Liebert 308 415 Single Circuit Shown, General arrangement-Air cooled models with Lee-Temp control

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Inspection and Installation

Figure 24 General arrangement—Air cooled models with Lee-Temp control

Condenser Coil

Inverted Trap *

on discharge line

to extend 7-1/2" (190mm)Piping Assembly **

above coil base

Rotalock Valve **

Check

Head Pressure Valve Control with

Integral Check

Valve	-temp
	Lee
	Receiver

1/4" (6.4mm) Pressure Relief Valve**

Sight Glass

*Traps every 25 ft (7.6m) of rise on hot gas line only

Liquid Return from Condenser

Expansion

Valve

Evaporator Coil

	Shutoff *	Solenoid
	Shutoff *	Valves
	(Isolation)	Valves
	(Isolation)	Sight
	Valve	Glass
	Filter	Glass
	Filter
	Liquid Dryer	External
	Return	Equalizers

Hot Gas	Check	Service Valves
Hot Gas	Valve
Bypass	Valve
(optional)

Sensing Bulb

Compressor***

Hot Gas

Discharge

Single Circuit Shown

Factory Piping

Optional Piping

Field Piping

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

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

***Various compressor types may be available.

DPN000681

Rev. 0

29

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Contents Liebert Air Cooled, Direct Drive Condensers Example DCDF165-Y Three-phase voltage is only voltage available as standardOn condensers with VFD Control, Lee-temp receivers, Fan Speed Control 2-8 fan models onlyTable of Contents Operation System MaintenanceHead Pressure Control Types Product Description and FeaturesFan Speed Variable Frequency DriveTypical 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 dataR-407C refrigerant required, approximate Refrigerant Planning ValuesReceiver Quiet-Line Condenser ModelsPacking 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 dataLow Voltage Monitoring Wiring-TCDV Only Low Voltage Control WiringElectrical Connections Lee-Temp receiver electrical data, 50Hz and 60HzWye-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 Electrical Moving and Placing EquipmentPiping OtherStartup Startup ChecklistSystem Maintenance General ProceduresCondenser Cleaning Special ProceduresWhen to Clean How to CleanMonthly Semiannually Condenser Maintenance Inspection ChecklistCondenser Electrical Panel Condenser Electric Panel Fan MotorsSymptom Possible Cause Check or Remedy TroubleshootingSystem Maintenance System Maintenance Page Iti Ne tTi n That