Emerson 3000 installation manual DPN000349 Rev

Page 36

Air-Cooled Models—Self-Contained Compressor

Figure 15 General arrangement—Air-cooled models with fan speed control

*Inverted trap on discharge and liquid lines

to extend above base of coil by a minimum of 7-1/2" (190mm)

Condenser

Coil

Schrader

Valve

Schrader

Valve

Optional Field-Installed

Fusible Plug

*For rises over 25ft. (7.6m), trap every 20ft. (6m) or at evenly spaced points

 

 

Evaporator

 

 

Coil

 

Hot Gas

 

 

Bypass

Expansion

 

Valve

Liquid Return Solenoid

Valve

Sensing

 

Valves

 

Bulb

Shutoff*

Sight

 

Valve

Glass

 

Filter

Drier

Service

Hot Gas Valves

Bypass

External

Equalizers

Scroll

Compressor

 

Check

SINGLE CIRCUIT SHOWN

Hot Gas

Valve

Discharge

 

FACTORY PIPING

 

 

 

 

FIELD PIPING

*Trap at base of risers longer than 5ft. (1.5m)

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

DPN000349

Rev. 5

Liebert® Challenger 3000™

30

Page 35 Page 37
Image 36
Page 35 Page 37
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 Considerations Drain LinePiping connection size 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 Facility Fluid and Piping Maintenance Electrical ConnectionsHumidifier Supply Water-Optional Infrared 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 Condenser Location Line VoltageLow 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 Recommended line sizes OD copper, inches Equivalent lengths feet for various pipe fittings Condenser refrigerant per serial tag Fan Speed Control Systems Variable Fan Speed Control PipingVariable Fan Speed Control Materials Supplied Fan speed suction pressure transducer settings Variable Fan Speed ChargingDPN000349 Rev DPN001726 Liebert Lee-Temp Leak Check and Evacuation Procedure Liebert Lee-Temp PipingLiebert Lee-Temp Controlled Materials Supplied Liebert Lee-Temp suction pressure transducer settings Liebert Lee-TempCharging407C 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 ControlDrycooler Installation Drycooler LocationPump and Drycooler 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 concentrationsFilling 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 Testing Valve Function Glycol Regulating ValveMotor Ball Valve-Digital Scroll Compressors Chilled Water Models WAY Valve Air-Cooled Condensing Units Water/Glycol-Cooled Condensing UnitsRefrigerant Loop Unit refrigerant charge R407C ChargeModel Lb kg Line charges refrigerant per 100 ft m of Type L copper tube Recommended refrigerant lines R407C sizes OD copperLine coupling sizes 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 TablePiping and electrical connections top air discharge 36-1/4 38-1/2152 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 RefrigerantTemperature Pressure Gauge Psig KPa Calculating SubcoolingExample Page Ne t Ppor t Is tTwor k Care
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