Description
Copeland ZS21KAE-TFD-818 Scroll Compressor Overview
The Copeland ZS21KAE-TFD-818 is a high-efficiency scroll compressor engineered for demanding commercial HVAC and refrigeration applications. Part of Emerson’s trusted ZS-series lineup, this unit delivers 21,000 BTU of cooling capacity and operates on a 460V/3-phase power supply, making it well-suited for light commercial rooftop units, split systems, and packaged equipment where reliable, consistent performance is essential.
Key Features
- 21,000 BTU cooling capacity for effective light commercial climate control
- 460V / 3-phase power supply for compatibility with commercial electrical systems
- Scroll compressor technology for quieter, more efficient operation compared to reciprocating designs
- Copeland ZS-series platform — a proven, field-tested design trusted by HVAC professionals
- Hermetically sealed construction for long service life and reduced maintenance requirements
- Optimized vapor compression cycle for improved energy efficiency and system reliability
- Compatible with a wide range of common refrigerants used in commercial HVAC systems
Scroll Compressor Advantages
Scroll compressors operate with fewer moving parts than traditional reciprocating compressors, resulting in smoother operation, lower vibration, and reduced noise levels. The Copeland ZS-series design incorporates internal pressure relief protection and optimized scroll geometry to deliver consistent performance across a wide range of operating conditions — helping extend system life and reduce service calls.
Ideal Applications
- Commercial split system air conditioners
- Light commercial rooftop units (RTUs)
- Packaged HVAC equipment
- Replacement compressor installations in existing commercial systems
Product Specifications
- Brand: Copeland (Emerson)
- Model: ZS21KAE-TFD-818
- Cooling Capacity: 21,000 BTU
- Voltage: 460V
- Phase: 3-Phase
- Compressor Type: Scroll
- Design: Hermetic







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