Emerson 3000 installation manual Field Piping

Page 56
*Components are not supplied by Liebert but are recommended for proper circuit operation and maintenance

Glycol/GLYCOOL-Cooled Models—Self-Contained Compressor

Figure 25 General arrangement—Glycol-cooled models with scroll compressor

Expansion Tank Field-Installed at

 

Glycol

Highest Point in System

 

 

Drycooler

Unions*

Pump

Fill*

 

Electric Box

Drycooler

 

 

 

 

 

 

Coil

 

Pump Housing

Air Vents*

at Top of

Risers

Expansion

 

 

Fluid

 

Isolation

 

Evaporator

 

 

Return

 

 

Port*

 

 

to Pump

 

Valves*

 

Coil

 

Unions*

Fluid

 

Expansion

 

 

 

 

Supply

 

Valve

 

 

 

 

from

 

 

 

 

Hose

 

 

Pump

 

 

 

Sensing

Bibs*

 

 

 

 

 

 

 

Flow Regulating

Sight

 

 

Bulb

 

 

 

 

 

 

Valve*

 

Glass

 

 

 

Pressure

 

Hot Gas

External

 

Port*

 

 

 

 

 

 

 

 

 

 

Bypass

Equalizers

 

 

 

Filter

 

 

Valve

 

 

 

 

 

 

 

 

 

 

 

Dryer

 

 

Service

 

 

 

 

 

 

Hot Gas

 

 

 

 

 

 

Valves

 

 

 

 

 

 

Bypass

 

 

 

 

 

 

 

Scroll

 

 

 

 

 

Solenoid

 

 

 

 

 

 

Valve

 

Compressor

 

 

 

 

 

Hot Gas

 

 

 

 

 

 

 

Bypass

 

 

 

 

 

 

 

 

 

Tube

 

 

 

 

 

 

 

in Tube

 

 

 

 

 

 

 

Condenser

 

 

 

 

 

 

 

Tube

Fluid

 

Bypass

 

 

 

in Tube

 

 

 

 

Condenser

Supply

Valve

 

 

 

 

to Unit

 

 

 

 

 

 

Fluid

 

 

 

 

 

 

 

Return

 

 

 

 

 

 

 

from

Isolation

 

 

 

 

 

 

Unit

Valves*

 

 

 

 

 

 

 

 

2-Way Water

 

 

 

 

 

 

3-Way Water

 

 

 

 

Regulating

 

 

 

 

Regulating Valve

 

 

 

 

Valve

 

 

 

 

 

 

(optional)

 

 

 

 

 

 

 

Hose Bibs*

Fluid

Supply to Unit

Fluid

Return

from Field-Supplied

FACTORY PIPING Unit Reducers Required

on 3-Ton Units

FIELD PIPING

DPN000361 Rev. 2

Liebert® Challenger 3000™

50

Page 55 Page 57
Image 56
Page 55 Page 57
Contents Liebert Challenger 3000 with Liebert iCOM Page Table of Contents Chilled Water Models Split System ModelsFigures R407C RefrigerantTables Important Safety Instructions Liebert Challenger Important Safety Instructions System Descriptions Split Systems Prop Fan Air-CooledCentrifugal Fan Air-Cooled Water-CooledRoom Preparation Equipment InspectionLocation Considerations Equipment HandlingUnit net weight Handling With SkidRemoval of Skid Model Lb. kgUpflow BU cabinet dimensions Floor Cutout Dimensions Piping connection size Piping ConsiderationsDrain Line Piping connections for air-cooled units Downflow models Chilled Water Unit Connection Sizes-inPiping connections for air-cooled units Upflow models Installation Applicable to all Models Condensate Pump Line 1/2 OD CU used only Installation Applicable to all Models Installation Applicable to all Models Installation Applicable to all Models Installation Applicable to all Models Humidifier Supply Water-Optional Infrared Facility Fluid and Piping MaintenanceElectrical Connections Terminal Block For Customer Connectons Upflow Models with Liebert iCOM Downflow Models with Liebert iCOMPlenum Installation Balancing the Air DistributionUnder-Floor Discharge Systems Ducted ApplicationsChecklist for Completed Installation Low Voltage Condenser LocationLine Voltage Common to all models. See below for key to a dimension Air-cooled condenser statisticsLiebert Lee-Tempheater 43-9/16 51-7/16Refrigerant Piping Condenser refrigerant per serial tag Recommended line sizes OD copper, inchesEquivalent lengths feet for various pipe fittings Variable Fan Speed Control Materials Supplied Fan Speed Control SystemsVariable Fan Speed Control Piping Fan speed suction pressure transducer settings Variable Fan Speed ChargingDPN000349 Rev DPN001726 Liebert Lee-Temp Controlled Materials Supplied Liebert Lee-Temp Leak Check and Evacuation ProcedureLiebert Lee-Temp Piping 407C Liebert Lee-Temp suction pressure transducer settingsLiebert Lee-TempCharging Factory Piping Optional Piping Field Piping DPN001725 Condenser Factory Piping Field Piping Factory Piping Adjustment Water Regulating ValveRefrigerant control settings psi kPa Motorized Ball Valve-Digital Scroll CompressorsManual Flushing ControlControl Method StartupLocation Manual ControlPump and Drycooler Drycooler InstallationDrycooler Location Glycol Piping General GuidelinesRoom dew point temperatures Dry Bulb Wet Bulb Relative Dew Point HumidityVolume in standard Type L copper piping Filling InstructionsExpansion Tanks, Fluid Relief Valves and Other Devices Preparing the System for FillingGlycol Solutions Ethylene glycol concentrations Filling the System For expansion tank dimensions, see on 43-3/16 43-9/16 110 5mmSee Note 30-1/4 483mm 1097mmMounting hole dimensional data Drycooler dataGlycol pump data Pump Pump Suction Pump Discharge Connection,Field Piping General arrangement-Glycol-cooled models with digital scroll Expansion Tank Field-Installed at Pressure Motor Ball Valve-Digital Scroll Compressors Testing Valve FunctionGlycol Regulating Valve Chilled Water Models WAY Valve Air-Cooled Condensing Units Water/Glycol-Cooled Condensing UnitsRefrigerant Loop Model Lb kg Unit refrigerant chargeR407C Charge Line coupling sizes Line charges refrigerant per 100 ft m of Type L copper tubeRecommended refrigerant lines R407C sizes OD copper Quick Connect Fittings Unit Dimensions See Table Outdoor Air-Cooled Condensing UnitsPFCZ42A-L PFCZ41A-L Outdoor air-cooled condensing unit-top air discharge models See Table152 Piping and electrical connections top air discharge36-1/4 38-1/2 Field-supplied unit disconnect switch Ton High Ambient Ton Quiet-LineInstalling the Indoor Condensing Unit Model Net Weight 60 Hz 50 Hz Lb kg MC40A MC39ACentrifugal Air-Cooled Condensing Units Indoor centrifugal condensing unitDucting Airflow CFM CMHPiping Connections Wire connections from evaporator DPN000207Rev0 ModTon centrifugal air-cooled condensing unit dimensional data AIR Cooled Water Cooled Water and Glycol-Cooled Condensing Units Piping ConsiderationsTon Connection Sizes Condenser Water RequirementsGlycol Systems Ton water/glycol-cooled condensing unitDPN000209 Ton water/glycol-cooled condensing unit dimensional data WATER/GLYCOL Temperature Gauge Pressure Psig KPa R407C RefrigerantExample Temperature Pressure Gauge Psig KPaCalculating Subcooling Page Ne t Ppor t Is tTwor k Care
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