Armstrong Fluid Technology announces the introduction of the new IPC 9521 integrated plant control system designed to help building owners achieve greater energy efficiency in chiller plant systems. Featuring the latest advances in control technology, the IPC 9521 uses an innovative base-level platform that easily can be upgraded as installation requirements evolve. Key features that can help make a substantial difference to the performance and financial viability of HVAC designs and installations include: Resident sensorless pump feedback and parallel sensorless pump staging for variable primary systems minimizes installation costs and maximizes pump energy efficiency; embedded sequences for water-cooled variable-primary configuration, all-variable chiller plant automation and optimization; and factory configured for easy activation of the optional Armstrong ECO*Pulse HVAC health-management and diagnostics system.