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COPELAND SCROLL™ ZSIKQ/E COMPRESSOR FOR REFRIGERATION
Copeland ZSIKQ compressors feature liquid injection technology controlled by CoreSense control boards which significantly widens the operating envelope and enhances reliability. ZSIKQ compressors wide range of operations are well-matched for cold rooms and chiller applications.
ZSI Scroll compressor design benefits
Emerson’s launch of scroll products revolutionized the industry and the company continues to innovate the technology leading it to what it is today:
• Design has inherent higher efficiency translating to annual electrical savings
• Fewer moving parts compared to traditional piston compressors, thus making it more reliable
• Continuous compression provides lower vibration and quieter operation
• Improved liquid handling capability due to axial and radial compliance technology
• No complex internal suction and discharge valves for quieter operation and higher reliability
Liquid injection technology controlled by CoreSense
The ZSI Scroll Compressor features Liquid Injection Technology controlled by an intelligent electronics platform—the CoreSense Control Board—which regulates liquid injection by sensing the Discharge Line Temperature (DLT). This combination both widens the operating envelope and enhances the product reliability. The CoreSense Control Board also features LED display that alerts the user of sensor status and Electronic Expansion Valve (EEV) operation. This is Emerson’s “smart compressor” strategy—allowing compressor protection, DLT and EEV status alert leading to less compressor downtime, thus providing more value to its customers.
ZSI scroll compressor key product advantages
Scroll efficiency and reliability
• COP improvement leads to annual electrical savings of 10%–30% or about $100–$500 per year as compared with reciprocating systems depending on model
• Has fewer moving parts than reciprocating compressors, thus making it more reliable
• Improved liquid handling capability due to axial and radial compliance technology
Smooth scroll movement
• Low sound and vibration leading to quieter operation
• No complex internal suction and discharge valves for higher reliability
Wide range operating envelope
• From -30°C to 0°C evaporating temperature
• Low temperature operation reliability due to liquid injection technology controlled by CoreSense
• Reduced inventory levels due to wide range application
CoreSense
• Liquid Injection Technology—controlled by CoreSense—protects the compressor from high discharge temperature failure
• Onboard control for Liquid Injection by sensing Discharge Line Temperature (DLT)
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