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Liebert DS user manual 59-7/16 1509mm

Models: DS

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59-7/16" (1509mm)

DPN000926 Rev. 2

Disassembling the Liebert DS for Transport

Figure 40 Component dimensions—downflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic compressor models

Filter & Electric

Box Assembly

39"

(991mm)

Compressor Assembly

	Blower & Coil	76"
	Blower & Coil	(1930mm)
	Assembly	(1930mm)
	Assembly	Assembled
		Assembled
		Height

76"

(1930mm)

59-7/16" (1509mm)

37"

(940mm)

	33"	26"	82" (2083mm)
	(838mm)	(660mm)

108" (2743mm)

Assembled Length

NOTES: Drawing views are simplified with panels removed to show overall dimensions. See disassembly and handling instructions in installation manual.

Table 30 Component weights—downflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic

Dry Weight, Approximate, Including Panels, lb (kg)

Component	Air-Cooled	Dual-Cool

Compressor Assembly	970 (441)	970 (441)

Filter & Electric Box Assembly	250 (114)	250 (114)

Blower & Coil Assembly	1230 (560)	1410 (641)

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Image 60

Liebert DS user manual 59-7/16 1509mm

Contents

Liebert DS User Manual 28-105kW, 8-30 Tons, Upflow and Downflow, 50/60HzFor Business-Critical Continuity Page TABLE OF CONTENTS 1.0 LIEBERT DS COMPONENTS AND NOMENCLATURE 2.0 COOLING CONFIGURATIONS3.0 PRE-INSTALLATION GUIDELINES SAFETY INFORMATION12.0 MAINTENANCE 7.0 ELECTRICAL CONNECTIONS8.0 PIPING 13.0 HVAC MAINTENANCE CHECKLIST FIGURES compressor models all compressor models TABLES Table 43 Component weights-upflow, air-cooled, 105kW 30 ton, scroll/digital scroll compressor models SAVE THESE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONSRisk of high-speed moving parts. Can cause injury or death Risk of contact with hot surfaces. Can cause injuryRisk of leaking water. Can cause equipment and building damage 1.0 LIEBERT DS COMPONENTS AND NOMENCLATURE Figure 1 Downflow model component locationsFigure 2 Upflow model component locations Configuration 5 A U ALiebert DS Components and Nomenclature Air Distribution2.0 COOLING CONFIGURATIONS Cooling ConfigurationsAir-Cooled Glycol-Cooled3.0 PRE-INSTALLATION GUIDELINES 3.1 Room Preparation3.2 Air Distribution-Downflow Units Figure 5 Upflow ducting configurations 3.3 Air Distribution-Upflow Units3.4 Connections and System Setup 3.5 Operating Conditions4.0 LIEBERT DS DIMENSIONS AND WEIGHTS Liebert DS Dimensions and WeightsDownflow Unit Weight, lb Upflow Unit Weight, lbTop View Front ViewTop View Top View Front ViewDPN000924 Rev Air-Cooled2350 2400Figure 10 Cabinet and floor planning dimensions-downflow, air-cooled, 53-77kW 15-22 ton, scroll compressor models Front ViewTOP VIEW FRONT VIEWWeights for downflow, air-Cooled, 105kW 30 ton, all compressor models Top ViewFront View Figure 13 Cabinet and floor planning dimensions-downflow, water/glycol/GLYCOOL, 105kW 30 ton, all compressor models Top ViewFront View Figure 14 Cabinet and floor planning dimensions-upflow, air-cooled 28-42kW 8-12 ton, semi-hermetic compressor models Top ViewFront View Figure 15 Cabinet and floor planning dimensions-upflow, air-cooled 28-42kW 8-12 ton, scroll or digital scroll compressor models FRONT VIEW Top View Front View838mm Figure 18 Cabinet and floor planning dimensions-upflow, air-cooled, 53-77kW 15-22 ton, scroll or digital scroll compressor models Top ViewFront View Front View Table 17 Weights-upflow, air-cooled, 105kW 30 ton, all Liebert DS Dimensions and WeightsDry Weight, Approximate, lb kg TOP VIEWLiebert DS Dimensions and Weights TOP VIEWFRONT VIEW ModelLiebert DS Dimensions and Weights Dimensions, in. mmModel Height, in. mmLiebert DS Dimensions and Weights Dimensions, in. mmModel Height, in. mmFigure 24 Floor stand dimensions-downflow, 105kW 30 ton models Liebert DS Dimensions and WeightsHeight, in. mm D turning vaneFigure 25 Blower outlet and deck dimensions-upflow, 28-42kW 8-12 ton Table 22 Dimensions for upflow, 28-42kW 8-12 tonBlower Outlet Location - Top View Top of UnitBlower outlet and deck dimensions-upflow, 53-77kW 15-22 ton Figure 27 Blower outlet and deck dimensions-upflow 105kW 30ton Table 24 Blower outlet and deck dimensions-upflow 105kW 30ton1-1/2 38mm Figure 28 Rear return filter box dimensions Table 25 Rear return filter box dimensionsDPN001196 Rev Figure 29 Upflow unit plenum dimensions Table 26 Upflow unit plenum dimensionsCheck One Side View - UnitSAFETY INFORMATION 5.1 Packaging Material5.0 EQUIPMENT INSPECTION AND HANDLING Forklift PalletSpreader Bars and Slings Jack5.2.1 Removing the Unit from the Skid With a Forklift Figure 32 Remove the unit from the skid5.2.2 Moving the Unit to the Installation Location with Piano Jacks Figure 33 Moving the unit to its installation location5.2.3 Removing Piano Jacks 5.2.4 Removing Liebert DS from Skid Using Rigging LiftingFigure 35 Using rigging to lift Liebert DS off skid LiftingLifting Sling5.3 Semi-Hermetic Compressor Spring Isolation System 5.4 Placing the Unit on a Floor StandDETAIL A 6.2 Disassembly-Downflow Units 6.1 Required Equipment6.0 DISASSEMBLING THE LIEBERT DS FOR TRANSPORT 10. Reheat-Optional Component 11. Humidifier-Optional Component12. Condensate Pump-Optional Component 13. GLYCOOL/Dual-Cool-Optional Component6.2.1 Remove the Compressor Assembly 6.2.2 Remove the Filter and Electric Box AssemblyEmerson recommends using piano jacks when moving this section Emerson does not recommend unsweating refrigerant connections6.3 Reassembly-Downflow Units 6.3.1 Reconnecting Piping, Charging and Replacing Panels6.4 Reassembly Checklist Compressor Assembly Filter & Electric Box AssemblyBlower & Coil Assembly 60-3/16Filter & Electric Box Assembly Figure 39 Component dimensions-downflow, water/glycol/GLYCOOL, 28-42kW 8-12 ton, all compressor models 59-7/16 1509mm 1509mm 940mmFigure 42 Component dimensions-downflow water/glycol, GLYCOOL, 53-77kW 15-22 ton, all compressor models Figure 43 Component dimensions-downflow, air-cooled, 105kW 30 ton, semi-hermetic compressor models See disassembly and handling instructions in installation manual Figure 45 Component dimensions-downflow, water/glycol/GLYCOOL, 105kW 30 ton, all compressor models 6.5 Disassembly-Upflow Units Emerson does not recommend unsweating refrigerant connections6.5.1 Remove Compressor Assembly 6.5.2 Remove Blower and Electric Box AssemblyEmerson recommends using piano jacks when moving this section 6.6 Reassembly-Upflow Unit 6.7 Reassembly ChecklistFigure 46 Component dimensions-upflow, air-cooled, 28-42kW 8-12 ton, semi-hermetic compressor models Figure 47 Component dimensions-upflow, air-cooled, 28-42kW 8-12 ton, scroll/digital scroll compressor models Figure 48 Component dimensions-upflow, water/glycol/GLYCOOL, 28-42kW 8-12 ton, all compressor models 660mm 2083mm108 2743mm Assembled Length Figure 50 Component dimensions-upflow, air-cooled, 53-77kw 15-22 ton, scroll/digital scroll compressor models Figure 51 Component dimensions-upflow water/glycol/GLYCOOL 53-77kw 15-22 ton, all compressor models Figure 52 Component dimensions-upflow, air-cooled, 105kW 30 ton, semi-hermetic compressor models Figure 53 Component dimensions-upflow, air-cooled, 105kW 30 ton, scroll/digital scroll compressor models 31-1/4 794mm 7.0 ELECTRICAL CONNECTIONS Electrical ConnectionsDOWNFLOW LOW VOLT SECTION Electrical ConnectionsA B C D OVERLOAD PROTECTORS12. Factory installed disconnect switch 13. Secondary disconnect switch and earth ground7.1 Electrical Field Connection Descriptions Standard Electrical ConnectionsOptional Low Voltage Terminal Package Connections 8.1.1 Condensate Piping-Field-Installed 8.1 Fluid Connections8.0 PIPING Gravity DrainCORRECT INCORRECTINCORRECT DPN001556 DOWNFLOW DS UNIT8.1.3 Requirements of Systems Using Water or Glycol 8.1.2 Humidifier Supply Water-Optional InfraredGeneral Guidelines 8.2 Refrigeration Piping Leak Checking of Unit and Field Piping8.2.1 Piping Guidelines-Air-Cooled Units 11.7 8.3 Dehydration/Leak Test and Charging Procedures for R-407C and R-22 Fan Speed Control Leak Check and Evacuation ProcedureFan Speed Control Piping Fan Speed Control Materials SuppliedTable 49 Fan speed suction pressure transducer settings Fan Speed ChargingLee-Temp Leak Check and Evacuation Procedure Lee-Temp PipingLee-Temp Controlled Materials Supplied Table 50 Lee-Temp suction pressure transducer settings Lee-Temp ChargingLee-Temp Receiver Refrigerant Level Sight Glass Levels9.0 PIPING SCHEMATICS Valve Liquid ReturnLee-Temp LiquidLiquid Return Lee-TempFan Speed LiquidPiping schematic-water/glycol, semi-hermetic compressor models refer to 12.11.3 - Drycooler SettingsFor systems with drycoolers Liebert DS UnitFigure 60 Piping schematic-water/glycol with scroll compressor models Piping SchematicsFor systems with drycoolers refer to 12.11.3 - Drycooler Settings LIEBERTFigure 61 Piping schematic-GLYCOOL semi-hermetic compressor models Piping SchematicsFor systems with drycoolers refer to 12.11.3 - Drycooler Settings LIEBERTFigure 62 Piping schematic-GLYCOOL with scroll compressor models Piping SchematicsFor systems with drycoolers refer to 12.11.3 - Drycooler Settings LIEBERTPiping Schematics CUSTOMER HEAT REJECTIONLIEBERT HEAT REJECTIONPiping Schematics LIEBERTHEAT REJECTION LIEBERT DS UNIT and associated pipingFigure 65 Optional piping schematic for Econ-O-Coil DPN000805 RevFront View Section A-AFRONT OF UNIT DPN000803Note Drawing not to scale E1 E2 Piping Schematics Connection Size / OpeningPoint DescriptionPiping Schematics Connection Size / OpeningPoint DescriptionDPN000933 16-1/16408mm HUM E1 E2 Front of Unit DPN001014 RevLV1 LV2 LV3 14-1/2 Piping Schematics Connection Size / OpeningPoint DescriptionPiping Schematics FRONT SECTION VIEWConnection Size / Opening PointPiping Schematics Left Side Section ViewTop View of Unit Front Section ViewPiping Schematics TOP VIEW OF UNITFRONT SECTION VIEW OF UNIT Left Front Panel Not ShownPiping Schematics Front Section ViewConnection Size / Opening PointPiping Schematics 2. Tolerance on all piping dimensions is ±1/2 13mmTop View Left Side Section ViewPiping Schematics TOP VIEW OF UNITLEFT SIDE SECTION VIEW OF UNIT FRONT SECTION VIEW OF UNITFigure 81 Primary connection locations-upflow, water/glycol/GLYCOOL, 105kW 30 ton, all 10.0 CHECKLIST FOR COMPLETED INSTALLATION 10.1 Moving and Placing Equipment10.2 Electrical 10.3 PipingPage 11.2 Startup Checks Inspection With Panels Removed and Disconnect Off 11.3 Commissioning Procedure With Panels On Return Completed Startup Form to Your Local Emerson Sales Office12.0 MAINTENANCE 12.1 Filters12.1.1 Filter Replacement Procedure-Downflow Units 12.1.2 Filter Replacement Procedure-Upflow Units12.2 Blower Drive System Do Not Use12.2.1 Upflow Motor Access 12.2.3 Belt Installation and TensioningFigure 83 Upflow motor access 12.2.2 Belt RemovalBlower Bearing Maintenance Blower Bearing ReplacementBlower Bearing Inspection Blower MotorCorrect Switch Orientation Incorrect Switch Orientation 12.3.2 Cleaning Humidifier Pan and Float Switch12.3 Humidifier 12.3.1 Infrared Humidifier12.4 Condensate Drain and Condensate Pump Systems 12.3.3 Changing Humidifier Lamps12.4.1 Condensate Drain 12.4.2 Condensate Pump12.5 Air-Cooled Condenser and Drycoolers 12.6 Reheat-Electric Reheat Three-Stage and SCR12.7 Compressor 12.7.1 Compressor Oil12.8 Compressor Replacement 12.9 Facility Fluid and Piping Maintenance12.8.3 Compressor Replacement Procedure 12.8.1 Compressor Motor Burnout12.10.1 Cleaning Instructions Adjustment-Johnson Controls/Penn Johnson Valves12.10 Paradenser-Water-Cooled Condenser 12.11 Water/Glycol Control ValvesTesting Function of Valve AdjustmentLocation 12.11.2Motor Ball Valve-Digital Scroll Compressors12.11.3Drycooler Settings Table 58 Aquastat settings-two-fan through four-fan drycoolersTable 59 Aquastat settings-six-fan drycoolers Table 60 Aquastat settings-eight-fan drycoolers13.0 HVAC MAINTENANCE CHECKLIST FiltersBlower Section ReheatCondensate Pump Refrigeration PipingWater-Cooled Condensers Compressor SectionAir-Cooled Condenser / Drycooler Glycol PumpPage Ensuring The High Availability Of Mission-Critical Data And Applications