Liebert 1010, 205 251, 104 165, 308 415, 510 616 830 manual Operation, System Maintenance

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4.4 Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.0 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

5.1 Startup Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.2 Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.0 SYSTEM MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

6.1 General Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

6.2 Special Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6.2.1 Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.2.2 Maintenance Inspection Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

FIGURES

Figure i Product model nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inside Front Cover Figure 1 Liebert two-fan condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2 Typical system configuration—indoor unit and outdoor condenser and field piping . . . . . . . . . . . 3 Figure 3 Condenser planning dimensional data—One-fan and two-fan units. . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 4 Condenser planning dimensional data—Three-fan and four-fan units . . . . . . . . . . . . . . . . . . . . . . 6 Figure 5 Condenser planning dimensional data—Six- and eight-fan units . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 6 Typical condenser footprint—dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 7 Piping connection locations for 1-,2-, 3- and 4-fan VFD Control and Fan Speed Condensers . . . 8 Figure 8 Piping connections for 1-,2-, 3- and 4-fanLee-Temp and Quiet-Line Condensers . . . . . . . . . . . . . 9 Figure 9 Piping connections for 6- and 8-fan Fan Speed Condensers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 10 Piping connections for 6- and 8-fanLee-Temp and Quiet-Line Condensers . . . . . . . . . . . . . . . . . 10 Figure 11 Equipment recommended for handling a Liebert condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 12 Removing shipping crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 13 Attaching legs and sling to a 1-,2-, 3- or 4-fan condenser for moving . . . . . . . . . . . . . . . . . . . . . . 15 Figure 14 Attaching legs to a 6-fan or 8-fan unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 15 Attaching sling to a 6-fan or 8-fan unit for moving. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 16 Wye-connected power diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 17 Delta-connected power diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 18 Disconnecting EMC filter for operation with Delta-connected power . . . . . . . . . . . . . . . . . . . . . . 22 Figure 19 Electrical field connections for Fan Speed Control Condensers. . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 20 Electrical field connections for VFD control condensers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 21 Electrical field connections for Liebert Lee-Temp control condensers. . . . . . . . . . . . . . . . . . . . . . 25 Figure 22 VFD and Fan Speed Control condenser piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 23 Lee-Temp head pressure control condenser piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 24 General arrangement—Air cooled models with Lee-Temp control . . . . . . . . . . . . . . . . . . . . . . . . 29

TABLES

Table 1 Condenser shipping weights, dimensions and volume, approximate . . . . . . . . . . . . . . . . . . . . . . . 4 Table 2 Condenser physical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 3 R-22 and R-407C refrigerant required, approximate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 4 Interconnecting piping refrigerant charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 5 60Hz condenser data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Table 6 60Hz condenser data, Quiet-Line(Lee-Tempcontrolled/fan-cycling) . . . . . . . . . . . . . . . . . . . . . . 19 Table 7 50Hz condenser full load amp values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Table 8 Lee-Temp receiver electrical data, 50Hz and 60Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Table 9 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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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 DriveSound Level Options Typical System ConfigurationsTransient Voltage Surge Suppression Option Fan Speed and VFD Lee-Temp DischargeDimensions and Weights Site ConsiderationsSee for typical condenser footprint dimensions 1067 mmFour-Fan41-3/16 Condenser 1046mm Condenser footprint dimensions Operation and component accessSee for typical 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 60HzDelta-Connected Power Supply Wye-Connected Power SupplyVFD Control Condensers Tcdv only 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