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Emerson 3000 installation manual Fluid Supply Fluid To Return Unit From Unit

Models: 3000

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Water-Cooled Models—Self-Contained Compressor

Figure 20 General arrangement diagram—Water-cooled models with digital scroll

Fluid

Supply

Fluid To

Return Unit

From

Unit

Shutoff*

Valves

Sight

Glass

Filter

Dryer

Evaporator

Coil

Expansion

Valve

Sensing

Bulb

External

Equalizer

	Service	Digital
	Service	Solenoid
	Valves	Solenoid
	Valves	Valve
		Valve
		Digital
		Compressor

Tube

in Tube

Condenser

Tube

in Tube

Condenser

To Liebert

iCOM Control

			2-Way
			Motorized
			Ball Valve
			Fluid
	Hose Bibs*	Field-Supplied	Supply
	Hose Bibs*		To Unit
			To Unit
		Reducers
		Required	Fluid
		on 3- Ton Units	Return

From Unit

FACTORY PIPING

FIELD PIPING

To Liebert

iCOM Control

3-Way Motorized Ball Valve (optional)

*Components are not supplied by Liebert but are recommended for proper circuit operation

and maintenance.

DPN001727 Rev. 0

37

Image 43

Emerson 3000 installation manual Fluid Supply Fluid To Return Unit From Unit

Contents

Installation Manual- 3 &5 Tons,50& 60Hz Liebert Challenger 3000 with iCOMFor Business-CriticalContinuity Page TABLE OF CONTENTS 5.0 GLYCOL/GLYCOOL-COOLED MODELS-SELF-CONTAINED COMPRESSOR FIGURES TABLES SAVE THESE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONSPage Glycol-CooledModels 1.0INTRODUCTION1.1.1Self-ContainedSystems Air-CooledModels Water-CooledModelsWater-Cooled 1.1.3Split SystemsProp Fan Air-Cooled Centrifugal Fan Air-Cooled2.3Location Considerations 2.0INSTALLATION APPLICABLE TO ALL MODELS2.1Room Preparation 2.2Equipment InspectionFigure 1 Removing Challenger from skid Unit net weight2.4.1Handling With Skid 2.4.2Removal of SkidInstallation Applicable to all Models Figure 2 Upflow BU cabinet dimensions30-1/2 775mm 76 1930mm 2.5Piping Considerations Piping connection size2.5.1Drain Line Liebert iCOM Control Panel Humidifier Water Supply Line 1/4 OD CU Liebert iCOM Control Humidifier Water Supply Line 1/4 OD CU iCOM Control Panel Humidifier Water Supply Line 1/4 OD CU Liebert iCOM Control Piping outlet locations through 2.7Electrical Connections 2.6Facility Fluid and Piping Maintenance2.5.2Humidifier Supply Water-OptionalInfrared Terminal Block - for customer connections Upflow Models with Liebert iCOM Installation Applicable to all ModelsDownflow Models with Liebert iCOM 2.8.2Ducted Applications 2.8.3Plenum Installation2.8Balancing the Air Distribution 2.8.1Under-FloorDischarge Systems2.9Checklist for Completed Installation 3.2.1Line Voltage 3.1Condenser Location3.2Electrical Connections 3.0AIR-COOLED MODELS-SELF-CONTAINED COMPRESSORAir-cooledcondenser statistics Figure 14 Air-cooledcondensersRecommended line sizes - OD copper inches 3.3Refrigerant PipingCondenser refrigerant per serial tag Variable Fan Speed Control PipingEquivalent lengths feet for various pipe fittings Indoor unit refrigerant charge lb kgVariable Fan Speed Control Materials Supplied Air-Cooled Models-Self-ContainedCompressor Variable Fan Speed ChargingCondenser Coil Schrader Valve Fusible Plug Condenser Coil Schrader Valve Fusible Plug Liebert Lee-TempPiping Lee-TempLeak Check and Evacuation ProcedureLiebert Lee-TempControlled Materials Supplied Lee-TempReceiver Refrigerant Level Lee-TempChargingSight Glass Levels Condenser Coil Inverted Trap * on 4.2Condenser 4.1Piping Considerations4.0WATER-COOLED MODELS-SELF-CONTAINED COMPRESSOR Evaporator Coil Fluid Supply Fluid To Return Unit From Unit Figure 21 Johnson Controls valve adjustment Adjustment4.3Water Regulating Valve 4.4.1Control Figure 22 Metrex Valve adjustmentTable 12 Refrigerant control settings psi kPa Manual Flushing4.4.5Manual Control 4.4.2Adjustment4.4.3Startup 4.4.4Location5.3.1Line Voltage 5.2Drycooler Installation5.1Drycooler Location 5.3Electrical ConnectionsGeneral Guidelines 5.4Glycol PipingTable 13 Room dew point temperatures 5.5.1 Preparing the System for Filling 5.5Filling Instructions5.5.2Glycol Solutions Table 16 Ethylene glycol concentrations 5.5.3Filling the System32-1/4819 mm wide Figure 23 Drycoolers and pump packages1.Single pump packages are 17-1/4 438 mm wide. Dual pump packages arTable 19 Glycol pump data Table 17 Mounting hole dimensional dataFigure 24 Pump packages-expansiontank Drycooler dataExpansion Tank Field-Installedat Page Expansion Tank Field-Installedat Expansion Tank Field-Installedat 5.7Glycol Regulating Valve 5.7.3Testing Valve FunctionTable 20 Refrigerant control settings psi kPa 5.6Condenser6.0CHILLED WATER MODELS 6.1Piping ConsiderationsChilled Water Return Chilled Water Supply Shutoff 7.1.1Air-CooledCondensing Units 7.1Location Considerations7.2Electrical Connections 7.0SPLIT SYSTEM MODELS7.2.2Low Voltage 7.3Piping Considerations7.3.1Refrigerant Loop Table 21 Unit refrigerant charge 7.3.2Quick Connect Fittings Figure 31 Refrigerant piping diagramTable 24 Line coupling sizes 7.4Outdoor Air-CooledCondensing Units Split System Models Split System Models UNIT DIMENSIONS see TablePIPING & ELECTRICAL CONNECTIONS see Table Split System Models Split System Models 7.5Centrifugal Air-CooledCondensing Units 7.5.1Installing the Indoor Condensing UnitTable 30 Indoor centrifugal condensing unit Figure 35 Detail of ceiling hanging bracket 7.5.2DuctingTable 31 Airflow CFM CMH Split System Models DIMENSIONAL DATAPIPING CONNECTIONS SL-11085PgRev0 DPN000207812.8mm AIR COOLED Figure 40 Split systems general arrangement AIR COOLEDWATER COOLED GLYCOL COOLED3-TonConnection Sizes 7.6.1Piping Considerations7.6.2Condenser Water Requirements 7.6.3Regulating Valve7.6.4Glycol Systems Factory-wiredcomponents 32 812.8mm Cabinet Dimension Removable Split System Models R407C Refrigerant 8.0R407C REFRIGERANT8.1Calculating Subcooling R407C Refrigerant R407C Refrigerant Page Locations Ensuring The High AvailabilityOf Mission-CriticalData And Applications that