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Emerson 3000/ITR manual Operation& Maintenance Manual -50& 60Hz, Precision Cooling

Models: 3000/ITR

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Precision Cooling

Precision Cooling

For Business-Critical Continuity™

Liebert® Challenger™ 3000/Liebert Challenger ITR™ withLiebert iCOM® Control

Operation & Maintenance Manual - 50 & 60Hz

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Emerson 3000/ITR manual Operation& Maintenance Manual -50& 60Hz, Precision Cooling, For Business-CriticalContinuity

Contents

Precision Cooling Operation& Maintenance Manual -50& 60HzFor Business-CriticalContinuity Page TABLE OF CONTENTS Page FIGURES TABLES SAVE THESE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONSPage 1.0INTRODUCTION 1.1System Descriptions1.1.1Compressorized Systems 1.1.2GLYCOOL Chilled Glycol Cooling Systems2.0STARTUP 2.1Startup Procedure17.Close high voltage dead front cover and latch 14.Check for unusual noises and vibration18.Close front accent panel and latch Return completed startup form to3.0OPERATION WITH ICOM CONTROL 3.1FeaturesLarge and Small Displays Figure 1 Liebert iCOM componentsFigure 2 Liebert iCOM display components 4.0LIEBERT ICOM DISPLAY COMPONENTS AND FUNCTIONSLiebert iCOM Display Components and Functions Liebert iCOM Display Components and Functions Keyboard icons and functions73.6 maintenance51.6 cooling51.6FACT 74.1F4.1.1Control Interface-ThreeMain Menus UNIT4.1.3Entering the Password 4.1.2Accessing Menus and Settings Viewing DataFigure 6 Entering the password Accessing Submenus on Small Displays 4.1.4Accessing SubmenusAccessing Submenus on Large Displays Liebert iCOM Display Components and FunctionsService Mode on Large Display Only Maintenance on Large Display OnlySetup on Large Display Only Large Display OnlyACTIVE ALARMSC / F RH4.3Changing Liebert iCOM’s Display Settings RETURN AIR TEMPERATURE RHFigure 10 Temperature graph Figure 11 Liebert iCOM Service Menu icons4.6.2Wiring a Liebert iCOM U2U Network 4.6Wiring for Unit-to-Unit Communications-U2U4.6.1Liebert iCOM U2U Ethernet Network Small DisplaysWall-MountLarge Display Large DisplaysLiebert iCOM Display Components and Functions Figure 12 U2U network setup diagram Network SwitchLiebert Challenger with Large Liebert iCOM Display1.See unit electrical schematic 194273 Figure 13 Liebert iCOM wiring-Unitas shippedLiebert iCOM Display Components and Functions Rear View U2U Networking Switch Field-Supplied Liebert iCOM I/O Board194273 Cable C P64A Connection Located Near I/O BoardGraphics Display Optional LargeRear View 194273Liebert iCOM Display Components and Functions Figure 16 Liebert iCOM input-outputcontrol board4.7Entering Network Setup Information Status Menu Unit 1 View Service Menu Unit #Status Menu Unit User Menu Unit #5.1Single Unit Functions Figure 20 Start-stoppriority switches5.0OPERATION 5.1.1Unit/Fan Control Start - StopFan Alarm / Fan Protection Settings Loss of Power AlarmAutorestart Digital Scroll High Temperature High Pressure AlarmPump Down-AirCooled with Condenser Only Units 5.1.3Compressor Timing5.2.1Proportional Control 5.2Control Types5.2.2PI Control 5.2.3Intelligent Control Chilled Water Only 6.0ALARM DESCRIPTIONS 6.1Standard Alarms6.1.1Change Filter 6.1.2Compressor Overload6.1.8Humidifier Problem Infrared Humidifiers 6.1.6High Temperature6.1.3High Head Pressure 6.1.4High Humidity6.1.13Low Temperature 6.1.10Loss of Power6.1.9Loss of Air Flow 6.1.11Low Humidity6.2.1Loss of Water Flow Set alarms-UserMenus6.2.2Smoke Detected 6.2.3Standby GC Pump On7.1.1Environmental Control Functions 7.0COMPONENT OPERATION AND MAINTENANCECooling HeatingControl Transformer and Fuses Fan Safety SwitchHigh-TempSensor Smoke DetectorFigure 22 Recommended liquid sensor locations Remote Shutdown7.3Blower Package 7.2Filters7.3.1Fan Impellers and Bearings 7.3.2Belt7.3.3Air Distribution 7.4Refrigeration System7.4.1Suction Pressure Table 6 Suction pressures - R407c7.4.2Discharge Pressure Adjustment7.4.3Superheat 7.4.4Thermostatic Expansion Valve OperationOperation-Self-ContainedUnits Adjustment7.4.6Air Cooled Condenser Figure 23 Outdoor fan/condenser configuration Control AdjustmentControl Method StartupFigure 25 Metrex valve adjustment Figure 24 Johnson Controls valve adjustmentComponent Operation and Maintenance 1. All drycoolers are shipped at Factory Setting 7.4.10Drycooler SettingsBefore Replacing or Returning a Compressor 7.4.11 Compressor Oil7.5.1Compressor Functional Check Table 10 Compressor oil typesMechanical Failure 7.5.2Standard Scroll Compressor ReplacementElectrical Failure Glycol Solution Maintenance 7.7Humidifier Cleaning the Pan7.7.1Infrared Humidifier Removing the PanChanging Humidifier Lamps Autoflush Infrared Humidifier Cleaning SystemAutoflush Operation Figure 26 Infrared humidifier lamps7.7.2Steam Generating Humidifier Autoflush ControlsFigure 27 Steam generating humidifier Operation Component Operation and MaintenanceControls Replacing the Canister When replacing the canisterTable 11 Humidifier canister part numbers Drain Tempering Feature Circuit Board AdjustmentsTable 12 Blower troubleshooting 8.0TROUBLESHOOTINGTable 13 Chilled water troubleshooting Troubleshooting Troubleshooting Table 16 Glycol pump troubleshooting Table 15 Dehumidification troubleshootingTable 17 Infrared humidifier troubleshooting TroubleshootingTroubleshooting Troubleshooting Table 19 Reheat troubleshootingFilters 9.0MONTHLY MAINTENANCE INSPECTION CHECKLISTSteam Generating Humidifier Blower SectionFilters 10.0SEMIANNUAL MAINTENANCE INSPECTION CHECKLISTBlower Section CompressorSemiannual Maintenance Inspection Checklist Page Of Mission-CriticalData And Applications Ensuring The High Availabilitypport that