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Liebert 3000 installation manual GLYCOOL general arrangement, Glycol/GLYCOOL Cooled Models

Models: 3000

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Glycol/GLYCOOL Cooled Models

Figure 18 GLYCOOL general arrangement

	Expansion Tank Field Installed at
	Highest Point in System				Unions*
	Fill *	Drycooler	Drycooler		Unions*
	Fill *	Drycooler
		Electric
		Box	Coil
		Box
			Fluid
	Pressure		Return to		Isolation
	Port*	Unions*	Pump		Valves*
		Unions*	Fluid
			Fluid
			Supply
	Hose		from
Air Vents*	Hose		Pump
Air Vents*	Bib*
at Top of	Bib*	Flow Regulating		Sight
at Top of		Flow Regulating		Sight
Risers		Valve*		Glass
		Pressure

Port*

Filter

Drier

Hot Gas

Bypass

Solenoid

Valve

Hot Gas

Bypass

3-Way Water

Regulating

FluidValve

Valve

Supply to

Glycol

Pump

Housing

Evaporator

Coil

Expansion

Valve

Sensing

Bulb

Hot Gas

Bypass External

Valve Scroll Equalizers

Compressor

Service

Valves

Econ-O-Coil

Tube

in Tube

Condenser

Unit

Actuator

Fluid	Econ-O-Cycle
Return
	Comparator
from
Unit	Isolation	3-Way Chilled

	Valves*	Glycol Valve

Econ-O-Coil

Circuit

Hose Bibs*

FACTORY PIPING
FIELD PIPING
*Components are not supplied by Liebert but	SL-11901 PG 5
are recommended for proper circuit operation and maintenance.	SL-11901 PG 5

Page 44

Image 44

Liebert 3000 installation manual GLYCOOL general arrangement, Glycol/GLYCOOL Cooled Models

Contents

Liebert Challenger Installation Manual- 3 &5 Tons,50& 60HzPage TABLE OF CONTENTS 6.0 CHILLED WATER MODELS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIGURES TABLES 1.0INTRODUCTION 1.1.1Self Contained Systems Air Cooled ModelsWater Cooled Models Glycol Cooled Models2.0INSTALLATION 2.1Room Preparation2.2Equipment Inspection 2.3Location ConsiderationsUnit net weight Installation2.4.2Removal of Skid Figure 1 Removing Challenger from skidFigure 2 Upflow BU cabinet dimensions InstallationUNIT DIMENSIONAL DATA REAR VIEW rear return configurationUNIT DIMENSIONAL DATA FLOOR CUTOUT DIMENSIONSOPTIONAL FLOOR STAND DIMENSIONAL DATA Figure 3 Downflow BF cabinet dimensionsPiping connection size 2.5Piping Considerations2.5.1Drain Line Liquid Refrigerant Line Hot GasRefrigerant LineHotWater Return Hot Water SupplyHumidifierWater SupplyLine Suction Refrigerant LineCondensate Pump Line Condensate DrainCondenser SupplyLine Condenser Return LineHotWater Return HumidifierWater SupplyLinePiping outlet locations through Installation 4.Factory installed disconnect switch. Optional 5.Three phase electric service not by Liebert2.6Electrical Connections Figure 8 Electrical connections2.7Balancing the Air Distribution 2.7.1Under-FloorDischarge Systems2.7.2Ducted Applications 2.8Checklist for Completed Installation2.7.3Plenum Installation Installation 3.1Condenser Location 3.2Electrical Connections3.0AIR COOLED MODELS 3.2.1Line VoltageFigure 9 Air cooled condensers TableAir cooled condenser statistics Air Cooled Models3.3Refrigerant Piping Table 5 Recommended line sizes — OD copper inches3.4.1Materials Supplied TableEquivalent lengths feet for various pipe fittings TableDehydration/Leak Test Condenser Coil Schrader Valve Fusible Plug 3.5.1Piping Table 10 Refrigerant control settings psi kPa3.4.3Charging 3.5.2Materials Supplied 3.5.4Charging Table 11 Refrigerant control settings psi kPaDehydration/Leak Test SINGLE CIRCUIT SHOWN 4.0WATER COOLED MODELS 4.1Piping Considerations4.2Condenser Figure 12 Water cooled general arrangement Water Cooled ModelsAdjustment Figure 13 Johnson Controls valve adjustment4.3Water Regulating Valve Manual Flushing4.3.3Testing Valve Function Figure 14 Metrex Valve adjustmentTable 12 Refrigerant control settings psi kPa Manual Flushing5.2Drycooler Installation 5.1Drycooler Location5.3Electrical Connections 5.0GLYCOL/GLYCOOL COOLED MODELSTable 13 Room dew point temperatures 5.4 Glycol PipingTable 5.5Filling Instructions5.5.1 Preparing the System for Filling 5.5.2Glycol Solutions Table 16 Ethylene glycol concentrations5.5.3Filling the System Figure 15 Drycoolers and pump packages 1.Single pump packages are 17-1/4438 mm wide. Dual pump packages ar 32-1/4819 mm wideTable 17 Mounting hole dimensional data Figure 16 Pump packages—expansiontankTable 18 Drycooler data Table 19 Glycol pump dataExpansion Tank Field Installed at Figure 18 GLYCOOL general arrangement Glycol/GLYCOOL Cooled Models5.7.3Testing Valve Function Table 20 Refrigerant control settings psi kPa5.6Condenser 5.7Glycol Regulating Valve6.1Piping Considerations 6.0CHILLED WATER MODELS3-WAYVALVE 2-WAYVALVE3-WAYVALVE 2-WAYVALVE7.0SPLIT SYSTEM MODELS 7.1.1Air Cooled Condensing Units7.1.2Water/Glycol Cooled Condensing Units 7.2.1Line Voltage7.3Piping Considerations 7.3.1 Refrigerant LoopTable 21 Unit refrigerant charge Table 24 Line coupling sizesFigure 21 Refrigerant piping diagram Split System Models7.3.2Quick Connect Fittings Split System Models UNIT DIMENSIONS See Table7.4Outdoor Air Cooled Condensing Units Model Numbers FOOTPRINT DIMENSIONS UNIT DIMENSIONSINTAKE see TableSplit System Models PIPING & ELECTRICAL CONNECTIONS see TableModel Numbers SL-11081PG 8A Table 30 Indoor centrifugal condensing unit 7.5.1Installing the Indoor Condensing Unit7.5Centrifugal Air Cooled Condensing Units Figure 25 Detail of ceiling hanging bracket Split System Models3/8 threaded rod field-supplied 3/8 hex nut 3/8 washer Sleeve Isolator 3/8 fender washer7.5.2Ducting Table 31 Airflow CFM CMHDIMENSIONAL DATA PIPING CONNECTIONSDPN000207_Rev0 Split System Models1 5/8 DPN000226_Rev0 AIR COOLED WATER COOLEDGLYCOL COOLED Figure 30 Split systems general arrangement7.6.1Piping Considerations 7.6.2Condenser Water Requirements7.6.3Regulating Valve 7.6.4Glycol SystemsDIMENSIONAL DATA PIPING CONNECTIONSDPN000209_Rev0 Split System Models32 812.8mm CABINET DIMENSION DPN000228_Rev0 Split System Models8.0R407C REFRIGERANT R407C Refrigerant8.1Calculating Subcooling ExampleNotes R407C RefrigerantR407C Refrigerant Page Ensuring The High Availability 0f Mission-CriticalData And Applicationsthat from