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Two-Stage, Air-Cooled (22/37/45/55/75/90/100/120kW)Specifications Air-Cooled 6N2Item・UnitDischarge PressureMPaDischarge Air Capacitym3/minDischarge Air Capacity at PQ wide ON of 0.6MPaNominal Motor OutputkWMotor TypeIntake Air Pressure / Temperature Discharge Temperature Discharge Pipe DiameterBStarting MethodDriving MethodLubricating Oil FillingLOutput of Cooling FankWP.D.P ［Dryer］ Refrigerator Nominal OutputkWRefrigerantWeightkgDimensions (W D H)mmNoise Level (1.5m from front pe ModelDSP-37AT［R］5N2DSP-37AT［R］6N20.705.6 304-Pole TEFCAtmospheric Pressure / 0 – 45［2 – 45］Ambient Temperature 15 or belowRc1-1/2Star-Delta (3 contact)V-Belt with Auto Tensioner Gear-Driven15 (Not filled)1.1 (Inverter)［10 (Under ,530 1,150 1,650656666Item・UnitIPC Control (Intelligentelligent Pressure Control)By estimating use point pressure in accordance with air consumption, IPC control decreases discharge pressure during lowload operation, which enables Energy-Saving.Patent JP4425768 and othersExample of effect by IPCConditions Air compressor: DSP-37VATN2 Control pressure setting: 0.70MPaPiping pressure loss during full load: 0.15MPa Use point pressure during full load: 0.55MPaGraph of pressure change (Theoretical values)② IPC-ON0.75・Control the use point pressure at 0.55MPa0.75Air Compressor Discharge PressureUse Point Pressure0.60Pressure0.65ΔP 0.15MPaApprox. 0.05MPaPressureEffect by EnergySaving0.700.70Approx. 0.10MPaDecrease possible0.650.600.550.55Use PointPressureUnnecessary Pressure00020406080Air CompressorDischarge Pressure1000Air Consumption Ratio (%)20406080Energy Consumption Ratio (%)・Control the air compressor discharge pressure at 0.70MPaΔP 0.15MPa① IPC-OFF1009896Condition:Air ConsumptionRatio 60%EnergySaving by 7.2%9492900IPC-OFF IPC-ON100Air Consumption Ratio (%)*Due to estimation control, use point pressure varies in accordance with use conditions.IT Communication FunctionsUSB Flash Memory Possible for Data Logging*Necessary to prepare a USB flash memory device (5.5cm or smaller) on user’s side.*Operation data for one day is approximately 400kB. (For reference)Web Server Function via BluetoothUSB flash memory (data retrieving)(Standard) pressure/temperature/current/history/time *Necessary to prepare a Bluetooth USB dongle onyour side.*For setting changes, part of the items are applicable.Modbus CommunicationOpen network serial communicationModbus /RTU issupported as standardBluetooth Dongle Tablet terminal device376-Pole DCBLAtmospheric Pressure / 0 – 45［2 – 45］Ambient Temperature 15 or belowRc1-1/2Soft StartDirect Connection Gear Driven15 (Not filled)1.1 (Inverter)［10 (Under 30 1,150 N20.707.4/7.80.936.2/6.54563］: Indicates model with Dryer integrated.V-type 7.70.884.65.60.705.56.0Fixed Speed ModelModelDischarge PressureMPaDischarge Air Capacitym3/minDischarge Air Capacity at PQ wide ON of 0.6MPaNominal Motor OutputkWMotor TypeIntake Air Pressure / Temperature Discharge Temperature Discharge Pipe DiameterBStarting MethodDriving MethodLubricating Oil FillingLOutput of Cooling FankWP.D.P ［Dryer］ Refrigerator Nominal OutputkWRefrigerantWeightkgDimensions (W D H)mmNoise Level (1.5m from front side)dB(A)DSP-37VAT［R］N20.884.7 Air-Cooled (45/55/75kW)ooled model (V-type).＊The above picture shows 75kW Air-Cooled］: Indicates model with Dryer integrated.Fixed Speed Model0.9310.5/11.1 75552-Pole TEFC FlangeAtmospheric Pressure / 0 – 45［2 – 45］Ambient Temperature 15 or below2 (Flange)Star-Delta (3 contact)Direct Connection Gear Driven25 (Not filled)2.2 (Inverter)1.5 (Inverter)［10 (Under ��1,600［1,750］1,860［2,030］2,000 1,300 1,8002,250 1,300 ole DCBLAtmospheric Pressure / 0 – 45［2–45］Ambient Temperature 15 or below2 (Flange)Soft StartDirect Connection Gear Driven25 (Not filled)1.5 (Inverter)2.2 (Inverter)［10 (Under ��1,340［1,490］1,560［1,730］2,000 1,300 1,8002,250 1,300 1,80063656768 Air-Cooled ��MN2Item・UnitDischarge PressureDischarge Air CapacityNominal Motor OutputMotor TypeIntake Air Pressure / TemperatureDischarge TemperatureDischarge Pipe DiameterStarting MethodDriving MethodLubricating Oil FillingOutput of Cooling FanWeightDimensions (W D H)Noise Level (1.5m from front side)MPam3/minkW BLkWkgmmdB(A)0.7016.60.9313.9906870Fixed Speed 00.9315.41002-Pole TEFC FlangeAtmospheric Pressure / 0 – 45Ambient Temperature 15 or below2 (Flange)Star-Delta (3 contact)Direct Connection Gear Driven26 (Not filled)1.5 22,2002,150 1,520 1,9756971NOTE:1. Capacity is measured according to ISO 1217, fourth edition, Annex C.2. Sound level is the equivalent value at 1.5m in front and 1m height in an anechoic room, underfull load operation with no auto drain function. It may vary in different operation conditions orenvironments. Sound level may be increased by 2dB when PQ WIDEMODE is ON.3. P.D.P is measured at 30 degree C of intake air temperature and rated discharge pressure.P.D.P can be much worse at 0.60MPa or lower discharge pressure. P.D.P can be 13 degree Cat 0.60MPa of discharge pressure PQ WIDEMODE ON.4. Capacity after built-in dryer is decreased by 3%.5. In case of dust-proof or package filter option, maximum ambient temperature is limited up to40 degree C, and discharge air temperature of air-cooled models is atmospheric temperature 18 degree C or less.V-type 002-Pole TEFC FlangeAtmospheric Pressure / 0 – 45Ambient Temperature 15 or below2 (Flange)InverterDirect Connection Gear Driven26 (Not filled)1.5 22,3002,150 1,520 1,97569716. Earth leakage circuit breaker is out of supply scope from Hitachi.7. These air compressors are not designed, intended or approved for breathing air applications.8. Pressures are indicated as the gauge pressure.9. Install the air compressor indoors and avoid flammable and corrosive environment, moistureand dust.10. Protruding objects such as discharge pipe are not included in Dimension.11. Hitachi may make improvements and / or changes in the appearance and / or specificationsdescribed in this publication at anytime without notice.Color Touch Panel*Modbus /TCP support is optional.USB connectorLAN (Modbus /TCP)・Bluetooth is the registered trademark of Bluetooth SIG, Inc (US).・Modbus is the registered trademark of Schneider Automation Inc.7(The image is modified)8

Two-Stage, Water-Cooled (45/55/75/90/100/120kW)Specifications Water-Cooled (45/55/75kW)［Item・UnitDischarge PressureMPaDischarge Air Capacity (50Hz/60Hz)m /min3Discharge Air Capacity at PQ wide ON of 0.6MPaCoolerSuction FilterControllerAir-EndControl PanelGear CasingUse point pressure during full load: 0.55MPaGraph of pressure change (Theoretical values)② IPC-ON0.75・Control the use point pressure at 0.55MPa0.75Air Compressor Discharge PressureUse Point Pressure0.60Pressure0.65ΔP 0.15MPaApprox. 0.05MPaPressureEffect by EnergySaving0.700.70Approx. 0.10MPaDecrease possible0.650.600.550.55Use PointPressureUnnecessary Pressure00020406080Air CompressorDischarge Pressure1000Air Consumption Ratio (%)20406080Energy Consumption Ratio (%)・Control the air compressor discharge pressure at 0.70MPaΔP 0.15MPa① IPC-OFF1009896Condition:Air ConsumptionRatio 60%EnergySaving by 10.7/11.39.58.012.911.49.89.513.4 13.06-Pole DCBLAtmospheric Pressure / 0 – 45［2 – 45］Discharge Temperature Cooling Water Temperature 13 or belowCooling Water Temperature 13 or belowDischarge Pipe DiameterB2 (Flange)2 (Flange)Starting Method-Star-Delta (3 contact)Soft StartDriving Method-Direct Connection Gear DrivenDirect Connection Gear DrivenLubricating Oil FillingL15 (Not filled)15 (Not filled)Output of Cooling FankW0.05 2Cooling Water Capacity55450.05 290L/min7555751209012035 or below35 or below Cooling Water Pipe DiameBRc 1-1/4Rc 1-1/4P.D.P ［10 (Under Pressure)］［10 (Under ［1,580］2,000 1,300 1,8002,000 1,300 1,800mmdB(A)65636366656366 Water-Cooled (90/100/120kW)Fixed Speed ModelModelDischarge PressureMPaV-type N2DSP-120W6MN2DSP-100VW6MN20.93Discharge Air Capacitym3/minNominal Motor OutputkWMotor Type-2-Pole TEFC Flange2-Pole TEFC FlangeIntake Air Pressure / Temperature-Atmospheric Pressure / 0 – 45Atmospheric Pressure / 0 – 45Discharge Temperature Cooling Water Temperature 13 or belowCooling Water Temperature 13 or belowDischarge Pipe DiameterB2 (Flange)2 (Flange)Starting Method-Star-Delta (3 contact)InverterDriving Method-Direct Connection Gear DrivenDirect Connection Gear DrivenLubricating Oil FillingCooling Water CapacityCooling Water Temperature14.0Bkg16018035 or below35 or belowRc 1-1/2Rc 1-1/22,0502,2002,2302,150 1,520 1,825mmdB(A)16 (Not filled)160 66686715.610012016 (Not filled)LWeight15.610090L/minCooling Water Pipe DiameNoise Level (1.5m from front side)IPC-OFF IPC-ON100*Due to estimation control, use point pressure varies in accordance with use conditions.IT Communication Functions*Necessary to prepare a USB flash memory device (5.5cm or smaller) on user’s side.*Operation data for one day is approximately 400kB. (For reference)0.70692,150 1,520 1,825697067690Air Consumption Ratio (%)USB Flash Memory Possible for Data Logging0.936.4/6.72-Pole TEFC FlangeDimensions (W D H)900.707.5/7.9DSP-75VWT［R］N2Atmospheric Pressure / 0 – 45［2 – 45］Item・Unit DSP-75WT［R］6N2-Noise Level (1.5m from front side) Control pressure setting: 0.70MPaConditions Air compressor: DSP-37VATN2 Piping pressure loss during full load: 0.15MPaDSP-55WT［R］6N2-Dimensions (W D H) DSP-45WT［R］6N2DSP-55VWT［R］N2Intake Air Pressure / TemperatureWeightExample of effect by IPCDSP-75WT［R］5N2Motor TypeRefrigerantBy estimating use point pressure in accordance with air consumption, IPC control decreases discharge pressure during lowload operation, which enables Energy-Saving.Patent JP4425768 and othersDSP-55WT［R］5N2kW［Dryer］ Refrigerator Nominal OutputIPC Control (Intelligent Pressure Control)DSP-45WT［R］5N2Nominal Motor OutputCooling Water Temperature＊The above picture shows the internal structure of 75kW Water-Cooled model (V-type).V-type ModelFixed Speed ModelModelInstrumental Panel］: Indicates model with Dryer integrated.NOTE:1. Capacity is measured according to ISO 1217, fourth edition, Annex C.2. Sound level is the equivalent value at 1.5m in front and 1m height in an anechoic room, underfull load operation with no auto drain function. It may vary in different operation conditions orenvironments. Sound level may be increased by 2dB when PQ WIDEMODE is ON.3. P.D.P is measured at 30 degree C of intake air temperature and rated discharge pressure.P.D.P can be much worse at 0.60MPa or lower discharge pressure. P.D.P can be 13 degree Cat 0.60MPa of discharge pressure PQ WIDEMODE ON.4. Capacity after built-in dryer is decreased by 3%.5. In case of dust-proof or package filter option, maximum ambient temperature is limited up to40 degree C.6. Earth leakage circuit breaker is out of supply scope from Hitachi.7. These air compressors are not designed, intended or approved for breathing air applications.8. Pressures are indicated as the gauge pressure.9. Install the air compressor indoors and avoid flammable and corrosive environment, moistureand dust.10. Protruding objects such as discharge pipe are not included in Dimension.11. Hitachi may make improvements and / or changes in the appearance and / or specificationsdescribed in this publication at anytime without notice.USB flash memory (data retrieving)(Standard) pressure/temperature/current/history/timeWeb Server Function via Bluetooth *Necessary to prepare a Bluetooth USB dongle onyour side.*For setting changes, part of the items are applicable.Modbus CommunicationOpen network serial communicationModbus /RTU issupported as standardBluetooth Dongle Tablet terminal deviceColor Touch Panel*Modbus /TCP support is optional.USB connectorLAN (Modbus /TCP)・Bluetooth is the registered trademark of Bluetooth SIG, Inc (US).・Modbus is the registered trademark of Schneider Automation Inc.9(The image is modified)10

Two-Stage, Water-Cooled (132/145/160/200/240kW)Specifications Water-Cooled, V-type Model (160/240kW)Two-Stage, Air-Cooled tDischarge PressureAftercoolerAir Intake FilterStarter Panel0.750.931.00.750.931.0Discharge Air Capacitym3/min28.524.823.240.535.032.5Nominal Motor OutputkWMotor Type-Intake Air Pressure / Temperature Atmospheric Pressure / 0 - 45Discharge Air Temperature Cooling Water Temperature 13 or belowDischarge Air Pipe DiameterBStarting Method-Cooling Water Flow RateIntercoolerOil Mist Remover(OMR)Coolant Water Pipe DiameterBLubricating Oil QuantityLDimensions (W D H)Sound Level (1.5m from front side)4-Pole TEFC Flange Motor3 (Flange)2-1/2 (Flange)InverterDirect Connection With Motor Gear-Driven Weight240160330240L/minCooling Water TemperatureCooling Fan Motor OutputAir-End(2nd Stage)DSP-240VW6N2MPaDriving MethodInverterAir-End (1st Stage)DSP-240VW5N2DSP-160VW6N235 or belowRc250 (Not filled)40 (Not filled)0.4kWkg3,9604,900mm2,500 1,600 1,9252,800 1,800 1,950dB(A)7071Gear CaseTEFC Motor Air-Cooled, Fixed Speed Model (132-240kW)ModelItem・UnitOil Cooler＊The above picture shows the internal structure of240kW Water-Cooled model (V-type).High Capacity by Equipping NewAir-EndEnergy-Saving (V-type)Further Energy-Saving is achieved by DSPInverter.with Built-in100Power Consumption Rate (%)Low Noise Low VibrationCompact Design by Optimized Layoutof ComponentsHigh Discharge Pressure Available(up to 1.0MPa)Discharge Pressure75Control Pressure:0.65 / 0.75MPa(Load / Unload)DSP V-typeControl Pressure:0.65MPa002040(240kW Model, 8,000h/yearOperation Time, 60% Load)6080100Air Consumption Rate (%)＊Compared to conventional Load/Unload Control Type, lower pressure setting is possibledue to the stable pressure control.High Reliability and Easy 931.00.750.931.00.750.931.0Discharge Air 37.032.230.040.035.032.5Nominal Motor OutputkWMotor Type-Intake Air Pressure / Temperature Atmospheric Pressure / 0 - 45Discharge Air Temperature Ambient Temperature 15 or belowDischarge Air Pipe DiameterBStarting Method-Driving Method-1451322403 (Flange)2-1/2 (Flange)Star-Delta（3-contact）Direct Connection With Motor Gear-Driven50 (Not filled)Cooling Fan Motor OutputkW4.4（1.1 4）Weightkg60 (Not filled)6.0（1.5 4）3,8605,0003,9603,200 1,890 1,9502,900 1,700 1,925mmdB(A)2001604-Pole TEFC Flange MotorL7473757475747776ModelItem・UnitDischarge 31.00.750.931.00.750.931.0Discharge Air 37.032.230.040.535.032.5Nominal Motor OutputkWMotor Type-Intake Air Pressure / Temperature Atmospheric Pressure / 0 - 45Discharge Air Temperature Cooling Water Temperature 13 or belowDischarge Air Pipe DiameterBStarting Method-Driving Method1451322001602404-Pole TEFC Flange Motor3 (Flange)2-1/2 (Flange)Star-Delta（3-contact）-Direct Connection With Motor Gear-Driven210200L/min300240330Totally enclosed flange motor is standardCooling Water Temperature New totally enclosed flange motor is applied to improve reliability.Motor shaft in direct connection without coupling enables easy maintenance work.Coolant Water Pipe DiameterBRc2Rc2Lubricating Oil QuantityL40 (Not filled)50 (Not filled)High precooler system (Air-Cooled models)Ventilating fanHigh precooler system reduces temperature of extremely hot air toaftercooler and Two-Stage cooling structure improves reliability.160 C—180 CHigh Discharge Pressure Available1st StageAir-End1.0MPa is available with high reliability.IntercoolerMaintenance FriendlyDSP series provides easy accessibility for inspection and maintenance.Air exhaust High precooler cool down theinternal temperature between2nd StageAir-EndHigh precoolerAftercoolerTwo-Stagecoolingstructure7877 Water-Cooled, Fixed Speed Model (132-240kW)Cooling Water Flow Rate11DSP-200A6N21.0Power Reduction of about 220MWh25DSP-200A5N2DSP-160A6N20.93Sound Level (1.5m from front side)About 11% Reduction inPower ConsumptionDSP-160A5N2DSP-145A6N20.75Dimensions (W D H)50DSP-145A5N2DSP-132A6N2MPaLubricating Oil QuantityFixed Speed Model DSPDSP-132A5N235 or below35 or belowCooling Fan Motor OutputkWWeightkg3,7604,600mm2,500 1,600 1,9252,800 1,800 1,950Dimensions (W D H)Sound Level (1.5m from front side)dB(A)0.468696970NOTE:1. Capacity is measured according to ISO 1217, fourth edition, Annex C.2. Sound level is the equivalent value at 1.5m in front and 1m height in an anechoic room, underfull load operation with no auto drain function. It may vary in different operation conditions orenvironments.3. In case of dust-proof or package filter option, maximum ambient temperature is limited up to40 degree C, and discharge air temperature of air-cooled models is atmospheric temperature 18 degree C or less.4. Earth leakage circuit breaker is out of supply scope from Hitachi.6970697070715. These air compressors are not designed, intended or approved for breathing air applications.6. Pressures are indicated as the gauge pressure.7. Install the air compressor indoors and avoid flammable and corrosive environment, moistureand dust.8. Rear duct (200mm depth) and other protruding objects such as a discharge pipe are notincluded in dimension.9. Hitachi may make improvements and / or changes in the appearance and / or specificationsdescribed in this publication at anytime without notice.12

Auxiliary Equipment & OptionsOil Free Screw Compressed Air SystemHITACHI ROTARY COMPRESSOR OILHITACHI Genuine Lubricating Oil designedfor Hitachi Rotary Screw CompressorCompressed AirFeatures Originally Designed for Hitachi Rotary Screw Compressor High Performance High ReliabilitySpecificationsItemISO Viscosity GradeCaution:Failure to install an adequately sized receiver tank may causethe DSP compressor to frequently load / unload. This mayshorten the mechanical life of the compressor.Multi Unit Controller（MULTI ROLLER EX）kg/L0.86Viscosity@40 Cmm2/s32.6Viscosity Index-102Flash Point C 200ContentL20Package-Plastic Container TankWeightkgDesigned for Hitachi Air Compressor Designed for Hitachi Air Compressor Efficient Control of Multiple Units Efficient Control of 2 Units Energy-Saving Energy-Saving Various Functions AvailableFeatures Comply with the international hygiene control method for food safety, HACCP＊1 Consist of ONLY prescript substances specified by the US FDA＊2 Standard SpecificationStandard SpecificationMR 26-8MR 26-12Single-phase AC100/200V (Common)-50/60Hz (Common)Controlled Unit-4Discharge Pressure MPa8120 – 1 (Digital Indication)-Answer (Operation), FailureExternal-Start, Stop, Forced Start-up, RemoteControl-Run, Stop, Load, PID CommandExternal-Start, Shutdown, AutokgAC100V ( 10％ 10％)［Possible for AC200V by switching connector］Power Supply Frequency-AC100 to 240V 10% 50/60Hz［Single-phase］Controllable Number of Units-2mA4 – 20 (250Ω)Remote-Set［Remote］ 2 -Minimum 0.001MPa setting400 200 60019500 200 90032500 200 1,20037Approved and registered as H1 grade＊4 by the US NSF International＊3Applicable for both HITACHI Rotary Screw Compressor (HISCREW/DSP)＊1 Hazard Analysis Critical Control Point＊2 Food and Drug Administration＊3 National Sanitation Foundation International＊4 The OIL can be used in places where it can make occasional contact with foods.The materials must be prescript substances regulated in the US Food and Drug Law: FDA21 n using the contacts to which noISO Viscosity Grade-32voltage is applied［Power supply DC24V］Color Phase-Colorless and Transparent@15 Ckg/L0.84@40 Cmm2/s32.8Flash Point C“c”contactPour Point C200-50“a”contactContentRun［Operation］ 2-Failure［Shut down］ 2-ElectricPulse・Extra 2-DensityRun 2-1500ms w/out voltage“a”contactViscosityStop 2-Pulse AC250V0.3A“b”contactLoad/Unload Command 2-Dry contactAC250V0.3AOptional terminalsL20Exchange Cycle-8,000 operating hours or 1 year which comes earlierFollowing control［pre

air of Hitachi Oil-free Screw Compressor (DSP) are implemented by third party (TÜV) based on ISO8573-1 standard. By the test result, oil contained in the discharge air of Hitachi DSP is proved and certified as the highest level of quality air "Class 0". True Oil-Free Air at Class 0 Level Premium Air Quality Hitachi Social Innovation