ITC 9521 Intelligent HVAC Control System


Integrated Tower Control System, the ITC 9521, is designed to transform an HVAC installation into an intelligent system for a variety of heat rejection applications.


Engineered to improve system stability, simplify tower automation, and reduce energy costs, the ITC 9521 is fully complementary with other automation systems, providing they use an open front-end for configuration of the heat rejection system and setpoints to another higher-level plant automation.


The ITC 9521 ships pre-programmed and has a user-friendly screen interface that enables easy field configuration. This application can transform an HVAC installation into an intelligent system that provides notifications for remote troubleshooting, onboard diagnostics, and support via the internet. 


Made possible by the highly accurate, real-time flow readings from Armstrong Design Envelope pumps, the ITC 9521 offers configuration and operating simplicity, low installed costs, and advanced capabilities for streamlining building operations. 


  • Pre-programmed, field-adjustable unit for fast and easy installation directly to chiller plant equipment
  • Software-based commissioning
  • Superior energy performance qualifies for cost recovery under utility and government rebate programs
  • Optimum plant control for up to 50% higher energy efficiency over same age, constant speed chilled water plant
  • More effective and gentle equipment operation for up to 10% in extended equipment life and reduced maintenance expenditures
  • Optional ECO*PulseTM HVAC health management (including predictive maintenance) for reduced plant failure and downtime
  • Intuitive user interface for expedient operator training and simplified, safer plant operation
  • Remote access through internet connectivity for easy troubleshooting and swift software upgrades with uninterrupted plant operation
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