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Precision Cooling
For Business-Critical Continuity™
® ™ ™
Liebert Challenger 3000/Liebert Challenger ITR
®
with Liebert iCOM Control
Operation & Maintenance Manual - 50 & 60Hz
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TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 SAVE THESE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.1 System Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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6.1 Standard Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.1.1 Change Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.1.2 Compressor Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.1.3 High Head Pressure . . . . . . . . . . . . . . . . . . . . .
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7.6 Facility Fluid and Piping Maintenance for Water and Glycol Systems . . . . . . . . . . . . . . . . 49 7.7 Humidifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 7.7.1 Infrared Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 7.7.2 Steam Generating Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLES Table 1 Keyboard icons and functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 2 Sample Liebert iCOM network configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 3 Set alarms—User Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Table 4 Zone leak detection kit installation scenarios . . . . .
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IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety instructions that should be followed during the installation and maintenance of the Liebert Challenger 3000/Liebert Challenger ITR with Liebert iCOM. Read this manual thoroughly before attempting to install or operate this unit. Only qualified personnel should move, install or service this equipment. Adhere to all warnings, cautions and installation, operating and safety instructions on the unit and in
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WARNING ! Risk of high-speed moving parts. Can cause injury or death. Disconnect all local and remote electric power supplies before working in the unit. Do not operate upflow units without installing a plenum, ductwork or guard over the blower opening(s) on the top of the unit cabinet. Ductwork must be connected to the blower(s), or a plenum must be installed on the blower deck for protection from rotating blower wheel(s) on upflow units. CAUTION ! Risk of contact with hot surfaces. Can cause
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Introduction 1.0 INTRODUCTION 1.1 System Descriptions ™ ™ The Liebert Challenger 3000 and Liebert Challenger ITR Precision Cooling systems are available in several configurations. 1.1.1 Compressorized Systems NOTE Compressorized systems may be a self-contained system, with the compressor in the Liebert Challenger 3000/Liebert Challenger ITR unit, or a split system, with the compressor in a separate condensing unit. These systems may be air, water, or glycol cooled, depending on the heat rejec
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Startup 2.0 STARTUP Before beginning startup, make certain that unit was installed according to the instructions in the installation manual, SL-11962. Verify that the fan shipping bolt has been removed, the check valve has been installed (on air cooled units), and that the scroll compressor is rotating in the proper direc- tion. All exterior panels must be in place with the front panel open. Locate the startup form supplied with your unit documents. Complete the form during startup and mail i
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Startup 14. Check for unusual noises and vibration. 15. Check all refrigerant and fluid lines for leaks. 16. Test all functions of your unit for proper operation. 17. Close high voltage dead front cover and latch. 18. Close front accent panel and latch. Return completed startup form to: Liebert Corporation Warranty Registration 1050 Dearborn Drive P.O. Box 29186 Columbus, OH 43229 5
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Operation with iCOM Control 3.0 OPERATION WITH ICOM CONTROL ™ The Liebert iCOM control offers the highest capabilities in unit control, communication and moni- toring of Liebert mission-critical cooling units. Liebert iCOM may be used to combine multiple cooling units into a team that operates as a single entity, enhancing the already-high performance and efficiency of Liebert’s units. 3.1 Features Large and Small Displays The Liebert iCOM control is available with either a large or small liqui
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Liebert iCOM Display Components and Functions 4.0 LIEBERT ICOM DISPLAY COMPONENTS AND FUNCTIONS The small and the large display have a common key layout, as shown in Figure 2. Figure 2 Liebert iCOM display components Liquid Crystal Display LED Status Indicators (top LED is red or flashing red; bottom LED is green or amber) ? ESC Large Liebert iCOM Display shown - Keypad and LEDs are Keypad identical on all displays. Alarm Key Up Arrow Key ? On/Off Key Help Key Left Arrow Key Enter Key Right
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Liebert iCOM Display Components and Functions Table 1 Keyboard icons and functions Icon Key Name Function On/Off Key Controls the operational state of the cooling unit. Alarm Key Silences an alarm. Help Key Accesses integrated help menus. ? ESCape Key Returns to the previous display view. ESC Enter Key Confirms all selections and selects icons or text. Increase Key Moves upward in a menu or increases the value of a selected parameter. (Up Arrow) Decrease Key Moves downward in a menu or reduces t
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Liebert iCOM Display Components and Functions Figure 3 Liebert iCOM default screen symbols fan cooling freecooling maintenance electric heat hot water dehumidification humidification 4.1 Navigating Through the Liebert iCOM Display Liebert iCOM displays icons and text for monitoring and controlling your Liebert cooling unit. The number of icons and amount of text shown depends on the display size. The Liebert iCOM offers two different types of views: graphical and simple. The graphical view is t
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Liebert iCOM Display Components and Functions Figure 5 Liebert iCOM default home screen—Simple view Humidity Return Air Humidity Sensor Return Air Setpoint Temperature Supply Air Setpoint Reading Setpoint System or Supply UNIT 1 Unit # view Air Temperature 72.0°F 50% 52.0°F SET Temperature °F °F % Sensor Reading 51.6 74.1 50 ACT Next Maintenance Evaporator Fan Speed 100% 72% 03/2011 Percent System (or Unit) Cooling On/Off Date and 9/29/2010 09 :18:07 UNIT ON Time 9/29/2010 08 :28 (01) MSG U
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Liebert iCOM Display Components and Functions 4.1.2 Accessing Menus and Settings Viewing Data No password is required to view data or settings. To view data: 1. From the home screen, press the Enter key to view the User Menu (see Figure 8). 2. Press Enter again to highlight the first icon. 3. Use the keyboard’s arrow keys to move to the icon for the data you wish to view. 4. Once that icon is highlighted, press Enter again to open that menu. • If a password is required, see 4.1.3 - Entering the
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Liebert iCOM Display Components and Functions 4.1.4 Accessing Submenus To access the User, Service or Advanced menu, press the Enter or down arrow key while viewing the Status menu of the unit you wish to access. The User menu will be displayed first. To view the Service or Advanced menus, press the right arrow key. Accessing Submenus on Small Displays While viewing the menu you wish to access (User, Service or Advanced), use the up and down arrow keys to scroll through the icons page-by-page
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Liebert iCOM Display Components and Functions Figure 7 Menu tree—Large and small displays, stand-alone or networked Status Menu – System View (Large Display Only) Unit 1 will be displayed in the top left corner of the screen on the large display only. Status Menu Unit 1 View User Menu Service Menu Advanced Menu Unit 1 Unit 1 Unit 1 Password Password Password Setpoints Setpoints Factory Settings Spare Part List Unit Diary Compressor Info (Large Display Only) (Large Display Only) (Large Display
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Liebert iCOM Display Components and Functions 4.2 Changing Operational Settings Changes to the Liebert Challenger 3000/Liebert Challenger ITR’s operation settings in the Set Alarms and Setpoints menus require a password. 1. From the home screen, press the Enter key to view the User Menu (see Figure 8). 2. Press Enter again to highlight the first icon. 3. Use the keyboard’s arrow keys to move to the icon for the data you wish to change. 4. Once that icon is highlighted, press Enter again to open
