Liebert 308 415, 205 251, 104 165, 1010, 510 616 830 Electrical Field Connection Descriptions

Page 27

Inspection and Installation

3.8Electrical Field Connection Descriptions

Figure 19 Electrical field connections for Fan Speed Control Condensers

Electric service connection and fuse block.

Factory wired to 24V

Class 2 control circuit.

Control interlock (70, 71) Field-supplied Class 2 wiring to interlock condenser 24V controls to Liebert room unit;

7/8 in. (22.2mm) diameter hole provided in bottom of electric box.

Electric service connection terminals when factory disconnect is NOT supplied.

Electric service connection terminals when factory disconnect is supplied.

Factory installed disconnect switch (optional).

Factory-wired to components on electric panel.

Earth ground bar (optional on 50Hz only). Connection terminals with factory ground from each high voltage component for field-supplied

earth grounding wire.

Earth ground connection (60Hz). Connection terminals for field supplied earth grounding wire when factory disconnect is NOT supplied.

Earth ground connection (60Hz). Connection terminal for field- supplied earth grounding wire when factory disconnect is supplied.

Electric service entrance. A 7/8 in. (22.2mm) diameter hole in a 1 1/8 in (28.6mm) knockout provided in bottom of electric box.

Electric service, not by Liebert. Single-phase for condenser models CSF, CDF with single fan motor. Three-phase for all other condenser models.

DPN000666

Rev. 0

NOTE: Refer to specification sheet for full load amp. and wire size amp. ratings.

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Contents Liebert Air Cooled, Direct Drive Condensers Fan Speed Control 2-8 fan models only Three-phase voltage is only voltage available as standardExample DCDF165-Y On condensers with VFD Control, Lee-temp receivers,Table of Contents Operation System MaintenanceVariable Frequency Drive Product Description and FeaturesHead Pressure Control Types Fan SpeedTypical System Configurations Sound Level OptionsTransient Voltage Surge Suppression Option Lee-Temp Discharge Fan Speed and VFDSite Considerations Dimensions and Weights1067 mm See for typical condenser footprint dimensionsFour-Fan41-3/16 Condenser 1046mm Operation and component access Condenser footprint dimensionsSee for typical Typical condenser footprint-dimensions Piping connections for 6- and 8-fan Fan Speed Condensers Site Preparation Quiet-Line Models Condenser physical dataQuiet-Line Condenser Models Refrigerant Planning ValuesR-407C refrigerant required, approximate ReceiverPacking Material Equipment InspectionUnpacking the Unit Handling Unit on the SkidRemoving the Skid and Attaching Slings Step Attaching legs to a 6-fan or 8-fan unitAttaching sling to a 6-fan or 8-fan unit for moving Mounting the CondenserElectrical Supply Preparation Line Voltage Wiring50Hz condenser full load amp values 60Hz condenser dataLee-Temp receiver electrical data, 50Hz and 60Hz Low Voltage Control WiringLow Voltage Monitoring Wiring-TCDV Only Electrical ConnectionsWye-Connected Power Supply Delta-Connected Power SupplyVFD Control Condensers Tcdv only Disconnect EMC Filter for Delta-Connected Power Electrical Field Connection Descriptions Electric service connection and fuse blockElectrical field connections for VFD control condensers Inspection and Installation Piping Guidelines Refrigeration Piping ConnectionsVFD and Fan Speed Control condenser piping Field Piping InstallationLee-Temp head pressure control condenser piping General arrangement-Air cooled models with Lee-Temp control Single Circuit ShownSystem Dehydration/Leak Test and Charging Procedures Other Moving and Placing EquipmentElectrical PipingStartup Startup ChecklistSystem Maintenance General ProceduresHow to Clean Special ProceduresCondenser Cleaning When to CleanFan Motors Maintenance Inspection ChecklistMonthly Semiannually Condenser Condenser Electrical Panel Condenser Electric PanelSymptom Possible Cause Check or Remedy TroubleshootingSystem Maintenance System Maintenance Page That Ne tIti Ti n