Ingersoll-Rand IRN250-300H-2S, IRN37-160K-CC, IRN50-200H-CC Do not stand on any service valve or

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5.0 SAFETY

			0° C
			0° C

WARNING − Do not undertake any		WARNING − Consult the Operation	WARNING − For operating temperature
maintenance on this machine until the		and Maintenance manual before	below 0°C, consult the Operation and
electrical supply is disconnected and the		commencing any maintenance.	Maintenance manual.
air pressure is totally relieved.

Read the Operation and Maintenance		Do not stack.	Do not operate the machine without the
manual before operation or maintenance			guard being in place.
of this machine is undertaken.

Do not stand on any service valve or		Do not operate with the doors or	Do not use fork lift truck from this side.
other parts of the pressure system.		enclosure open.

Do not breathe the compressed air from		No naked lights.	Do not open the service valve before the
this machine.			air hose is attached.

14IRN37 - 160K - CC & IRN50 - 200H -CC & IRN75 - 160K - 2S & IRN100 - 200H - 2S & IRN 250 - 300H - 2S http://air.irco.com

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Contents Operation and Maintenance Manual AIR Compressor Group Bonded Warranty & Registered Start UP Contents If in Doubt Consult Supervision ForewordSomer FOREWORD Abbreviations & Symbols Energy recovery systemERS F.CRotary Screw AIR Compressor Purchase Order DetailsThis unit was purchased from General Information SafetyCompressed air Materials Avoid INGESTION, Skin Contact Inhalation of FumesTransport ElectricalCondensate disposal Coolant disposalText Decals Discharge airLift here Rotation 39540257 RevCondensate Drain Electrical power inlet Safety Graphic Form and Meaning of ISO Symbols Prohibition / Mandatory Information / InstructionsDo not stand on any service valve or Safety Coolant Separator Pressure AIR Discharge Belt Tension Filter Motor Lubrication Receipt / Handling ReceiptIngersoll Rand Company Unpacking and HandlingInstallation Location in PlantFor technical information see section Ensure that the correct tie down points are usedInstallation Discharge and Condensate Piping Installation Electrical Fuse Type Installation Very ImportantExample of voltage imbalance calculation Adjusting the Aftercooler Trim Valve Cooling Water PipingModel Minimum cooling water requirement vs Range 50F 70FWater quality recommendations Orifice diameter in mm Installation SEA Watercooled Units Selected Units onlyPsi Outdoor Sheltered Installation General Information Technical INFORMATION-SINGLE StageMinimum ambient temperature C F Weight Kg lbs Cooling clean water flow l/min US 51/38 95/46Sound pressure level dBA Flow at 7.5 Barg m3/minCooling clean water flow l/min US 84/65 95/72 Max fuse size @ 380V − 415V aMax fuse size @ 440V − 480V a Max fuse size @ 550V − 575V aN132K N160K N200H General Information Technical Information − TWO Stage 5933 Flow at 100 psig cfm 11001690 1527Installation DRAWING−N37/45K−CC & N50/60H−CC − Air Cooled KEYInstallation DRAWING− N37/45K−CC & N50/60H−CC − Water Cooled Installation Drawing − N55/75K−CC & N75/100H−CC − Air Cooled Installation DRAWING−N55/75K−CC & N75/100H−CC−Water Cooled General Information General Information General Information General Information KEY 22381206 Revision B Equipment downstream of compressor 23128994 Revision a Stage onlyAir/coolant Coolant Condensate Cooling water W.C. only 22099006 Revision C General Information Process and Instrumentation Diagram N250−300H TWO Stage 22402135 Revision CPiping legend Wiring Schematic N37K − N45K-CC / N50-60h−cc a/c blower vfd Stop FDWires Numbers Function Wire colorWiring schematic n55-75k-cc / n75-100h-cc a/c Blower vfd Label DescriptionWires Numbers Function Wire color SS1-3Wiring schematic n37/45k-cc/n50/60h-cc w/c SgneColor Wiring schematic n55-75k-cc / n75-100h-cc W/c 23131345 Revision a4ATT SENSOR, Package AIR Discharge Temperature 4CTT 22093058 Wiring schematic n75-160k-cc / n125-200h-cc A/cRevision M F10 SGNeWiring schematic n75-160k-cc / n125-200h-cc W/c Revision E4SV VALVE, Water Stop 6APT Wiring schematic n250-300H 380-480V SG-Ne4ATT SENSOR, Package AIR Discharge Temperature 6APT General Information General Description Operating Instructions Basic OperationStopping the machine in an emergency Intellisys Controls ArrowsDisplay Screen Main MenuCurrent Status Screen Current Status itemsMain Menu Ready to StartOperator Setpoints Default MIN MAX Step Unit Operator SetpointsCondensate Interval Options Selection MIN MAXSensor Calibration Scheduled startAlarm History Clock FunctionsEnergy Status Messages Service Warnings Initial Check AlarmsAlarms Alarm Main MenuMaintenance Ultra Coolant Maintenance Procedures Prior to attempting any maintenance work, ensure that− Prior to starting Coolant level checking procedure Adding coolantCoolant filter change procedure Separator element checking procedureSeparator element change procedure Drain sequence for N250/300H−2SSeparator element change procedure for N250/ 300H−2S Scavenge screen clean/check procedureStart the compressor and check for leaks and coolant level Separator tank / Pressure systemAir filter change procedure Air filter change procedure N250/300H−2SAircooled Cooler Cleaning Blower motor Re−GreaseN50/100H N37/75K Watercooled Cooler Cleaning High Airend Temperature Sensor checking procedureCoolant Coolers AftercoolerBlower / fan Motor Bearing Maintenance Stored units Motor cowl cleaning N75−160 units onlyDrive Box Filter Removal / Replacement Moisture Separator Check / CleaningCoolant Sampling Procedure No Loss Drain Trap where fitted Check / CleaningFluid and Vibration Monitoring Fault Finding General FaultsSymptom Fault Remedy Compressor will not No power supply to packageCheck and modify settings Or not sealing correctly With correct coolantWith coolant’ See aboveRemove blockage, repair or replace damaged Fault Cause Remedy Pressure transducerFault Cause Action Drive FaultsIndicated on the INTELhYS Controller