Liebert Air Cooled Bedienungsanleitung

Precision CoolingFor Business-Critical Continuity™Liebert® Air Cooled, Direct Drive CondensersInstallation, Operation and Maintenance Manual - 50/60Hz

Site Preparation6Figure 4 Condenser planning dimensional data—Three-fan and four-fan unitsNote:Overall height to the top of fan guard43-1/8" (109

Site Preparation7Figure 5 Condenser planning dimensional data—Six- and eight-fan units171-1/2"(4356mm)37-7/8"(962mm)131-1/2"(3340mm)18&

Site Preparation8Figure 6 Typical condenser footprint—dimensionsFigure 7 Piping connection locations for 1-, 2-, 3- and 4-fan VFD Control and Fan Spee

Site Preparation9Figure 8 Piping connections for 1-, 2-, 3- and 4-fan Lee-Temp and Quiet-Line CondensersFigure 9 Piping connections for 6- and 8-fan F

Site Preparation10Figure 10 Piping connections for 6- and 8-fan Lee-Temp and Quiet-Line CondensersAccess Valve (Hot Gas) onCondensers (Typ. 2)Inlet Co

Site Preparation11Table 2 Condenser physical dataModel #Numberof FansNumberof CircuitsConnection Size, OD, In.Net Weightlb (kg) Hot Gas LiquidStandar

Site Preparation122.3 Refrigerant Planning ValuesPlanning for the refrigerant requirements of the completed system is the addition of the charges from

Inspection and Installation133.0 INSPECTION AND INSTALLATION3.1 Equipment InspectionBefore unpacking the condenser, verify that the labeled equipment

Inspection and Installation143.2 Handling Unit on the SkidTransport the unit using a fork lift or a crane with sling and spreader bars.• If using a fo

Inspection and Installation153.4 Preparing a 1-, 2-, 3- or 4-Fan Condenser for Moving and Installation3.4.1 Removing the Skid and Attaching Slings1. I

Figure i Product model nomenclatureDD 165-Y*S = Single Refrigerant CircuitD = Dual Refrigerant CircuitP = 208/230V-1ph-60HzZ = 460V-1ph-60Hz

Inspection and Installation163.5 Preparing a 6-Fan or 8-Fan Condenser for Moving and Installation3.5.1 Removing the Skid and Attaching SlingsThe follo

Inspection and Installation17Figure 15 Attaching sling to a 6-fan or 8-fan unit for moving3.5.2 Mounting the CondenserThe condenser must be installed

Inspection and Installation183.6 Electrical Supply PreparationLine voltage electrical service is required for all models. Refer to equipment nameplate

Inspection and Installation19Table 5 60Hz condenser dataModel # 83, 104 165, 205 251, 308 415, 510 616 830, 1010# of Fans 1 2 3 4 6 8InputVoltage ph F

Inspection and Installation203.6.2 Low Voltage Control WiringNOTICERisk of control malfunction. Can cause improper unit operation. Make sure that all

Inspection and Installation213.7.1 VFD Control Condensers (TCDV) onlyThe installer/startup technician must determine the type of 3-phase supply power

Inspection and Installation22Disconnect EMC Filter for Delta-Connected PowerInstaller/startup technician needs to disconnect the EMC filter on the VFD

Inspection and Installation233.8 Electrical Field Connection DescriptionsFigure 19 Electrical field connections for Fan Speed Control CondensersEarth

Inspection and Installation24Figure 20 Electrical field connections for VFD control condensersAlarm ConnectionsField-supplied 24V Class 1wiring to rem

Inspection and Installation25Figure 21 Electrical field connections for Liebert Lee-Temp control condensers7071Electric service. Three-phase forall mo

iTABLE OF CONTENTS1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Inspection and Installation263.9 Refrigeration Piping Connections3.9.1 Piping GuidelinesIndoor units and condensers both ship with nitrogen holding ch

Inspection and Installation273.9.2 Field Piping InstallationOne discharge line and one liquid line must be field-installed for each circuit of the ind

Inspection and Installation28Figure 23 Lee-Temp head pressure control condenser pipingFasten liquid and hot gas linesto leg using flat surface clampsw

Inspection and Installation29Figure 24 General arrangement—Air cooled models with Lee-Temp controlCompressor***Hot GasBypass(optional)Hot GasDischarge

Inspection and Installation303.10 System Dehydration/Leak Test and Charging ProceduresProcedures for leak check and evacuation of the entire refrigera

Checklist for Completed Installation314.0 CHECKLIST FOR COMPLETED INSTALLATION4.1 Moving and Placing Equipment___ 1. Unpack and check received materia

Operation325.0 OPERATION5.1 Startup ChecklistRefer to 4.0 - Checklist for Completed Installation and verify that all installation items have been comp

System Maintenance336.0 SYSTEM MAINTENANCE6.1 General ProceduresPeriodic attention is necessary for continued satisfactory operation of your unit. Res

System Maintenance346.2 Special Procedures6.2.1 Condenser CleaningKeeping the outdoor condenser coils clean is an important factor in maintaining peak

System Maintenance356.2.2 Maintenance Inspection ChecklistSignature: _________________________________________________________________________________

ii4.4 Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System Maintenance36Table 9 TroubleshootingSymptom Possible Cause Check or RemedyCondenser will not startNo power to condenser Check voltage at input

System Maintenance37NOTES

System Maintenance38

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Introduction11.0 INTRODUCTION1.1 Product Description and FeaturesThe Liebert condenser is low-profile direct-drive propeller fan-type air cooled unit

Introduction21.2.3 Liebert Lee-Temp™ Refrigerant ControlThe Liebert Lee-Temp head pressure control system is designed to maintain proper operating hea

Introduction3Figure 2 Typical system configuration—indoor unit and outdoor condenser and field pipingLee-Temp ReceiverFan Speed and VFDLee-TempService

Site Preparation42.0 SITE PREPARATION2.1 Site ConsiderationsThe condensers should be installed in a location offering maximum security and access for

Site Preparation5Figure 3 Condenser planning dimensional data—One-fan and two-fan units51-1/2"(1308mm)43-9/16"(1106mm)37-7/8"(962mm)18&