Ingersoll-Rand IRN75-160K-2S, IRN37-160K-CC, IRN250-300H-2S Wires, Numbers Function Wire color

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8.0 GENERAL INFORMATION

KEY

1ATS	Switch, high airend discharge temperature	PSU	Power supply unit
1DPS	Switch, fouled oil filter	RFI	Filter, radio frequency interference
1VAC	Switch, fouled air filter	RSP	Remote stop
1ATT	Sensor, airend inlet.	RST	Remote start
2ATT	Sensor, airend discharge temperature	SGNE	Controller, Intellisys
2CTT	Sensor, injected coolant temperature	SL	Serial link
3APT	Transducer, sump pressure, wet side	SS1−3	Relay, solid state
3SV	Valve, blowdown solenoid	ST	Service tool
4APT	Transducer, package air discharge pressure	T1	Transformer, control
4ATT	Sensor, package discharge temperature	TH	Thermostat
4SV	Valve, water stop solenoid (W/C only)	TRR	True running relay
6APT	Transducer, sump air pressure, dry side	WR	General warning
9APT	Transmitter, remote air pressure (optional)		Colors
9SV	Valve, condensate drain	BLK	Black
11SV	Valve, anti − condensation solenoid	BLU	Blue
AT	Autotransformer (if fitted)	BRO	Brown
AW1	Auxiliary warning 1	GRE	Green
AW2	Auxiliary warning 2	PIN	Pink
BP	Backplate	RED	Red
C	Capacitor	SCR	Screened
CAB	Cabinet	VIO	Violet
CDE	Condensate drain error	WHI	White
CDV	Condensate drain valve. (if fitted)	YEL	Yellow
CFO	Common fault output	Wires
CK	Choke
CK	Choke	Numbers			Function	Wire color
EXC	External communications	Numbers			Function	Wire color

		1−99			Power	Black
DR	Drive	1−99			Power	Black
DR	Drive	100−199			AC Control	Red
DVF	Fan, drive box ventilation	100−199			AC Control	Red
DVF	Fan, drive box ventilation	200−299			DC Control	Blue
EB	Earth bar	200−299			DC Control	Blue
EB	Earth bar	300−399			Auxiliary	Orange
ES	Switch, emergency stop	300−399			Auxiliary	Orange


FD	Drive, blower
FM	Motor, blower
GND	Ground
HC	Heater circuit
HTR1	Heater, spacer 25 Watts
HTR2	Heater, spacer 25 Watts
K1	Relay, run
K2	Relay fault
KM1	Contactor, main motor
KM5	Contactor, Drive ventilation fan.
MCB1	Breaker, miniature circuit, transformer
MCB2	Breaker, miniature circuit, DVFMCB3
Breaker, miniature circuit, control circuits
MCB4	Breaker, miniature circuit, VFD supply
MCB5	Breaker, miniature circuit, PSU
MCB9	Breaker, miniature circuit, heater
MF	Mains filter (if fitted)
MM	Motor, main
MMS	Breaker, blower motor
OPT	Optional
OV	Zero voltage
PE	Protected earth
PORO	Power outage restart option (optional)

IRN37 - 160K - CC & IRN50 - 200H & IRN75 - 160K - 2S & IRN - 100 - 200H - 2S & IRN 250 - 300H - 2S	51
http://air.irco.com

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Contents Operation and Maintenance Manual AIR Compressor Group Bonded Warranty & Registered Start UP Contents Somer ForewordIf in Doubt Consult Supervision FOREWORD Energy recovery system Abbreviations & SymbolsERS F.CThis unit was purchased from Purchase Order DetailsRotary Screw AIR Compressor Compressed air SafetyGeneral Information 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 Example of voltage imbalance calculation Installation Very ImportantFuse Type Cooling Water Piping Adjusting the Aftercooler Trim ValveModel Minimum cooling water requirement vs Range 50F 70FWater quality recommendations Psi Installation SEA Watercooled Units Selected Units onlyOrifice diameter in mm 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 Revision M Wiring schematic n75-160k-cc / n125-200h-cc A/c22093058 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 / CleaningFluid and Vibration Monitoring No Loss Drain Trap where fitted Check / CleaningCoolant Sampling Procedure General Faults Fault FindingSymptom Fault Remedy Compressor will not No power supply to packageCheck and modify settings With correct coolant Or not sealing correctlyRemove blockage, repair or replace damaged See aboveWith coolant’ Pressure transducer Fault Cause RemedyIndicated on the INTELhYS Controller Drive FaultsFault Cause Action