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Image 44

Contents Liebert Air Cooled, Direct Drive Condensers Three-phase voltage is only voltage available as standard Example DCDF165-YOn condensers with VFD Control, Lee-temp receivers, Fan Speed Control 2-8 fan models onlyTable of Contents System Maintenance OperationProduct Description and Features Head Pressure Control TypesFan Speed Variable Frequency DriveTransient Voltage Surge Suppression Option Typical System ConfigurationsSound Level Options Fan Speed and VFD Lee-Temp DischargeDimensions and Weights Site ConsiderationsSee for typical condenser footprint dimensions 1067 mmFour-Fan41-3/16 Condenser 1046mm See for typical Operation and component accessCondenser footprint dimensions Typical condenser footprint-dimensions Piping connections for 6- and 8-fan Fan Speed Condensers Site Preparation Condenser physical data Quiet-Line ModelsRefrigerant Planning Values R-407C refrigerant required, approximateReceiver Quiet-Line Condenser ModelsEquipment Inspection Packing MaterialHandling Unit on the Skid Unpacking the UnitRemoving the Skid and Attaching Slings Attaching legs to a 6-fan or 8-fan unit StepMounting the Condenser Attaching sling to a 6-fan or 8-fan unit for movingLine Voltage Wiring Electrical Supply Preparation60Hz condenser data 50Hz condenser full load amp valuesLow Voltage Control Wiring Low Voltage Monitoring Wiring-TCDV OnlyElectrical Connections Lee-Temp receiver electrical data, 50Hz and 60HzVFD Control Condensers Tcdv only Wye-Connected Power SupplyDelta-Connected Power Supply Disconnect EMC Filter for Delta-Connected Power Electric service connection and fuse block Electrical Field Connection DescriptionsElectrical field connections for VFD control condensers Inspection and Installation Refrigeration Piping Connections Piping GuidelinesField Piping Installation VFD and Fan Speed Control condenser pipingLee-Temp head pressure control condenser piping Single Circuit Shown General arrangement-Air cooled models with Lee-Temp controlSystem Dehydration/Leak Test and Charging Procedures Moving and Placing Equipment ElectricalPiping OtherStartup Checklist StartupGeneral Procedures System MaintenanceSpecial Procedures Condenser CleaningWhen to Clean How to CleanMaintenance Inspection Checklist Monthly Semiannually CondenserCondenser Electrical Panel Condenser Electric Panel Fan MotorsTroubleshooting Symptom Possible Cause Check or RemedySystem Maintenance System Maintenance Page Ne t ItiTi n That