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Officine Mario Dorin Spa
H Series _ semi-ermetic piston compressors

H Series _ semi-ermetic piston compressors

Product catalog summary

Introduction
Dorin semi-hermetic compressors are engineered to address the evolving demands of new refrigerants and market needs, emphasizing energy efficiency, reliability, and low noise levels. The product range includes displacements from 4.42 to 244.78 m3/h and nominal capacities from 0.5 to 90 hp.

Main Characteristics

High Coefficient of Performance (C.O.P.) achieved through optimized fluid dynamics, high-efficiency motors, and advanced components.
Compatibility with major refrigerants: R404A, R134a, R407C, R507, R407F, R407A.
Low noise and vibration levels.
Low gas pulsation and capability for frequency variation.
Standard IP65 electrical box across the range.

Quality Assurance
Dorin's production quality is certified according to EN ISO9001 standards, with UL-certified models available upon request.

Technical Specifications
Detailed specifications for various models include displacement, weight, oil charge, suction and discharge valve sizes, and net weight. The compressors are suitable for different evaporating temperatures, categorized as high, medium, and low.

Application Limits
Designed to operate efficiently within specified temperature ranges, ensuring optimal performance across various applications.

Performance Data
Performance data is provided for different refrigerants, showcasing the compressors' versatility and adaptability to various cooling needs.

Accessories and Additional Features
Lists available accessories and additional features that enhance the functionality and adaptability of the compressors.

Specifications and Application Limits
Specifications for "CC" models emphasize normal operation conditions, including the use of a head cooling fan or a maximum superheating of 20K. Users are advised to refer to the Dorin selection software for precise operating limits of each model.

Performance Data
Based on the European Standard EN12900, performance data for operations at 60 Hz should be multiplied by 1.18. It is crucial not to mix ester oils with other types of oils.

Refrigerant Application Limits
Application limits for various refrigerants such as R134a, R404A/R507, R407C, R407F/R407A are detailed, including evaporation and condensing temperatures.

Performance Tables
Tables provide detailed performance data for different models, including refrigerating capacity and power input across various evaporating and condensing temperatures.

Performance Specifications

Operation is based on a frequency rate of 50 Hz. For 60 Hz operation, performance data should be multiplied by 1.18.
Performance data are aligned with the European Standard EN12900.
It is crucial not to mix ester oils with other types of oils.
For systems using R407A refrigerant, a 6% reduction in both cooling capacity (Q) and power input (P) should be considered, while maintaining the same Coefficient of Performance (COP).

Performance Data Overview

Detailed performance data across various evaporating temperatures ranging from +10°C to -40°C.
Data includes refrigerating capacity (Q) in watts and power input (P) in kilowatts for different models and conditions.
Tables are organized by model series and condenser temperatures, providing a comprehensive view of performance metrics under different operational scenarios.

Key Observations from Data Tables

Refrigerating capacity (Q) and power input (P) values are provided for a wide range of temperatures, indicating the efficiency and power requirements of different models.
Performance varies significantly with changes in evaporating and condensing temperatures, highlighting the importance of selecting appropriate conditions for optimal efficiency.
Models are categorized by series, with specific data points for each, allowing for targeted analysis based on specific operational needs.

Recommendations

Ensure compliance with EN12900 standards for accurate performance assessment.
Consider the impact of frequency changes and refrigerant type on performance metrics.
Regularly review and adjust operational parameters to maintain efficiency and prevent equipment damage.

Specifications and Models
Performance data for various models of refrigeration units using refrigerant R407C are provided. Models are categorized under different series such as H4500CS, H4000CC, H3500CC, and others, each associated with specific operating conditions and dimensions.

Performance Data
Based on the European Standard EN12900, provided for a frequency rate of 50 Hz. For operations at 60 Hz, performance data should be multiplied by 1.18. Emphasizes not to mix ester oils with different oils.

Key Performance Metrics
Includes tables with detailed performance metrics such as refrigerating capacity (Q) in watts and power input (P) in kilowatts across various evaporating temperatures ranging from +10°C to -20°C.

Components and Features
Lists various components of the refrigeration units, including oil sight, oil charge plug, low and high-pressure taps, oil drain plug, crankcase heater, discharge service valve, and suction service valve.

Dimensions
Overall dimensions for each model are provided, including length, width, and height in millimeters, critical for installation and space planning.

Recommendations
Adhere to specified operating frequencies and avoid mixing different types of oils to ensure optimal performance and longevity of the refrigeration units.

Overview
Technical specifications and dimensions for various models of compressors manufactured by Officine Mario Dorin S.p.A. are provided, including detailed descriptions of components and their functions.

Key Components

Oil Sight (Spia Olio): Allows visual inspection of oil levels.
Oil Charge Plug (Tappo carica Olio): Used for adding oil to the system.
Low and High Pressure Taps (Presa Bassa/Alta Pres.): Connections for measuring system pressures.
Oil Drain Plug (Tappo scarica olio): Used for draining oil from the system.
Crankcase Heater (Resistenza carter): Prevents oil from becoming too viscous in cold conditions.
Oil Return (Tappo ritorno olio): Facilitates the return of oil to the compressor.
Service Valves (Rubinetto Compressione/Aspirazione): Used for maintenance and service operations.

Additional Features

Oil Pressure Tap (Presa alta press. pompa): For monitoring oil pressure.
Max Discharge Temp. Sensor (Sens. max temp. mand.): Monitors the maximum temperature of the discharge line.
Oil Differential Pressure Switch (Press. diff. olio elettr.): Ensures proper oil flow and pressure.
Gas Equalisation (Equalizzazione gas): Balances gas pressures within the system.

Dimensions
Dimensions for various models are listed, indicating length (L), height (H), and other relevant measurements in millimeters, crucial for installation and integration into larger systems.

Contact Information
Officine Mario Dorin S.p.A. is located in Compiobbi, Florence, Italy. Contact details include phone and fax numbers, as well as an email address and website for further inquiries.

Catalog excerpts

H Series _ semi-ermetic piston compressors-1

MOTOCOMPRESSORISEMIERMETICI MOTO-COMPRESSEURS SEMI-HERMETIQUES HALBHERMETISCHE VERDICHTER

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H Series _ semi-ermetic piston compressors-2

INDICE / TABLE OF CONTENTS / INDEX / INHALTSVERZEICHNIS ____________________________________________________________________________________________________________________________________________ Introduzione / Introduction / Introduction / Einführung Gamma completa / Complete range / Gamma complete / Produktpalette Pesi e rubinetti / Weight and valves / Poids et vannes / Gewichte und Ventile Max corrente di funzionam. / Max operating current / Max intensité de fonctionn. / Max Betriebsstrom Corrente a rotore bloccato / Locked rotor current / Courant a rotor bloqué / Anlaufstrom Accessori /...

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H Series _ semi-ermetic piston compressors-3

INTRODUZIONE / INTRODUCTION / INTRODUCTION / EINFOHRUNG Dorin semihermetic compressors are created to be even more compatible with the characteristics of new refrigerants and the demands of the market related to efficiency, reliability and low noise level. The range covers displacements from 4,42 to 244,78 m3/h and nominal capacities from 0,5 to 90 hp. The main characteristics of our compressors are: • high C.O.P. values, thanks to fluidodynamic optimisation of the internal flow paths, high efficiency motors and high tech components • suitable for all the main refrigerants available, e.g. R404A,...

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H Series _ semi-ermetic piston compressors-4

OFFICINE MARIO DORIN SINCE 1918 I N N O V AT I O N GAMMA COMPLETA / COMPLETE RANGE / GAMMA COMPLETE / PRODUKTPALETTE Serie Range Serie Serie H Alta temperatura di evaporazione fino a +5 °C/+10 °C M Media temperatura di evaporazione fino a -5 °C L Bassa temperatura di evaporazione fino a -20 °C H High evaporating temperature up to +5 °C/+10 °C M Medium evaporating temperature up to -5 °C L Low evaporating temperature up to -20 °C H Haute temperature d' evaporation jusqu' a +5 °C/+10 °C M Moyenne temperature d'evaporation jusqu'a -5 °C L Basse temperature d'evaporation jusqu'a -20 °C...

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H Series _ semi-ermetic piston compressors-5

OFFICINE MARIO DORIN SINCE 1918 Serie Range Serie Serie

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H Series _ semi-ermetic piston compressors-6

OFFICINE MARIO DORIN SINCE 1918 I N N O V AT I O N CARATTERISTICHE TECNICHE / TECHNICAL DATA / CARACTERISTIQUES TECHNIQUES / TECHNISCHE MERKMALE Serie Range Serie Serie I I Versione del motore standard. Per condizioni di funzionamento non indicate contattare il nostro servizio tecnico. I I Standard motor version. For operating conditions not indicated please contact our technical service. nn Standard version du moteur. Pour les conditions de fonctionnement pas indiquees contacter notre service tecnique. I I Standard Motor Version. Fur Betriebsbedingungen, die hier nicht aufgefuhrt sind wenden...

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H Series _ semi-ermetic piston compressors-7

OFFICINE MARIO DORIN SINCE 1918 I I Versione del motore standard. Per condizioni di funzionamento non indicate contattare il nostro servizio tecnico. I I Standard motor version. For operating conditions not indicated please contact our technical service. nn Standard version du moteur. Pour les conditions de fonctionnement pas indiquees contacter notre service tecnique. I I Standard Motor Version. Fur Betriebsbedingungen, die hier nicht aufgefuhrt sind wenden Sie sich bitte an unseren Technischen Dienst.

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H Series _ semi-ermetic piston compressors-8

I N N O VAT I O N CARATTERISTICHE TECNICHE / TECHNICAL DATA / CARACTERISTIQUES TECHNIQUES / TECHNISCHE MERKMALE Serie Range Serie Serie Versione del motore standard. Per condizioni di funzionamento non indicate contattare il nostro servizio tecnico. Il valore di corrente indicato si riferisce al collegamento diretto. Per ottenere il valore con collegamento PWS consultare il bollettino tecnico. Standard motor version. For operating conditions not indicated please contact our technical service. The current value indicated refers to the direct connection. For the value with PWS connection see technical...

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H Series _ semi-ermetic piston compressors-9

Versione del motore standard. Per condizioni di funzionamento non indicate contattare il nostro servizio tecnico. Il valore di corrente indicato si riferisce al collegamento diretto. Per ottenere il valore con collegamento PWS consultare il bollettino tecnico. Standard motor version. For operating conditions not indicated please contact our technical service. The current value indicated refers to the direct connection. For the value with PWS connecting see technical bulletin. Standard version du moteur. Pour les conditions de fonctionnement pas indiquees contacter notre service tecnique. La valeur...

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H Series _ semi-ermetic piston compressors-10

ACCESSORI / ACCESSORIES / ACCESSOIRES / ZUBEHÖR MT Protezione motore ODPS Pressostato differenziale olio elettronico Modulo elettronico protezione motore Motor protection Motor protection electronic module Oil differential pressure switch Module électronique protection moteur Pressostat différentiel d'huile électronique Öldifferenzdruckschalter elektronisch TMAX Sensore massima temperatura mandata Resistenza carter Max discharge temperature sensor Sensor max température de refoulement Résistance carter Ventilation auxiliaire Crankcase heater Olsumpfheizung Sensore ottico livello olio Teste raffreddate...

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H Series _ semi-ermetic piston compressors-11

I N N O V AT I O N SERIE - RANGE SERIES - SERIE A Accessori di normale fornitura / Standard supply / Accessoires livres normalement / Zubehorteile fur Standardauslieferung B Accessori su richiesta / Optional accessories / Accessoires sur demande / Zubehorteile auf Wunsch tk Termik

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H Series _ semi-ermetic piston compressors-12

PRESSIONE SONORA / SOUND PRESSURE / PRESSION ACOUSTIQUE / SCHALLDRUCKPEGEL Serie Range Serie Serie

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H Series _ semi-ermetic piston compressors-13

PRESSIONE SONORA / SOUND PRESSURE / PRESSION ACOUSTIQUE / SCHALLDRUCKPEGEL Serie Range Serie Serie Gli eccellenti risultati ottenuti dalla Dorin sono stati anche "certificati" da strette misurazioni intensimetriche fatte dall'Universita di Firenze secondo le norme ISO 9614-1 grado 2. La formula per ottenere la pressione sonora (Lp) ad una certa distanza (d), conoscendo la potenza sonora (Lw) e: Lp = Lw + 10 Log [K/ (4x3.142 x d x d)] dove K = Direttivita = 1 per campo libero; d = Distanza in metri. Strict intensimetric measurements made by the Florence University according to the rules ISO 9614-1...

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H Series _ semi-ermetic piston compressors

H Series _ semi-ermetic piston compressors

Catalog excerpts

All Officine Mario Dorin Spa catalogs and technical brochures