).
The VSD allows you to match your energy usage to current system demands, eliminating the need to overpressure the system, so you’ll
save money by not wasting energy.
In addition, the soft starting capability of FS-Curtis’ VSD reduces inrush current requirement, decreasing your power demand — and, of
course, increasing your energy savings.
• The VSD — time-proven directly coupled design — offers faster response and greater operational efficiency
• Variable operation slows airend speed, which lowers energy costs and reduces noise
• Matching the operating speed with changes in demand reduces component wear
• With DemandSmart technology, the VSD enhances quality by stabilizing air pressure at 1 psi increments
• Built-in DC choke protects against harmonic disturbances and eliminates the need to source additional corrective devices
Installation
Maintenance
Investment
Energy
Without VSD
Installation
Maintenance
Investment
Energy
Energy Savings
VSD
Nx SERIES WITH
VSD LIFE CYCLE
COSTS OVER 5 YEARS
ENERGY SAVINGS WITH VSD
COMPARING LOAD/NO-LOAD
POWER CONSUMPTION