Two Stage Semihermetic Compressors

Product catalog summary

Introduction
The document introduces a new range of two-stage semi-hermetic compressors derived from the existing H compressor range. These compressors are available in 4 and 6 cylinder versions and include a factory-assembled liquid subcooler. They offer displacements from 56 m3/h to 122 m3/h in the low-pressure stage and motor duties from 15 HP to 40 HP. The design allows the compressor body to operate at intermediate pressure, reducing the need for external pipes and potential leakage points.

Application Limits
The compressors are designed to operate efficiently with an evaporation temperature capability down to -75°C using R404A refrigerant.

Technical Data
Detailed technical specifications are provided, including displacement volumes, number of cylinders, and net weight for various models. The compressors feature compact dimensions and optimized low-pressure/high-pressure volume ratios, ensuring high COP levels and low sound emissions.

Accessories
Standard accessories include a crankcase heater, liquid subcooler, filter-indicator, solenoid valve, expansion valve, and non-return valve. Motor protection modules and oil differential pressure switches are also specified.

Performance Data
Performance data is provided for different operating conditions, including suction gas temperature and liquid subcooling at the condenser outlet, in accordance with EN12900 standards. Adjustments for 60 Hz operation are noted.

Overall Dimensions
The document includes information on the overall dimensions of the compressors, highlighting their compact design and reduced leakage risks.

Specifications
The document details specifications for various refrigeration equipment models, including power input (P) in kW and refrigerating capacity (Q) in W. Models such as 2S-H5, 2S-H3200L, and 2S-H3500 are listed with specific power and capacity values.

Procedures and Components
The document outlines components and their functions, such as oil sight, oil charge plug, low and high-pressure taps, oil drain plug, and crankcase heater, which are crucial for operation and maintenance.

Dimensions
Overall dimensions for different models are provided, including length, width, height, and inlet/outlet diameters. For example, the 2S-H1500L model measures 815 mm in length, 572 mm in width, and 456 mm in height.

Standards and Recommendations
Recommendations for installation and operation emphasize adhering to specified dimensions and component functions to ensure optimal performance and safety.

Contact Information
For further inquiries, contact Officine Mario Dorin S.p.A. at Via Aretina 388, 50061 Compiobbi - Florence, Italy. Phone: +39 055 62321 1, Fax: +39 055 62321 380, Email: [email protected], Website: www.dorin.com

Catalog excerpts

TWO STAGE SEMI-HERMETIC COMPRESSORS COMPRESSORI SEMIERMETICI DOPPIO STADIO COMPRESSEURS SEMI-HERMETIQUES À 2 ÉTAGES HALBHERMETISCHE VERDICHTER ZWEISTUFIGE

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INDICE / TABLE OF CONTENTS / INDEX / INHALTSVERZEICHNIS ____________________________________________________________________________________________________________________________________________ Introduzione / Introduction / Introduction / Einführung Limiti d’applicazione / Application limits / Champs d’application / Einsatzgrenzen Caratteristiche tecniche / Technical data / Caracteristiques techniques / Technische merkmale Accessori / Accessories / Accessoires / Zubehör Prestazioni / Performances Data / Données de puissance / Leistungswerte Ingombri / Overall dimensions / Encombrements / Abmessungen...

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INTRODUZIONE / INTRODUCTION / INTRODUCTION / EINFÜHRUNG 2S-H - DOPPIO STADIO Basati sull’apprezzata piattaforma della gamma H, i nuovi compressori a due stadi sono disponibili in versione a 4 e 6 cilindri, con sottoraffreddatore integrato, volumi spostati da 56 m3/h a 122 m3/h nello stadio di bassa pressione e potenza nominale da 15 HP a 40 HP. The new 2-stage compressor range is developed starting from the well appreciated H compressor range; 4 and 6 cylinder versions are available with factory assembled liquid subcooler, displacements ranging from 56 m3/h to 122 m3/h in low pressure stage and...

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OFFICINE MARIO DORIN SINCE 1918 OFFICINE MARIO DORIN SINCE 1918 CARATTERISTICHE TECNICHE / TECHNICAL DATA / CARACTERISTIQUES TECHNIQUES / TECHNISCHE MERKMALE A - Compressor B - Liquid subcooler C -Filter D - Indicator E - Solenoid valve F - Expansion valve G - Non return valve A - Compressore B - Sottoraffreddatore liquido C - Filtro D - Spia liquido E - Valvola solenoide F - Valvola termostatica G - Valvola di ritegno A - Compresseur B - Sous-refroidisseur de liquide C - Filtre D - Indicateur E - Soupape solenoide F - Detenteur thermostatique G - Soupape de retenue A - Verdichter B - Kaltemittel-Unterkuhler C...

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OFFICINE MARIO DORIN SINCE 1918 MT Protezione motore Motor protection Protection du moteur Motorschutz SERIE - RANGE SERIES - SERIE A Accessori di normale fornitura / Standard supply / Accessoires livres normalement / Zubehorteile fur Standardauslieferung

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OFFICINE MARIO DORIN SINCE 1918 PRESTAZIONI / PERFORMANCES DATA / DONNEES DE PUISSANCE / LEISTUNGSWERTE Serie Range Serie Serie R404A R507 ■ Dati preliminari ■ Funzionamento a 50 Hz ■ Per funzionamento a 60 Hz, moltiplicare la resa per 1,18 ■ Prestazioni con sottoraffreddamento del liquido Temperatura di aspirazione 20°C e 0K di sottoraffreddamento in uscita al condensatore, in accordo alla EN12900 ■ Non miscelare mai olii estere con olii differenti ■ Preliminary data ■ Frequency rate 50 Hz ■ For 60 Hz operation, data to be multiplied by 1,18 ■ Performance data with liquid subcooling. 20°C suction...

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OFFICINE MARIO DORIN SINCE 1918 OFFICINE MARIO DORIN SINCE 1918 Serie / Range Serie / Serie A - Spia Olio B -Tappo carica Olio C - Presa Bassa Press. D - Presa Alta Press. E - Tappo scarica olio F - Resistenza carter G - Tappo ritorno olio H - Presa alta press. pompa K - Presa Press. Intermedia M - Sens. max temp. mand. P - Press. diff. olio elettr. Q - Equalizzazione gas DL - Rubinetto Compressione SL - Rubinetto Aspirazione Lin - Ingresso Liquido Lout - Uscita Liquido A -Oil sight B - Oil charge plug C - Low pressure tap D - High pressure tap E - Oil drain plug F - Crankcase heater G - Oil...

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