PUMP CONTROLLER - Design Envelope 9521 Integrated Tower Control system

Description
The Integrated Tower Control 9521 is a simple and robust automation system for any cooling tower application, reducing its heat rejection load. The 9521 ITC works in a cooling tower heat rejection configuration and keeps the plant including cooling towersor fluid coolers and their fans, and Design Envelope pumps running smoothly.

Leveraging the flow readings from Design Envelope pumps, the system stability and tower automation are optimized for energy efficiency. The optimization is based on demand based control algorithms and Armstrong’s industry-leading Parallel Sensorless™ technology.

Configuration
Integrates with:
•  Cooling towers or fluid coolers and their fans;
•  Multiple variable speed Design Envelope pumps installed in a headered configuration;
•  Associated control valves, both isolation and by-pass valves;
•  Auxiliary heat rejection support systems such as water quality.

If preferred, the ITC connects seamlessly with any central building automation system (BAS) maintaining full control of the heat rejection process through the BAS.

Performance range
Controls up to five cooling towers/fluid coolers and five Design Envelope pumps. No limitations in plant size and cooling capacity.