Manuals / Liebert / Household Appliance / Air Conditioner

Liebert 3000 Liquid Refrigerant Line, Hot GasRefrigerant Line, HotWater Return, Hot Water Supply

Models: 3000

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Installation

Figure 4 Piping connections for air cooled units

DOWNFLOW (BF) MODELS

Monitoring Panel

Condensate Drain, 3/4” FPT

Liquid Refrigerant Line

Field pitch minimum of

3/8" OD CU on Models BF042A/BF040A

1/8” (3.2mm) per foot (305mm).

1/2" OD CU on Models BF067A/BF065A

The drain line must comply with

Hot GasRefrigerant Line

all applicable codes

5/8" OD CU on Models BF042A/BF040A

7/8" OD CU on Models BF067A/BF065A

HotWater Return

Humidifier Water Supply Line

5/8" OD CU (optional)

Hot Water Supply

1/4" OD CU

5/8" OD CU (optional)

PIPING OUTLET LOCATIONS

(See Cabinet and Floor Planning

Dimensional Data for Piping

SL-11897 PG 9

Opening Sizes.)

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Liebert 3000 installation manual Liquid Refrigerant Line, Hot GasRefrigerant Line, HotWater Return, Hot Water Supply

Contents

Installation Manual- 3 &5 Tons,50& 60Hz Liebert ChallengerPage TABLE OF CONTENTS 6.0 CHILLED WATER MODELS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIGURES TABLES 1.1.1Self Contained Systems Air Cooled Models 1.0INTRODUCTIONWater Cooled Models Glycol Cooled Models2.1Room Preparation 2.0INSTALLATION2.2Equipment Inspection 2.3Location ConsiderationsInstallation Unit net weight2.4.2Removal of Skid Figure 1 Removing Challenger from skidInstallation Figure 2 Upflow BU cabinet dimensionsUNIT DIMENSIONAL DATA REAR VIEW rear return configurationFLOOR CUTOUT DIMENSIONS UNIT DIMENSIONAL DATAOPTIONAL FLOOR STAND DIMENSIONAL DATA Figure 3 Downflow BF cabinet dimensions2.5.1Drain Line 2.5Piping ConsiderationsPiping connection size Hot GasRefrigerant Line Liquid Refrigerant LineHotWater Return Hot Water SupplySuction Refrigerant Line HumidifierWater SupplyLineCondensate Pump Line Condensate DrainCondenser Return Line Condenser SupplyLineHotWater Return HumidifierWater SupplyLinePiping outlet locations through Installation 5.Three phase electric service not by Liebert 4.Factory installed disconnect switch. Optional2.6Electrical Connections Figure 8 Electrical connections2.7.1Under-FloorDischarge Systems 2.7Balancing the Air Distribution2.7.3Plenum Installation 2.8Checklist for Completed Installation2.7.2Ducted Applications Installation 3.2Electrical Connections 3.1Condenser Location3.0AIR COOLED MODELS 3.2.1Line VoltageTable Figure 9 Air cooled condensersAir cooled condenser statistics Air Cooled ModelsTable 5 Recommended line sizes — OD copper inches 3.3Refrigerant PipingTable 3.4.1Materials SuppliedEquivalent lengths feet for various pipe fittings TableDehydration/Leak Test Condenser Coil Schrader Valve Fusible Plug 3.4.3Charging Table 10 Refrigerant control settings psi kPa3.5.1Piping 3.5.2Materials Supplied Dehydration/Leak Test Table 11 Refrigerant control settings psi kPa3.5.4Charging SINGLE CIRCUIT SHOWN 4.2Condenser 4.1Piping Considerations4.0WATER COOLED MODELS Water Cooled Models Figure 12 Water cooled general arrangementFigure 13 Johnson Controls valve adjustment Adjustment4.3Water Regulating Valve Manual FlushingFigure 14 Metrex Valve adjustment 4.3.3Testing Valve FunctionTable 12 Refrigerant control settings psi kPa Manual Flushing5.1Drycooler Location 5.2Drycooler Installation5.3Electrical Connections 5.0GLYCOL/GLYCOOL COOLED MODELS5.4 Glycol Piping Table 13 Room dew point temperatures5.5.1 Preparing the System for Filling 5.5Filling InstructionsTable Table 16 Ethylene glycol concentrations 5.5.2Glycol Solutions5.5.3Filling the System 1.Single pump packages are 17-1/4 Figure 15 Drycoolers and pump packages438 mm wide. Dual pump packages ar 32-1/4819 mm wideFigure 16 Pump packages—expansiontank Table 17 Mounting hole dimensional dataTable 18 Drycooler data Table 19 Glycol pump dataExpansion Tank Field Installed at Glycol/GLYCOOL Cooled Models Figure 18 GLYCOOL general arrangementTable 20 Refrigerant control settings psi kPa 5.7.3Testing Valve Function5.6Condenser 5.7Glycol Regulating Valve6.0CHILLED WATER MODELS 6.1Piping Considerations3-WAYVALVE 2-WAYVALVE2-WAYVALVE 3-WAYVALVE7.1.1Air Cooled Condensing Units 7.0SPLIT SYSTEM MODELS7.1.2Water/Glycol Cooled Condensing Units 7.2.1Line Voltage7.3.1 Refrigerant Loop 7.3Piping ConsiderationsTable 24 Line coupling sizes Table 21 Unit refrigerant chargeSplit System Models Figure 21 Refrigerant piping diagram7.3.2Quick Connect Fittings 7.4Outdoor Air Cooled Condensing Units UNIT DIMENSIONS See TableSplit System Models Model Numbers UNIT DIMENSIONSINTAKE see Table FOOTPRINT DIMENSIONSSplit System Models PIPING & ELECTRICAL CONNECTIONS see TableModel Numbers SL-11081PG 8A 7.5Centrifugal Air Cooled Condensing Units 7.5.1Installing the Indoor Condensing UnitTable 30 Indoor centrifugal condensing unit Split System Models Figure 25 Detail of ceiling hanging bracket3/8 threaded rod field-supplied 3/8 hex nut 3/8 washer Sleeve Isolator 3/8 fender washerTable 31 Airflow CFM CMH 7.5.2DuctingPIPING CONNECTIONS DIMENSIONAL DATASplit System Models DPN000207_Rev01 5/8 DPN000226_Rev0 WATER COOLED AIR COOLEDGLYCOL COOLED Figure 30 Split systems general arrangement7.6.2Condenser Water Requirements 7.6.1Piping Considerations7.6.3Regulating Valve 7.6.4Glycol SystemsPIPING CONNECTIONS DIMENSIONAL DATASplit System Models DPN000209_Rev032 812.8mm CABINET DIMENSION Split System Models DPN000228_Rev0R407C Refrigerant 8.0R407C REFRIGERANTExample 8.1Calculating SubcoolingR407C Refrigerant NotesR407C Refrigerant Page 0f Mission-CriticalData And Applications Ensuring The High Availabilitythat from