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Precision Cooling
For Business-Critical Continuity
™
Liebert Challenger 3000
Operation & Maintenance Manual - 3 & 5 Ton, 50 & 60Hz
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TABLE OF CONTENTS 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1.1 System Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.1 Compressorized Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.2 GLYCOOL™ (Chilled Glycol Cooling) Systems . . . . . . . . .
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3.7.1 Setup Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.7.2 Select Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.7.3 Calibrate Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.7.4 Calibrate Valve Actuator . . . . . . . . . . . . .
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4.4.2 Sequential Load Activation Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 4.5 Additional Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 4.5.1 Connecting the Analog Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 4.5.2 Water Detection Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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6.5 Humidifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 6.5.1 Infrared Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 6.5.2 Steam Generating Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 7.0 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . .
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FIGURES Figure 1 Advanced microprocessor control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2 Advanced microprocessor (A) control for Challenger 3000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3 Advanced microprocessor with graphics (G) control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 4 Advanced microprocessor with graphics control menu. . . . . . . . . . . . . . . .
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vi
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Introduction 1.0 INTRODUCTION 1.1 System Descriptions ™ Challenger 3000 Liebert environmental control systems are available in several configurations. Each configuration can operate with either Advanced Microprocessor Controls (A), or Advanced Microprocessor Controls with Graphics (G). A brief description of each, including operational differ- ences, are listed below. Check model numbers to see what is supplied with your unit. 1.1.1 Compressorized Systems NOTE Compressorized systems may be a s
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Introduction 1.2 Start-Up Procedure Before beginning start-up, make certain that unit was installed according to the instructions in the Installation Manual. 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 direction. All exterior panels must be in place with the front panel open. Locate the start-up form supplied with your unit documents. Complete the form during your start-u
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Operation with Advanced Microprocessor Controls 2.0 OPERATION WITH ADVANCED MICROPROCESSOR CONTROLS The advanced microprocessor (A) control for your Liebert Challenger 3000 unit features an easy-to- use menu driven LCD display. The menus, control features, and circuit board details are described in this section. For more control details, refer to 4.0 - System Performance with Advanced Micro- processor Controls, and for more alarm information, refer to 5.0 - Alarm Descriptions. 2.1 Basics Contro
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Operation with Advanced Microprocessor Controls Figure 2 Advanced microprocessor (A) control for Challenger 3000 Main Menu 72°F 50%RH Normal Display Status/Alarm Data Cooling Setpoints/Setup Dehumidifying Date and Time No Alarms Present Status Display Status Alarm Data Setpoints/Setup Date and Time Status Display View Setpoints Active Alarms 15-APR-2004 09:30:00 75°F 59%RH Setup System Operating Status Cooling Run Diagnostics Alarm History Log ENTER to change Dehumidifying Change Passwords Run
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Operation with Advanced Microprocessor Controls 2.2 Status Display The display normally shown includes the present room temperature, humidity, active status func- tions (cooling, heating, dehumidifying, humidifying), and active alarms. If no keys are pressed within 5 minutes, the system automatically returns to the Status Display. The Status Display may also be selected from the Main Menu. 2.3 Main Menu
