Emerson Liebert ICOM-DO Manuel d'utilisateur

Precision CoolingFor Business-Critical Continuity™Liebert® iCOM®User Manual - Intelligent Communications & Monitoring for Liebert Challenger 3000™

Liebert iCOM Display Components and Functions4Figure 3 Status menu, large display, graphical viewFigure 4 Liebert iCOM default screen symbolsUNIT 111/

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

Liebert iCOM Display Components and Functions52.1 Navigating Through the Liebert iCOM MenusLiebert iCOM shows icons and text for monitoring and contro

Liebert iCOM Display Components and Functions6Accessing Submenus on Small DisplaysWhile viewing the menu you wish to access (User, Service or Advanced

Liebert iCOM Display Components and Functions7Figure 6 Entering a passwordFigure 7 Menu tree—Large display, stand-aloneSETPOINTSto change parameterto

Liebert iCOM Display Components and Functions82.1.4 Viewing Multiple Units with a Networked Large DisplayWhen you first wake up the control, press the

Liebert iCOM Display Components and Functions9Figure 9 User menu iconsTable 2 User menu iconsIcon NameDescriptionAvailable On DisplaySetpointsView and

Liebert iCOM Display Components and Functions10Figure 10 Service menu iconsSleep ModeAllows setback settings for non-peak operationSmall & LargeSe

Liebert iCOM Display Components and Functions11Sensor Calibration/SetupAllows calibration of sensors Small & largeSystem/Network SetupAllows setup

Operation123.0 OPERATIONThe Liebert iCOM display provides viewing, trending and configuration capability for Liebert cooling units. All unit settings

Operation13AutorestartWhen there is a loss of power to the cooling unit and power comes back, the unit will return to its pre-vious operating status—o

Operation14Chilled Water Units with Variable Fan Speed—EC or Variable Frequency DrivesVSD Fan Speed parameter can be found in the Service Menu / Setpo

Operation153.1.2 General Compressor RequirementsLow-Pressure Time DelayWhen the compressor starts, the low-pressure input is ignored for a selected pe

Operation16Digital Scroll High TemperatureA protective maximum operating compressor temperature limit is imposed on units with digital scroll compress

Operation17 When Auto BV Control is selected, the motorized ball valve functions as it would be during normal system operation.When Manual BV Control

Operation183.2 Temperature Control—Single Source Cooling (No Extra Cooling Coil)3.2.1 Temperature Proportional Band The control uses the temperature p

Operation193.2.2 Compressor ControlDepending on its type, a Liebert Precision Cooling unit may have one or two compressors with or without unloaders o

Operation20Two Compressors With Unloaders—Four-StepThe first two-step compressor is started unloaded at 33% calculated output from the temperature pro

Operation21On single and dual digital scroll compressor systems, the first compressor is started at 25% calculated output from the temperature proport

Operation223.2.3 Chilled Water ControlThe chilled water control valve is adjusted proportionally as the temperature control varies the requirement for

Operation23Chilled water units that contain a motorized ball valve(s) are connected to the control by an analog output. The analog output is driven pr

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

Operation24Figure 20 Second cooling source and two-step compressorized coolingMinimum Chilled Water Temperature—This feature permits the user to selec

Operation253.4 Temperature Control—ReheatIf the room air temperature becomes too cold, the control will call for heating. Heating mode is con-trolled

Operation26capacity is provided at 0% calculated output from the Temperature Proportional Band. As the call for cooling increases from 0% to 100%, the

Operation27Figure 23 Two single-step compressors with SCR reheat set to Standard mode3.5 Humidity ControlThe control uses the humidity proportional ba

Operation28When the return air humidity reaches the end of the proportional band, either 100% or -100%, full dehumidification or full humidification c

Operation293.5.2 DehumidificationThe Dehumidification Enable parameter (Service Menu, Options Setup) allows for enabling/disabling the dehumidificatio

Operation30Reheat During DehumidificationHot gas reheat or hot water reheat will start as described in 3.4 - Temperature Control—Reheat, when the temp

Operation31is programmed into the control. These rules simulate the actions that a human operator would take if manually controlling the system. This

Operation32Figure 25 Placing temperature and temperature/humidity sensorsTemperature Sensor5 to 15feet(1.5 to 4.5m)Internal Temperature and Humidity

Operation333.7 Supply Control3.7.1 Supply AirThe Supply Air sensor can be used to control, limit or reference the discharge air temperature of the coo

ii4.0 TEAMWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .414.1 Teamwork Mo

Operation343.8 Event Types and PropertiesLiebert iCOM events are used to inform the user of cooling unit operational status. All events are recorded i

Operation35Table 7 Possible event settings—some events not available in all unitsEventInternal Delay(Before Action Occurs)Default Delay / Selectable(B

Operation363.8.1 High- and Low-Temperature and Humidity EventsHigh- and low-temperature and humidity alarms can be set for both the internal and optio

Operation373.8.3 Liebert iCOM-DOThe Liebert iCOM-DO is an optional discrete output relay card that can be connected to the Liebert iCOM controls that

Operation383.8.4 Possible Event NotificationsTable 10 lists examples of alarms and warnings that can be configured for a cooling unit. When any of the

Operation393.9.1 Calculation of Next Maintenance and DiagnosticsIf the unit includes any of the following components, they are included in the calcula

Operation40Fans / Heaters / Humidifier Settings and Diagnostics• Number of starts and Working hours are counted separately since the last maintenance.

Teamwork414.0 TEAMWORKUnit-2-Unit (U2U) communications via a private network will allow the following functions to be placed into operation when the r

Teamwork42The number of available units is calculated like:• In non-standby configuration: all units with fan on• In typical standby function (no casc

Teamwork434.1.4 Teamwork Mode 2Teamwork Mode 2 is designed to prevent units within a group from working against each other or “fighting.” It is best a

iiiFigure 27 Standby unit layout example—10 Precision Cooling units in room. . . . . . . . . . . . . . . . . . . . . . . . 44Figure 28 Connecting two

Installing a Liebert iCOM Unit-to-Unit Network445.0 INSTALLING A LIEBERT ICOM UNIT-TO-UNIT NETWORKConnecting multiple Liebert iCOM-controlled cooling

Installing a Liebert iCOM Unit-to-Unit Network455.2 U2U Hardware: Cables and Network SwitchPlan wiring runs for U2U communication when designing the l

Installing a Liebert iCOM Unit-to-Unit Network465.3 Wiring for Unit-to-Unit Communications—U2UCooling units come from the factory-wired for stand-alon

Installing a Liebert iCOM Unit-to-Unit Network47Large DisplaysA network switch is required to enable Ethernet communication on one or more cooling uni

Installing a Liebert iCOM Unit-to-Unit Network48Wall-Mount Large DisplayOnly large displays can be used for remotely monitoring and controlling coolin

Installing a Liebert iCOM Unit-to-Unit Network49Figure 31 Wiring a small display for U2U network operationStandard SmallGraphics Display(Rear View)Lie

Installing a Liebert iCOM Unit-to-Unit Network50Figure 32 Wiring a large display for U2U network operationLiebert vNSAThe Liebert vNSA is designed to

Installing a Liebert iCOM Unit-to-Unit Network51Figure 33 Liebert vNSA with optional remote large displayTable 12 Ports available for connecting Liebe

External Communications—Building Management Systems, Liebert SiteScan®526.0 EXTERNAL COMMUNICATIONS—BUILDING MANAGEMENT SYSTEMS, LIEBERT SITESCAN®Lieb

User Menu Parameters537.0 USER MENU PARAMETERSUser menus report general cooling unit operations and status. The user menu password is 1490.The User me

ivFigure 77 Sensor calibration / setup parameters - Page 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86Figure 78

User Menu Parameters54Spare Part ListSpare Parts—The spare parts lists contains a detailed description and part number that can be used to order parts

User Menu Parameters55Low Temperature Sensor A—This parameter is visible when the sensor A alarm is enabled. When enabled the low temperature alarm al

User Menu Parameters56Figure 37 Sensor data screenOptional Sensor A1—When a optional reference sensor is connected to the Liebert iCOM controller area

User Menu Parameters57Figure 38 Sensor data screen - Page 2 (return only)Daily High Temperature—The daily high temperature is the highest recorded tem

User Menu Parameters58Figure 39 Display setup parameters screenLanguage—This parameter sets the language on the display. When this parameter is change

User Menu Parameters59Figure 40 Total run hours parameters screenFigure 41 Sleep mode parameters screenTOTAL RUN HOURSto change parameterto confirmto

Service Menu Parameters608.0 SERVICE MENU PARAMETERSService menus allow customized settings for site operations. The password for service menu parame-

Service Menu Parameters61Figure 43 Setpoints parameters screen - Page 1Temperature Setpoint—This parameter selects a temperature that the cooling unit

Service Menu Parameters62Figure 44 Setpoints parameters screen - Page 2Humidity Setpoint—This parameter allows the user to select a humidity that the

Service Menu Parameters63Figure 45 Setpoints parameters screen - Page 3Supply Sensor—This parameter selects how the supply sensor will be used by the

Introduction11.0 INTRODUCTIONThe Liebert iCOM® control offers the highest capabilities in unit control, communication and moni-toring of Liebert missi

Service Menu Parameters64Figure 46 Setpoints parameters screen - Page 4DT between Room / Outdoor Type—This feature is only used on HPM products.DT bet

Service Menu Parameters65Figure 47 Setpoints parameters screen - Page 5VSD Fanspeed—This parameter sets the control type for a variable fanspeed devic

Service Menu Parameters66Figure 48 Setpoints parameters screen - Page 6SCR Control Type—This parameter sets the control type for the SCR re-heats. If

Service Menu Parameters67Figure 49 Standby settings / lead-lag parameters screenNumber of Standby Units—This parameter selects the number of units tha

Service Menu Parameters68Figure 50 Wellness basic settings screen- Page 1Maximum Frequency Per year—This parameter sets the number of expected mainten

Service Menu Parameters69Figure 51 Wellness motor settings parameters screen - Page 2 Figure 52 Wellness compressor 1 settings parameters screen - Pag

Service Menu Parameters70Figure 53 Wellness compressor 1 settings parameters - Page 4Figure 54 Wellness electric heater 1 settings parameters screen -

Service Menu Parameters71Figure 55 Wellness electric heater 2 settings parameters screen - Page 6Figure 56 Wellness electric heater 3 settings paramet

Service Menu Parameters72Figure 57 Wellness humidifier settings parameters screen - Page 8WELLNESS humidifier settings (page 8 of 8)to change paramete

Service Menu Parameters73Figure 58 Diagnostics / service mode parameters screen - Page 1HP 1 Alarm Code—Compressor 1 high pressure alarm code.HP 2 Ala

Liebert iCOM Display Components and Functions22.0 LIEBERT ICOM DISPLAY COMPONENTS AND FUNCTIONSThe small and the large display have a common key layou

Service Menu Parameters74Figure 59 Diagnostics / service mode parameters screen - Page 2Manual Mode—Use this setting to place the Liebert iCOM control

Service Menu Parameters75Figure 60 Diagnostics / service mode parameters screen - Page 3Electric Heat 1 (or HG/HW)—This will activate stage 1 of the u

Service Menu Parameters76Figure 61 Diagnostics / service mode parameters screen - Page 4Alarm Relay—This allows the user to activate the Liebert iCOM

Service Menu Parameters77Figure 62 Diagnostics / service mode parameters screen - Page 5Status Remote Shutdown—This show the status of the unit’s remo

Service Menu Parameters78Figure 63 Diagnostics / service mode parameters screen - Page 6Status HP1—This shows the status of the unit’s compressor 1 hi

Service Menu Parameters79Status DT3 (Room/Setpoint)—This indicates if the delta T between room return air temperature and unit air temperature setpoin

Service Menu Parameters80Figure 66 Set alarms parameters screen - Page 2Customer Input 1, 2, 3 & 4—These parameters select the device and operatio

Service Menu Parameters81Type—This selection sets the type of action for each event listed. There are 3 different types of events (Alarm, Warning and

Service Menu Parameters82Figure 70 Set alarms parameters screen - Page 6Figure 71 Set alarms parameters screen - Page 7SET ALARMS (page 6 of 7)PASSWOR

Service Menu Parameters83Figure 72 iCOM-DO Overview and Override - Page 1Liebert iCOM-DO—This parameter shows the connection status of a Liebert iCOM-

Liebert iCOM Display Components and Functions3Table 1 Keyboard icons and functionsIcon Key Name FunctionOn/Off Key Controls the operational state of t

Service Menu Parameters84Figure 74 iCOM-DO Events Setup - Page 3Figure 75 Sensor calibration / setup parameters - Page 1Return Temperature—This parame

Service Menu Parameters85Digital Scroll 2 NTC—This parameter adjusts the digital scroll 1 NTC reading from the actual sen-sor to compensate for any er

Service Menu Parameters86Figure 77 Sensor calibration / setup parameters - Page 3Freecool Sensor PTC or NTC—This parameter currently only supports the

Service Menu Parameters87Configuration Safe—This parameter saves or loads configuration settings for the display that have been modified from the fact

Service Menu Parameters88Figure 80 System/Network setup parameters Unit- Page 1Monitoring Address—This parameter sets the address used by the Liebert

Service Menu Parameters89Figure 81 System/Network setup parametersUnit - Page 2Monitoring Protocol—This parameter selects the monitoring protocol. Vel

Service Menu Parameters90Figure 82 Options setup parameters - Page 1Compressor Sequence—This parameter changes the lead compressor when cooling is act

Service Menu Parameters91Figure 83 Options setup parameters - Page 2Humidification Enabled—This parameter enables or disables humidification. Infrared

Service Menu Parameters92Figure 84 Options setup parameters - Page 3CW Flush—This parameter selects how many hours between each chill water coil flush

Service Menu Parameters93Table 14 Service contact info parametersFunctionRangeImperial (metric)Large Display Small DisplayPage 1 of 1Password PASSWORD