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Liebert DS user manual Filter & Electric Box Assembly

Models: DS

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Page 58

DPN000802 Rev. 1

Disassembling the Liebert DS for Transport

Figure 38 Component dimensions—downflow, air-cooled, 28-42kW (8-12 ton), scroll/digital scroll compressor models

Filter & Electric

Box Assembly

			39"
			(991mm)
		Blower & Coil	76"
	Compressor Assembly	Blower & Coil	(1930mm)
	Compressor Assembly	Assembly	Assembled
		Assembly	Assembled

Height

76"	60-3/16"
(1930mm)	(1529mm)

37"

(940mm)

33"	13"	59" (1499mm)
(838mm)	(330mm)

72" (1829mm)

Assembled Length

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

Table 28 Component weights—downflow, air-cooled, 28-42kW (8-12 ton), scroll/digital scroll

Dry Weight, Approximate, lb. (kg)

Component	Air-Cooled	Dual-Cool

Compressor Assembly	490 (223)	490 (223)

Filter & Electric Box Assembly	210 (96)	210 (96)

Blower & Coil Assembly	770 (350)	920 (418)

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Image 58

Liebert DS user manual Filter & Electric Box Assembly

Contents

Liebert DS Page Table of Contents Piping MaintenanceElectrical Connections 108Hvac Maintenance Checklist Compressor ReplacementFigures Page Page Tables Viii Important Safety Instructions Page Liebert DS Components and Nomenclature Downflow model component locationsUpflow model component locations U a = Dual-Cooling Water/Glycol Three-stage CompressorCooling Configurations GlycoolRoom Preparation PRE-INSTALLATION GuidelinesAir Distribution-Downflow Units Upflow ducting configurations Air Distribution-Upflow UnitsConnections and System Setup Operating ConditionsShipping weights-approximate, kg Liebert DS Dimensions and WeightsShipping dimensions-domestic and export, inches mm 028/035/042 053/070/077Approximate Model No 028, 035Top View Dry Weight, lb kg Approximate Model No 028, 035Front View 51mm Dry Weight lb. kg ApproximateDPN000894 GLYCOOL/Dual-CoolDry Weight, lb kg Approximate Model 053 070 077 Front ViewDry Weight, lb kg Approximate Model No 070 077Compressor Dry Weight, lb kg, Approximate Type Model 053 TOP ViewTop View Dry Weight, lb kg approximate Compressor Type ModelFront View Dry Weight, lb kg approximate Compressor Type Model 105 Dry Weight, lb kg Model No 028-042 Dry Weight, lb kg approximate Compressor Type ModelAlternate Refrigerant Piping Entrance Model No 053, 070 Top View Dry Weight, Approximate, lb kg Weights-upflow, air-cooled, 105kW 30 ton, allModel 105 Compressor GLYCOOL/Dual-Cool Dimensions, in. mm Model Height, in. mm Turning VaneFloor stand dimensions-downflow, 53-77kW 15-22 ton models Floor stand dimensions-downflow, 105kW 30 ton models Dimensions for upflow, 28-42kW 8-12 ton Models Blower SupplyBlower outlet and deck dimensions-upflow, 53-77kW 15-22 ton Dimensions, in. mm Models Blower SupplyBlower outlet and deck dimensions-upflow 105kW 30ton Dimensions, in. mm Models BlowerRear return filter box dimensions Dimensions, in mm Compressor Type # FiltersLeft Side Views Right Side Views Check One Packaging Material Equipment Inspection and HandlingUnpacking the Unit Step 181659P1 RevRemoving the Unit from the Skid With a Forklift StepMoving the unit to its installation location Removing Piano JacksRemoving Liebert DS from Skid Using Rigging RevLifting Sling Equal Equal Distance Distance Detail a Semi-Hermetic Compressor Spring Isolation SystemPlacing the Unit on a Floor Stand Liebert Floor Stand front discharge shownRequired Equipment Disassembly-Downflow UnitsDisassembling the Liebert DS for Transport Reheat-Optional Component Remove the Compressor Assembly Remove the Filter and Electric Box AssemblyReassembly-Downflow Units Reconnecting Piping, Charging and Replacing PanelsReassembly Checklist Filter & Electric Box Assembly Filter & Electric Box Assembly 940mm 1930mm Assembly Assembled Height 1930mm 59-7/16 Blower & Coil Assembly Filter and Electric Box AssemblySemi-Hermetic Compressor Scroll Compressor Dry Weight, lb kg Approximate Includes Panels Component Air Cooled Dual CoolFilter & Electric 1510mm Disassembly-Upflow Units Remove Compressor Assembly Remove Blower and Electric Box AssemblyReassembly-Upflow Unit 2159mm 31-1/4 794mm 85 2159mm Assembled Length 660mm 2083mm 108 2743mm Assembled Length 82 2083mm Blower & Electric Box Assembly 31-1/4 REV REV 31-1/4 794mm Electrical Connections Downflow LOW Volt Section Standard Electrical Connections Electrical Field Connection DescriptionsOptional Electrical Connections Optional Low Voltage Terminal Package Connections Piping Condensate Piping-Field-InstalledFluid Connections Gravity DrainCondensate Pump Gravity drain for downflow and upflow unitsHumidifier Supply Water-Optional Infrared Requirements of Systems Using Water or GlycolGeneral Guidelines Refrigeration Piping Leak Checking of Unit and Field PipingPiping Guidelines-Air-Cooled Units Recommended refrigerant line sizes OD copper inchesLiquid Line, lb kg Fan Lee-Temp Model Speed Includes receiverFan Speed Control Piping Fan Speed Control Leak Check and Evacuation ProcedureFan Speed Control Materials Supplied Fan speed suction pressure transducer settings Fan Speed ChargingLee-Temp Piping Lee-Temp Leak Check and Evacuation ProcedureLee-Temp Controlled Materials Supplied Lee-Temp Charging Lee-Temp suction pressure transducer settingsLee-Temp Receiver Refrigerant Level Piping Schematics Piping schematic-air-cooled, semi-hermetic compressor modelsLee-Temp Fan SpeedCustomer Heat Rejection Liebert DS UnitLiebert Piping schematic-GLYCOOL semi-hermetic compressor models Associated pipingLiebert Customer Heat Rejection Glycool with digital scroll compressor models Optional piping schematic for Econ-O-Coil DPN000805 RevConnection Size / Opening Point Description Inches mmDPN000804 Front of Unit 53kW 15ton / 70 & 77kW 20 & 22ton DPN000929 Rev DPN000933 HUM E1 E2 Front of Unit DPN001015 CGD TOP View Front Section View Left Side Section ViewTop View of Unit Point Description In. mmLeft Side Section View of Unit 53kW 15 ton/70 & 77kW 20 & 22 tonLeft Side Section View 53kW 15 tons/70 & 77kW 20 & 22 tonLeft Side Section View Front Section ViewPiping data-upflow, air-cooled 105kW 30 ton, all Point Description Connection Size / OpeningConnection Size Point Description Inches mm Opening, inches mmElectrical Checklist for Completed InstallationMoving and Placing Equipment Other108 109 Commissioning Procedure With Panels On Filter quantities, downflow units MaintenanceFilters Filter quantities, upflow unitsFilter Replacement Procedure-Upflow Units Filter Replacement Procedure-Downflow UnitsBlower Drive System Belt Installation and Tensioning Upflow Motor AccessBelt Removal Blower Bearing Inspection Blower Bearing MaintenanceBlower Bearing Replacement Blower MotorCorrect orientation of float switch HumidifierCondensate Drain Condensate Drain and Condensate Pump SystemsChanging Humidifier Lamps Infrared BulbsReheat-Electric Reheat Three-Stage and SCR Air-Cooled Condenser and DrycoolersCompressor Compressor Replacement Facility Fluid and Piping MaintenanceParadenser-Water-Cooled Condenser Cleaning InstructionsAdjustment-Johnson Controls/Penn Johnson Valves Water/Glycol Control ValvesLocation Testing Function of ValveAdjustment 12.11.2Motor Ball Valve-Digital Scroll CompressorsAquastat settings-six-fan drycoolers 12.11.3Drycooler SettingsAquastat settings-two-fan through four-fan drycoolers Aquastat settings-eight-fan drycoolersHvac Maintenance Checklist Compressor Section Refrigeration PipingWater-Cooled Condensers Electrical PanelAir-Cooled Condenser / Drycooler Glycol PumpPage Ti n Ne tIti That