Tracer™ ZN511 & ZN521

The Tracer ZN511 and ZN521 zone controllers provide digital control for several types of heating, ventilating, and air-conditioning (HVAC) equipment.

The Tracer ZN511 controls:
   • Water-source heat pumps
   • Fan coils
   • Cabinet heaters

The Tracer ZN521 controls:
   • Unit ventilators
   • Fan coils
   • Cabinet heaters
   • Blower coils

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