Ingersoll-Rand IRN100-200H-2S, IRN37-160K-CC manual Overhaul or replace, Check and modify settings

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11.0 FAULT FINDING

SYMPTOM

 

FAULT

REMEDY

Compressor will not meet

 

Compressor not sized to

Contact your local IR representative

pressure required by system

 

meet system requirements or

 

 

 

requirements have been changed.

 

 

 

Air loss due to pipe, hose, joint or

Overhaul or replace

 

 

seal failure

 

 

 

Air loss due to blowdown valve stuck

Overhaul or replace

 

 

open

 

 

 

Air loss through pressure relief valve

Overhaul or replace

 

 

not seating or set incorrectly

 

 

 

Air loss due to moisture separator

Overhaul or replace

 

 

drain trap stuck open

 

 

 

Motor speed too low caused by drive

Contact your local IR representative

 

 

incorrectly set

 

 

 

Motor speed too low caused by fault

See section on drive faults

 

 

in drive settings

 

 

 

Intellysis controller fault

Overhaul or replace

 

 

Drive motor fault

See section on drive faults

 

 

Pressure transducer faulty,

Recalibrate or replace

 

 

incorrectly calibrated or EMF

 

 

 

interference

 

 

 

Incorrect Intellisys controller settings

Check and modify settings

 

 

Inlet grill or ducting is blocked

Check and clean

 

 

Air filter dirty or collapsed

Replace

 

 

Inlet valve not opening fully

Overhaul or replace

 

 

Separator element dirty or collapsed

Replace

 

 

Pipe / Hoses blocked or collapsed

Clean or replace

 

 

Cooler core blocked

Clean or replace

 

 

Minimum pressure check valve not

Overhaul or replace

 

 

functioning correctly

 

 

 

Equipment between compressor

Review system requirements

 

 

and customer measuring point

 

 

 

causing pressure drop / pressure loss

 

92IRN37 - 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 ERS Abbreviations & SymbolsEnergy recovery system F.CRotary Screw AIR Compressor Purchase Order DetailsThis unit was purchased from General Information SafetyCompressed air Transport MaterialsAvoid INGESTION, Skin Contact Inhalation of Fumes 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 Ingersoll Rand Company Receipt / HandlingReceipt Unpacking and HandlingFor technical information see section InstallationLocation in Plant Ensure that the correct tie down points are usedInstallation Discharge and Condensate Piping Installation Electrical Fuse Type Installation Very ImportantExample of voltage imbalance calculation Model Minimum cooling water requirement vs Range Adjusting the Aftercooler Trim ValveCooling Water Piping 50F 70FWater quality recommendations Orifice diameter in mm Installation SEA Watercooled Units Selected Units onlyPsi Outdoor Sheltered Installation General Information Technical INFORMATION-SINGLE StageSound pressure level dBA Minimum ambient temperature C F Weight Kg lbsCooling clean water flow l/min US 51/38 95/46 Flow at 7.5 Barg m3/minMax fuse size @ 440V − 480V a Cooling clean water flow l/min US 84/65 95/72Max fuse size @ 380V − 415V a Max fuse size @ 550V − 575V aN132K N160K N200H General Information Technical Information − TWO Stage 1690 5933Flow at 100 psig cfm 1100 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 coolantSeparator element change procedure Coolant filter change procedureSeparator element checking procedure Drain sequence for N250/300H−2SStart the compressor and check for leaks and coolant level Separator element change procedure for N250/ 300H−2SScavenge screen clean/check procedure Separator tank / Pressure systemAircooled Cooler Cleaning Air filter change procedureAir filter change procedure N250/300H−2S Blower motor Re−GreaseN50/100H N37/75K Coolant Coolers Watercooled Cooler CleaningHigh Airend Temperature Sensor checking procedure AftercoolerDrive Box Filter Removal / Replacement Blower / fan Motor Bearing Maintenance Stored unitsMotor cowl cleaning N75−160 units only Moisture Separator Check / CleaningCoolant Sampling Procedure No Loss Drain Trap where fitted Check / CleaningFluid and Vibration Monitoring Symptom Fault Remedy Fault FindingGeneral Faults 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