Precision Cooling For Business-Critical Continuity Liebert XDF™ User Manual - 14kW Nominal Capacity, 60 Hz ? ESC
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 . . . . . . . . . . . . . . . . . . . . . . . . . .
.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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.10 Uninterruptible Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 11.0 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 11.1 Periodic Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 12.0 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TABLES Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Optional condensate pump performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water supply flow rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ethylene glycol concentrations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
Glossary of Symbols 1.
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.
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 electronic equipment in the XDF (see Figure 1). An evaporator coil extracts heat from the circulating air.
Product Description Figure 3 Component location, rear of XDF Condenser fan (removable to reduce height temporarily) SELF-CONTAINED AIR COOLED MODEL Condenser air intakes, perforated grilles Door handle Backup ventilation damper (air exit) Rear door Service access for gauges to be inserted for testing Condensate drain Three-phase electrical cord, 10 feet (3m) Single-phase electrical cord, 10 feet (3m) Casters Stabilizing foot (one of four) WATER/GLYCOL COOLED MODEL Return Line (1" female, NPT) Su
Product Description Figure 4 Dimensional data, self-contained, air cooled model 34-1/8" (867mm) Rack Section 24-1/8" (613mm) 2-1/2" (64mm) 82-1/4" (2089mm) 36U Control Side 79-3/4" (2026mm) LEFT SIDE 49-1/2” (1257mm) FRONT 2-5/8" (68mm) 24-3/8" to 32-11/32 (620-821mm) mounting depth Cooling Section 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” (1162
Product Description Figure 5 Dimensional data, water/glycol cooled model Rack Section 24-1/8" (613mm) Cooling Section 9-5/16" (252mm) 5-1/2” (139.7mm) 1.88” (47.6mm) 6.95” (176.
Product Description Figure 6 Dimensional data, all models—top, bottom and cable entry cutouts 4-1/2" (114mm) BOTTOM VIEW Front TOP VIEW A 4-3/8" (112mm) 15" (381mm) Cable Entry Cutouts B 4" (102mm) 4-1/2" (114mm) Cable Entry Cutout Stabilizing Foot, 1 of 4 Front Self-contained, air cooled model shown; water cooled unit dimensions are identical; water cooled unit does not have condenser fan.
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.
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 equipment and transfers the heat to an evaporator coil at the right rear of the XDF.
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 circulated air Front Rear 11
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, setpoints, 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.
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.
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.
XDF Components 3.3 Optional Equipment 3.3.1 General Enclosure Options • • • • • • • • • • • 3.3.
Installation 4.0 INSTALLATION 4.1 Inspection Upon arrival of the unit, and before unpacking it, verify that the delivered equipment matches the bill of lading. Examine the packaging for any signs of mishandling or damage. Inspect all items for damage, visible or concealed. Report any damage immediately to the carrier and file a damage claim. Send a copy to Liebert Corporation or to your sales representative. Packing Material All material used to package this unit is recyclable.
Installation 4.3.1 Handling the Unit While It is Packaged • If possible, transport the XDF using a forklift or pallet jack. Otherwise use a crane with belts or cables and spreader bars to protect the XDF’s sides from damage. • If using a forklift or pallet jack, make sure the forks (if adjustable) are spread to the widest distance that fit under the skid. Also, ensure the fork length is suitable for the unit length. • When moving the packaged XDF, do not lift it any higher than 6" (152mm) off the ground.
Installation 4.3.3 Removing the XDF from Skid This unit is on casters—to prevent it from rolling, ensure that the skid is on a flat surface before removing the XDF from the skid. 1. 2. 3. 4. 5. 6. Remove eight lag bolts from the unit tie-down brackets on the controls side of the unit. Remove the four tie-down brackets from the controls side of the unit (see Figure 15). Find the ramps that were shipped with the unit. Insert the two tabs on each ramp into the holes on the skid.
Installation Figure 16 Roll XDF off the shipping skid Appropriate number of workers roll XDF ... Fit tabs on ramps into holes on front of skid Self-contained, air cooled unit shown; steps apply to all XDF units ...
Installation 4.
Installation 4.5 Voltage Requirements All XDF systems require two input power circuits. Each power cord is 10 feet (3m) long. For the full load amp requirements of each option, refer to 12.1 - Optional Power Systems or the component’s user manual. 4.5.1 Voltage Input Requirements The first input connection provides power—120V-1ph-60Hz, line-to-neutral—to the controls, evaporator fans and condenser fan. This input’s power cord has a NEMA 5-15P plug.
Installation 4.5.2 Uninterruptible Power Supply—Optional If your XDF is equipped with a UPS, it will require connection to a dedicated electrical circuit. Review the UPS’s user manual before connecting utility power to the unit. 4.5.3 MP Advanced Power Strips—Optional MP Advanced Power Strips are available in several power ranges. Consult Table 14 in 12.0 - Specifications or the MP Advanced Power Strip user manual, SL-28015, for your model’s power requirements. 4.5.
Installation 4.7 Equipment Layout ! WARNING Risk of electric shock. Can cause injury or death. Disconnect all local and remote electric power before working within and/or installing equipment. Before installing or rearranging equipment, ensure the equipment and the UPS are switched off. Ensure that all electrical sources are disconnected. The lateral, circular flow of cooling air permits arranging equipment as required for stability if the XDF is filled or nearly filled with equipment.
Installation 4.8 Frame and Enclosure Configurations 4.8.1 Internal Mounting Rails The XDF can accommodate rack-mounted or free-standing computer and network equipment. The unit features 19-inch (483mm) rear-mount rack rails. These internal mounting rails are designed in accordance with the EIA 310D rack standard. The rails are adjustable for equipment of different sizes.
Installation 4.10 Door—Remove The XDF’s doors are removable for convenience when installing equipment. 4.10.1 Remove the Door 1. Remove the bolts securing the lower half of each two-piece hinge to the door. 2. Remove the lower half of each hinge. 3. Lift the door straight up until the pins clear the hinges. 4. Set the door in a safe place. 4.10.
Installation 4.11.2 Remove the Right Panel ! WARNING Risk of electric shock. Can cause injury or death. Disconnect all local and remote electric power before working within and/or installing equipment. To remove the right panel from the XDF: 1. Locate the four panel retainers on the outside of the right XDF panel. One retainer is in each corner of the panel. 2. Using the factory-supplied T-handle Allen wrench, turn the panel retainers counterclockwise 90 degrees.
Piping Considerations—Water/Glycol Models Only 5.0 PIPING CONSIDERATIONS—WATER/GLYCOL MODELS ONLY The XDF’s supply and return fittings are on the upper portion of the rear of the unit (see Figure 6). The 1-1/8" diameter pipes have one-inch female NPT fittings. The pipes are capped at the factory. Piping connections to the XDF should be done by qualified personnel. All work must be done in compliance with all national and local regulations. 5.
Piping Considerations—Water/Glycol Models Only 5.2.1 Expansion Tanks, Fluid Relief Valves and Other Devices An expansion tank must be provided for expansion and contraction of the fluid due to temperature change in this closed system. Vents are required at system high points to vent trapped air when filling the system. A relief valve is also necessary. Depending on the complexity of the system, various other devices may be specified.
Piping Considerations—Water/Glycol Models Only 5.3 Drycooler Loop System 5.3.1 Glycol Solutions The percentage of glycol to water must be determined by using the lowest design outdoor temperature in which the system is operating. Table 3 indicates the solution freeze point at several concentration levels of ethylene glycol. Propylene glycol concentrations should be 1% higher than the ethylene glycol table values to find the freeze point. For example, 41% propylene glycol freezes at -10°F (-12°C).
Filling the XDF with Coolant—Water or Glycol 6.0 FILLING THE XDF WITH COOLANT—WATER OR GLYCOL 6.1 Preparing the System for Filling It is important to remove any dirt, oil or metal filings that may contaminate the cooling system piping in order to prevent contamination of the coolant and fouling of the drycooler piping (IF USED). The system should be flushed thoroughly using a mild cleaning solution or high-quality water and then completely drained before charging with coolant.
Electrical Connections 7.0 ELECTRICAL CONNECTIONS Power is supplied to the XDF through two factory-connected power cords (120V and 208V). For more information, refer to 4.5.1 - Voltage Input Requirements Additional electrical connections required for operation depend on the equipment installed in the XDF and remote communications desired. The XDF has slots for two communication cards, such as Liebert’s Intellislot card, and two alarm/warning hardwire connections.
Electrical Connections Figure 22 Customer electrical connections and cable entry points—water/glycol cooled units Ambient Temperature/Humidity Sensor Customer Connections: 37 & 38 Remote Shutdown Contacts 75 & 76 Customer Alarm Contacts 94 & 95 Customer Warning Contacts (Contacts listed from top to bottom; All contacts rated 1A, 24VAC maximum) Communication Card Slots (cards provided when option is selected) RETURN (OUT) Customer Cable Entry Points SUPPL Y (IN) Dashed line delineates equipment compart
Electrical Connections 7.1 Utility Power Supply The XDF’s 120V and 208V input power cords are stored for shipment in a compartment at the bottom left of the rear of the XDF. The 10 feet (3m) cords may be routed to power outlets on the floor or wall. If the power connections are overhead, the cables may be routed inside the unit and out the top. Liebert recommends pulling the cables across the floor of the rack-mounted equipment compartment and up the right rear side.
Cable Management Options 8.0 CABLE MANAGEMENT OPTIONS The XDF is able to host many of the components of the Foundation cable management products. These optional items deliver a flexible solution to rack-enclosure cable problems by utilizing a patent pending platform to provide adaptive equipment and cabling support. Cable and equipment mounting options are available to meet changing requirements. 8.
Cable Management Options 8.3 Cable Access 8.3.1 Top Cover and Back Optional sealed entrance cable bundles (cone-shaped seals and clamps) permit use of the round openings on the top of the XDF for cable entry. To bring cable through these holes: 1. Replace the plug with a sealed entrance cable bundle. 2. Pull the cable through the bundle. 3. The cable bundle can be trimmed to accommodate various quantities of cables. 4. Use the clamp to secure the bundle around the cables. 8.
Cable Management Options Figure 26 Cable management mounting locations and options: Velcro cable straps, Cable Spools Customer Cable Entrance Areas Carriage Bolt Cable Spool 3" Tall Star Washer Keps Nut Velcro Cable Strap Carriage Bolt Star Washer Cable Spool 3" Tall Cable Management Option Mounting Areas (inside rails and frame) FRONT Figure 27 Cable management accessories: Cable Tray Flat Tab Mounting Bracket Cable Tray Flat-Head Screw Flat Tab Mounting Bracket Small Keps Nut Cable Tray Cover
Startup 9.0 STARTUP Before plugging in your electronic equipment, make sure that all power switches are in the OFF position. • Be certain there are no obstructions, wire bundles, manuals, trash, etc., in front of or on either side of the XDF. Make sure all doors are shut and sealed properly. • Plug the XDF’s 120V power cord into a dedicated utility circuit. • Plug the XDF’s 208V power cord into a dedicated utility circuit. 9.1 XDF Startup Inspection Checklist 9.1.1 Site Conditions ___ 1.
Startup 9.2 Starting the XDF The XDF is started, stopped and controlled with Liebert’s iCOM controller. Figure 28 shows the iCOM keypad. Figure 28 iCOM controller keys Alarm Key Up Arrow Key ? On/Off Key Help Key Left Arrow Key Enter Key ESC Escape Key Down Arrow Key To start the XDF: 1. 2. 3. 4. 5. Press the On/Off key on the iCOM controller. Confirm internal airflow: Inside enclosure, (evaporator fan discharge). Confirm cooling air begins circulating. Power up the UPS (if provided).
Operation 10.0 OPERATION The XDF is intended for operation with its doors closed and latched. This increases efficiency and keeps out dust and humidity. With the doors closed, the XDF will achieve full capacity in ambient conditions up to 95°F (35°C) and 40 percent relative humidity. The XDF’s cooling efficiency is reduced if it is operated in higher ambient temperatures and humidity. The reduction varies according to the heat load from the installed equipment and the external temperature and humidity.
Operation Table 7 Icon ? ESC Keyboard icons and functions 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. Enter Key Confirms all selections and selects icons or text. Increase Key (Up Arrow) Moves upward in a menu or increases the value of a selected parameter.
Operation 10.3 Navigating Through the iCOM Display iCOM displays icons and text for monitoring and controlling your Liebert cooling unit. The iCOM’s default screen may be either graphical or simple (no bar graphs).
Operation 10.3.1 Accessing Menus and Settings Viewing Data No password is required to view data or settings. To view data: 1. From the default screen, press the Enter key to view the opening page of the six-page user menu (see Figure 32). 2. Press Enter again to highlight the password line. 3. Use the Down arrow to scroll to the icon for the data you wish to view. 4. Once that icon is highlighted, press Enter again to display the data.
Operation 10.4 Changing Operational Settings Changes to the XDF’s operation settings in the Set Alarms and Setpoints menus require a password. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. From the default screen, press the Enter key to view the opening page of the six-page user menu. Press Enter again to highlight the password line. Enter the password (for help, see 10.3.
Operation Table 8 User menu icons Icon Name Description °C / °F % RH SET Setpoints View and change internal cabinet temperature setpoint (humidity setpoint inactive on XDF) EVENT LOG Event Log Contains last 400 events Graphic Data Record Displays temperature and humidity graphs View Network Shows status of all connected units (inactive on XDF) Set Alarms Allows enable, disable and settings for alarms Sensor Data Shows readings of sensors Display Setup Change settings for display: langua
Operation 10.5 Changing iCOM’s Display Settings No password is required to change the way iCOM displays data. The Display Setup submenus control how such data as temperature, date and time is shown. To change the display settings: 1. 2. 3. 4. 5. 6. 7. 8. 9. From the default screen, press the Enter key (see Figure 28) to access the user menu. Press the Enter key again to highlight the password command line. Use the Up and Down arrow keys to navigate to the Display Setup icon.
Operation 10.7 Operation With the Door Open If the external ambient dew point exceeds the XDF’s internal temperature, the iCOM control will flash a warning that condensation may form inside the enclosure if a door is opened. The warning is an icon of a door with an “X” on top of it. The word NO appears beside the icon. If a warning is flashing, the XDF’s doors may be opened safely while the unit is operating by following these steps: NO 1.
Operation 10.8 Backup Ventilation System The XDF is equipped with a backup ventilation system that circulates ambient air through the XDF should any component of the cooling system fail or if power is lost. The backup ventilation system begins operating only after the internal temperature exceeds the ambient external temperature. If powered by a UPS, evaporator fans circulate ambient air until the XDF returns to normal operation.
Maintenance 11.0 MAINTENANCE Table 9 Troubleshooting Problem Cause Solution No Power Confirm unit is plugged in and the building breaker has not tripped. Clogged condenser coil Clean coil. See 11.1 - Periodic Maintenance. Hot Gas bypass valve set incorrectly Contact Liebert Technical Support at 800-543-2378. Refrigerant loss Verify leak. If refrigerant system needs repaired, contact Liebert Technical Support at 800-543-2378. Airflow is blocked at the intake or exhaust.
Specifications 12.
Specifications Table 11 Electrical specifications Electrical Data Self- Contained, Air Cooled XDF Water/Glycol Cooled XDF 120 120 Control & Fan Supply Voltage Ph 1 1 Hz 60 60 Unit FLA 8.3 5.0 Max Fuse or Circuit Breaker Amps 15 15 Min. Supply Circuit Ampacity 9.2 5.2 NEMA 5-15R NEMA 5-15R 208 208 3 3 Receptacle required Compressor Supply Voltage Ph Hz Unit FLA Max Fuse or Circuit Breaker Amps Min. Supply Circuit Ampacity Receptacle required 60 15.7 35 35 19.6 19.
Specifications 12.1 Optional Power Systems Table 13 UPS performance data Model Number Input Power (1 ph) VA / Watts Height In (mm) U Volts OPD (A) Plug GXT2-700RT120 700 / 490 3.5 (89) 2 120 15 NEMA 5-15P GXT2-1000RT120 1000 / 700 3.5 (89) 2 120 15 NEMA 5-15P GXT2-1500RT120 1500 / 1050 3.5 (89) 2 120 15 NEMA 5-15P GXT2-2000RT120 2000 / 1400 3.5 (89) 2 120 20 NEMA 5-20P GXT2-3000RT120 3000 / 2100 3.5 (89) 2 120 30 NEMA L5-30P GXT2-700RT230 700 / 490 3.
Specifications 12.2 Optional Managed Power - Advanced Power Strips, Vertical- or Horizontal-Mount MP Advanced Power Strips are available in 19" rack-mount and vertical-mount form to accommodate different installation requirements. See Mounting Method & Size in Table 14 for specific configurations. Table 14 MP Advanced Power Strip specifications Input Liebert PN Mounting Method & Size VoltageCurrent (A)Phase Output Cord Connection Length, Type (Quan) Ft.
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