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Emerson 3000/ITR Liebert iCOM I/O Board, 194273, Cable C P64A Connection Located Near I/O Board

Models: 3000/ITR

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Image 28

Liebert iCOM Display Components and Functions

Figure 14 Wiring a small display for U2U network operation

Cable 'C'

P64A Connection

Located Near

I/O Board

Not

Used

Liebert iCOM

I/O Board

194273

CAN

Cable

Standard Small

Graphics Display

(Rear View)

U2U Networking Switch (Field-Supplied)

Straight-Through	To / From Other
Ethernet Cable	Networked Units

Page 28

Image 28

Emerson 3000/ITR Liebert iCOM I/O Board, 194273, Cable C P64A Connection Located Near I/O Board, Not Used, To / From Other

Contents

Precision Cooling Operation& Maintenance Manual -50& 60HzFor Business-CriticalContinuity Page TABLE OF CONTENTS Page FIGURES TABLES IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONSPage 1.1System Descriptions 1.0INTRODUCTION1.1.1Compressorized Systems 1.1.2GLYCOOL Chilled Glycol Cooling Systems2.1Startup Procedure 2.0STARTUP14.Check for unusual noises and vibration 17.Close high voltage dead front cover and latch18.Close front accent panel and latch Return completed startup form to3.1Features 3.0OPERATION WITH ICOM CONTROLLarge 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 Keyboard icons and functions Liebert iCOM Display Components and Functionsmaintenance 73.651.6 cooling74.1F 51.6FACT4.1.1Control Interface-ThreeMain Menus UNIT4.1.3Entering the Password 4.1.2Accessing Menus and Settings Viewing DataFigure 6 Entering the password 4.1.4Accessing Submenus Accessing Submenus on Small DisplaysAccessing Submenus on Large Displays Liebert iCOM Display Components and FunctionsMaintenance on Large Display Only Service Mode on Large Display OnlySetup on Large Display Only Large Display OnlyALARMS ACTIVEC / F RH4.3Changing Liebert iCOM’s Display Settings RH RETURN AIR TEMPERATUREFigure 10 Temperature graph Figure 11 Liebert iCOM Service Menu icons4.6Wiring for Unit-to-Unit Communications-U2U 4.6.2Wiring a Liebert iCOM U2U Network4.6.1Liebert iCOM U2U Ethernet Network Small DisplaysWall-MountLarge Display Large DisplaysLiebert iCOM Display Components and Functions Network Switch Figure 12 U2U network setup diagramLiebert Challenger with Large Liebert iCOM Display1.See unit electrical schematic 194273 Figure 13 Liebert iCOM wiring-Unitas shippedLiebert iCOM Display Components and Functions Liebert iCOM I/O Board Rear View U2U Networking Switch Field-Supplied194273 Cable C P64A Connection Located Near I/O BoardOptional Large Graphics DisplayRear View 194273Figure 16 Liebert iCOM input-outputcontrol board Liebert iCOM Display Components and Functions4.7Entering Network Setup Information Service Menu Unit # Status Menu Unit 1 ViewStatus Menu Unit User Menu Unit #Figure 20 Start-stoppriority switches 5.1Single Unit Functions5.0OPERATION 5.1.1Unit/Fan Control Start - StopFan Alarm / Fan Protection Settings Loss of Power AlarmAutorestart High Pressure Alarm Digital Scroll High TemperaturePump 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 6.1Standard Alarms 6.0ALARM DESCRIPTIONS6.1.1Change Filter 6.1.2Compressor Overload6.1.6High Temperature 6.1.8Humidifier Problem Infrared Humidifiers6.1.3High Head Pressure 6.1.4High Humidity6.1.10Loss of Power 6.1.13Low Temperature6.1.9Loss of Air Flow 6.1.11Low HumiditySet alarms-UserMenus 6.2.1Loss of Water Flow6.2.2Smoke Detected 6.2.3Standby GC Pump On7.0COMPONENT OPERATION AND MAINTENANCE 7.1.1Environmental Control FunctionsCooling HeatingFan Safety Switch Control Transformer and FusesHigh-TempSensor Smoke DetectorRemote Shutdown Figure 22 Recommended liquid sensor locations7.2Filters 7.3Blower Package7.3.1Fan Impellers and Bearings 7.3.2Belt7.4Refrigeration System 7.3.3Air Distribution7.4.1Suction Pressure Table 6 Suction pressures - R407cAdjustment 7.4.2Discharge Pressure7.4.3Superheat 7.4.4Thermostatic Expansion Valve OperationOperation-Self-ContainedUnits Adjustment7.4.6Air Cooled Condenser Figure 23 Outdoor fan/condenser configuration Adjustment ControlControl Method StartupFigure 25 Metrex valve adjustment Figure 24 Johnson Controls valve adjustmentComponent Operation and Maintenance 7.4.10Drycooler Settings 1. All drycoolers are shipped at Factory Setting7.4.11 Compressor Oil Before Replacing or Returning a Compressor7.5.1Compressor Functional Check Table 10 Compressor oil typesMechanical Failure 7.5.2Standard Scroll Compressor ReplacementElectrical Failure Glycol Solution Maintenance Cleaning the Pan 7.7Humidifier7.7.1Infrared Humidifier Removing the PanAutoflush Infrared Humidifier Cleaning System Changing Humidifier LampsAutoflush 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 Circuit Board Adjustments Drain Tempering FeatureTable 12 Blower troubleshooting 8.0TROUBLESHOOTINGTable 13 Chilled water troubleshooting Troubleshooting Troubleshooting Table 15 Dehumidification troubleshooting Table 16 Glycol pump troubleshootingTable 17 Infrared humidifier troubleshooting TroubleshootingTroubleshooting Table 19 Reheat troubleshooting Troubleshooting9.0MONTHLY MAINTENANCE INSPECTION CHECKLIST FiltersSteam Generating Humidifier Blower Section10.0SEMIANNUAL MAINTENANCE INSPECTION CHECKLIST FiltersBlower Section CompressorSemiannual Maintenance Inspection Checklist Page Ensuring The High Availability Of Mission-CriticalData And Applicationspport that

Cable 'C'

Not

Liebert iCOM

194273

CAN

(Rear View)

Straight-Through

To / From Other

Ethernet Cable

Networked Units