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Emerson 3000/ITR manual Liebert iCOM input-outputcontrol board

Models: 3000/ITR

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Liebert iCOM Display Components and Functions

Figure 16 Liebert iCOM input-output control board

P65		P64
P61	P63	(RJ-45 Jack)

P67

P66

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Emerson 3000/ITR manual Liebert iCOM input-outputcontrol board, Liebert iCOM Display Components and Functions

Contents

Operation& Maintenance Manual -50& 60Hz Precision CoolingFor Business-CriticalContinuity Page TABLE OF CONTENTS Page FIGURES TABLES IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONSPage 1.1.1Compressorized Systems 1.1System Descriptions1.0INTRODUCTION 1.1.2GLYCOOL Chilled Glycol Cooling Systems2.1Startup Procedure 2.0STARTUP18.Close front accent panel and latch 14.Check for unusual noises and vibration17.Close high voltage dead front cover and latch Return completed startup form toLarge and Small Displays 3.1Features3.0OPERATION WITH ICOM CONTROL Figure 1 Liebert iCOM components4.0LIEBERT ICOM DISPLAY COMPONENTS AND FUNCTIONS Figure 2 Liebert iCOM display componentsLiebert iCOM Display Components and Functions Keyboard icons and functions Liebert iCOM Display Components and Functions51.6 maintenance73.6 cooling4.1.1Control Interface-ThreeMain Menus 74.1F51.6FACT UNIT4.1.2Accessing Menus and Settings Viewing Data 4.1.3Entering the PasswordFigure 6 Entering the password Accessing Submenus on Large Displays 4.1.4Accessing SubmenusAccessing Submenus on Small Displays Liebert iCOM Display Components and FunctionsSetup on Large Display Only Maintenance on Large Display OnlyService Mode on Large Display Only Large Display OnlyC / F ALARMSACTIVE RH4.3Changing Liebert iCOM’s Display Settings Figure 10 Temperature graph RHRETURN AIR TEMPERATURE Figure 11 Liebert iCOM Service Menu icons4.6.1Liebert iCOM U2U Ethernet Network 4.6Wiring for Unit-to-Unit Communications-U2U4.6.2Wiring a Liebert iCOM U2U Network Small DisplaysLarge Displays Wall-MountLarge DisplayLiebert iCOM Display Components and Functions Liebert Challenger with Large Liebert Network SwitchFigure 12 U2U network setup diagram iCOM Display1.See unit electrical schematic Figure 13 Liebert iCOM wiring-Unitas shipped 194273Liebert iCOM Display Components and Functions 194273 Liebert iCOM I/O BoardRear View U2U Networking Switch Field-Supplied Cable C P64A Connection Located Near I/O BoardRear View Optional LargeGraphics Display 194273Figure 16 Liebert iCOM input-outputcontrol board Liebert iCOM Display Components and Functions4.7Entering Network Setup Information Status Menu Unit Service Menu Unit #Status Menu Unit 1 View User Menu Unit #5.0OPERATION Figure 20 Start-stoppriority switches5.1Single Unit Functions 5.1.1Unit/Fan Control Start - StopLoss of Power Alarm Fan Alarm / Fan Protection SettingsAutorestart Pump Down-AirCooled with Condenser Only Units High Pressure AlarmDigital Scroll High Temperature 5.1.3Compressor Timing5.2Control Types 5.2.1Proportional Control5.2.2PI Control 5.2.3Intelligent Control Chilled Water Only 6.1.1Change Filter 6.1Standard Alarms6.0ALARM DESCRIPTIONS 6.1.2Compressor Overload6.1.3High Head Pressure 6.1.6High Temperature6.1.8Humidifier Problem Infrared Humidifiers 6.1.4High Humidity6.1.9Loss of Air Flow 6.1.10Loss of Power6.1.13Low Temperature 6.1.11Low Humidity6.2.2Smoke Detected Set alarms-UserMenus6.2.1Loss of Water Flow 6.2.3Standby GC Pump OnCooling 7.0COMPONENT OPERATION AND MAINTENANCE7.1.1Environmental Control Functions HeatingHigh-TempSensor Fan Safety SwitchControl Transformer and Fuses Smoke DetectorRemote Shutdown Figure 22 Recommended liquid sensor locations7.3.1Fan Impellers and Bearings 7.2Filters7.3Blower Package 7.3.2Belt7.4.1Suction Pressure 7.4Refrigeration System7.3.3Air Distribution Table 6 Suction pressures - R407c7.4.3Superheat Adjustment7.4.2Discharge Pressure 7.4.4Thermostatic Expansion Valve OperationAdjustment Operation-Self-ContainedUnits7.4.6Air Cooled Condenser Figure 23 Outdoor fan/condenser configuration Control Method AdjustmentControl StartupFigure 24 Johnson Controls valve adjustment Figure 25 Metrex valve adjustmentComponent Operation and Maintenance 7.4.10Drycooler Settings 1. All drycoolers are shipped at Factory Setting7.5.1Compressor Functional Check 7.4.11 Compressor OilBefore Replacing or Returning a Compressor Table 10 Compressor oil types7.5.2Standard Scroll Compressor Replacement Mechanical FailureElectrical Failure Glycol Solution Maintenance 7.7.1Infrared Humidifier Cleaning the Pan7.7Humidifier Removing the PanAutoflush Operation Autoflush Infrared Humidifier Cleaning SystemChanging Humidifier Lamps Figure 26 Infrared humidifier lampsAutoflush Controls 7.7.2Steam Generating HumidifierFigure 27 Steam generating humidifier Component Operation and Maintenance OperationControls When replacing the canister Replacing the CanisterTable 11 Humidifier canister part numbers Circuit Board Adjustments Drain Tempering Feature8.0TROUBLESHOOTING Table 12 Blower troubleshootingTable 13 Chilled water troubleshooting Troubleshooting Troubleshooting Table 17 Infrared humidifier troubleshooting Table 15 Dehumidification troubleshootingTable 16 Glycol pump troubleshooting TroubleshootingTroubleshooting Table 19 Reheat troubleshooting TroubleshootingSteam Generating Humidifier 9.0MONTHLY MAINTENANCE INSPECTION CHECKLISTFilters Blower SectionBlower Section 10.0SEMIANNUAL MAINTENANCE INSPECTION CHECKLISTFilters CompressorSemiannual Maintenance Inspection Checklist Page pport Ensuring The High AvailabilityOf Mission-CriticalData And Applications that