Manuals / Emerson / Household Appliance / Air Conditioner

Emerson 3000/ITR Optional Large, Graphics Display, Rear View, 194273, Liebert iCOM I/O Board

Models: 3000/ITR

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Liebert iCOM Display Components and Functions

Figure 15 Wiring a large display for U2U network operation

Red Crossover

Ethernet Cable

Crossover

Coupler

(See Note 6)

Cable 'C'

P64A Connection

Located Near

I/O Board

Not

Used

Liebert iCOM

I/O Board

CAN

Cable

See Note 4

	'D'	Optional Large
	Cable	Optional Large
	Cable	Graphics Display
		(Rear View)
		Customer Connection Point
		See Note 6
		U2U Networking Switch
		(Field-Supplied)

										To / From Other
										To / From Other
Straight-Through										Networked Units
Ethernet Cables										194273

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Image 29

Emerson 3000/ITR manual Optional Large, Graphics Display, Rear View, 194273, Liebert iCOM I/O Board

Contents

For Business-CriticalContinuity Operation& Maintenance Manual -50& 60HzPrecision Cooling 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 componentsLiebert iCOM Display Components and Functions 4.0LIEBERT ICOM DISPLAY COMPONENTS AND FUNCTIONSFigure 2 Liebert iCOM display components Liebert iCOM Display Components and Functions Keyboard icons and functions73.6 maintenance51.6 cooling51.6FACT 74.1F4.1.1Control Interface-ThreeMain Menus UNITFigure 6 Entering the password 4.1.2Accessing Menus and Settings Viewing Data4.1.3Entering 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 DisplaysLiebert iCOM Display Components and Functions Large DisplaysWall-MountLarge Display Figure 12 U2U network setup diagram Network SwitchLiebert Challenger with Large Liebert iCOM Display1.See unit electrical schematic Liebert iCOM Display Components and Functions Figure 13 Liebert iCOM wiring-Unitas shipped194273 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 - StopAutorestart Loss of Power AlarmFan Alarm / Fan Protection Settings Digital Scroll High Temperature High Pressure AlarmPump Down-AirCooled with Condenser Only Units 5.1.3Compressor Timing5.2.2PI Control 5.2Control Types5.2.1Proportional 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 Operation7.4.6Air Cooled Condenser AdjustmentOperation-Self-ContainedUnits Figure 23 Outdoor fan/condenser configuration Control AdjustmentControl Method StartupComponent Operation and Maintenance Figure 24 Johnson Controls valve adjustmentFigure 25 Metrex valve adjustment 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 typesElectrical Failure 7.5.2Standard Scroll Compressor ReplacementMechanical 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 lampsFigure 27 Steam generating humidifier Autoflush Controls7.7.2Steam Generating Humidifier Controls Component Operation and MaintenanceOperation Table 11 Humidifier canister part numbers When replacing the canisterReplacing the Canister Drain Tempering Feature Circuit Board AdjustmentsTable 13 Chilled water troubleshooting 8.0TROUBLESHOOTINGTable 12 Blower 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

Optional Large

Graphics Display

(Rear View)

194273