Ingersoll-Rand IRN50-200H-CC, IRN37-160K-CC, IRN75-160K-2S Fault Cause Remedy, Pressure transducer

Page 97

11.0 FAULT FINDING

FAULT

 

CAUSE

REMEDY

Remote start failure

 

Remote start button is pressed

Check operation of buttons or operating

 

 

after machine is running or

procedures

 

 

remote start button remains

 

 

 

closed.

 

Remote stop failure

 

Remote stop button remains

Check operation of buttons or operating

 

 

open and either start button is

procedures

 

 

pressed

 

Sensor failure

 

Sensor is missing or faulty

Install, repair or replace faulty sensor

Compressor trips indicating a

 

Insufficient cooling taking place

If machine is watercooled or sea watercooled,

high compressor temperature.

 

 

check that the cooling water is flowing. Check

 

 

 

that there is no air in the water cooling system.

 

 

 

Check that the strainer is not blocked.

Intellisys controller has

 

A fault has occurred

Repair fault / reset Intellisys controller

tripped the compressor

 

 

 

Invalid Calibration

 

Calibration done with pressure

Depressurise and re calibrate with pressure pipe

 

 

in compressor.

to sensor disconnected. If fault still exists, replace

 

 

 

pressure transducer.

Low sump pressure

 

System leak

Located and repair

 

 

Minimum pressure check valve

Repair with service kit

 

 

faulty

 

 

 

Blowdown valve faulty

Repair with service kit

 

 

Loss of control power

Check 110V circuit breaker

 

 

 

Check wiring

 

 

 

Check contactor KM1

Check motor rotation

 

Drive system fault

Contact your local IR representative

VSD communication failure

 

Communication wiring faulty

Check and replace if required

 

 

Drive faulty

Contact your local IR representative

 

 

Intellisys faulty

Contact your local IR representative

VSD initialisation fault

 

Communication wiring faulty

Check and replace if required

 

 

Drive faulty

Contact your local IR representative

 

 

Intellisys faulty

Contact your local IR representative

IRN37 - 160K - CC & IRN50 - 200H & IRN75 - 160K - 2S & IRN - 100 - 200H - 2S & IRN 250 - 300H - 2S

95

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 Energy recovery system Abbreviations & SymbolsERS F.CRotary Screw AIR Compressor Purchase Order DetailsThis unit was purchased from General Information SafetyCompressed air Avoid INGESTION, Skin Contact Inhalation of Fumes MaterialsTransport ElectricalCoolant disposal Condensate disposalDischarge air Text DecalsLift here 39540257 Rev RotationCondensate Drain Electrical power inlet Prohibition / Mandatory Information / Instructions Safety Graphic Form and Meaning of ISO SymbolsDo not stand on any service valve or Safety Coolant Separator Pressure AIR Discharge Belt Tension Filter Motor Lubrication Receipt Receipt / HandlingIngersoll Rand Company Unpacking and HandlingLocation in Plant InstallationFor 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 Cooling Water Piping Adjusting the Aftercooler Trim ValveModel Minimum cooling water requirement vs Range 50F 70FWater quality recommendations Orifice diameter in mm Installation SEA Watercooled Units Selected Units onlyPsi Outdoor Sheltered Installation Technical INFORMATION-SINGLE Stage General InformationCooling clean water flow l/min US 51/38 95/46 Minimum ambient temperature C F Weight Kg lbsSound pressure level dBA Flow at 7.5 Barg m3/minMax fuse size @ 380V − 415V a Cooling clean water flow l/min US 84/65 95/72Max fuse size @ 440V − 480V a Max fuse size @ 550V − 575V aN132K N160K N200H General Information Technical Information − TWO Stage Flow at 100 psig cfm 1100 59331690 1527KEY Installation DRAWING−N37/45K−CC & N50/60H−CC − Air CooledInstallation 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 Stage only 23128994 Revision aAir/coolant Coolant Condensate Cooling water W.C. only 22099006 Revision C General Information 22402135 Revision C Process and Instrumentation Diagram N250−300H TWO StagePiping legend Stop FD Wiring Schematic N37K − N45K-CC / N50-60h−cc a/c blower vfdNumbers Function Wire color WiresLabel Description Wiring schematic n55-75k-cc / n75-100h-cc a/c Blower vfdSS1-3 Wires Numbers Function Wire colorSgne Wiring schematic n37/45k-cc/n50/60h-cc w/cColor 23131345 Revision a Wiring schematic n55-75k-cc / n75-100h-cc W/c4ATT SENSOR, Package AIR Discharge Temperature 4CTT 22093058 Wiring schematic n75-160k-cc / n125-200h-cc A/cRevision M SGNe F10Revision E Wiring schematic n75-160k-cc / n125-200h-cc W/c4SV VALVE, Water Stop 6APT 380-480V SG-Ne Wiring schematic n250-300H4ATT SENSOR, Package AIR Discharge Temperature 6APT General Information General Description Basic Operation Operating InstructionsStopping the machine in an emergency Arrows Intellisys ControlsMain Menu Display ScreenCurrent Status items Current Status ScreenReady to Start Main MenuOperator Setpoints Operator Setpoints Default MIN MAX Step UnitCondensate Interval Selection MIN MAX OptionsScheduled start Sensor CalibrationClock Functions Alarm HistoryEnergy Status Messages Initial Check Alarms Service WarningsAlarm Main Menu AlarmsMaintenance Ultra Coolant Maintenance Procedures Prior to attempting any maintenance work, ensure that− Adding coolant Prior to starting Coolant level checking procedureSeparator element checking procedure Coolant filter change procedureSeparator element change procedure Drain sequence for N250/300H−2SScavenge screen clean/check procedure Separator element change procedure for N250/ 300H−2SStart the compressor and check for leaks and coolant level Separator tank / Pressure systemAir filter change procedure N250/300H−2S Air filter change procedureAircooled Cooler Cleaning Blower motor Re−GreaseN50/100H N37/75K High Airend Temperature Sensor checking procedure Watercooled Cooler CleaningCoolant Coolers AftercoolerMotor cowl cleaning N75−160 units only Blower / fan Motor Bearing Maintenance Stored unitsDrive Box Filter Removal / Replacement Moisture Separator Check / CleaningCoolant Sampling Procedure No Loss Drain Trap where fitted Check / CleaningFluid and Vibration Monitoring General Faults Fault FindingSymptom Fault Remedy Compressor will not No power supply to packageCheck and modify settings With correct coolant Or not sealing correctlyWith coolant’ See aboveRemove blockage, repair or replace damaged Pressure transducer Fault Cause RemedyFault Cause Action Drive FaultsIndicated on the INTELhYS Controller