What are the advantages of the Danfoss MLZ066T4LC9 and MLZ076T4LC9? These are high-performance, high-efficiency fully enclosed variable-speed scroll compressors, specifically designed for commercial refrigeration systems (such as condenser units and parallel compressor systems).
Variable-Speed Technology
High Energy Efficiency: By adjusting the compressor speed to precisely match the system load, energy loss caused by frequent starts and stops is avoided. The energy efficiency ratio (EER/COP) is exceptionally high under partial load conditions.
Precise Temperature Control: Smooth capacity adjustment minimizes temperature fluctuations in refrigeration/freezing spaces, which helps preserve food quality and stability.
Low Starting Current: The soft-start feature reduces the impact on the power grid during startup.
Scroll Design
High Efficiency: Compared to reciprocating compressors, scroll compressors have lower mechanical losses and higher volumetric efficiency.
Smooth Operation and Low Noise: The continuous compression process is much smoother than the pulsating operation of reciprocating compressors, resulting in significantly reduced vibration and noise levels.
High Reliability: Fewer moving parts, a simple mechanical structure, and minimal wear contribute to a longer lifespan.
Wide Operating Range
Compatible with multiple refrigerants, including R404A, R448A, R449A, R513A, and R454C, meeting both traditional refrigerant requirements and supporting next-generation environmentally friendly, low-GWP refrigerants.
Suitable for a broad range of evaporation temperatures, from medium-temperature refrigeration to low-temperature freezing applications.
Built-in Motor Protection (PTC)
The compressor is equipped with a positive temperature coefficient (PTC) thermistor, providing reliable motor overheating protection.
Optimized Oil System
A lubrication system specifically designed for variable-speed operation ensures effective lubrication across a wide frequency range.
Model Differences Explanation
The main difference between the MLZ066T4LC9 and MLZ076T4LC9 lies in their displacement and cooling capacity.
The MLZ076T4LC9 has a larger displacement, resulting in greater cooling capacity under the same operating conditions compared to the MLZ066T4LC9.
Typical Application Scenarios
Commercial Refrigeration Units: Vertical/horizontal display cases in supermarkets, deli counters.
Convenience Store Refrigeration Systems: Beverage coolers, ice cream freezers.
Small Cold Storage Rooms: Small refrigerated/frozen storage rooms in hotels and restaurants.
Condensing Units: Serving as the core component of high-efficiency condensing units.
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