For Refrigeration Application
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Total Solution For Refrigeration Hitachi’s high quality compressors contribute at various stages in the cold chain, by keeping products at low temperature without interruption between the producing, transporting and consuming processes. Compact size & lightweight Low sound level & Low vibration High reliability & quality High efficiency thanks to advanced technology Cold Chain Management Cold chains play an important role in delivering fresh foods and pharmaceutical drugs in a safe, fresh state to consumers. Refrigerated warehouses and Producing areas Processing plants Pharmaceutical...

History 2003 Production of the "DS Series". 1998 Production of the "FL Series". 1946 Start production of open-type compressor for refrigerators. 1988 Production of the world's first scroll compressor for freezers/ refrigerators. 2004 Production of the "ZS, DS Series" "algebraic spiral wrap". 2018 Apply R448A & R449A to ZS/DS Series. 2001 Start production of the "ZS Series". 2008 Production of the "ZS DCBL inverter models". 2013 Production of the "LS/MS/NS Series". 2009 Production of the first R290 models. Supermarkets and Retail stores General consumers Transport centers Hospital Hitachi...

Line Up Overview Cooling Capacity (W) at Condition EN12900 MT Series Refrigerant Motor type Inverter Fixed Speed R1270 Inverter Z Fixed Speed Inverter Inverter Fixed Speed Fixed Speed Fixed Speed Fixed Speed Fixed Speed R404A Inverter Fixed Speed R404A DC Inverter Fixed Speed Test Condition Te(°C) EN12900 MT

• Low Height due to Horizontal Type • Low Height due to Horizontal Type • BLDC inverter technology • Wide working range for Medium and Low temperature • Wide working range for Medium and Low temperature • Suitable for self-contained type showcase • Suitable for self-contained type showcase • Suitable for water-loop solution • Suitable for water-loop solution • Low Height due to Horizontal Type • Vertical Type • Large cooling capacity • Exclusive design for each temperature range • Wide working range for Medium and Low temperature • Liquid injection available • Suitable for overall design...

Various Range Of Application Space-Saving Retail Solution → More display space by smaller machine room with compact compressor. → No out door unit to be installed. → Less maintenance cost by Low-noise, low vibration. → Energy saving by BLDC inverter compressor. Water-loop system by self-contained showcase →Suitable for roof top mounting by compact compressor. Low height island showcase → Suitable for special low height machine room by compact compressor. Hitachi Horizontal scroll compressor Self-contained showcase → uitable for roof-top mounting and S under display spac

Transportation Solution* →Energy saving by light compressor. →Small machine room and larger refrigeration space by compact compressor. →Suitable for EV vehicles. →Precise temperature control. Refrigeration truck Refrigeration container train *Application review is required Bio-Technological, Medical, And Chemical Solution →Ultra low temperature until -45.0°C. →Special precise temperature control by DCBL inverter compressor. →High level quality control by Low-noise, low-vibration. → Energy saving. →Suitable for customized design by compact compressor. Biomedical freezer Environmental testing...

Low Sound Level & Low Vibration Low-noise low-vibration compressors provide a safe and pleasant low-temperature environment. Features Low Noise The human ear is sensitive to low-frequency sounds, so noise generated in low frequencies causes particular discomfort. With Hitachi scroll compressors there is little low-frequency noise and ear-grating mechanical sounds are greatly reduced. Discharge port (No valve) Fixed scroll → Low Vibration. →Less torque fluctuation than other type of compressors. Noise level Orbiting scroll When measured at a position 30cm away from the compressor surface (at...

High Efficiency By Advanced Technology High Efficiency At Low Temperature Usage By "Algebraic Spiral Wrap" Involute wrap The compressor chamber volume in the tooth profile center is smaller and the compression ratio is larger, compared with the involute, thus efficiency is higher in a low temperature zone. Algebraic spiral wrap The tooth prole is thickened toward the center. Benefit →High compression ratio →Better efficiency *Evaporating Temperature/Condensing Temperature Platform Design With its ability to cover a wide range of capacities, a single inverter compressor model can be used in...

High Reliability & Comfortable Operation Advantages Merits of Hitachi Pioneering High-Side Pressure Design (1) A simple structure leading to fewer superfluous parts • Damage is abated, improving reliability • Compressor efficiency is improved Intermediate pressure control valve Liquid injection piping Seal Fixed scroll Orbiting scroll Rotating bearing Intermediate pressure chamber (Pb) Frame Main bearing Crank shaft Low-side pressure design (Thrust Bearing System) Tip-seal is needed to bridge the gap. 2. Fixed Scroll Thrust Bearing 1. The thrust bearing provides imposition of the orbiting...

• High reliability • Low noise and low vibration • High performance High pressure gas (2) High-side pressure design • Improved volumetric efficiency thanks to direct suction • Less parts leading to superior reliability • Keeping oil in the compressor resulting in superior reliability Direct Suction → Reduces superheat → Improving volumetric efficiency High-pressure gas circulation → igh temperatures and high pressure H inside the chamber → il itself heated in the circulation O → o oil foaming occurred & No crank N case heater needed → esulting in Superior Reliability R Automatic oil supply...