Emerson 3000 installation manual DPN001725

Page 41

Air-Cooled Models—Self-Contained Compressor

Figure 18 General arrangement—Air-cooled models with digital scroll and Liebert Lee-Temp™

Inverted trap * on discharge and liquid lines to extend above base of coil by a minimum

Condenser Coil

Piping Assembly **

of 7-1/2" (190mm)

Check Valve

Rotalock Valve **

 

Head Pressure

 

1/4" ( 6.4mm)

 

Control with

 

Pressure Relief

 

Integral Check

 

 

Liebert

Valve * *

 

Valve

 

 

 

Lee-Temp

 

 

 

 

 

 

 

 

Receiver

Sight Glass

* For rises over

 

 

 

 

 

 

 

25ft. (7.6m), trap

 

 

 

 

every 20ft. (6m) or

 

 

 

Evaporator Coil

at evenly spaced

Liquid Return

 

 

points (hot gas

from Condenser

Expansion Valve

 

line only)

 

 

 

 

 

 

Solenoid Valve

Sensing Bulb

Shutoff Sight Glass

Valve *

Liquid Return

Filter

 

 

Drier

Check

Valve

Hot Gas Discharge

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

 

External Equalizer

Service

Digital

Valves

Solenoid Valve

 

Digital

 

Compressor

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

**Components supplied by Liebert and must be field-installed.

FACTORY PIPING

 

OPTIONAL PIPING

DPN001725

FIELD PIPING

Rev. 1

35

Liebert® Challenger 3000™

Page 40 Page 42
Image 41
Page 40 Page 42
Contents Liebert Challenger 3000 with Liebert iCOM Page Table of Contents Split System Models Chilled Water ModelsR407C Refrigerant FiguresTables Important Safety Instructions Liebert Challenger Important Safety Instructions System Descriptions Prop Fan Air-Cooled Split SystemsCentrifugal Fan Air-Cooled Water-CooledEquipment Inspection Room PreparationLocation Considerations Equipment HandlingHandling With Skid Unit net weightRemoval of Skid Model Lb. kgUpflow BU cabinet dimensions Floor Cutout Dimensions Piping connection size Piping ConsiderationsDrain Line Chilled Water Unit Connection Sizes-in Piping connections for air-cooled units Downflow modelsPiping 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 Downflow Models with Liebert iCOM Upflow Models with Liebert iCOMBalancing the Air Distribution Plenum InstallationUnder-Floor Discharge Systems Ducted ApplicationsChecklist for Completed Installation Low Voltage Condenser LocationLine Voltage Air-cooled condenser statistics Common to all models. See below for key to a dimensionLiebert 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 Variable Fan Speed Charging Fan speed suction pressure transducer settingsDPN000349 Rev DPN001726 Liebert Lee-Temp Controlled Materials Supplied Liebert Lee-Temp Leak Check and Evacuation Procedure Liebert 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 Water Regulating Valve AdjustmentMotorized Ball Valve-Digital Scroll Compressors Refrigerant control settings psi kPaManual Flushing ControlStartup Control MethodLocation Manual ControlPump and Drycooler Drycooler InstallationDrycooler Location General Guidelines Glycol PipingDry Bulb Wet Bulb Relative Dew Point Humidity Room dew point temperaturesFilling Instructions Volume in standard Type L copper pipingExpansion Tanks, Fluid Relief Valves and Other Devices Preparing the System for FillingEthylene glycol concentrations Glycol SolutionsFilling the System 43-3/16 43-9/16 110 5mm For expansion tank dimensions, see onSee Note 30-1/4 483mm 1097mmDrycooler data Mounting hole dimensional 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 Water/Glycol-Cooled Condensing Units Air-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 Outdoor Air-Cooled Condensing Units Unit Dimensions See TablePFCZ42A-L PFCZ41A-L See Table Outdoor air-cooled condensing unit-top air discharge models152 Piping and electrical connections top air discharge36-1/4 38-1/2 Ton High Ambient Ton Quiet-Line Field-supplied unit disconnect switchModel Net Weight 60 Hz 50 Hz Lb kg MC40A MC39A Installing the Indoor Condensing UnitCentrifugal Air-Cooled Condensing Units Indoor centrifugal condensing unitAirflow CFM CMH DuctingPiping Connections DPN000207 Wire connections from evaporatorRev0 ModTon centrifugal air-cooled condensing unit dimensional data AIR Cooled Water Cooled Piping Considerations Water and Glycol-Cooled Condensing UnitsTon Connection Sizes Condenser Water RequirementsTon water/glycol-cooled condensing unit Glycol SystemsDPN000209 Ton water/glycol-cooled condensing unit dimensional data WATER/GLYCOL R407C Refrigerant Temperature Gauge Pressure Psig KPaExample Temperature Pressure Gauge Psig KPaCalculating Subcooling Page Ppor t Is t Ne tTwor k Care
Related manuals
Manual 60 pages 24.1 Kb Manual 88 pages 36.41 Kb Manual 32 pages 13.16 Kb Manual 22 pages 3.64 Kb Manual 76 pages 17.32 Kb Manual 184 pages 52.9 Kb
Top Page Image Contents