Emerson Liebert CW Manual de usuario

Precision CoolingFor Business-Critical Continuity™Liebert® CW™User Manual–26-400 kW, Upflow and Downflow, 50/60Hz

Liebert® CW™2NOTICERisk of clogged or leaking drain lines. Can cause equipment and building damage.This unit requires a water drain connection. Drain

Piping SchematicsLiebert® CW™92Figure 81 Primary connection locations, downflow models CW146 and CW181 with EC fansPoint DescriptionXIn. (mm)YIn. (mm)

Piping Schematics93 Liebert® CW™Figure 82 Primary connection locations, downflow units, model CW300 and CW400 with EC fansPoint Description X, In. (mm

Piping SchematicsLiebert® CW™94Figure 83 Piping connections, downflow models CW026 - CW084 with centrifugal fansModelsA(OD Cu)B(OD Cu)C(NPT Male)D(OD

Piping Schematics95 Liebert® CW™Figure 84 Piping connections for downflow models CW106 and CW114 with centrifugal fansModelNumbersPiping Connection Si

Piping SchematicsLiebert® CW™96Figure 85 Upflow general arrangementChilledWaterSupplyChilledWater SupplyChilledWaterReturnChilledWaterReturnShutoff *V

Piping Schematics97 Liebert® CW™Figure 86 Piping connections for upflow models CW026 - CW084ModelsFactory-Provided Piping Connection Sizes, inchesA, O

Piping SchematicsLiebert® CW™98Figure 87 Piping connections for upflow models CW106 and CW114Piping stubbed out inside unit endcompartment for field-c

Checklist for Completed Installation99 Liebert® CW™9.0 CHECKLIST FOR COMPLETED INSTALLATION9.1 Moving and Placing Equipment___ 1. Unpack and check rec

Initial Startup Checks and Commissioning Procedure for Warranty InspectionLiebert® CW™10010.0 INITIAL STARTUP CHECKS AND COMMISSIONING PROCEDURE FOR W

Initial Startup Checks and Commissioning Procedure for Warranty Inspection101 Liebert® CW™10.2.1 Inspect and RecordMain Fan hp: ______________________

Liebert CW Nomenclature3Liebert® CW™1.0 LIEBERT CW NOMENCLATURECWCW = Liebert CW Floor Mount Chilled WaterUnit026 D C S A 2 1234 ANominal Capacity, kW

TroubleshootingLiebert® CW™10211.0 TROUBLESHOOTINGNOTICERisk of improper control circuits. Can cause equipment damage. When using jumpers for troubles

Troubleshooting103 Liebert® CW™Table 11 Humidifier—steam generator troubleshootingSymptom Possible Cause Check or RemedyFalse canister full indication

TroubleshootingLiebert® CW™104Excessive arcing in the canisterDrain valve clogged or defectiveVerify that drain valve operates freely when activated.

Maintenance105 Liebert® CW™12.0 MAINTENANCEFor assistance, contact Emerson Network Power Liebert Services at 1-800-LIEBERT.12.1 System Testing12.1.1 E

MaintenanceLiebert® CW™106FirestatThe optional firestat is a bimetal operated sensing device with a Normally Closed switch. This device will shut down

Maintenance107 Liebert® CW™12.3 Blower Package—Centrifugal FansPeriodic checks of the blower package include: belt, motor mounts, fan bearings and imp

MaintenanceLiebert® CW™10812.4.2 Protective FeaturesMonitoring functions protect the motor against overtemperature of electronics, overtemperature of

Maintenance109 Liebert® CW™12.5.2 Cleaning Humidifier Pan and Float SwitchBefore turning off unit:1. With the unit operating, remove call for humidifi

MaintenanceLiebert® CW™11012.5.3 Changing Humidifier Lamps1. Remove the humidifier pan (see 12.5.2 - Cleaning Humidifier Pan and Float Switch, Steps 1

Maintenance111 Liebert® CW™Operation1. During startup, when the humidity control calls for humidification, the fill valve opens and allows water to en

Pre-Installation GuidelinesLiebert® CW™42.0 PRE-INSTALLATION GUIDELINES2.1 Room Preparation• Verify that the floor is level, solid and sufficient to s

MaintenanceLiebert® CW™112Replacing the CanisterSee Step 5 of Operation in 12.6 - Steam Generating Humidifier for indications that a canister may need

Maintenance113 Liebert® CW™13. Replace the canister by reversing the above procedure. Make special note of the following:Fault DescriptionsOvercurrent

MaintenanceLiebert® CW™114Circuit Board AdjustmentsHumidifier operation is governed by the humidifier control board. This board is located in the lowe

Maintenance115 Liebert® CW™Figure 92 Steam generating humidifier control boardTable 17 DIP switch settings for steam generating humidifierUnit RatedVo

MaintenanceLiebert® CW™11612.7 Condensate Drain and Condensate Pump Systems12.7.1 Condensate DrainCheck and clear obstructions in tubing during routin

Maintenance117 Liebert® CW™12.9 HVAC Maintenance ChecklistFilters___ 1. Check/replace filters___ 2. Grille area unrestricted___ 3. Wipe section clean_

MaintenanceLiebert® CW™118Drain Piping___ 1. Check for free running drain system___ 2. Clear out obstructions and material buildup on tubing walls___

Installing Liebert CW300 and Liebert CW400119 Liebert® CW™APPENDIX A-INSTALLING LIEBERT CW300 AND LIEBERT CW400Liebert CW300 and Liebert CW400 models

Installing Liebert CW300 and Liebert CW400Liebert® CW™120A.1 EQUIPMENT INSPECTION AND HANDLINGThe Liebert CW300 and Liebert CW400 front and rear modul

Installing Liebert CW300 and Liebert CW400121 Liebert® CW™Figure 93 Rear floor stand and rear unit mounted on floor stand9. If unit application calls

Pre-Installation Guidelines5Liebert® CW™Figure 1 Downflow unit ducting and plenum ductingProvided ServiceAccess Door forfilter replacementOptionalLieb

Installing Liebert CW300 and Liebert CW400Liebert® CW™122Figure 95 Floor stand bolt locations11. Remove the front module panels and field service plat

Installing Liebert CW300 and Liebert CW400123 Liebert® CW™14. 6.Lower the front module EC fans as detailed in 5.1 - Lowering and Removing EC Fans—Down

Installing Liebert CW300 and Liebert CW400Liebert® CW™124Figure 98 Wire harness routing pointWire Harness Routing PointJunction Box

Installing Liebert CW300 and Liebert CW400125 Liebert® CW™Figure 99 Wire harness junction box detail17. Route the wire harness from the valve actuator

Installing Liebert CW300 and Liebert CW400Liebert® CW™126Notes

COMPLIANCE WITH EUROPEAN UNION DIRECTIVESIl Produttore dichiara che, se munito di marchio CE, il prodotto è conforme alle direttive dell'Unione e

Ensuring The High AvailabilityOf Mission-Critical Data And Applications.Emerson Network Power, a business of Emerson (NYSE:EMR),is the global leader i

Pre-Installation GuidelinesLiebert® CW™62.5 Air Distribution—Upflow UnitsVarious configurations are available:• Front return• Rear return• Bottom retu

Pre-Installation Guidelines7Liebert® CW™Figure 3 Plenum ducting arrangement—Upflow models with EC fans2.6 Connections and System Setup• Plan the routi

Liebert CW Dimensions and WeightsLiebert® CW™83.0 LIEBERT CW DIMENSIONS AND WEIGHTSTable 1 Shipping dimensionsModelDomestic Packedin. (mm)Export Packe

Liebert CW Dimensions and Weights9Liebert® CW™3.1 Dimensions—Downflow Models with EC FansFigure 4 Cabinet and floor planning dimensions, downflow mode

Liebert CW Dimensions and WeightsLiebert® CW™10Figure 5 Cabinet and floor planning dimensions, CW026, CW038 and CW041, downflow with EC fans, front di

Liebert CW Dimensions and Weights11 Liebert® CW™Figure 6 Cabinet and floor planning dimensions, CW051, CW060, CW076 and CW084, downflow with EC fans,

Liebert CW Dimensions and WeightsLiebert® CW™12Figure 7 Cabinet and floor planning dimensions, downflow models CW106 and CW114 with EC fansModelDimens

Liebert CW Dimensions and Weights13 Liebert® CW™Figure 8 Cabinet and floor planning dimensions for downflow models CW089, CW106 and CW114 with EC fans

Liebert CW Dimensions and WeightsLiebert® CW™14Figure 9 Cabinet and floor planning dimensions, CW146 - CW181, downflow with EC fans, front dischargeA1

Liebert CW Dimensions and Weights15 Liebert® CW™Figure 10 Cabinet and floor planning dimensions for downflow models CW146 and CW181 with EC fansModelW

Liebert CW Dimensions and WeightsLiebert® CW™16Figure 11 Dimensions and floor planning data downflow models CW300, CW400 with EC fans and filter plenu

Liebert CW Dimensions and Weights17 Liebert® CW™3.2 Dimensions—Upflow Models with EC FansFigure 12 Cabinet and floor planning dimensions, upflow model

Liebert CW Dimensions and WeightsLiebert® CW™18Figure 13 Cabinet and floor planning dimensions, upflow models CW026 - CW084 with EC fans, bottom air r

Liebert CW Dimensions and Weights19 Liebert® CW™Figure 14 Cabinet and floor planning dimensions, upflow models CW106, CW114 with EC fans, front return

Liebert CW Dimensions and WeightsLiebert® CW™20Figure 15 Cabinet and floor planning dimensions, upflow models CW106, CW114 with EC fans, rear returnMo

Liebert CW Dimensions and Weights21 Liebert® CW™3.3 Dimensions—Downflow Models With Centrifugal FansFigure 16 Cabinet and floor planning dimensions, d

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

Liebert CW Dimensions and WeightsLiebert® CW™223.4 Dimensions—Upflow Models With Centrifugal FansFigure 17 Cabinet and floor planning dimensions, upfl

Liebert CW Dimensions and Weights23 Liebert® CW™Figure 18 Cabinet and floor planning dimensions upflow models, CW106 and CW114 with centrifugal fansMo

Liebert CW Dimensions and WeightsLiebert® CW™243.5 Floor Stand DimensionsFigure 19 Floor stand and floor planning dimensions, downflow models CW026 -

Liebert CW Dimensions and Weights25 Liebert® CW™Figure 20 Floor stand and floor planning dimensions, downflow models CW076 and CW084 with EC fansDimen

Liebert CW Dimensions and WeightsLiebert® CW™26Figure 21 Floor stand and floor planning dimensions, downflow models CW089, CW106 and CW114 with EC fan

Liebert CW Dimensions and Weights27 Liebert® CW™Figure 22 Floor stand and floor planning dimensions, downflow models CW146 and CW181 with EC fansNOTE:

Liebert CW Dimensions and WeightsLiebert® CW™28Figure 23 Floor stand and floor planning dimensions—Downflow CW300 AND CW400 with EC fansADetail ANOTE:

Liebert CW Dimensions and Weights29 Liebert® CW™Figure 24 Floor stand dimensions, optional steam, hot water reheat and humidifier piping entrances for

Liebert CW Dimensions and WeightsLiebert® CW™30Figure 25 Floor stand dimensions for downflow models CW106 and CW114 with centrifugal fansModelDimensio

Liebert CW Dimensions and Weights31 Liebert® CW™3.6 Plenum DimensionsFigure 26 Plenum dimension, CW026 - CW084 upflow plenums with EC fansModelPlenum

ii7.0 PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .817.1 Fluid

Liebert CW Dimensions and WeightsLiebert® CW™32Figure 27 Plenum dimensions for upflow models CW026 - CW084 with centrifugal fansModelPlenum Dimensions

Liebert CW Dimensions and Weights33 Liebert® CW™Figure 28 Plenum dimensions for upflow models CW106 and CW114 with centrifugal fansModelPlenum Dimensi

Liebert CW Dimensions and WeightsLiebert® CW™34Figure 29 Plenum dimensions CW106, CW114 upflow plenums with EC fansModelPlenum Dimensions, in. (mm) Gr

Liebert CW Dimensions and Weights35 Liebert® CW™Figure 30 Filter plenum dimensions, downflow models CW146 and CW181 with EC fans24"(610mm)CW146 o

Equipment Inspection and HandlingLiebert® CW™364.0 EQUIPMENT INSPECTION AND HANDLINGUpon arrival of the unit and before unpacking it, verify that the

Equipment Inspection and Handling37 Liebert® CW™Figure 31 Equipment recommended for handling the Liebert CWIf possible, transport the Liebert CW with

Equipment Inspection and HandlingLiebert® CW™384.2.1 Removing the Unit from the Skid With a Forklift1. Align a forklift with either the front or rear

Equipment Inspection and Handling39 Liebert® CW™4.2.2 Moving the Unit to the Installation Location with Piano Jacks1. With the Liebert CW elevated, po

Equipment Inspection and HandlingLiebert® CW™404.2.4 Removing Liebert CW from Skid Using Rigging1. Locate the center of gravity indicator—the center o

Equipment Inspection and Handling41 Liebert® CW™Figure 36 Using rigging to lift Liebert CW off skid—Models CW026-CW181196713Rev. 0

iii12.9 HVAC Maintenance Checklist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117APPENDIX A- INST

EC FansLiebert® CW™425.0 EC FANS5.1 Lowering and Removing EC Fans—Downflow Units OnlyLiebert CW downflow models can be equipped with EC fans that can

EC Fans43 Liebert® CW™Figure 37 EC fan lowering procedure2113554ADETAIL AJack LocationTABS33B BDPN002037Page 1, Rev. 5"Z" Bracket"Z&quo

EC FansLiebert® CW™445.1.2 EC Fan Block-Off Panel Kit—OptionalThe EC Fan Block-Off Panel Kit eliminates bypass airflow when EC fan are operated in the

EC Fans45 Liebert® CW™If the fan to be removed has been lowered into the floor stand, first raise the fan; if the fans are already in the raised posit

EC FansLiebert® CW™46Figure 39 EC fan lowering and removal procedure2366758See Steps 1 and 2See Steps 4 - 7See Step 3See Step 8

EC Fans47 Liebert® CW™5.2 Installing Upflow EC Fan PlenumsLiebert CW upflow models CW026 to CW114 may be ordered with optional EC fans instead of upfl

EC FansLiebert® CW™485.2.1 Liebert CW Upflow Plenum Assembly PartsRefer to Figures 40 through 48. Not all parts are used for all models.)Table 4 Liebe

EC Fans49 Liebert® CW™Figure 40 Non-grilled plenum—122" (3099mm) unit lengthFigure 41 Grilled plenum, front discharge—122" (3099mm) unit len

EC FansLiebert® CW™50Figure 42 Grilled plenum, rear discharge—122" (3099mm) unit lengthFigure 43 Non-grilled plenum—99" (2515mm) unit length

EC Fans51 Liebert® CW™Figure 44 Grilled plenum, front discharge—99" (2515mm) unit lengthFigure 45 Grilled plenum, rear discharge—99" (2515mm

ivFigure 27 Plenum dimensions for upflow models CW026 - CW084 with centrifugal fans . . . . . . . . . . . . . . 32Figure 28 Plenum dimensions for up

EC FansLiebert® CW™52Figure 46 Non-grilled plenum—50", 74" (1270mm, 1880mm) unit lengthFigure 47 Grilled plenum, front discharge—50", 7

EC Fans53 Liebert® CW™Figure 48 Grilled plenum, rear discharge—50", 74" (1270mm, 1880mm) unit lengthFigure 49 EC fan assembly5.2.2 Upflow Pl

EC FansLiebert® CW™54Figure 50 Recommended tools for installing the upflow plenum and EC fanFor Steps 1 through 3, refer to Figure 40 (for non-grilled

EC Fans55 Liebert® CW™Figure 51 Non-grilled plenum / Grilled plenum-front dischargeFigure 52 Grilled plenum-rear dischargeFor Steps 6 through 8, refer

EC FansLiebert® CW™56Figure 53 Plenum placement on top of Liebert CW unitFor Steps 9 through 11, refer to Figure 54.9. Place the EC fan assembly onto

EC Fans57 Liebert® CW™Figure 54 EC fan assembly alignment for placement on top of Liebert CW unitFor Steps 12 through 14, refer to Figure 56; items fr

EC FansLiebert® CW™58Figure 55 EC fan assembly placement and attachment on top of Liebert CW unitFor Steps 16 through 22, refer to Figure 56.16. Route

EC Fans59 Liebert® CW™Figure 56 EC fan wire routingNOTICERisk of pinched wiring. Can cause short circuit and/or loss of power to fans.Make sure all co

EC FansLiebert® CW™60Figure 57 Junction box connection (fan 1 and 2 for units with 2 or 3 fans)123123SHLDBKRORBLBLORRBKSHLD123123NOTE: The wire termin

EC Fans61 Liebert® CW™Figure 58 Junction box connection (Fan 3 for units with three fans / Fan 1 for single-fan units)For Steps 23 through 27, refer t

vFigure 77 Primary connection locations, downflow models CW026 - CW041 with EC fans . . . . . . . . . . . . . 88Figure 78 Primary connection location

EC FansLiebert® CW™62Figure 59 Front frame members for non-grilled and grilled rear-discharge plenum28. Attach Item 3 (front grilled panel) and Item 5

EC Fans63 Liebert® CW™Figure 60 Grilled front-discharge plenum grille attachmentFigure 61 Non-grilled and grilled rear-discharge plenum front panel at

EC FansLiebert® CW™64Figure 62 Grilled plenum front / rear-discharge top panel attachment23161723KEY TO COMPONENTS17 - Top Panel (plain)23 - Sheet Met

Electrical Connections65 Liebert® CW™6.0 ELECTRICAL CONNECTIONS6.1 Electrical ConnectionsThree-phase electrical service is required for all models. El

Electrical ConnectionsLiebert® CW™66Figure 63 Electrical field connections for downflow models CW026 - CW08423Earth ground connection (60Hz).Connectio

Electrical Connections67 Liebert® CW™Figure 64 Electrical field connections (Ethernet) for downflow models CW026 - CW084P6433Coil Support Frame1. When

Electrical ConnectionsLiebert® CW™68Figure 65 Electrical field connections for downflow models CW089, CW106 and CW114MonitoringPanelFactory-installed

Electrical Connections69 Liebert® CW™Figure 66 Electrical field connections (Ethernet) for downflow models CW089, CW106 and CW114 33P64Coil Support Fr

Electrical ConnectionsLiebert® CW™70Figure 67 Electrical field connections (high voltage) for upflow models CW026 - CW08423Field-supplied disconnect s

Electrical Connections71 Liebert® CW™Figure 68 Electrical field connections (low voltage) for upflow models CW026 - CW084 3738245091929351555675769495

vi

Electrical ConnectionsLiebert® CW™72Figure 69 Electrical field connections (Ethernet) for upflow models CW026 - CW084 Coil Support Frame333P641. When

Electrical Connections73 Liebert® CW™Figure 70 Electrical field connections (Ethernet) for upflow models CW106 and CW114Coil Support Frame333P641. Whe

Electrical ConnectionsLiebert® CW™74Figure 71 Electrical field connections (low voltage) for upflow models CW106 and CW114Monitoring panelDisconnectSw

Electrical Connections75 Liebert® CW™Figure 72 Electrical field connections (low voltage Ethernet) upflow models CW106 and CW11433 P641. When large di

Electrical ConnectionsLiebert® CW™76Figure 73 Electrical field connections for downflow models CW146 and CW181 with EC fansStandard Electrical Connect

Electrical Connections77 Liebert® CW™Optional Electrical Connections for Downflow Models CW146 and CW181Refer to Figure 73. Source: DPN001699, Rev. 4.

Electrical ConnectionsLiebert® CW™78individual connected loads, but a guideline for total building or plant. Many apply the voltage distortion criteri

Electrical Connections79 Liebert® CW™Table 8 shows the Total Current Distortion level as measured on a single CW181 unit and is typical of what can be

Electrical ConnectionsLiebert® CW™80Optional Low-Voltage Terminal Package Connections for Downflow Models CW146 and CW181Refer to Figure 73.20. Remote

Piping81 Liebert® CW™7.0 PIPINGAll fluid connections to the unit, with the exceptions of the condensate drain and live steam, are sweat copper. Factor

1Liebert® CW™IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSThis manual contains important safety instructions that should be followed during the

PipingLiebert® CW™82Figure 74 Gravity drain for downflow and upflow unitsCORRECTINCORRECTCORRECTDOWNFLOW CW UNIT UPFLOW CW UNITUNITINTERNALDRAINEXTERN

Piping83 Liebert® CW™Condensate Pump• 1/2" copper sweat connection is provided on units with optional factory-installed condensate pump• Condensa

PipingLiebert® CW™847.2 Chilled Water Piping7.2.1 Requirements of Systems Using Water or GlycolThese guidelines apply to the field leak checking and f

Piping85 Liebert® CW™NOTICERisk of corrosion. Can cause equipment damage.Read and follow individual unit installation instructions for precautions reg

Piping SchematicsLiebert® CW™868.0 PIPING SCHEMATICSFigure 75 Downflow general arrangement, CW026-CW114*Components are not supplied by Emerson but ar

Piping Schematics87 Liebert® CW™Figure 76 Downflow general arrangement, CW181-CW146AABB*Components are not supplied by Emerson but are recommended fo

Piping SchematicsLiebert® CW™88Figure 77 Primary connection locations, downflow models CW026 - CW041 with EC fansPoint Description X, in (mm) Y, in (m

Piping Schematics89 Liebert® CW™Figure 78 Primary connection locations, downflow models CW051 and CW060 with EC fansPoint Description X, in (mm) Y, in

Piping SchematicsLiebert® CW™90Figure 79 Primary connection locations, downflow models CW076 - CW084 with EC fansPoint Description X, in (mm) Y, in (

Piping Schematics91 Liebert® CW™Figure 80 Primary connection locations, downflow models CW089, CW106 and CW114 with EC fansPoint Description X, in.