Liebert Precision Cooling System DS Uživatelský manuál

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Strany 1 - User Manual

Precision CoolingFor Business-Critical Continuity™Liebert® DS™User Manual28-105kW, 8-30 Tons, Upflow and Downflow, 50/60Hz

Strany 2 -

viiiTable 43 Component weights—upflow, air-cooled, 105kW (30 ton), scroll/digital scroll compressor models . . . . . . . . . . . . . . . . . . . . . .

Strany 3 - TABLE OF CONTENTS

Piping Schematics90Figure 65 Optional piping schematic for Econ-O-CoilDPN000805Rev. 1* Supplied with 10 feet (3m) extra thermistor wire for installati

Strany 4

Piping Schematics91Figure 66 Primary connection locations—downflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic compressor modelsPoint DescriptionXi

Strany 5

Piping Schematics92Figure 67 Primary connection locations—downflow, air-Cooled, 28-42kW (8-12 ton) with scroll compressor modelsPoint DescriptionXinch

Strany 6

Piping Schematics93Figure 68 Primary connection locations—downflow water/glycol/GLYCOOL 28-42kW (8-12 ton), all compressor modelsPoint DescriptionXinc

Strany 7

Piping Schematics94Figure 69 Primary connection locations—downflow, air-Cooled, 53-77kW (15-22 ton), semi-hermetic compressor modelsPoint DescriptionX

Strany 8

Piping Schematics95Figure 70 Primary connection locations—downflow, air-Cooled, 53-77kW (15-22 ton) with scroll compressor modelsPoint DescriptionXinc

Strany 9

Piping Schematics96Figure 71 Primary connection locations—downflow, water/glycol/GLYCOO,L 53-77kW (15-22 ton), all compressor modelsPoint) Description

Strany 10

Piping Schematics97Figure 72 Primary connection locations—downflow, air-cooled, 105kW (30 ton), all compressor modelsPoint) Description)Xinches (mm)Yi

Strany 11 - SAVE THESE INSTRUCTIONS

Piping Schematics98Figure 73 Primary connection locations—downflow, air-cooled, 105kW (30 ton), all compressor modelsPoint Description)Xinches (mm)Yin

Strany 12

Piping Schematics99Figure 74 Primary connection locations—upflow, air-cooled, 28-42kw (8-12 ton), semi-hermetic compressor modelsPoint DescriptionXinc

Strany 13

1IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSThis manual contains important safety instructions that should be followed during the installatio

Strany 14

Piping Schematics100Figure 75 Primary connection locations—upflow, air-Cooled, 28-42kW (8-12 ton), semi-hermetic compressor modelsPoint DescriptionXin

Strany 15

Piping Schematics101Figure 76 Primary connection locations—upflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all compressor modelsPoint DescriptionXin

Strany 16 - 2.0 COOLING CONFIGURATIONS

Piping Schematics102Figure 77 Primary connection locations—upflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic compressor modelsPoint Description X

Strany 17 - 3.1 Room Preparation

Piping Schematics103Figure 78 Primary connection locations—upflow, air-cooled, 53-77kW (15-22 ton), scroll compressor modelsPoint Description Xinches

Strany 18 - Pre-Installation Guidelines

Piping Schematics104Figure 79 Primary connection locations—upflow, water/glycol/GLYCOOL, 53-77kW (15-22 ton), all compressor modelsPoint Description X

Strany 19 - 3.5 Operating Conditions

Piping Schematics105Figure 80 Primary connection locations—upflow, air-cooled, 105kW (30 ton), allTable 51 Piping data—upflow, air-cooled 105kW (30 to

Strany 20

Piping Schematics106Figure 81 Primary connection locations—upflow, water/glycol/GLYCOOL, 105kW (30 ton), allTable 52 Piping data—upflow, upflow, water

Strany 21

Checklist for Completed Installation10710.0 CHECKLIST FOR COMPLETED INSTALLATION10.1 Moving and Placing Equipment___ 1. Unpack and check received mate

Strany 22 - 33"

Initial Startup Checks and Commissioning Procedure for Warranty Inspection10811.0 INITIAL STARTUP CHECKS AND COMMISSIONING PROCEDURE FOR WARRANTY INSP

Strany 23 - Approximate

Initial Startup Checks and Commissioning Procedure for Warranty Inspection10911.1 Information for Warranty Inspection—Remove Power From Unit Disconnec

Strany 24 - DPN000924

2!WARNINGRisk of high-speed moving parts. Can cause injury or death.Disconnect all local and remote electric power supplies before working in the unit

Strany 25

Initial Startup Checks and Commissioning Procedure for Warranty Inspection11011.3 Commissioning Procedure With Panels On1. Disconnect all power to the

Strany 26 - FRONT VIEW

Maintenance11112.0 MAINTENANCEThe Liebert DS product is a single component in the facility heat removal system. The system includes air distribution (

Strany 27

Maintenance11212.1.1 Filter Replacement Procedure—Downflow Units1. Disconnect power from the Liebert DS.2. Using a stepladder, remove filters from the

Strany 28 - DPN001013

Maintenance11312.2.1 Upflow Motor Access1. Remove the lateral support (sheet metal channel) under electric box by removing two screws at each end.2. R

Strany 29

Maintenance114Figure 84 Auto-belt tensioning motor baseBlower Bearing Maintenance• Field lubrication is NOT required for the life of the bearing.• Bea

Strany 30

Maintenance11512.3 Humidifier12.3.1 Infrared HumidifierDuring normal humidifier operation, deposits of mineral solids will collect in humidifier pan a

Strany 31

Maintenance11612.3.3 Changing Humidifier Lamps1. Remove humidifier pan (see 12.3.2 - Cleaning Humidifier Pan and Float Switch, Steps 1 through 10).2.

Strany 32

Maintenance11712.5 Air-Cooled Condenser and Drycoolers• Clear coil surface of all debris that will inhibit airflow. • Check for bent or damaged coil f

Strany 33 - 24"

Maintenance11812.8 Compressor ReplacementReplacement compressors are available through your local Emerson office. Compressors are shipped in reusable

Strany 34

Maintenance11912.10 Paradenser—Water-Cooled CondenserDuring normal Paradenser operation, deposits will collect on inside wall of condenser tubes. It m

Strany 35

Liebert DS Components and Nomenclature31.0 LIEBERT DS COMPONENTS AND NOMENCLATUREFigure 1 Downflow model component locations1192416101268713131451510.

Strany 36

Maintenance120To lower the head pressure setting, turn the square adjusting screw clockwise until the high pressure gauge indicates the desired settin

Strany 37 - Supply air

Maintenance12112.11.3Drycooler SettingsApplications with the Optional Stat Setting require field piping to be insulated to prevent condensa-tion. Tabl

Strany 38

HVAC Maintenance Checklist12213.0 HVAC MAINTENANCE CHECKLISTFilters___ 1. Check/replace filters___ 2. Grille area unrestricted___ 3. Wipe section clea

Strany 39 - 26"

HVAC Maintenance Checklist123Condensate Pump___ 1. Check for debris in sump___ 2. Check operation of float(s) (free movement)Refrigeration Piping___ 1

Strany 40 - Top of Unit

HVAC Maintenance Checklist124Air-Cooled Condenser / Drycooler___ 1. Coil clean___ 2. Motor mounts tight___ 3. Bearings in good condition (motor)___ 4.

Strany 42

Ensuring The High AvailabilityOf Mission-Critical Data And Applications.Emerson Network Power, the global leader in enabling business-criticalcontinui

Strany 43 - DPN001196

Liebert DS Components and Nomenclature4Figure 2 Upflow model component locations1. iCom Control Display2. Electric Box3. Filters4. Evaporator Coil5. M

Strany 44

Liebert DS Components and Nomenclature5Figure 3 Liebert DS model number nomenclature1D2S3043557U6A8A9010311I12*13*14*15*Air DistributionDS = Downflow

Strany 45 - SAFETY INFORMATION

Cooling Configurations62.0 COOLING CONFIGURATIONSNOTEAll field-installed piping must comply with applicable local, state and federal codes.Air-CooledA

Strany 46 - Forklift

Pre-Installation Guidelines73.0 PRE-INSTALLATION GUIDELINES3.1 Room Preparation• Verify that the floor is level, solid and sufficient to support the u

Strany 47

Pre-Installation Guidelines83.3 Air Distribution—Upflow UnitsVarious configurations are available:• Front return• Rear return•Top-front supply• Top-re

Strany 48 - 5.2.3 Removing Piano Jacks

Pre-Installation Guidelines93.4 Connections and System Setup• Plan the routing of wiring, piping and ductwork to the unit. See Figure 55 and Figures 6

Strany 50

Liebert DS Dimensions and Weights104.0 LIEBERT DS DIMENSIONS AND WEIGHTSTable 1 Shipping dimensions—domestic and export, inches (mm)Model Number028/03

Strany 51 - DETAIL A

Liebert DS Dimensions and Weights11Figure 6 Cabinet and floor planning dimensions—downflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic compressor m

Strany 52 - 6.1 Required Equipment

Liebert DS Dimensions and Weights12Figure 7 Cabinet and floor planning dimensions—downflow, air-cooled, 28-42kW (8-12 ton), scroll compressor modelsTa

Strany 53

Liebert DS Dimensions and Weights13Figure 8 Cabinet and floor planning dimensions—downflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all compressor m

Strany 54

Liebert DS Dimensions and Weights14Figure 9 Cabinet and floor planning dimensions—downflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic compressor

Strany 55 - 6.3 Reassembly—Downflow Units

Liebert DS Dimensions and Weights15Figure 10 Cabinet and floor planning dimensions—downflow, air-cooled, 53-77kW (15-22 ton), scroll compressor models

Strany 56 - 6.4 Reassembly Checklist

Liebert DS Dimensions and Weights16Figure 11 Cabinet and floor planning dimensions—downflow, water/glycol/GLYCOOL, 53-77kW (15-22 ton), all compressor

Strany 57 - (1529mm)

Liebert DS Dimensions and Weights17Figure 12 Cabinet and floor planning dimensions—downflow, air-cooled, 105kW (30 ton), all compressor modelsTable 9

Strany 58

Liebert DS Dimensions and Weights18Figure 13 Cabinet and floor planning dimensions—downflow, water/glycol/GLYCOOL, 105kW (30 ton), all compressor mode

Strany 59

Liebert DS Dimensions and Weights19Figure 14 Cabinet and floor planning dimensions—upflow, air-cooled 28-42kW (8-12 ton), semi-hermetic compressor mod

Strany 60 - (1509mm)

iTABLE OF CONTENTSIMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1SAVE T

Strany 61 - 37"

Liebert DS Dimensions and Weights20Figure 15 Cabinet and floor planning dimensions—upflow, air-cooled 28-42kW (8-12 ton), scroll or digital scroll com

Strany 62

Liebert DS Dimensions and Weights21Figure 16 Cabinet and floor planning dimensions—upflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all compressor mo

Strany 63

Liebert DS Dimensions and Weights22Figure 17 Cabinet and floor planning dimensions—upflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic compressor m

Strany 64

Liebert DS Dimensions and Weights23Figure 18 Cabinet and floor planning dimensions—upflow, air-cooled, 53-77kW (15-22 ton), scroll or digital scroll c

Strany 65

Liebert DS Dimensions and Weights24Figure 19 Cabinet and floor planning dimensions—upflow, water/glycol/GLYCOOL, 53-77kW (15-22 ton), all compressor m

Strany 66 - 6.5 Disassembly—Upflow Units

Liebert DS Dimensions and Weights25Figure 20 Cabinet and floor planning dimensions—upflow, air-cooled, 105kW (30 ton), allTable 17 Weights—upflow, air

Strany 67

Liebert DS Dimensions and Weights26Figure 21 Cabinet and floor planning dimensions—upflow water/glycol/GLYCOOL 105kW (30 ton), all compressorsTable 18

Strany 68 - 6.7 Reassembly Checklist

Liebert DS Dimensions and Weights27Figure 22 Floor stand dimensions—downflow, 28-42kW (8-12 ton) modelsTable 19 Floor stand and floor planning dimensi

Strany 69 - 31-1/4"

Liebert DS Dimensions and Weights28Figure 23 Floor stand dimensions—downflow, 53-77kW (15-22 ton) modelsTable 20 Floor stand and floor planning dimens

Strany 70

Liebert DS Dimensions and Weights29Figure 24 Floor stand dimensions—downflow, 105kW (30 ton) modelsTable 21 Floor stand and floor planning dimensions—

Strany 71 - (1163mm)

ii7.0 ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .687.1 Electrical Field Conn

Strany 72

Liebert DS Dimensions and Weights30Figure 25 Blower outlet and deck dimensions—upflow, 28-42kW (8-12 ton)Table 22 Dimensions for upflow, 28-42kW (8-12

Strany 73

Liebert DS Dimensions and Weights31Figure 26 Blower outlet and deck dimensions—upflow, 53-77kW (15-22 ton)Table 23 Blower outlet and deck dimensions f

Strany 74

Liebert DS Dimensions and Weights32Figure 27 Blower outlet and deck dimensions—upflow 105kW (30ton)Table 24 Blower outlet and deck dimensions—upflow 1

Strany 75

Liebert DS Dimensions and Weights33Figure 28 Rear return filter box dimensionsTable 25 Rear return filter box dimensionsCompressor Type Dimensions, in

Strany 76

Liebert DS Dimensions and Weights34Figure 29 Upflow unit plenum dimensionsTable 26 Upflow unit plenum dimensionsPlenum Dimensions, in (mm) Grille Size

Strany 77

Equipment Inspection and Handling355.0 EQUIPMENT INSPECTION AND HANDLINGUpon arrival of the unit and before unpacking it, verify that the labeled equi

Strany 78 - 7.0 ELECTRICAL CONNECTIONS

Equipment Inspection and Handling36Figure 30 Equipment recommended for handling Liebert DSIf possible, transport the Liebert DS with a forklift or pal

Strany 79

Equipment Inspection and Handling375.2.1 Removing the Unit from the Skid With a Forklift1. Align a forklift with either the front or rear side of the

Strany 80 - Electrical Connections

Equipment Inspection and Handling385.2.2 Moving the Unit to the Installation Location with Piano Jacks1. With the Liebert DS elevated, place two piano

Strany 81

Equipment Inspection and Handling395.2.4 Removing Liebert DS from Skid Using Rigging1. Space the slings equidistant on either side of the center of gr

Strany 82 - 8.0 PIPING

iii12.5 Air-Cooled Condenser and Drycoolers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11712.6 Reheat—Electri

Strany 83 - INCORRECTINCORRECT

Equipment Inspection and Handling40Figure 35 Using rigging to lift Liebert DS off skidEqualDistanceEqualDistanceLiftingSlingLiftingSling 181659P1Rev.

Strany 84 - General Guidelines

Equipment Inspection and Handling415.3 Semi-Hermetic Compressor Spring Isolation SystemShipping blocks under all semi-hermetic compressors must be rem

Strany 85 - 8.2 Refrigeration Piping

Disassembling the Liebert DS for Transport426.0 DISASSEMBLING THE LIEBERT DS FOR TRANSPORTThe Liebert DS has a modular frame construction that allows

Strany 86

Disassembling the Liebert DS for Transport43NOTICEDo not lay the compressor section on its side. It must remain upright. The coil section also must re

Strany 87

Disassembling the Liebert DS for Transport4419. Cut the insulation and pull it back from the piping.20. Cut the refrigerant piping with a tubing cutte

Strany 88 - Fan Speed Control Piping

Disassembling the Liebert DS for Transport456.3 Reassembly—Downflow Units1. Replace the top section.Make sure to clear the Schrader valves on the coil

Strany 89 - Fan Speed Charging

Disassembling the Liebert DS for Transport466.4 Reassembly Checklist___ 1. Thread-cutting bolts reconnected and torqued to 225 in-lb. (25Nm)___ 2. Top

Strany 90 - Lee-Temp Piping

Disassembling the Liebert DS for Transport47Figure 37 Component dimensions—downflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic compressor modelsTa

Strany 91 - Lee-Temp Charging

Disassembling the Liebert DS for Transport48Figure 38 Component dimensions—downflow, air-cooled, 28-42kW (8-12 ton), scroll/digital scroll compressor

Strany 92 - 9.0 PIPING SCHEMATICS

Disassembling the Liebert DS for Transport49Figure 39 Component dimensions—downflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all compressor modelsTa

Strany 93

ivFIGURESFigure 1 Downflow model component locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Strany 94 - For systems with drycoolers

Disassembling the Liebert DS for Transport50Figure 40 Component dimensions—downflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic compressor modelsT

Strany 95 - HEAT REJECTION

Disassembling the Liebert DS for Transport51Figure 41 Component dimensions—downflow air-cooled, 53-77kW (15-22 ton), scroll/digital scroll compressor

Strany 96 - (and associated piping)

Disassembling the Liebert DS for Transport52Figure 42 Component dimensions—downflow water/glycol, GLYCOOL, 53-77kW (15-22 ton), all compressor modelsT

Strany 97

Disassembling the Liebert DS for Transport53Figure 43 Component dimensions—downflow, air-cooled, 105kW (30 ton), semi-hermetic compressor modelsTable

Strany 98

Disassembling the Liebert DS for Transport54Figure 44 Component dimensions—downflow, air-cooled, 105kW (30 ton), scroll compressor models Table 34 Com

Strany 99

Disassembling the Liebert DS for Transport55Figure 45 Component dimensions—downflow, water/glycol/GLYCOOL, 105kW (30 ton), all compressor modelsTable

Strany 100 - Piping Schematics

Disassembling the Liebert DS for Transport566.5 Disassembly—Upflow UnitsFor detailed views of upflow units, see Figures 46 through 54.1. Remove the un

Strany 101 - DPN000803

Disassembling the Liebert DS for Transport5719. Immediately cap off and seal all piping that has been cut, including the suction and liquid lines, th

Strany 102 - DPN000804

Disassembling the Liebert DS for Transport586.6 Reassembly—Upflow Unit1. Reattach the top section using thread-cutting bolts; there are four on each s

Strany 103 - DPN000900

Disassembling the Liebert DS for Transport59Figure 46 Component dimensions—upflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic compressor modelsTabl

Strany 104 - DPN000928

vFigure 37 Component dimensions—downflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic compressor models . . . . . . . . . . . . . . . . . . . . . .

Strany 105 - DPN000929

Disassembling the Liebert DS for Transport60Figure 47 Component dimensions—upflow, air-cooled, 28-42kW (8-12 ton), scroll/digital scroll compressor mo

Strany 106 - DPN000933

Disassembling the Liebert DS for Transport61Figure 48 Component dimensions—upflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all compressor modelsTabl

Strany 107 - DPN001014

Disassembling the Liebert DS for Transport62Figure 49 Component dimensions—upflow, air-cooled, 53-77kw (15-22 ton), semi-hermetic compressor modelsTab

Strany 108 - DPN001015

Disassembling the Liebert DS for Transport63Figure 50 Component dimensions—upflow, air-cooled, 53-77kw (15-22 ton), scroll/digital scroll compressor m

Strany 109 - 15-3/16"

Disassembling the Liebert DS for Transport64Figure 51 Component dimensions—upflow water/glycol/GLYCOOL 53-77kw (15-22 ton), all compressor modelsTable

Strany 110 - DPN001119

Disassembling the Liebert DS for Transport65Figure 52 Component dimensions—upflow, air-cooled, 105kW (30 ton), semi-hermetic compressor modelsTable 42

Strany 111 - 15-7/8"

Disassembling the Liebert DS for Transport66Figure 53 Component dimensions—upflow, air-cooled, 105kW (30 ton), scroll/digital scroll compressor models

Strany 112 - TOP VIEW OF UNIT

Disassembling the Liebert DS for Transport67Figure 54 Component dimensions—upflow, water/glycol/GLYCOOL, 105kW (30 ton), all compressor modelsTable 44

Strany 113 - Front Section View

Electrical Connections687.0 ELECTRICAL CONNECTIONSThree-phase electrical service is required for all models. Electrical service must conform to nation

Strany 114

Electrical Connections69Figure 55 Electrical field connections787576949596 97 91111277929380817337C38C37B38B37 38 24707172505155 56888382 898459588516

Strany 115 - FRONT SECTION VIEW OF UNIT

viFigure 70 Primary connection locations—downflow, air-Cooled, 53-77kW (15-22 ton) with scroll compressor models . . . . . . . . . . . . . . . . . .

Strany 116 - DPN001258

Electrical Connections707.1 Electrical Field Connection DescriptionsStandard Electrical Connections1. Primary high-voltage entrance—2-1/2" (64mm)

Strany 117 - 10.4 Other

Electrical Connections71Optional Low Voltage Terminal Package Connections20. Remote unit shutdown - Two additional contact pairs available for unit sh

Strany 118 - WARNING

Piping728.0 PIPINGAll fluid and refrigeration connections to the unit, with the exception of the condensate drain, are sweat copper. Factory-installed

Strany 119

Piping73Figure 56 Gravity drain for downflow and upflow unitsCondensate Pump• 1/2" copper sweat connection is provided on units with optional fac

Strany 120

Piping748.1.2 Humidifier Supply Water—Optional Infrared• 1/4" supply line; maximum water pressure is 150 psi (1034kPa) • Size humidifier supply l

Strany 121 - 12.0 MAINTENANCE

Piping75Leak Checking of Unit and Field PipingLiebert unit fluid systems are factory-checked for leaks and may be shipped with a nitrogen holding char

Strany 122 - 12.2 Blower Drive System

Piping768.2.1 Piping Guidelines—Air-Cooled Units• Indoor unit ships with a nitrogen holding charge; do not vent the evaporator until all refrigerant p

Strany 123 - 12.2.2 Belt Removal

Piping77Table 47 Line charges - refrigerant per 100 ft (30m) of Type “L” copper tubeO.D. Liquid Line, lb (kg)1/2" 7.3 (3.3)5/8" 11.7 (5.3)7

Strany 124 - Maintenance

Piping788.3 Dehydration/Leak Test and Charging Procedures for R-407C and R-228.3.1 Air-Cooled Condenser with Fan Speed Head Pressure Control SystemThe

Strany 125 - DPN000996

Piping79Fan Speed Charging1. Check unit nameplate for refrigerant type to be used. Unit control configurations differ depending on refrigerant type.2.

Strany 126 - 12.4.2 Condensate Pump

viiTABLESTable 1 Shipping dimensions—domestic and export, inches (mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Table 2 Shippin

Strany 127 - 12.7 Compressor

Piping808.3.2 Air-Cooled Condenser with Lee-Temp “Flooded Condenser” Head Pressure Control SystemThe Lee-Temp system consists of a modulating type hea

Strany 128 - 12.8 Compressor Replacement

Piping818. After four hours, check the pressure readings and, if they have not changed, break vacuum with dry nitrogen. Pull a second (R-407C and R-22

Strany 129 - 12.10.1 Cleaning Instructions

Piping Schematics829.0 PIPING SCHEMATICSFigure 57 Piping schematic—air-cooled, semi-hermetic compressor modelsCondenser Coil(Lee-Temp)Condenser Coil(F

Strany 130

Piping Schematics83Figure 58 Piping schematic—air-cooled, scroll compressor modelsLee-Temp ReceiverFan SpeedLee-TempServiceValveExternal EqualizerLiqu

Strany 131 - 12.11.3Drycooler Settings

Piping Schematics84Figure 59 Piping schematic—water/glycol, semi-hermetic compressor modelsCompressorMufflerServiceValveCylinderUnloader (s)Evaporator

Strany 132 - AINTENANCE CHECKLIST

Piping Schematics85Figure 60 Piping schematic—water/glycol with scroll compressor modelsCOMPRESSORCUSTOMERHEAT REJECTIONCOOLING TOWERAND PUMPSYSTEMBY

Strany 133 - HVAC Maintenance Checklist

Piping Schematics86Figure 61 Piping schematic—GLYCOOL semi-hermetic compressor modelsLIEBERTHEAT REJECTIONDRYCOOLER(Glycol)AquastatSensingBulbsHoseBib

Strany 134 - Glycol Pump

Piping Schematics87Figure 62 Piping schematic—GLYCOOL with scroll compressor models3-WayChilled GlycolValve3-WayChilled GlycolValveNOTE: Schematic rep

Strany 135

Piping Schematics88Figure 63 Piping schematic—water/glycol with digital scroll compressor modelsSensing BulbCUSTOMERHEAT REJECTIONLIEBERTHEAT REJECTIO

Strany 136 - SL-18825_REV07_05-08

Piping Schematics89Figure 64 GLYCOOL with digital scroll compressor modelsPARADENSER®CONDENSERLIEBERTHEAT REJECTIONLIEBERT DS UNIT(and associated pipi

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