Comprehensive Overview of the NBY5170Y Compressor

The NBY5170Y is a high-performance compressor designed for refrigeration and air conditioning applications. Manufactured by Embraco, a leading name in the HVACR industry, this compressor is engineered to deliver reliable and efficient cooling performance. Below, we delve into the key features, specifications, and applications of the NBY5170Y compressor.

Key Features

1. High Cooling Capacity: The NBY5170Y is designed to handle demanding cooling tasks, making it suitable for both commercial and industrial applications.
2. Energy Efficiency: With a high efficiency rating (W/W), this compressor ensures optimal performance while minimizing energy consumption.
3. Robust Construction: Built to withstand harsh operating conditions, the NBY5170Y offers durability and long service life.
4. Versatile Applications: This compressor is suitable for a wide range of refrigeration and air conditioning systems, including commercial refrigerators, freezers, and air conditioning units.

Technical Specifications

• Model: NBY5170Y
• Displacement: 14.3 cm³
• Motor Type: RSCR (Reluctance Start Capacitor Run)
• Power: 1/4 HP
• Voltage/Frequency: 220-240V / 50Hz
• Cooling Capacity: 842 W (at ASHRAE nominal point)
• Efficiency: 3.1 W/W
• Refrigerant: R600a (Isobutane)
• Oil Type: AB 5
• Weight: 15 kg
• Maximum Height: 206 mm
• Locked Rotor Amps (LRA): 15 A
• Application: High Back Pressure (HBP) systems

Performance Data

The NBY5170Y compressor is designed to operate efficiently across a range of temperatures. Here are some key performance metrics:

• Nominal Point (ASHRAE): 7.2°C Evaporation Temperature / 54.4°C Condensation Temperature
• Cooling Capacity Range: Varies based on operating conditions, with a maximum capacity of 842 W at the nominal point.
• Efficiency Range: The compressor maintains high efficiency across different load conditions, ensuring energy savings.

Applications

The NBY5170Y compressor is ideal for various applications, including:

• Commercial Refrigeration: Suitable for medium to large commercial refrigerators and freezers.
• Air Conditioning: Can be used in air conditioning systems requiring high cooling capacity.
• Heat Pumps: Effective in heat pump systems for both heating and cooling.

Installation and Maintenance

• Installation: Ensure proper mounting and alignment to avoid vibrations and noise. Follow the manufacturer’s guidelines for electrical connections and refrigerant piping.
• Maintenance: Regular maintenance is crucial for optimal performance. This includes checking oil levels, inspecting electrical connections, and ensuring the compressor is free from debris.

Conclusion

The NBY5170Y compressor by Embraco is a reliable and efficient solution for demanding refrigeration and air conditioning applications. Its robust design, high cooling capacity, and energy efficiency make it a preferred choice for commercial and industrial use. Whether you are upgrading an existing system or installing a new one, the NBY5170Y offers the performance and reliability you need.

For more detailed information, including wiring diagrams and specific installation instructions, refer to the official Embraco documentation or consult with a certified HVACR technician.

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Danfoss compressors are widely recognized for their reliability and efficiency in various refrigeration and air conditioning systems. This article provides a detailed overview of the specifications of different Danfoss compressor models, focusing on capillary length, oil quantity, horsepower, and their respective applications.

Introduction to Danfoss Compressors

Danfoss is a global leader in engineering solutions, particularly in the field of refrigeration and air conditioning. Their compressors are designed to meet the demanding requirements of both commercial and residential applications. The compressors are known for their durability, energy efficiency, and low noise levels.

Key Specifications

The following table outlines the key specifications of various Danfoss compressor models:

Detailed Analysis

1. Capillary Length: The capillary length varies from 4 feet (121.92 cm) to 10 feet (304.8 cm). The length of the capillary tube is crucial as it affects the refrigerant flow and system efficiency.
2. Capillary Number: This parameter indicates the internal diameter of the capillary tube, which influences the refrigerant flow rate. The capillary number ranges from 0.26 to 0.31.
3. Oil Quantity: The oil quantity in the compressors ranges from 150 ml to 300 ml. Proper oil levels are essential for lubrication and cooling of the compressor components.
4. Horsepower (Hp): The horsepower of the compressors varies from 1/14 Hp to 1/4 Hp. This indicates the power output and suitability for different cooling capacities.
5. Compressor Number: Each compressor model has a unique identifier, such as TL2A, PW3K6, etc. These numbers help in identifying the specific model and its application.

Applications

Danfoss compressors are used in a variety of applications, including:

• Commercial Refrigeration: Models like TL2A and TL2.5A are commonly used in small commercial refrigeration units.
• Residential Air Conditioning: Compressors such as PW3K6 and PW3K7 are suitable for residential air conditioning systems.
• Industrial Cooling: Higher capacity models like FR7.5A and FR8.5A are used in industrial cooling applications.

Conclusion

Danfoss compressors offer a wide range of models to meet diverse refrigeration and air conditioning needs. Understanding the specifications, such as capillary length, oil quantity, and horsepower, is essential for selecting the right compressor for your application. With their robust design and efficient performance, Danfoss compressors continue to be a preferred choice in the industry.

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