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Precision Cooling
For Business-Critical Continuity
™
Liebert XDF
User Manual - 14kW Nominal Capacity, 60 Hz
?
ESC
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TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1.0 GLOSSARY OF SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2.0 PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2.1 Operational Overview—Self-Contained, Air Cooled Model . . . . . . . . . . . . . . . . . . . . . . .
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4.11 Side Panels—Remove and Replace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.11.1 Remove the Left Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.11.2 Remove the Right Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.11.3 Replace a Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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10.10 Uninterruptible Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 11.0 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 11.1 Periodic Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 12.0 SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLES Table 1 Optional condensate pump performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Table 2 Water supply flow rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Table 3 Ethylene glycol concentrations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Table 4 Glycol supply flow rates . . . . . . . . . . . .
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IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that must be closely followed during installation and maintenance of this unit to maintain compliance with agency listings. Read all safety and operating instructions before attempting to operate the XDF. Adhere to all warnings on the unit and in this manual. Follow all operating and user instructions. This product is designed for commercial / industrial use only. This product is not intended for
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Glossary of Symbols 1.0 GLOSSARY OF SYMBOLS Hazardous Voltage Present Note following instructions Consult user manual for additional information Indicates weight Indicates ground connection Indicates alternating current 2
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Product Description 2.0 PRODUCT DESCRIPTION Congratulations on purchasing a Liebert XDF. The XDF is an integrated equipment cabinet with built-in cooling and intelligent control to protect mission-critical enterprise systems from extreme heat. The XDF provides an organized, secure, controlled environment for your sensitive electronic equipment. The unit is available in a variety of configurations to suit your electronic equipment’s environmental requirements. The self-contained, air cooled L
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Product Description 2.2 Operational Overview - Water/Glycol Cooled Model The water/glycol cooled XDF model employs a single-stage cooling system rated at 14kW to supply cooling air to the rack-mounted equipment. A bank of fans circulates this cooling air through the elec- tronic equipment in the XDF (see Figure 1). An evaporator coil extracts heat from the circulating air. That heat is transferred to a brazed plate condenser at the top of the XDF, transferred to the cooling water or glycol sol
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Product Description Figure 3 Component location, rear of XDF Condenser fan SELF-CONTAINED (removable to reduce AIRCOOLEDMODEL height temporarily) Condenser air intakes, perforated grilles Door handle Backup ventilation damper (air exit) Rear door Service access for gauges to be inserted Condensate drain for testing Three-phase electrical cord, 10 feet (3m) Single-phase electrical cord, 10 feet (3m) Stabilizing foot Casters (one of four) WATER/GLYCOL COOLED MODEL Return Line (1" female, N
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Product Description Figure 4 Dimensional data, self-contained, air cooled model 34-1/8" (867mm) Rack Section 24-1/8" 2-1/2" (613mm) (64mm) 82-1/4" (2089mm) 36U Control 79-3/4" Side (2026mm) 24-3/8" to 32-11/32 (620-821mm) mounting depth LEFT SIDE 49-1/2” (1257mm) FRONT 2-5/8" Cooling Section (68mm) 9-5/16" (252mm) Single-Phase Power Cord Entrance; factory-supplied, 10' (3m) NEMA 5-15P 3-Phase Power Cord Entrance; factory-supplied, 10' (3m) NEMA L21-30P Capped Service Gauge Access 45-3/4”
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Product Description Figure 5 Dimensional data, water/glycol cooled model Cooling Section 5-1/2” Rack Section 9-5/16" (252mm) 6.95” (139.7mm) 24-1/8" (176.5mm) (613mm) 1.88” (47.6mm) 7” (177mm) Control Side 79-3/4" (2026mm) 45-3/4” (1162mm) Backup Ventilation Air Outlet 2-5/8" (68mm) 4-1/2” FRONT (114mm) Detail Area “A” REAR VIEW Single-Phase Power Cord Entrance; factory-supplied, 10' (3m) NEMA 5-15P 3-Phase Power Cord Entrance; factory-supplied, 10' (3m) NEMA L21-30P Capped Service 42U G
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Product Description Figure 6 Dimensional data, all models—top, bottom and cable entry cutouts BOTTOM VIEW 4-1/2" TOP VIEW (114mm) Front A 4-3/8" (112mm) Cable Entry Cutouts 15" (381mm) B 4" (102mm) Cable Entry Cutout 4-1/2" Stabilizing Foot, Caster, 1 of 4 (114mm) Front 1 of 4 A - Rack-Mount Width EIA Nominal: 19" (483mm) Self-contained, air cooled model shown; water cooled unit Inside Dimension: 17-13/16 (452) dimensions are identical; water cooled unit does not have B - Adjustable Moun
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XDF Components 3.0 XDF COMPONENTS 3.1 Standard Components—Self-Contained, Air Cooled and Water/Glycol Cooled Models 3.1.1 Frame The self-contained, air cooled XDF is 82-1/4 inches (2089mm) tall; the water/glycol cooled unit, 79-3/4 (2026) tall. The self-contained, air cooled XDF has 36U (63 inches) of usable rack height. The water/glycol cooled XDF has 42U (73-1/2 inches) of usable rack height. Both the self-contained, air cooled and water/glycol cooled XDF units have a standard EIA rack wid
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XDF Components 3.1.5 Environmental Control The XDF supplies cooling air—68°F to 77°F (20-25°C)—to electronic equipment in the rack-mount equipment compartment. In normal operation, six fans at the right front corner of the XDF circulate cooling air through the equipment compartment. The laterally circulating air absorbs heat generated by the electronic equip- ment and transfers the heat to an evaporator coil at the right rear of the XDF. The heat is removed differently in the self-contained,
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XDF Components Figure 8 Cooling system components—water cooled models Coolant Return Connection Brazed Plate Condenser Coolant Supply Connection Backup Ventilation Intake Vent (exhaust vent is on rear) Evaporator Coil (behind damper) extracts heat from cir- culated air Front Rear 11
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XDF Components 3.1.6 Control—Liebert’s iCOM Controller The XDF is equipped with Liebert’s iCOM controller for all programming functions on the XDF. The menu-driven, 128 x 64 dot matrix graphic display shows the status of the conditioned space, set- points, alarm status and settings, event histories and the time. Refer to 10.2 - iCOM Components and Functions and 10.3 - Navigating Through the iCOM Display for details or call 800-543-2778. Figure 9 XDF with iCOM controller ? ESC Liebert iCOM cont
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XDF Components 3.2 Coolant Source—Water/Glycol Models The XDF water/glycol cooled models may be connected to either of two types of coolant sources: • a closed-loop water system (cooling tower) • a drycooler loop 3.2.1 Closed-Loop Water System A closed water supply system is required for efficiency and to protect the equipment from particles and other contaminants that might obstruct the system’s piping. CAUTION ! Risk of dirt and debris contamination. May cause condenser clogging. Do not insta
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XDF Components 3.2.2 Drycooler Loop The water/glycol cooled XDF model requires an external supply of coolant, either water or glycol, to remove heat extracted from the XDF. Contact the factory for drycooler requirements when connecting multiple XDF units. For information on setting up a drycooler system, contact your local Liebert representative. Figure 11 Water/glycol cooled general arrangement with drycooler as coolant source Expansion Tank (install at highest point in system) Supply Line
