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DANFOSS Refrigeration & Air Conditioning
compressors MT - MTZ - NTZ

compressors MT - MTZ - NTZ

Product catalog summary

Overview: This document serves as a quick reference guide for Maneurop® reciprocating compressors, specifically the MT, MTZ, and NTZ models, focusing on 60 Hz applications. It includes specifications for various refrigerants and operational frequencies.

Nomenclature: The compressor model coding system is explained, detailing the significance of each part of the model number, such as motor voltage code, displacement, and oil type. For instance, 'NTZ' indicates a new low-temperature reciprocating compressor with polyolester lubricant.

Dimensions: Dimensions for single and tandem compressors are provided in millimeters, categorized by the number of cylinders (1, 2, or 4). Tandem models are also detailed.

Model Specifications: Various models are listed with their respective swept volume, displacement, cylinder number, oil charge, and net weight. Models are categorized under low back pressure and medium-high back pressure applications.

Performance Data: Performance data is provided for different refrigerants (R404A, R507, R407A/C/F, R134a, R22, R417A) across various models. Key parameters include evaporating temperature (To), condensing temperature (Tc), cooling capacity (Qo), and power input (Pe). The data is presented in tables for easy reference.

Key Observations: The document emphasizes the importance of selecting the correct model based on application requirements, such as pressure conditions and refrigerant type. Performance data tables are crucial for understanding the operational efficiency and capacity of each compressor model under different conditions.

Specifications: Multiple MTZ compressor models are listed, each with specific cooling capacities (Qo) and power inputs (Pe) at varying evaporating (To) and condensing temperatures (Tc). The data is presented for a voltage of 460V / 3 / 60 Hz, with superheat at 11.1 K and subcooling at 8.3 K.

Company Background: Danfoss Commercial Compressors is a global leader in the manufacturing of compressors and condensing units for refrigeration and HVAC applications. With over 40 years of experience, Danfoss offers a wide range of energy-efficient products that reduce total life cycle costs and respect the environment.

Applications: Danfoss compressors are used in various applications, including rooftops, chillers, residential air conditioners, heat pumps, cold rooms, supermarkets, milk tank cooling, and industrial cooling processes.

Product Range: The document mentions several product lines, including Danfoss Inverter Scrolls, Turbocor Compressors, Optyma Condensing Units, and Maneurop Reciprocating Compressors.

Catalog excerpts

ENGINEERING ^/J-nrJfjW^ Quick reference Maneurop® reciprocating

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Quick reference Single compressors (all dimensions in mm) 1 cylinder 2 cylinders 4 cylinders Tandem model (all dimensions in mm) D Compressor type Oil equalisation port and sight glass Polyolester oil Generation index KBtu/h @ ARI.60Hz Displacement code NT Z 048 A 4 L R1 A NT: New low temperature reciprocating compressors Z: Polyolester lubricant Evolution index, indicating compressor modifications Equipment version (R1: Rotolock connections, oil equalisation connection and sight glass) Motor protection (L: Internal Motor Protection) Motor voltage code

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Performance data Quick reference NTZ - R404A / R507A Model To: Evaporating temperature in °C Tc: Condensing temperature in °C Qo: Cooling capacity in W Pe: Power input in kW Superheat = 10K; Subcooling = 0 K Suction temp. = 20°C; Subcooling = 0 K To: Evaporating temperature in °C Tc: Condensing temperature in °C Qo: Cooling capacity in W Pe: Power input in kW

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Quick reference Performance data

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Legend: To: Evaporating temperature in °C Qo: Cooling capacity in W Superheat = 11.1 K Voltage: 460V/3 / 60 Hz Tc: Condensing temperature in °C Pe: Power input in kW Subcooling = 8.3 K

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Danfoss Commercial Compressors is a worldwide manufacturer of compressors and condensing units for refrigeration and HVAC applications. With a wide range of high guality and innovative products we help your company to find the best possible energy efficient solution that respects the environment and reduces total life cycle costs. We have 40 years of experience within the development of hermetic compressors which has brought us amongst the globa leaders in our business, and positioned us as distinct variable speed technology specialists. Today we operate from engineering and manufacturing facilities...

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