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Manual Liebert XDK

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Summary
  • Liebert XDK - page 1

    Precision Cooling For Business -Critic al C ontinuity™ Li eber t X D K ™ Ra ck Enc lo sure With In t egrat ed W at e r -Ba sed C ooling User Ma nual –17 kW ...

  • Liebert XDK - page 2

    I MPORT ANT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS Liebert engineers will provide comprehensive support on how to install the XD K. Extensive material , function and qual ity checks ensu re that you fully benefit from product functions and a long service life. Nevertheless, this product can produce haza rds if it is used incorrectly by untr ...

  • Liebert XDK - page 3

    i T ABLE OF CONTENTS I MPORT ANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I NSIDE F RONT C OVER 1.0 I NTRODUCTI ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 O PERATING C ONDITIONS . . . . . . . . . . . . . . . . . . . . . . . ...

  • Liebert XDK - page 4

    ii FIGURES Figure 1 Cooling airflow, to p view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2 Cooling airflow, side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3 XDK door and automatic ...

  • Liebert XDK - page 5

    Introd uction 1 1.0 I NTRODUCTION The Liebert XDK provides the dissip ation of heat loads up to 17kW. The server rack is closed to the in stallation area, that means no heat lo ad will dissipate to th e envi- ronment. (see also chapter 2.) The cooling is prov ided by a closed cooling sy stem via an air-t o-water heat exchanger. The cooling capacit ...

  • Liebert XDK - page 6

    Operating Co nditions 2 2.0 O PERATING C ONDITIONS 2.1 Proper Application The XDK is a water-cooled enclosure and is intend ed for removing heat from electronic equipment inside the ca binet. The cooling system in the cabinet is thermally independent of the room air. Water is used to cool equipment installe d in the XDK. No additional cooling of th ...

  • Liebert XDK - page 7

    Description 3 3.0 D ESCRIPTION 3.1 General function The modular design facilitates the installation of 19-inch-wide equipment of varying depth . Heat produced b y equipment in the cabinet, s uch as servers, is removed by the cold water system integrated into the server cabinet. The cooling system is isolated fr om the server area, protecting the se ...

  • Liebert XDK - page 8

    Description 4 3.2 Principle of Cooling Operation Figure 2 Cooling airflow , side view Air that has been heated by the servers to 95°F (35°C), for example, is circulated to a specially designed air/water h eat exchanger by high -performance fans. The heated air is c ooled to 68-77°F (20-25°C) and fed to the front of the server . The server fans ...

  • Liebert XDK - page 9

    Description 5 3.2.1 Dat a Overview—XDK T able 2 T echnical dat a Housing material Aluminium sheet, sheet steel, galvanized and coated Operating Temperature range 50°F to 95°F (10°C to 35°C) Abs. atmospheric humidity 8g / kg maximum Temperature difference across server approx. 15K Noise level 55 dB(A) sound pressure at a distance of 3 ft. (1m) ...

  • Liebert XDK - page 10

    Description 6 3.3 Control The server cabinet tempe rature is co ntrolled by the fan control board A temperature sensor continuously measures the temp erature of the server cabinet (server feed air). The air circulation flow rate is cont rolled by the fan speed according to the current thermal load. At temperatures lower than 70°F (21°C) fans rota ...

  • Liebert XDK - page 11

    Description 7 3.4.1 Function Front and rear door are kept closed with two electr omagnets. The door will be pushed open smoothly by a gas pressure spring if po wer to the electromagnets fails. If the doors are open ed, the thermal lo ad can escape into the room, preventing the servers from over- heating. The inflow of air with water droplets can al ...

  • Liebert XDK - page 12

    Description 8 3.4.3 Manual Closing 1. Press LED switch for electromagnet activation 2. The LED lights up 3. Push door e venly shut. Both magnetic locks must latch. 3.4.4 Manual Opening 1. Press LED switch - green LED doesn’t light 2. Ra ck door opens itself ...

  • Liebert XDK - page 13

    Equipment Inspec tion, Handling And S torage 9 4.0 E QUIPME NT I NSPECTIO N , H ANDLING A ND S TORAGE Upon arrival of the unit, and before unpacking, veri fy that the la beled equi pment matches the bill of lading. Inspect all items for damage, either visibl e or concealed. Damage should b e immediately reported to the carrier and a damage claim fi ...

  • Liebert XDK - page 14

    Equipment Inspec tion, Handling And S torage 10 4.3 Storage • If the XDK’s packag ing has been removed, cover i t with tarpaulins to protect aga inst particulates, such as sand and dust, and fro m moisture. • Keep storage temperature between -22°F and 104°F ( -30°C and +40°C). • The heat exchanger must be completely drai ned to prevent ...

  • Liebert XDK - page 15

    Installation an d Commissioning 11 5.0 I NST ALLATION AND C OMMISSIONING 5.1 Preparation for Inst allation To achieve good air circula tion, ensure that there is no packagin g material or other equipment that could hinder or prevent air circulation in the area of the equipment, in the area of the heat exchanger, in the air inlet or in the air outle ...

  • Liebert XDK - page 16

    Installation an d Commissioning 12 5.3 W ater Connectio n The heat exchange r can be pulled out for servicing Water pipes should be connected so that the heat exchanger can be pulled ou t when the connection is undone. If the heat exc hanger is connected to the wa ter circuit using threaded fittings, the pipe fitting must be supported on tightening ...

  • Liebert XDK - page 17

    Installation an d Commissioning 13 Figure 8 Heat exchanger Figure 9 Heat exchanger connection Liebert recommends insulating the co ld wat er pipes with waterp roof insulation to pr event condensa- tion and losses. 9- 7 / 8 " (1 50 m m ) 2" (5 0 m m ) 2" (5 0 m m ) 33- 7/16" (8 5 0 m m ) 27- 3/8" (6 9 5 m m) Spa ce for C ab ...

  • Liebert XDK - page 18

    Installation an d Commissioning 14 Figure 10 Bottom plate with cutout s Cable and pi pe openings must b e seal ed air-tight on completion of work. 5.4 Condensed W ater Connection If the XDK is operated below dew point, condense d water may occur. As standard there is a water con- nection, 5/8" di ameter, in the co ndensed water tray for drai n ...

  • Liebert XDK - page 19

    Installation an d Commissioning 15 The condensate drain is not pressurize d; a condensate pump can be used. 5.5 Electrical Connection The wiring diagram is enclosed in the unit. As soon as all prepa rations for installati on have been made, you can start electrical i nstallation. Check whether vo ltage and frequency at installation site as well as ...

  • Liebert XDK - page 20

    Servicing and Mainten ance 16 6.0 S ERVICING AND M AINTENANCE 6.1 General Inspection on Fans—Annual • Check for unusual bearing noises. (C heck for excessive bearing play.) 6.1.1 Fan Replacement The expected service life is approximate ly 40,000 operating hours at a temperature of 40°C (104°F). 1. Remove the housing cover from the unit (with ...

  • Liebert XDK - page 21

    Servicing and Mainten ance 17 Reinstall the fan by reversing the steps to remove the fan. 1. Tighten the fan fastening bolts. 2. Connect the power supply cable to the fan. 3. Switch on the circuit breaker. 4. Dispose of the old fans correctly. 6.2 Inspect the Heat Exchanger—Annual The efficienc y of heat exchangers is sharp ly reduced by dirt and ...

  • Liebert XDK - page 22

    Servicing and Mainten ance 18 6.3 Replacing the Heat Exchanger Figure 12 Heat exchanger replacement Reinstall the heat exchanger by reve rsing the reverse order of removal. NOTE Regularly check the condensed wa ter drain and clean if necessary Step 1: Lif t the air duct off the flange to remove it. Ste p 2 : Remove the grounding cable Step 5: Pull ...

  • Liebert XDK - page 23

    Dismantling and Disposal 19 7.0 D ISMANTLING AND D ISPOSAL The XDK may be dismantled by qual ified personnel o nly. Disconnect the unit from the external water circuit by closing the shutoff valv es and drain the unit’s water circuit. Transport the unit a s described in 4.0 - equipment Inspection, Handling And Storage , using a lifting device wit ...

  • Liebert XDK - page 24

    Water Purity Requirements 20 8.0 W ATER P URITY R EQUI REMENT S To ensure the maximum service life of the air/water heat exchange rs, water must comply with the VGB water regulations (VGB-R 455 P) . The water used must be soft en o ugh to prevent deposits, but it must not be so soft that he at exchanger corrosion occurs. The following table contain ...

  • Liebert XDK - page 25

    Water Purity Requirements 21 8.1 Unit Inst allation Checklist ___ 1. Check unit for damage on delivery ___ 2. Check for level floor ___ 3. Check maximum floor load ___ 4. XDK feet adjusted, if applicable ___ 5. XDK is level ___ 6. No remains of packaging in the XDK ___ 7. All installation tools removed ___ 8. Cable entries into the unit correct and ...

  • Liebert XDK - page 26

    Water Purity Requirements 22 8.2 Commissioning Certificate Nominal va lues kept ___ 1. Yes ___ 2. No T able 6 XDK – Commissioning certificate General Data Client/Setup Site Client Name Client Address Contact Persons Phone Number Setup Site / Room Number T able 7 Nominal values at setup site Air Humidity at Setup Site % Relative Humidity Ambient T ...

  • Liebert XDK - page 27

    Water Purity Requirements 23 Configuration T able 8 T ype of cabinet XDK 17kW Cabinet Number Serial Number Date Shipped Fan Type T able 9 Control of st atus General Condition Load Carrying Capacity Checked Yes No Level Alignment Ch ecked Yes No Transportation Damages of Cabinet Yes No Comments Damages on Heat Exchanger/Connectio ns Yes No Front Doo ...

  • Liebert XDK - page 28

    Water Purity Requirements 24 . T able 10 Cold water facility on site Cold Water XDK Connected To Water Temperature Feed °C/°F Return Water Pressure Feed PSI (Pa) Return PSI (Pa) Water Differential Pressure Pa T able 1 1 Electrica l dat a / document s Wiring Scheme Attached Yes No Comments Cable Connections Checked: Yes No Electrical Acceptance Ce ...

  • Liebert XDK - page 29

    Water Purity Requirements 25 Commissioning performed by day to day ope rating. Correctness of function check protocol certified by : Malfunction Indicator Function Yes No Comments Condensate Occurrence at Heat Exchanger Yes No Comments Pressure Test Water Circuit Yes Water Flow Rate Adjusted Yes No Flow Rate (Possible Only Externally) GPM Water Fee ...

  • Liebert XDK - page 30

    Water Purity Requirements 26 ...

  • Liebert XDK - page 31

    ...

  • Liebert XDK - page 32

    Ensuring The Hi gh A vai lab ilit y 0f Mission-Critic al Dat a And Ap plic ations. Emerson Net work P ow er , the global leader in enabling business-critical continuity , ensures network resiliency and adaptabilit y through a family of technologies—inc luding Liebert power and cooling technologies—that prot ect and suppor t business-critical sy ...

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Documents that we receive from a manufacturer of a Liebert XDK can be divided into several groups. They are, among others:
- Liebert technical drawings
- XDK manuals
- Liebert product data sheets
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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Liebert XDK by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Liebert XDK.

A complete Liebert manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Liebert XDK - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Liebert XDK, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Liebert XDK, that we can find in the current document
3. Tips how to use the basic functions of the device Liebert XDK - which should help us in our first steps of using Liebert XDK
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Liebert XDK
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Liebert XDK in a specific country, if it was not possible to solve the problem on our own.

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