I. Product Positioning
The ZR61KCE-TFD-522 is a 5.1 HP standard commercial scroll compressor in Copeland's ZR series, positioned as the core power source for medium commercial air conditioning, precision air conditioning, and chiller systems. This model uses environmentally friendly R407C refrigerant and three-phase 380-420V/50Hz power supply. It is one of the most in-demand models in the ZR series Medium Commercial Series, widely used in various air conditioning scenarios ranging from split ACs, rooftop units, and unitary systems to chiller systems.
II. Core Technical Parameters
| Parameter | Value |
| Nominal HP | 5.1 HP |
| Cooling Capacity (ARI conditions) | 14,000 W / 47,600 Btu/h |
| Input Power | 4,460 W |
| Operating Current | 8.4 A |
| COP Energy Efficiency Ratio | 3.14 W/W |
| EER | 10.7 Btu/Wh |
| Displacement | 82.6 cc/Rev. (14.4 m³/h) |
| Oil Charge | 1.95 L |
| Net Weight | 36.1 kg |
| Locked Rotor Current (LRA) | 65.5 A |
| Noise Sound Power | 71.0 dBA |
With R407C refrigerant, cooling capacity can reach 14,700 W; at -10°C evaporation temperature, cooling capacity is 8,250 W.
III. Technical Advantage Analysis
Feature – Technical Characteristics
Hermetic Compliant Scroll Structure. The ZR61KCE-TFD-522 adopts Copeland's signature scroll compression technology, reducing moving parts by approximately 70% compared to traditional reciprocating compressors. Its core structure consists of a pair of intermeshing fixed and orbiting scrolls. Driven by an eccentric shaft, the orbiting scroll revolves, forming crescent-shaped sealed chambers that contract from the outside toward the center, completing continuous gas compression.
Axial and Radial Compliance Technology. Copeland Scroll™'s unique compliance design allows the scrolls to separate slightly in the radial and axial directions during operation, enabling debris or small amounts of liquid to pass through the scrolls without causing damage. This technology gives the compressor superior liquid slug resistance and contaminant tolerance.
R407C Environmentally Friendly Refrigerant Compatibility. The ZR61KCE-TFD-522 is optimized for R407C refrigerant and also compatible with R22, R134a, and other refrigerants. R407C has an ODP of zero, complying with current environmental regulations.
Three-Phase 380-420V/50Hz Power Supply. Adapts to mainstream global industrial power standards, with a current draw of only 8.4 A, imposing lower demands on power supply lines.
Advantage – Technical Advantages
High Energy Efficiency Ratio. COP reaches 3.14 W/W, EER is 10.7 Btu/Wh. Compared to reciprocating compressors of the same power rating on the market, energy efficiency is approximately 12% higher. This means that under the same cooling demand, the ZR61KCE-TFD-522 consumes less electricity, resulting in lower electricity costs for long-term operation.
Wide Operating Range. Evaporation temperature range covers -20°C to +12.5°C, suitable for both standard air conditioning conditions (+5°C evaporation temperature) and medium-temperature cooling applications. At -5°C/40°C conditions, cooling capacity reaches 14,700 W; at +5°C/40°C conditions, cooling capacity reaches 10,100 W.
Low Noise and Low Vibration. Noise sound power is 71.0 dBA. The compression process of a scroll compressor is continuous and smooth, with minimal discharge pulsation. Compared to reciprocating compressors, noise is over 5 decibels lower, making it suitable for hotels, hospitals, office buildings, and other locations with strict acoustic environment requirements.
Multi-Unit Parallel Capability. Supports dual and triple parallel operation. Through multi-unit combinations, system capacity can be expanded to 180kW or even 330kW.
Benefit – User Benefits
For Equipment Manufacturers and Contractors: The ZR61KCE-TFD-522 means lower system design complexity and higher system reliability. The compliant scroll design enables the compressor to tolerate a certain degree of liquid slugging and contaminants, reducing the risk of failures caused by system liquid return or installation residues. At the same time, its compact structure and light weight (36.1 kg) facilitate equipment integration and on-site installation.
For End Users: This model means lower operating costs and longer equipment life. The high COP of 3.14 directly translates into electricity savings—taking a 5.1 HP air conditioner as an example, compared to low-efficiency compressors, it can save considerable annual electricity expenses. The scroll's characteristic of "breaking in rather than wearing out" allows the compressor to perform better over time, ensuring long-term stable cooling capacity.
IV. Application Scenarios
The ZR61KCE-TFD-522 is widely used in various medium commercial air conditioning systems:
| Application Scenario | Typical Use | Adaptation Reason |
| Medium Commercial AC | Central AC systems in office buildings, shopping malls, hotels | 5.1 HP mainstream power, high energy efficiency |
| Precision AC | Data centers, laboratories, medical equipment rooms | Smooth operation, precise temperature control |
| Rooftop Units / Unitary Systems | Rooftop AC units for commercial buildings | Compact design, easy integration |
| Chillers | Small to medium chiller systems | Supports multi-unit parallel, flexible capacity expansion |
| Process Cooling | Cooling applications in industrial processes | Wide evaporation temperature range, strong adaptability |
This model is especially suitable for projects with high requirements for energy efficiency and reliability. In large systems requiring multi-unit parallel operation, the ZR61KCE-TFD-522 can serve as a base unit, achieving greater cooling output through 2 or 3 units in parallel.
Summary: The Copeland ZR61KCE-TFD-522 is a 5.1 HP standard commercial scroll compressor, with core advantages of high energy efficiency at COP 3.14, low noise at 71 dBA, superior liquid slug resistance, and multi-unit parallel flexibility. This model is optimized for R407C refrigerant and is suitable for medium commercial AC, precision AC, rooftop units, chillers, and process cooling scenarios. It is the ideal choice for medium commercial refrigeration projects that balance performance, energy efficiency, and reliability.
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