Lenovo ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Manual
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Lenovo ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Manual

Lenovo ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Manual

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ThinkSystem Heavy Duty Full Depth 42U Rack
Cabinet
User Guide
Machine Type: 7D6D

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Summary of Contents for Lenovo ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet

  • Page 1 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide Machine Type: 7D6D...
  • Page 2 Sixth Edition (March 2025) © Copyright Lenovo 2021, 2025. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration (GSA) contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No.

  • Page 3: Table Of Contents

    Fill the heat exchanger with water ..277 Install clip nuts ... . . 147 Replace the door latch ..282 © Copyright Lenovo 2021, 2025...
  • Page 4 ... . . 354 Install and remove the outriggers ..356 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 5: Safety

    Vor der Installation dieses Produkts die Sicherheitshinweise lesen. Prima di installare questo prodotto, leggere le Informazioni sulla Sicurezza. Les sikkerhetsinformasjonen (Safety Information) før du installerer dette produktet. Antes de instalar este produto, leia as Informações sobre Segurança. © Copyright Lenovo 2021, 2025...

  • Page 6: Safety Inspection Checklist

    Safety of Electronic Equipment within the Field of Audio/Video, Information Technology and Communication Technology. Lenovo assumes you are qualified in the servicing of equipment and trained in recognizing hazards energy levels in products. Access to the equipment is by the use of a tool, lock and key, or other means of security, and is controlled by the authority responsible for the location.
  • Page 7 Click Power ➙ Power Cables to see all line cords. • Make sure that the insulation is not frayed or worn. 3. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations.
  • Page 8 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 9: Chapter 1. Introduction

    See this topic for information about ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet. Figure 1. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet Features and specifications See this topic for features and specifications of ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet. Features Optional •...
  • Page 10 Maximal loaded shipping weight 2086 4599 Rear Door Heat eXchanger V2 (empty) One unit of extension Maximal empty rack cabinet weight Rear Door Heat eXchanger V2 (filled) Maximal deployed weight 1829 4032 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 11: Chapter 2. Rack Cabinet Components

    See this topic for components of ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet. Parts listing See this topic to learn about parts of ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet. Figure 2. Parts listing Table 3. Heavy Duty Full Depth 42U Rack Cabinet components...

  • Page 12: Neptune Dwc Rm100 In-Rack Coolant Distribution Unit (Cdu) Configuration

    DWC RM100 in-rack CDU is installed. Attention: There is some residual water remaining in the CDU secondary circuit after Lenovo manufacturing integration, test, and draining. Before filling the CDU secondary circuit and rack for the first time, be sure to flush/rinse the entire secondary loop with clean, bacteria free water (distilled or deionized preferred).
  • Page 13 Figure 4. In-rack coolant distribution layout - front view Table 4. In-rack coolant distribution layout - front view Neptune DWC RM100 in-rack CDU Chapter 2 Rack cabinet components...

  • Page 14: Rack Cabinet Options

    See this topic to learn about optional components that are supported by ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet. DWC 38 Port Rack Manifold See this topic to learn about parts of ThinkSystem Neptune® DWC 38 Port Rack Manifold. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 15 Figure 6. DWC 38 Port Rack Manifold Table 6. DWC 38 Port Rack Manifold components Manifold supply side Manifold return side Figure 7. In-row hose kit components (1.3m) Table 7. In-row hose kit components (1.3m) In-row hose supply side In-row hose return side Chapter 2 Rack cabinet components...

  • Page 16: 42U Advanced Rack Extension Kit

    Table 10. 48U in-rack connection set components In-rack connection set supply side In-rack connection set return side 42U Advanced Rack Extension Kit See this topic to learn about parts of ThinkSystem 42U Advanced Rack Extension Kit. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 17 Figure 11. 42U Advanced Rack Extension Kit Table 11. Rack extension kit components One left extension panel Four M4 x 6 mm flat head socket cap screws (for extension top cover) One right extension panel Twelve M6 x 12 mm flat head socket cap screws (for support brackets) One extension top cover Fourteen M6 x 16 mm hex head flange screws...

  • Page 18: 42U Standard Rack Extension Kit

    “Install 42U Advanced Rack Extension Kit” on page 64 “Install 42U Advanced Rack Extension Kit with RDHX” on page 42U Standard Rack Extension Kit See this topic to learn about parts of ThinkSystem 42U Standard Rack Extension Kit. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 19 Figure 13. 42U Standard Rack Extension Kit Table 13. Rack extension kit components One left extension panel Eight support bracket screws One right extension panel Four extension top cover screws Fourteen extension panel screws One extension top cover Two support brackets Specifications Table 14.

  • Page 20: Cable Management Brackets

    Figure 14. Openings on an extension panel For installation procedure, see “Install 42U Standard Rack Extension Kit” on page 116. Cable management brackets See this topic to learn about the cable management brackets. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 21 21U front cable management bracket Figure 15. 21U front cable management bracket components 21U front cable management bracket Six screws Rear cable management bracket Figure 16. Rear cable management bracket components Four screws Rear cable management bracket For installation procedure, see “Install a cable management bracket”...

  • Page 22: Power Distribution Units And Console Switches

    For a complete list of supported power distribution units, go to • Power distribution units: https://lenovopress.com/servers/options/pdu • Console switches: https://lenovopress.com/servers/options/kvm Rear Door Heat eXchanger V2 See this topic to learn about parts of ThinkSystem Rear Door Heat eXchanger V2. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 23 Figure 17. ThinkSystem Rear Door Heat eXchanger V2 components Table 15. Rear Door Heat eXchanger components Rear Door Heat eXchanger assembly Hinge kit Air-purging valve Lift handles Air-purging tool Lift handle Door latch Serial number Latch plate Lift handle Drain valve Lower air baffle Return manifold coupling Upper air baffle...
  • Page 24 100% indicates that the heat exchanger not only removed all of the heat generated by the devices but further cooled the air so that the average air temperature leaving the rack is actually lower than that entering the rack. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 25: Rear Door Heat Exchanger Support Kit

    Figure 18. Typical performance of the heat exchanger, 30 kW heat load As described in “Water specifications for the secondary cooling loop” on page 165, a given water temperature may be used only if the system that is supplying the water is able to measure the room dew point and automatically adjust the water temperature accordingly.
  • Page 26 Two latch plate screws One latch plate • Three top hinge screws • Four bottom hinge screws For installation procedure, see “Install 42U Advanced Rack Extension Kit with RDHX” on page ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 27: Chapter 3. Rack Cabinet Setup

    Follow the guidelines in this topic to make plans for the space that will contain the rack cabinet. See the following illustration for distances between various components on the bottom of the rack cabinet, and make plans accordingly. © Copyright Lenovo 2021, 2025...

  • Page 28: Unpack The Rack Cabinet

    • Space requirement: You will need minimum of 2885 mm (113.6 inch) on the rear side of the pallet to unpack the rack cabinet. • Tool requirement: You will need one sharp tool. • Forklift requirements: Note: Only the front side of the pallet is available for the forklift. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 29 Figure 22. Forklift – must be longer than 350 mm. – must be shorter than 700 mm. – must be between 1450 to 1650 mm. – Loading capacity must be larger than 3000 kg. Step 1. Cut the four straps with a sharp tool. Figure 23.
  • Page 30 Remove the top bars and side boxes. Note: One of the side cartons contains the ramps and is quite heavy. Lifting it requires two people. Figure 25. Removing the top bars and side boxes ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 31 Step 4. Release and remove the side frames. Figure 26. Removing the side frames Slightly lift and slide the six horizontal bars left to disengage their right ends from the slots on the right frame. Remove the right frame along with the three horizontal bars. Remove the left frame along with the nine horizontal bars.
  • Page 32 • Remove the two bolts with wrench for 10, 14, 5, 18, 26. • Remove the four M6 screws with wrench for 8, 9, 2 • Remove the six M10 screws with wrench for 8, 9, 2. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 33 Note: Keep at least one bolt for later use. Figure 28. Removing the rear shipping bracket Step 7. Rise each of the four leveling pads with wrench for 10, 14, 5, 18, 26 in turns until they no longer bear the weight of the rack cabinet. Figure 29.
  • Page 34 Secure the two metal plates to the ramp with the eight screws that come in a small bag attached to the plates. Figure 30. Securing the two plates to the ramp ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 35 Step 9. Secure the ramp to the pallet with one of the bolts that have been removed previously with wrench for 10, 14, 5, 18, 26. Figure 31. Securing the ramp to the pallet Step 10. Place the ramp next to the cabinet front door, and slowly slide the rack cabinet down from the pallet to the designated location.

  • Page 36: Install The Baying Kit

    Extend each of the four leveling pads in turns until they firmly contact the floor and support the rack cabinet. Make sure the cabinet is balanced by gently pushing the cabinet. If it tilts, adjust the length of the leveling pads until the cabinet is well balanced. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 37 Figure 33. Lowering the leveling pads Step 2. Remove the outrigger stabilizing bars, and remove them. Figure 34. Removing the outrigger stabilizing bars Remove the eight screws that secure the two bars to the rack cabinet. Place the two stabilizing bars on the ground, and remove the bars. Step 3.
  • Page 38 Figure 35. Removing the outriggers Step 4. Remove the front and rear doors of every rack cabinet that is to be part of the suite. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 39 Figure 36. Removing a door Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged. Remove the door from the rack cabinet frame. Step 5. (Optional) Remove all the sides covers that will contact each other in the suite. Chapter 3 Rack cabinet setup...
  • Page 40 Install four cage nuts on upper and lower locations on the side of adjacent cabinets as preparation for baying kit installation. Use the cage nuts that come with the baying kit. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 41 Figure 38. Installing the cage nuts “Install nuts on the mounting flanges” on page 147 for details. Step 8. Align the four screw holes of two attachment brackets with the holes in the adjacent cabinets, and secure each bracket to the racks with four screws. Note: Do not fully tighten the screws on the first bracket until securing the second bracket.
  • Page 42 Then, proceed with the actual extension kit installation procedure. See “Install 42U Standard Rack Extension Kit” on page 116. Figure 40. Removing screws to prepare for extension installation ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 43: Install The Front Stabilizer And Recirculation Prevention Plate

    Otherwise, reinstall all the doors that have been removed. Figure 41. Installing a door Align the door with the hinges, and hold the door in place. Push the hinge pins down to the closed position so that the door is secured. Install the front stabilizer and recirculation prevention plate See this topic to learn how to enhance rack cabinet balance with the front stabilizer.
  • Page 44 Step 3. Secure the stabilizer to the floor with two screws. Figure 43. Securing the stabilizer to the floor Front Rear Figure 44. Rack cabinet with stabilizer installed ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 45: Install Dwc 38 Port Rack Manifold (In-Rack System)

    Install DWC 38 Port Rack Manifold (in-rack system) Use this information to install the manifold in an in-rack direct water cooling system. CAUTION: The coolant might cause irritation to the skin and eyes. Avoid direct contact with the coolant. S002 CAUTION: The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device.
  • Page 46 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 47 Chapter 3 Rack cabinet setup...
  • Page 48 Make sure that the in-rack CDU and other devices are not powered on, and that all external cables are disconnected. Step 2. Install the server into the rack. Step 3. Install the manifold. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 49 Figure 45. Installing the manifold Hold the manifold with both hands, and mount it onto the rack cabinet. Align the spools with holes, and clutch the cabinet. Step 4. Repeat the last step to install the other manifold. Step 5. Install ball valves to CDU.
  • Page 50 Close the clamp. Lift the screw upright. Tighten the screw and make sure that it is secured. Step 6. Install the connection set to manifolds. Figure 47. Installing the connection set ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 51 17 mm wrench Connect the connection set to both manifolds. Wrap the interface around with the clamp. Close the clamp. Lift the screw upright. Tighten the screw and make sure that it is secured. Step 7. Install the connection set to ball valves. Figure 48.
  • Page 52 • For more operation and maintenance guidelines, see Lenovo Neptune DWC RM100 in-rack Coolant Distribution Unit (CDU) Operation & Maintenance Guide. • For service support, associated warranty and maintenance sizing, contact Lenovo Professional Services team at cdusupport@lenovo.com. Step 9. Install the quick connect plug to the manifolds.
  • Page 53 Remove the rubber quick connect plug covers from the ports on the manifold. Connect the plug to the manifold port. Step 10. Install the bleeder kit to the manifold supply side. Figure 52. Installing the bleeder kit to the supply side Remove the rubber quick connect plug covers from the ports on the manifold.
  • Page 54 Step 12. Slowly open the bleeder valve to conduct the air out of the hose. Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. Figure 54. Opening the bleeder valve on the supply side ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 55 Step 13. Install the bleeder kit to the manifold return side. Figure 55. Installing the bleeder kit on the return side Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 14.
  • Page 56 Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 57: Install Dwc 38 Port Rack Manifold (In-Row System)

    Figure 57. Opening the bleeder valve on the supply side Step 16. Once completed, pay close attention to the front display of CDU and maintain the system pressure at one bar. For more information about coolant temperature and system pressure requirements, see the water requirement section for your server.
  • Page 58 CAUTION: Sharp edges, corners, or joints nearby. S038 CAUTION: Eye protection should be worn for this procedure. S040 CAUTION: Protective gloves should be worn for this procedure. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 59 Chapter 3 Rack cabinet setup...
  • Page 60 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 61 Attention: • Ensure proper handling procedures are followed when working with any chemically treated coolant used in the rack cooling system. Ensure that material safety data sheets (MSDS) and safety information are provided by the coolant chemical treatment supplier and that proper personal protective equipment (PPE) is available as recommended by the coolant chemical treatment supplier.
  • Page 62 Repeat the last step to install the other manifold. Step 4. Install the quick connect plug to the manifolds. Note: Depending on the model, your server might look different from the illustrations in this topic. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 63 Figure 59. Installing the quick connect plug Remove the rubber quick connect plug covers from the ports on the manifold. Connect the plug to the manifold port. Step 5. Install the hose kit to the manifold. Chapter 3 Rack cabinet setup...
  • Page 64 Wrap the interface around with the clamp. Close the clamp. Lift the screw upright. Tighten the screw and make sure that it is secured. Step 6. Install the bleeder kit to the manifold supply side. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 65 Figure 61. Installing the bleeder kit to the supply side Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 7. To push the air out of the manifold supply side, connect facility supply to manifold return. Chapter 3 Rack cabinet setup...
  • Page 66 Slowly open the bleeder valve to conduct the air out of the hose. Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 67 Figure 63. Opening the bleeder valve on the supply side Step 9. Install the bleeder kit to the manifold return side. Chapter 3 Rack cabinet setup...
  • Page 68 Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 10. To push the air out of the manifold return side, connect facility supply to manifold supply. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 69 Figure 65. Facility supply to manifold supply Press the button on the ball valve switch. Rotate both switches open and stop at around 1/4 of 90 degrees. Attention: • Open the ball valves on manifold supply side and facility supply side, while keep manifold return side closed.
  • Page 70 Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 71 Figure 67. Opening the bleeder valve on the supply side Step 13. Once completed, connect the supply and return of manifold and facility correspondingly. Fully open all connections on both supply and return sides. Figure 68. Opening ball valves Note: Manifold supply connects to facility Manifold return connects to...

  • Page 72: Install Rack Extension Kit

    – One Nut-driver with holding hex bit 10 mm to tighten the M6 screws ( in the next bullet point) – One 2.5 mm Hex bit socket to tighten the M4 screws ( in the next bullet point) ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 73 – One 3 mm Hex bit socket to tighten the M5 screws (PDU/manifold brackets, opening covers on the extension panels) – One 4 mm Hex bit socket to tighten the M6 screws ( in the next bullet point) • The extension kit comes with a miscellaneous bag, which contains the following components: Figure 70.
  • Page 74 Figure 71. Hex Allen wrenches Description Hex Allen wrench, 4 mm Hex Allen wrench, 3 mm Hex Allen wrench, 2.5 mm Procedure Step 1. Remove the door. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 75 Figure 72. Removing a door Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged. Remove the door from the rack cabinet frame. Step 2. Remove the two hinges and the two doorstops. Chapter 3 Rack cabinet setup...
  • Page 76 Remove the door latch. Figure 74. Removing the door latch Step 4. Install fourteen M6 cage nuts to the rack frame with cage nut insertion tool or a flat-blade screwdriver. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 77 Figure 75. Cage nut installation location With cage nut insertion tool Insert one edge of the cage nut into the target mounting flange hole, and hook the other edge with the insertion tool through the flange hole. Rotate and pull the tool to force the other nut edge into the flange hole, and thus secure the nut.
  • Page 78 Note: If baying kit has been installed previously, make sure to remove the two screws from top and bottom of the cabinet first. Then, secure the screws through the panel and the baying kit. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 79 Figure 78. Installing the extension panels Step 6. Align the extension top cover with the screw holes on the extension panels, and secure it with six screws. Chapter 3 Rack cabinet setup...
  • Page 80 Figure 79. Installing the extension top cover Step 7. Depending on the requirements, remove the filler(s) from the extension panels to route cables. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 81 Figure 80. Removing the fillers Loosen the screws that secure the filler to the extension panel. Remove the filler. Step 8. If there is a plan to install 0U PDU to the extension panel, complete the following steps. Depending on the requirements, select the corresponding installation procedures. •...
  • Page 82 – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 83 Figure 82. Replacing the screws Remove the M6 hex head flange screw. Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with four screws. Chapter 3 Rack cabinet setup...
  • Page 84 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. Choose the left or right slot for PDU installation based on the requirements. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 85 Figure 84. Installing the PDU Note: PDU can be rotated 180 degrees for installation with the input cable at the bottom. • L-shaped bracket (up to two PDUs, or one PDU and one manifold) Notes: – Below illustration shows the locations for installing the brackets. Chapter 3 Rack cabinet setup...
  • Page 86 – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 87 Figure 86. Replacing the screw Remove the M6 hex head flange screw. Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with three screws. Choose the installation location for the bracket based on the orientation of the PDU. Chapter 3 Rack cabinet setup...
  • Page 88 Figure 87. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 89 Figure 88. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. Chapter 3 Rack cabinet setup...
  • Page 90 Figure 89. Installing the PDU with the PDU facing the front of the rack cabinet ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 91 Figure 90. Installing the PDU with PDU facing the rear of the rack cabinet Step 9. Depending on the requirements, select one of the following methods to ensure there is sufficient space for routing cables. • Slide the brush panel Chapter 3 Rack cabinet setup...
  • Page 92 Slide the baffle and brush panel toward the center of the top cover. Tighten the two screws to secure the baffle. • Remove the brush panel Figure 92. Removing the brush panel ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 93 Loosen the two screws to remove the brush panel from the top cover. • Remove the brush panel and baffle Figure 93. Removing the brush panel and baffle Loosen the two screws to remove the brush panel and baffle from the top cover. Step 10.
  • Page 94 Step 11. If the rack needs to be shipped, install the three support brackets. Note: Depending on the requirement, remove the support brackets upon arrival at the site. Figure 95. Installing the support brackets ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 95: Install 42U Advanced Rack Extension Kit With Rdhx

    Step 12. Install the door back to the rack. Figure 96. Installing the door Align the door with the hinges, and hold the door in place. Push the hinge pins down to the closed position so that the door is secured. Install 42U Advanced Rack Extension Kit with RDHX See this topic to learn how to install 42U Advanced Rack Extension Kit and RDHX.
  • Page 96 – One 4 mm Hex bit socket to tighten the M6 screws ( in the next bullet point) • The extension kit comes with a miscellaneous bag, which contains the following components: ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 97 Figure 98. Parts Description Quantity Description Quantity M6 x 16 mm hex head flange Left extension panel screw Latch plate Top hinge for RDHX 1, 2, 3 Support bracket Cable strap module M6 x 16 mm flat head Grounding plate socket cap screw M4 x 6 mm flat head socket Bottom hinge for...
  • Page 98 Figure 99. Hex Allen wrenches Description Hex Allen wrench, 4 mm Hex Allen wrench, 3 mm Hex Allen wrench, 2.5 mm Procedure Step 1. Remove the door. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 99 Figure 100. Removing a door Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged. Remove the door from the rack cabinet frame. Step 2. Remove the two hinges and the two doorstops. Chapter 3 Rack cabinet setup...
  • Page 100 Remove the door latch. Figure 102. Removing the door latch Step 4. Install fourteen M6 cage nuts to the rack frame with cage nut insertion tool or a flat-blade screwdriver. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 101 Figure 103. Cage nut installation location With cage nut insertion tool Insert one edge of the cage nut into the target mounting flange hole, and hook the other edge with the insertion tool through the flange hole. Rotate and pull the tool to force the other nut edge into the flange hole, and thus secure the nut.
  • Page 102 • If baying kit has been installed previously, make sure to remove the two screws from top and bottom of the cabinet first. Then, secure the screws through the panel and the baying kit. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 103 Figure 107. Installing the extension panels Step 7. Align the extension top cover with the screw holes on the extension panels, and secure it with six screws. Chapter 3 Rack cabinet setup...
  • Page 104 Figure 108. Installing the extension top cover Step 8. Depending on the requirements, remove the filler(s) from the extension panels to route cables. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 105 Figure 109. Removing the fillers Loosen the screws that secure the filler to the extension panel. Remove the filler. Step 9. If there is a plan to install 0U PDU to the extension panel, complete the following steps. Depending on the requirements, select the corresponding installation procedures. •...
  • Page 106 – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 107 Figure 111. Replacing the screws Remove the M6 hex head flange screw. Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with four screws. Chapter 3 Rack cabinet setup...
  • Page 108 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. Choose the left or right slot for PDU installation based on the requirements. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 109 Figure 113. Installing the PDU Note: PDU can be rotated 180 degrees for installation with the input cable at the bottom. • L-shaped bracket (up to two PDUs, or one PDU and one manifold) Notes: – Below illustration shows the locations for installing the brackets. Chapter 3 Rack cabinet setup...
  • Page 110 – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 111 Figure 115. Replacing the screw Remove the M6 hex head flange screw. Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with three screws. Choose the installation location for the bracket based on the orientation of the PDU. Chapter 3 Rack cabinet setup...
  • Page 112 Figure 116. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 113 Figure 117. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. Chapter 3 Rack cabinet setup...
  • Page 114 Figure 118. Installing the PDU with the PDU facing the front of the rack cabinet ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 115 Figure 119. Installing the PDU with PDU facing the rear of the rack cabinet Step 10. Depending on the requirements, select one of the following methods to ensure there is sufficient space for routing cables. • Slide the brush panel Chapter 3 Rack cabinet setup...
  • Page 116 Slide the baffle and brush panel toward the center of the top cover. Tighten the two screws to secure the baffle. • Remove the brush panel Figure 121. Removing the brush panel ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 117 Loosen the two screws to remove the brush panel from the top cover. • Remove the brush panel and baffle Figure 122. Removing the brush panel and baffle Loosen the two screws to remove the brush panel and baffle from the top cover. Step 11.
  • Page 118 Figure 123. Installing the latch plate Step 12. Remove the two doorstops from the right extension panel. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 119 Figure 124. Removing the doorstops Step 13. Secure the bottom hinge to the right extension panel with four screws. Figure 125. Securing the bottom hinge Step 14. If the rack needs to be shipped, install the three support brackets and skip steps 15 to 20. Note: The support brackets must be removed upon arrival at the site to install the RDHX.
  • Page 120 Step 15. Face the bottom side of the carton, remove the carton top, and slit the two carton corners on your right-hand side with a knife. Then, fold the right carton panel down to the ground, and rotate the threes carton inserts down. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 121 Bottom Figure 127. Unpacking the heat exchanger Step 16. With three people, rotate the heat exchanger to vertical on the three carton inserts. Then, remove the inner and outer hose access panels while one person hold the heat exchanger. Chapter 3 Rack cabinet setup...
  • Page 122 Figure 129. Lifting the heat exchanger with three people Handles that the first person hold on to Spots that the third person hold on to Handles that the second person hold on to ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 123 Step 18. Carry the heat exchanger with three people to the cabinet frame. Align the bottom corner with the bottom hinge pin; then, lower the heat exchanger to fit the pin in. Figure 130. Installing the heat exchanger to the rack cabinet Step 19.

  • Page 124: Install 42U Standard Rack Extension Kit

    Step 4 on page 119. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 125 Figure 132. Removing screws to prepare for extension installation Procedure Step 1. Remove the door. Chapter 3 Rack cabinet setup...
  • Page 126 Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged. Remove the door from the rack cabinet frame. Step 2. Remove the two hinges and the two doorstops. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 127 Figure 134. Removing the door hinges and doorstops Step 3. Remove the door latch. Figure 135. Removing the door latch Step 4. Secure an extension panel to the side of the rack with seven screws, and repeat the step on the other extension panel.
  • Page 128 Figure 136. Installing an extension panel ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 129 Figure 137. Installing an extension panel (with baying kit) Note: If baying kit has been installed previously, make sure to remove the two screws from top and bottom of the cabinet first. Then, secure the screws through the panel and the baying kit. Step 5.
  • Page 130 Figure 138. Installing the extension top cover Step 6. Secure each of the two support brackets to the extension panels with four screws. If the extension panel screws have not been fully tightened, tighten them now. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 131 Figure 139. Installing the support brackets Step 7. Install the two hinges, two doorstops, and the door latch to the rack. Chapter 3 Rack cabinet setup...
  • Page 132 Figure 140. Install the hinges, doorstops, and door latch Step 8. Install the door back to the rack. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 133: Install 42U Standard Rack Extension Kit With Rdhx

    Figure 141. Installing the door Align the door with the hinges, and hold the door in place. Push the hinge pins down to the closed position so that the door is secured. Install 42U Standard Rack Extension Kit with RDHX See this topic to learn how to install 42U Standard Rack Extension Kit and RDHX.
  • Page 134 • A utility knife or a pair of scissors is required to unpack the extension kit. • The extension kit comes with a miscellaneous bag, which contains the following components: ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 135 Figure 143. Parts Description Description Quantity Quantity M6 cage nut Bottom support panel M6 screw M4 screw Top support panel M6 flat hex screw Right extension panel Bottom hinge for RDHX Left extension panel Top hinge for RDHX Support bracket Figure 144.
  • Page 136 Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged. Remove the door from the rack cabinet frame. Step 2. Remove the two hinges and the two doorstops. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 137 Figure 146. Removing the door hinges and extension bottom covers Step 3. Remove the door latch. Figure 147. Removing the door latch Step 4. Install fourteen M6 cage nuts to the rack frame with cage nut insertion tool or a flat-blade screwdriver.
  • Page 138 Rotate and pull the tool to force the other nut edge into the flange hole, and thus secure the nut. Figure 149. Installing cage nuts with cage nut insertion tool ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 139 With flat blade screwdriver Figure 150. Installing cage nuts with flat blade screwdriver Insert one edge of the cage nut into the target mounting flange hole. Press and compress the other nut edge with a flat-blade screwdriver, and rotate the screwdriver towards the flange hole until the nut edge goes in the hole.
  • Page 140 Figure 151. Installing an extension panel Step 6. Loosely tighten the four screws to secure the extension top cover to the panels loosely. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 141 Figure 152. Installing the extension top cover Note: After this step, the extension top cover should be active and could be slightly moved around. Step 7. If there is a plan to install RDHX, install the bottom hinge now. Otherwise, tighten all the screws installed in previous steps, and go on with installing the door (see “Install a door”...
  • Page 142 Step 10. Face the bottom side of the carton, remove the carton top, and slit the two carton corners on your right-hand side with a knife. Then, fold the right carton panel down to the ground, and rotate the threes carton inserts down. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 143 Bottom Figure 155. Unpacking the heat exchanger Step 11. With three people, rotate the heat exchanger to vertical on the three carton inserts. Then, remove the inner and outer hose access panels while one person hold the heat exchanger. Chapter 3 Rack cabinet setup...
  • Page 144 Figure 157. Lifting the heat exchanger with three people Handles that the first person hold on to Spots that the third person hold on to Handles that the second person hold on to ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 145 Step 13. Carry the heat exchanger with three people to the cabinet frame. Align the bottom corner with the bottom hinge pin on the rack cabinet; then, lower the heat exchanger to fit the pin in. Figure 158. Installing the heat exchanger to the rack cabinet Step 14.

  • Page 146: Install Insulation Foams On-Site

    Figure 159. Installing the top hinge Install insulation foams on-site See this topic to learn how to install insulation foams on-site. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 147: Gap Sealing Foam

    Insulation foam dimensions: • Gap sealing foam: 1,500 x 30 x 1.5 † • Rear foam: 550 x 330 x 38 mm • Rear foam: 485 x 30 x 25.4 mm • Ground foams: 600 x 300 x 68 • Rear extension foam: 535 x 182 x 136 ‡...

  • Page 148: 3 Rear Foams

    ) to the rear side of the rack cabinet as illustrated. Figure 161. Installing the rear foam Step 2. Peel off the liner, and attach the foam ( ) to the rear side of the rack cabinet as illustrated. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 149: 5 Ground Foams

    Figure 162. Installing the rear foam Ground foams Step 1. Insert the foam ( ) into the rear bottom of the rack cabinet. Step 2. Insert the foam ( ) into the rear bottom of the rack cabinet until it connects to the other one. Figure 163.

  • Page 150: Extension Foam

    Step 2. Center align the three foams with the extension, and attach them. Step 3. Repeat to attach the foams to the other three extensions. Figure 165. Installing extension foam ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 151: Extension Sealing Foam

    Extension sealing foam Step 1. Unlock and open the door. Step 2. Remove the door. Figure 166. Removing a door Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged.
  • Page 152 Center align the foam with the folded edge of the right side of the rack, and attach it. Cut off the foam with a sharp tool where the guide pins are installed. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 153 Figure 168. Installing the extension sealing foam to the right side of the rack Step 5. Install the foam to the extension top cover and bottom cover. Align the foam with the folded edge of the extension top cover, and attach it. Cut off the excess foam with a sharp tool.
  • Page 154 Figure 169. Installing the extension sealing foam to the extension top cover and bottom cover Step 6. Install the door. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 155: Install Nuts On The Mounting Flanges

    Figure 170. Installing a door Align the door with the hinges, and hold the door in place. Push the hinge pins down to the closed position so that the door is secured. Install nuts on the mounting flanges See this topic to learn how to adjust mounting flange holes with various types of nuts. Install clip nuts Procedure Step 1.

  • Page 156: Install Cage Nuts With A Flat-Blade Screwdriver

    Release the screwdriver to secure the nut in the mounting flange hole. Install cage nuts with insertion tool Procedure Step 1. Locate the flange hole to install the nut in. Step 2. Install the cage nut. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 157: Install The Rack Grounding Kit

    Figure 173. Installing a cage nut Insert one edge of the cage nut into the target mounting flange hole, and hook the other edge with the insertion tool through the flange hole. Rotate and pull the tool to force the other nut edge into the flange hole, and thus secure the nut.
  • Page 158 Align the bottom of the side cover with the slot on the rack cabinet; then, connect the grounding jumper wire to the posts on the rack frame and the side cover. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 159 Figure 176. Installing the grounding jumper wire Step 4. Secure the side cover to the rack cabinet. Chapter 3 Rack cabinet setup...

  • Page 160: Set Up Rear Door Heat Exchanger V2

    “Replace a regular door with Rear Door Heat eXchanger V2” on page 155. Important: Make sure to plan the cooling system with consideration of “Water specifications for the secondary cooling loop” on page 165. S010 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 161 CAUTION: Do not place any object weighing more than 82 kg (180 lb) on top of rack-mounted devices. S019 CAUTION: The power-control button on the device does not turn off the electrical current supplied to the device. The device also might have more than one connection to dc power. To remove all electrical current from the device, ensure that all connections to dc power are disconnected at the dc power input terminals.

  • Page 162: Complete Setup Of Rear Door Heat Exchanger V2 That Comes With The Rack

    The other specially trained persons must guide the rack down the ramp by holding onto the rack frame. Slowly roll the rack down the ramp until the casters are on the floor. Move the rack to the final location. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 163: Replace A Regular Door With Rear Door Heat Exchanger V2

    Figure 179. Moving the rack cabinet from the pallet After this task is completed Proceed to “Fill the heat exchanger with water” on page 175. Replace a regular door with Rear Door Heat eXchanger V2 See this topic to learn how to replace a regular rear door with ThinkSystem Rear Door Heat eXchanger V2. Procedure Step 1.
  • Page 164 Figure 180. Lowering the leveling pads Step 2. Remove the rear door from the rack cabinet. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 165 Figure 181. Removing a door Step 3. Remove the two door hinges and the two doorstops. Chapter 3 Rack cabinet setup...
  • Page 166 Figure 183. Removing the door latch Step 5. Align the holes in the latch plate with those in the two clip nuts; then, secure the latch plate in place with two M6 screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 167 Figure 184. Installing the latch plate Step 6. Install the upper air baffle. Figure 185. Installing the upper air baffle Remove the two screws that secure the rear cable access cover, and remove the cover. Align the upper air baffle with the slot, and secure it with three screws. Chapter 3 Rack cabinet setup...
  • Page 168 Align the lower air baffle to the bottom cable slot, and secure it with four screws as illustrated. Figure 187. Installing the lower air baffle Step 9. Secure the bottom hinge assembly to the rack cabinet with eight screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 169 Figure 188. Installing the bottom hinge assembly Step 10. Face the bottom side of the carton, remove the carton top, and slit the two carton corners on your right-hand side with a knife. Then, fold the right carton panel down to the ground, and rotate the threes carton inserts down.
  • Page 170 Step 11. With three people, rotate the heat exchanger to vertical on the three carton inserts. Then, remove the inner and outer hose access panels while one person hold the heat exchanger. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 171 Figure 190. Removing the hose access panels Step 12. Hold the heat exchanger with three people on the handles/spots as illustrated. Then, carefully lift the heat exchanger and turn it upright. Figure 191. Lifting the heat exchanger with three people Handles that the first person hold on to Spots that the third person hold on to Handles that the second person hold on to...
  • Page 172 Figure 192. Installing the heat exchanger to the rack cabinet Step 14. Hold the heat exchanger in place with two people. Insert the top hinge pin to the heat exchanger; then, secure the hinge with three screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 173: Water Specifications For The Secondary Cooling Loop

    Figure 193. Installing the top hinge After this task is completed Proceed to “Fill the heat exchanger with water” on page 175. Water specifications for the secondary cooling loop It is of crucial importance that water supplied to the heat exchanger meet the requirements listed in this topic.
  • Page 174 The water pressure in the secondary loop must be less than 690 kPa (100 psi). Normal operating pressure at the heat exchanger must be 414 kPa (60 psi) or less. • Flow rate ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 175 The flow rate of the water in the system must be in the range of 23 - 57 liters (6 - 15 gallons) per minute. Pressure drop versus flow rate for heat exchangers (including quick-connect couplings) is defined as approximately 103 kPa (15 psi) at 57 liters (15 gallons) per minute. •...
  • Page 176 0, flow impedance quick connects. Alternatively, these quick connects can be eliminated and replaced with a hose barb connection. Following are some examples of the most common solutions. • Primary and secondary cooling loops ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 177 Figure 194. Primary and secondary cooling loops This figure shows a typical cooling solution and identifies the components of the primary cooling loop and the secondary cooling loop. • Coolant distribution unit with a fabricated facilities solution Chapter 3 Rack cabinet setup...
  • Page 178 This figure shows an example of a facilities fabricated solution. The actual number of heat exchangers that are connected to a secondary loop depends on the capacity of the coolant distribution unit that is running the secondary loop. • Coolant distribution unit with off-the-shelf supplier solutions ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 179 Figure 196. Coolant distribution unit that uses off-the-shelf supplier solutions Notes: Supplier-built coolant distribution unit (CDU) suggested features: – Temperature and flow metering (monitoring) – Leak detection or water level sensing and shutdown – Local and remote monitoring and control –...
  • Page 180 • Use a 50.8 mm (2 in.) or larger supply pipe to provide the correct flow to three 19 mm (0.75 in.) supply hoses, with a 100 kW coolant distribution unit (CDU). ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 181 • Use a 63.5 mm (2.50 in.) or larger supply pipe to provide the correct flow to four 19 mm (0.75 in.) supply hoses, with a 120 kW CDU. • Use an 88.9 mm (3.50 in.) or larger supply pipe to provide the correct flow to nine 19 mm (0.75 in.) supply hoses, with a 300 kW CDU.
  • Page 182 • If a low impedance quick-connect coupling is used at the opposite (manifold) end of the hose, use positive locking mechanisms to prevent loss of water when the hoses are disconnected. The connections must minimize water spill and air inclusion into the system when they are disconnected. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 183: Fill The Heat Exchanger With Water

    Fill the heat exchanger with water See this topic to learn how to fill ThinkSystem Rear Door Heat eXchanger V2 with water. About this task S038 CAUTION: Eye protection should be worn for this procedure. Attention: Wear safety goggles or other eye protection whenever you fill, drain, or purge air or nitrogen from the heat exchanger.
  • Page 184 Align the supply hose coupling with the supply manifold, push it in and pull the collar backward until it locks in place with an audible click. Then, repeat the same procedure on the return hose and manifold. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 185 Figure 203. Supply and return hoses and manifold couplings • Connect the supply hose assembly ( ) to the supply manifold-coupling ( • Connect the return hose assembly ( ) to the return manifold-coupling ( Step 5. Turn on the flow of water to the heat exchanger, and let it run for several minutes. Step 6.
  • Page 186 Attention: If water drips from the air-purging valve after you remove the air-purging tool, reattach the tool and disconnect it again to seal the valve. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 187 Figure 205. Removing the air-purging tool Step 8. Install the valve cap back to the air-purging valve. Figure 206. Installing the valve cap Chapter 3 Rack cabinet setup...

  • Page 188: Install A 0/1U Device Into The Rack

    Figure 208. Installing the outer hose access panel Install a 0/1U device into the rack See this topic to learn how to install a 0/1U device into the rack side. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 189 About this task S001 DANGER Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: • Connect all power cords to a properly wired and grounded electrical outlet/source. • Connect any equipment that will be attached to this product to properly wired outlets/sources. •...

  • Page 190: Install A 0U Device

    “Install a 1U PDU or console switch to the rack side” on page 183 • “Install a 1U device into the side pocket” on page 184 Install a 0U device Procedure ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 191: Install A 1U Pdu Or Console Switch To The Rack Side

    Step 1. Insert the two PDU pegs into the keyhole slots in the side of the rack cabinet, and push down the PDU to secure it to the rack. Figure 209. Installing a 0U PDU Note: 0U PDU can be installed with sockets facing either rear or center of the rack cabinet. Install a 1U PDU or console switch to the rack side Procedure Step 1.

  • Page 192: Install A 1U Device Into The Side Pocket

    Refer to the document that comes with the device, and install the mounting brackets if necessary. Step 2. Remove the side cover next to the side pocket (see “Remove a side cover” on page 197 Step 3. Install the device. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 193 Figure 211. Installing a 1U PDU or console switch Install four M6 clip nuts on the rack flanges as shown in the illustration. Slide the device all the way into the side pocket. Secure the device with four M6 screws. Step 4.
  • Page 194 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 195: Chapter 4. Managing Cables And Hoses

    Cable access bar on the bottom of the rack cabinet When managing cables near the bottom of the rack cabinet, route the cables in the open space after removing the cable access bar, and install the bar to contain the cables. © Copyright Lenovo 2021, 2025...
  • Page 196 Cable access openings on the top of the rack cabinet Front cable access cover Rear cable access cover Figure 214. Cable access openings on the top of the cabinet Front cable access cover ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 197 Slide the cover as far forward as possible to close off the open area, thus prevent hot exhaust air from recirculating back through the rack. Rear cable access cover Slide the cover all the way open or closed, or in any intermediate position. Leaving the cover open provides extra exhaust area for components near the top and bottom of the rack;...
  • Page 198 Cable strap module Figure 216. Cable strap module Two lines of built-in cable straps along the front door frame are available for cable management. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 199 Cable access openings on extension panel There are five openings on each extension panel: • U0.5 to U1.5 • U7 to U11 • U14 to U29 • U31 to U35 • U40 to U42 Figure 217. Cable access openings on extension panel — 42U Advanced Rack Extension Kit Chapter 4 Managing cables and hoses...

  • Page 200: Routing Cables/Hoses For Water-Cooled System

    • Install filler panels over all unoccupied bays. • Route signal cables at the rear of the rack so that they enter or exit the cabinet through the top and bottom air baffles. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 201: Raised-Floor Environment

    Figure 219. Managing cables with the upper air baffle Figure 220. Managing cables with the lower air baffle • Bundle signal cables together in a rectangle so that the air-baffle sliders are closed as far as possible. Do not bundle signal cables together in a circular formation. Raised-floor environment The following illustrations show routing and securing the hoses in a raised-floor environment for individual racks and adjacent racks.
  • Page 202 200 mm (8 in.) to pass through the floor. If adjacent racks share a hole in the floor, increase the size of the hole according to the number of hoses, 50 mm (2 in.) in length for every rack. For ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 203: Raised-Floor And Non-Raised-Floor Environments

    example, the hole for one rack is 100 x 200 mm (4 x 8 in.), the hole for two racks is 150 x 200 mm (6 x 8 in.), and so on. Smaller hole sizes might also work, depending on the hose routing underneath the raised floor.
  • Page 204 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 205: Chapter 5. Hardware Removal, Installation And Reversion

    Press on the two latches on both sides of the cover to disengage it from the rack. Rotate the top of the side cover away from the rack, and remove it. Install a side cover Procedure © Copyright Lenovo 2021, 2025...
  • Page 206 Align the bottom of the side cover with the slot on the rack cabinet. Rotate the top of the cover towards the rack. Step 2. Secure the side cover to the rack cabinet. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 207: Installing, Removing, And Converting The Door

    Figure 226. Securing the side cover Note: This procedure is best executed by two people. Press and hold the latch of one side, and firmly press the upper corner in. Repeat the previous step on the other side. Lock the side cover with the key. Installing, removing, and converting the door See this topic to learn how to remove, install and convert the door Remove and install a door...
  • Page 208 Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged. Remove the door from the rack cabinet frame. Install a door Procedure Step 1. Install the door. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 209: Reverse A Door

    Figure 228. Installing a door Align the door with the hinges, and hold the door in place. Push the hinge pins down to the closed position so that the door is secured. Reverse a door See this topic to learn how to reverse a door. Procedure Step 1.
  • Page 210 Hold the door in place, and lift both hinge pins until they lock in the open position so that the door is disengaged. Remove the door from the rack cabinet frame. Step 2. Remove the two hinges and the two doorstops. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 211 Figure 230. Removing the hinges and the doorstops Step 3. Reverse the door latch. Chapter 5 Hardware removal, installation and reversion...
  • Page 212 Remove the two screws that secure the latch to the rack. Rotate the latch 180 degree, and secure it to the opposite side on the rack cabinet with two screws. Step 4. Reverse the hinge orientation ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 213 Figure 232. Reversing the hinge orientation Pull the retainer spring out to release the hinge pin from the hinge. Pull and remove the pin from the hinge. Rotate the hinge 180 degree. Insert the pin from the top of the hinge. Step 5.
  • Page 214 Figure 233. Installing hinges and doorstops Step 7. Reverse the door handle. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 215 Figure 234. Reversing the door handle Rotate the door 180 degree. Remove the screw that secures the handle to the door. Rotate the door handle 180 degree, and secure it to the door with a screw. Step 8. Install the door. Chapter 5 Hardware removal, installation and reversion...

  • Page 216: Installing And Removing Dwc 38 Port Rack Manifold

    The illustrations below present the rear views of a rack cabinet; three sets of manifolds and three sets of connection hoses. There are two labels attached to the front of the manifolds, and one label on one end of each hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 217: Remove Dwc 38 Port Rack Manifold (In-Rack System)

    Figure 236. Manifolds in a Figure 237. Manifolds in a 42U in-row system 42U in-rack system Figure 238. Manifolds in a Figure 239. Manifolds in a 48U in-row system 48U in-rack system Figure 241. 42U in-rack connection set Figure 243. 48U in-rack connection set Figure 240.
  • Page 218 S011 CAUTION: Sharp edges, corners, or joints nearby. S038 CAUTION: Eye protection should be worn for this procedure. S040 CAUTION: Protective gloves should be worn for this procedure. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 219 Chapter 5 Hardware removal, installation and reversion...
  • Page 220 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 221 Attention: • Ensure proper handling procedures are followed when working with any chemically treated coolant used in the rack cooling system. Ensure that material safety data sheets (MSDS) and safety information are provided by the coolant chemical treatment supplier and that proper personal protective equipment (PPE) is available as recommended by the coolant chemical treatment supplier.
  • Page 222 Pull the hose off. Re-install the rubber quick connect plug covers to the ports on the manifold. Step 4. Repeat Step 3 step 3 on page 214 to the other manifold. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 223 Step 5. Disengage the connection set from ball valves. Figure 246. Removing the connection set Rotate the ball valve to the left. Pull the connection set off from ball valve. Step 6. Remove the manifold with the connection set attached. Figure 247.
  • Page 224 Plug the bleeder kit to the manifold. Step 9. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 225 Figure 249. Opening the bleeder valve Step 10. Install the bleeder kit to the manifold return side. Note: This step drains the coolant with the help of a pressure difference inside and outside the return manifold. Chapter 5 Hardware removal, installation and reversion...
  • Page 226 Step 11. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. Figure 251. Opening the bleeder valve ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 227: Install Dwc 38 Port Rack Manifold (In-Rack System)

    Step 12. Separate the manifold from the connection set in a dry and clean work area, and keep a bucket and absorbent cloths around to collect any coolant that may drain out. Figure 252. Separating the manifold from the connection set 17 mm wrench Loosen the screw that locks the ferrule.
  • Page 228 CAUTION: Sharp edges, corners, or joints nearby. S038 CAUTION: Eye protection should be worn for this procedure. S040 CAUTION: Protective gloves should be worn for this procedure. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 229 Chapter 5 Hardware removal, installation and reversion...
  • Page 230 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 231 Attention: • Ensure proper handling procedures are followed when working with any chemically treated coolant used in the rack cooling system. Ensure that material safety data sheets (MSDS) and safety information are provided by the coolant chemical treatment supplier and that proper personal protective equipment (PPE) is available as recommended by the coolant chemical treatment supplier.
  • Page 232 Hold the manifold with both hands, and mount it onto the rack cabinet. Align the spools with holes, and clutch the cabinet. Step 4. Repeat the last step to install the other manifold. Step 5. Install ball valves to CDU. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 233 Figure 254. Installing ball valves Connect the ball valves to Supply and Return ports. Wrap the interface around with the clamp. Close the clamp. Lift the screw upright. Tighten the screw and make sure that it is secured. Step 6. Install the connection set to manifolds.
  • Page 234 Prepare the in-rack CDU. Connect the feed hose to inlet port on the front. Figure 257. The front of CDU Connect hoses to the drain port and bleeder port on the rear. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 235 • For more operation and maintenance guidelines, see Lenovo Neptune DWC RM100 in-rack Coolant Distribution Unit (CDU) Operation & Maintenance Guide. • For service support, associated warranty and maintenance sizing, contact Lenovo Professional Services team at cdusupport@lenovo.com. Step 9. Install the quick connect plug to the manifolds.
  • Page 236 Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 11. To push the air out of the manifolds, open ball valve switches to let coolant fill the system. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 237 Figure 261. Opening ball valves Press the button on the ball valve switch. Rotate the switch to fully open the valves as illustrated above. Attention: • Pay close attention to the front display of CDU and maintain the system pressure at one bar. •...
  • Page 238 Step 14. Slowly open the bleeder valve to conduct the air out of the hose. Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 239 Figure 264. Opening the bleeder valve on the return side Step 15. (For precaution) To make sure that the air inside is as little as possible, re-install the bleeder kit back to manifold supply side and do it one more time. Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose.

  • Page 240: Remove Dwc 38 Port Rack Manifold (In-Row System)

    The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. S011 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 241 CAUTION: Sharp edges, corners, or joints nearby. S038 CAUTION: Eye protection should be worn for this procedure. S040 CAUTION: Protective gloves should be worn for this procedure. Chapter 5 Hardware removal, installation and reversion...
  • Page 242 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 243 Chapter 5 Hardware removal, installation and reversion...
  • Page 244 Protective gloves and eyewear may be recommended as a precaution. • This task requires two or more people. Procedure Step 1. Close both ball valves. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 245 Figure 266. Closing ball valves Note: Manifold supply connects to facility Manifold return connects to facility return supply Press the button on the ball valve switch. Rotate the switches to close the valves as illustrated above. Step 2. Remove the quick connect plugs to separate the hoses from the manifold. Note: Depending on the model, your server might look different from the illustrations in this topic.
  • Page 246 Re-install the rubber quick connect plug covers to the ports on the manifold. Step 3. Repeat Step 2 step 2 on page 237 to the other manifold. Step 4. Remove the manifold with the hose kit attached. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 247 Figure 268. Removing the manifold Hold the manifold with both hands, and lift it upward to relocate the spools from the small openings to large ones on the rack cabinet. Remove the manifold with the hose kit attached. Step 5. Repeat Step 4 step 4 on page 238 to the other manifold.
  • Page 248 Plug the bleeder kit to the manifold. Step 7. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 249 Figure 270. Opening the bleeder valve Step 8. Install the bleeder kit to the manifold return side. Note: This step drains the coolant with the help of a pressure difference inside and outside the return manifold. Chapter 5 Hardware removal, installation and reversion...
  • Page 250 Plug the bleeder kit to the manifold. Step 9. Slowly open the bleeder valve to allow a steady stream of coolant to drain. Close the bleeder valve once coolant stops flowing. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 251 Figure 272. Opening the bleeder valve Step 10. Separate the manifold from the hose kit in a dry and clean work area, and keep a bucket and absorbent cloths around to collect any coolant that may drain out. Figure 273. Separating the manifold from the hose kit 17 mm wrench Loosen the screw that locks the ferrule.

  • Page 252: Install Dwc 38 Port Rack Manifold (In-Row System)

    S011 CAUTION: Sharp edges, corners, or joints nearby. S038 CAUTION: Eye protection should be worn for this procedure. S040 CAUTION: Protective gloves should be worn for this procedure. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 253 Chapter 5 Hardware removal, installation and reversion...
  • Page 254 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 255 Attention: • Ensure proper handling procedures are followed when working with any chemically treated coolant used in the rack cooling system. Ensure that material safety data sheets (MSDS) and safety information are provided by the coolant chemical treatment supplier and that proper personal protective equipment (PPE) is available as recommended by the coolant chemical treatment supplier.
  • Page 256 Repeat the last step to install the other manifold. Step 4. Install the quick connect plug to the manifolds. Note: Depending on the model, your server might look different from the illustrations in this topic. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 257 Figure 275. Installing the quick connect plug Remove the rubber quick connect plug covers from the ports on the manifold. Connect the plug to the manifold port. Step 5. Install the hose kit to the manifold. Chapter 5 Hardware removal, installation and reversion...
  • Page 258 Wrap the interface around with the clamp. Close the clamp. Lift the screw upright. Tighten the screw and make sure that it is secured. Step 6. Install the bleeder kit to the manifold supply side. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 259 Figure 277. Installing the bleeder kit to the supply side Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 7. To push the air out of the manifold supply side, connect facility supply to manifold return. Chapter 5 Hardware removal, installation and reversion...
  • Page 260 Slowly open the bleeder valve to conduct the air out of the hose. Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 261 Figure 279. Opening the bleeder valve on the supply side Step 9. Install the bleeder kit to the manifold return side. Chapter 5 Hardware removal, installation and reversion...
  • Page 262 Remove the rubber quick connect plug covers from the ports on the manifold. Plug the bleeder kit to the manifold. Step 10. To push the air out of the manifold return side, connect facility supply to manifold supply. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 263 Figure 281. Facility supply to manifold supply Press the button on the ball valve switch. Rotate both switches open and stop at around 1/4 of 90 degrees. Attention: • Open the ball valves on manifold supply side and facility supply side, while keep manifold return side closed.
  • Page 264 Close the bleeder valve once a steady stream of water flows into the bucket or there are only minimal bubbles in the bleeder hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 265 Figure 283. Opening the bleeder valve on the supply side Step 13. Once completed, connect the supply and return of manifold and facility correspondingly. Fully open all connections on both supply and return sides. Figure 284. Opening ball valves Note: Manifold supply connects to facility Manifold return connects to...

  • Page 266: Rear Door Heat Exchanger V2 Replacement

    Attention: Wear safety goggles or other eye protection whenever you fill, drain, or purge air or nitrogen from the heat exchanger. Procedure Step 1. Lift and remove the inner hose access panel from the heat exchanger. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 267 Figure 285. Removing the inner hose access panel Step 2. Remove the screw that secures the panel if applicable, then lift and remove the panel from the heat exchanger. Figure 286. Removing the outer hose access pane Step 3. Disconnect the return and supply hose from the manifolds, and remove them from the heat exchanger.
  • Page 268 ) from the supply manifold-coupling ( • Remove the return hose assembly ( ) from the return manifold-coupling ( Step 4. Remove the caps from the air-purging and drain valve. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 269 Figure 288. Removing valve caps Step 5. Remove the extension hose from the air-purging tool. Figure 289. Removing the extension hose Step 6. Insert one end of the air-purging tool extension hose into the center of air-purging valve stem at the top of the heat exchanger to allow air to enter the manifolds.
  • Page 270 2-liter (or larger) container to catch the water. Figure 291. Draining water Step 8. When the water is drained completely, remove the air-purging-tool extension hose from the valve. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 271 Figure 292. Removing the air-purging tool extension hose Step 9. Remove the air-purging tool from the drain valve. Figure 293. Removing the air-purging tool Step 10. Install the two caps back to the air-purging and drain valve. Chapter 5 Hardware removal, installation and reversion...

  • Page 272: Remove Rear Door Heat Exchanger V2

    See this topic to learn how to remove ThinkSystem Rear Door Heat eXchanger V2. About this task S036 18 - 32 kg (39 - 70 lb) 32 - 55 kg (70 - 121 lb) CAUTION: Use safe practices when lifting. S010 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 273 CAUTION: Do not place any object weighing more than 82 kg (180 lb) on top of rack-mounted devices. S019 CAUTION: The power-control button on the device does not turn off the electrical current supplied to the device. The device also might have more than one connection to dc power. To remove all electrical current from the device, ensure that all connections to dc power are disconnected at the dc power input terminals.
  • Page 274 • Without rack extension kit installed Figure 295. Removing the top hinge Unfasten the three screws to remove the top hinge. • With 42U Advanced Rack Extension Kit installed ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 275 Figure 296. Removing the top hinge Unfasten the seven screws to remove the top hinge. • With 42U Standard Rack Extension Kit installed Figure 297. Removing the top hinge Chapter 5 Hardware removal, installation and reversion...
  • Page 276 Handles that the second person hold on to Step 4. Lift the heat exchanger with three people as described in the previous step, and remove it from the rack cabinet. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 277: Install Rear Door Heat Exchanger V2

    Figure 299. Removing the heat exchanger from the rack cabinet Install Rear Door Heat eXchanger V2 See this topic to learn how to install ThinkSystem Rear Door Heat eXchanger V2. About this task S036 18 - 32 kg (39 - 70 lb) 32 - 55 kg (70 - 121 lb) CAUTION: Use safe practices when lifting.
  • Page 278 R004 CAUTION: See the instructions in the rack documentation before you install devices, remove devices, or relocate the rack. S038 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 279 CAUTION: Eye protection should be worn for this procedure. Procedure Step 1. (With 42U Advanced Rack Extension Kit installed only) Make sure the three support brackets are removed from the extension panels. Figure 300. Removing the support brackets Step 2. Face the bottom side of the carton, remove the carton top, and slit the two carton corners on your right-hand side with a knife.
  • Page 280 With three people, rotate the heat exchanger to vertical on the three carton inserts. Then, remove the inner and outer hose access panels while one person hold the heat exchanger. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 281 Figure 302. Removing the hose access panels Step 4. Hold the heat exchanger with three people on the handles/spots as illustrated. Then, carefully lift the heat exchanger and turn it upright. Figure 303. Lifting the heat exchanger with three people Handles that the first person hold on to Spots that the third person hold on to Handles that the second person hold on to...
  • Page 282 Step 6. Hold the heat exchanger in place with two people, and install the top hingeDepending on the configuration, select the corresponding installation procedures: • Without rack extension kit installed ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 283 Figure 305. Installing the top hinge Insert the top hinge pin to the heat exchanger; then, secure the hinge with three screws. • With 42U Advanced Rack Extension Kit installed Chapter 5 Hardware removal, installation and reversion...
  • Page 284 Insert the top hinge pin to the heat exchanger; then, secure the hinge with seven screws. • With 42U Standard Rack Extension Kit installed Figure 307. Installing the top hinge ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 285: Fill The Heat Exchanger With Water

    Insert the top hinge pin to the heat exchanger; then, secure the hinge with three screws. After this task is completed Proceed to “Fill the heat exchanger with water” on page 277. Fill the heat exchanger with water See this topic to learn how to fill ThinkSystem Rear Door Heat eXchanger V2 with water. About this task S038 CAUTION:...
  • Page 286 Figure 309. Removing the outer hose access panel Step 3. Purge the nitrogen that has been filled in the hose from the hose. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 287 Figure 310. Purging nitrogen Loosen and remove the cap from the air-purging valve. Press in on the valve stem of the air-purging valve to purge the nitrogen from the heat exchanger. Continue holding in the valve stem until the pressure is released. Step 4.
  • Page 288 Attention: If water drips from the air-purging valve after you remove the air-purging tool, reattach the tool and disconnect it again to seal the valve. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 289 Figure 313. Removing the air-purging tool Step 8. Install the valve cap back to the air-purging valve. Figure 314. Installing the valve cap Chapter 5 Hardware removal, installation and reversion...

  • Page 290: Replace The Door Latch

    M4 screw. Figure 316. Installing the outer hose access panel Replace the door latch See this topic to learn how to replace the door latch of Rear Door Heat eXchanger. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 291: Installing And Removing Rack Extension Kit

    Procedure Step 1. Remove the screw that secure the latch to the heat exchanger; then, secure the replacement unit with the same screw. Figure 317. Replacing the door latch Installing and removing rack extension kit The rack cabinet supports up to two units of rack extension kit. See this topic to learn how to remove and install the rack extension kit.
  • Page 292 – One 4 mm Hex bit socket to tighten the M6 screws ( in the next bullet point) • The extension kit comes with a miscellaneous bag, which contains the following components: ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 293 Figure 319. Parts Description Quantity Description Quantity Left extension panel M6 cage nut M6 x 16 mm hex head flange Support bracket screw M6 x 12 mm flat head Cable strap module socket cap screw Doorstop Grounding plate M6 x 16 mm flat head socket Door latch cap screw M4 x 6 mm flat head socket...
  • Page 294 Step 1. Install fourteen M6 cage nuts to the rack frame with cage nut insertion tool or a flat-blade screwdriver. Figure 321. Cage nut installation location With cage nut insertion tool ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 295 Insert one edge of the cage nut into the target mounting flange hole, and hook the other edge with the insertion tool through the flange hole. Rotate and pull the tool to force the other nut edge into the flange hole, and thus secure the nut. Figure 322.
  • Page 296 Figure 324. Installing the extension panels Step 3. Align the extension top cover with the screw holes on the extension panels, and secure it with six screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 297 Figure 325. Installing the extension top cover Step 4. Depending on the requirements, remove the filler(s) from the extension panels to route cables. Chapter 5 Hardware removal, installation and reversion...
  • Page 298 Depending on the requirements, select the corresponding installation procedures. • Bracket with two keyhole slots (up to two PDUs, or one PDU and one manifold) Notes: – Below illustration shows the locations for installing the brackets. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 299 Figure 327. Locations for installing the brackets with two keyhole slots – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. Chapter 5 Hardware removal, installation and reversion...
  • Page 300 Figure 328. Replacing the screws Remove the M6 hex head flange screw. Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with four screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 301 Figure 329. Installing the bracket with two keyhole slots 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. Choose the left or right slot for PDU installation based on the requirements.
  • Page 302 Note: PDU can be rotated 180 degrees for installation with the input cable at the bottom. • L-shaped bracket (up to two PDUs, or one PDU and one manifold) Notes: – Below illustration shows the locations for installing the brackets. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 303 Figure 331. Locations for installing the L-shaped brackets – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. Chapter 5 Hardware removal, installation and reversion...
  • Page 304 Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with three screws. Choose the installation location for the bracket based on the orientation of the PDU. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 305 Figure 333. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet Chapter 5 Hardware removal, installation and reversion...
  • Page 306 Figure 334. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 307 Figure 335. Installing the PDU with the PDU facing the front of the rack cabinet Chapter 5 Hardware removal, installation and reversion...
  • Page 308 Figure 336. Installing the PDU with PDU facing the rear of the rack cabinet Step 6. Depending on the requirements, select one of the following methods to ensure there is sufficient space for routing cables. • Slide the brush panel ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 309 Figure 337. Sliding the brush panel Loosen the two screws that secure the baffle to the top cover. Slide the baffle and brush panel toward the center of the top cover. Tighten the two screws to secure the baffle. • Remove the brush panel Figure 338.
  • Page 310 Loosen the two screws to remove the brush panel and baffle from the top cover. Step 7. Install the two door hinges and the door latch to the extension panels. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 311 Figure 340. Installing the door hinges and door latch Step 8. If the rack needs to be shipped, install the three support brackets. Note: Depending on the requirement, remove the support brackets upon arrival at the site. Figure 341. Installing the support brackets Chapter 5 Hardware removal, installation and reversion...

  • Page 312: Remove 42U Advanced Rack Extension Kit

    If any devices are installed to the extension panels, remove them (see “Remove a 0U PDU” on page 349). Step 3. Unfasten the six screws, and remove the extension top cover. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 313 Figure 343. Removing the extension top cover Step 4. Unfasten the fourteen screws, and remove the two extension panels. Chapter 5 Hardware removal, installation and reversion...

  • Page 314: Install 42U Advanced Rack Extension Kit With Rdhx

    Step 2 on page 310. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 315 Figure 345. Removing screws to prepare for extension installation • Required tools – One tool with plastic blade/scissors to open the packaging – One rubber hammer to align the extension panels with the side of the rack – One Screwdriver with No. 3 Phillips bit to tighten the M6 screws ( in the next bullet point) –...
  • Page 316 Cable straps are removable, remove the straps from the extension panels if needed. – Cable straps can be lengthened by connecting two or more straps together. – Use cable straps to secure PDUs and manifolds prior to shipping. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 317 – Connect one end of the grounding wire to the grounding plate on the extension panel and the other end to the nearest grounding plate on the rack. Figure 347. Hex Allen wrenches Description Hex Allen wrench, 4 mm Hex Allen wrench, 3 mm Hex Allen wrench, 2.5 mm Procedure Step 1.
  • Page 318 Release the screwdriver to secure the nut in the mounting flange hole. Step 2. Install the bottom hinge. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 319 Figure 351. Securing the bottom hinge Note: Do not fully tighten the four screws in this step. Align the hinge with the rack. Secure the hinge to the rack with four screws. Step 3. Secure the two extension panels to the rack with fourteen screws. Notes: •...
  • Page 320 Figure 352. Installing the extension panels Step 4. Align the extension top cover with the screw holes on the extension panels, and secure it with six screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 321 Figure 353. Installing the extension top cover Step 5. Depending on the requirements, remove the filler(s) from the extension panels to route cables. Chapter 5 Hardware removal, installation and reversion...
  • Page 322 Depending on the requirements, select the corresponding installation procedures. • Bracket with two keyhole slots (up to two PDUs, or one PDU and one manifold) Notes: – Below illustration shows the locations for installing the brackets. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 323 Figure 355. Locations for installing the brackets with two keyhole slots – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. Chapter 5 Hardware removal, installation and reversion...
  • Page 324 Figure 356. Replacing the screws Remove the M6 hex head flange screw. Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with four screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 325 Figure 357. Installing the bracket with two keyhole slots 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. Choose the left or right slot for PDU installation based on the requirements.
  • Page 326 Note: PDU can be rotated 180 degrees for installation with the input cable at the bottom. • L-shaped bracket (up to two PDUs, or one PDU and one manifold) Notes: – Below illustration shows the locations for installing the brackets. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 327 Figure 359. Locations for installing the L-shaped brackets – If one or two brackets are installed in the locations indicated in the illustration below, the M6 hex head flange screw must be replaced with an M6 round head flange screw. Chapter 5 Hardware removal, installation and reversion...
  • Page 328 Install the M6 round head flange screw. 1. Align the bracket with the extension panel, and secure it with three screws. Choose the installation location for the bracket based on the orientation of the PDU. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 329 Figure 361. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet Chapter 5 Hardware removal, installation and reversion...
  • Page 330 Figure 362. Installing the L-shaped bracket with the PDU facing the front of the rack cabinet 2. Insert the two PDU pegs into the keyhole slots on the brackets, and push down the PDU to secure it to the brackets. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 331 Figure 363. Installing the PDU with the PDU facing the front of the rack cabinet Chapter 5 Hardware removal, installation and reversion...
  • Page 332 Figure 364. Installing the PDU with PDU facing the rear of the rack cabinet Step 7. Depending on the requirements, select one of the following methods to ensure there is sufficient space for routing cables. • Slide the brush panel ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 333 Figure 365. Sliding the brush panel Loosen the two screws that secure the baffle to the top cover. Slide the baffle and brush panel toward the center of the top cover. Tighten the two screws to secure the baffle. • Remove the brush panel Figure 366.
  • Page 334 Loosen the two screws to remove the brush panel and baffle from the top cover. Step 8. Tighten the two screws to secure the latch plate to the left extension panel. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 335 Figure 368. Installing the latch plate Step 9. Remove the two doorstops from the right extension panel. Chapter 5 Hardware removal, installation and reversion...
  • Page 336 Step 11. If the rack needs to be shipped, install the three support brackets and skip steps 12 to 17. Note: The support brackets must be removed upon arrival at the site to install the RDHX. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 337 Figure 371. Installing the support brackets Step 12. Face the bottom side of the carton, remove the carton top, and slit the two carton corners on your right-hand side with a knife. Then, fold the right carton panel down to the ground, and rotate the threes carton inserts down.
  • Page 338 Step 13. With three people, rotate the heat exchanger to vertical on the three carton inserts. Then, remove the inner and outer hose access panels while one person hold the heat exchanger. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 339 Figure 373. Removing the hose access panels Step 14. Hold the heat exchanger with three people on the handles/spots as illustrated. Then, carefully lift the heat exchanger and turn it upright. Figure 374. Lifting the heat exchanger with three people Handles that the first person hold on to Spots that the third person hold on to Handles that the second person hold on to...
  • Page 340 Step 16. Hold the heat exchanger in place with two people. Insert the top hinge pin to the heat exchanger; then, secure the hinge with seven screws. Note: Do not fully tighten the seven screws in this step. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 341: Remove 42U Advanced Rack Extension Kit With Rdhx

    Figure 376. Installing the top hinge Step 17. Follow the sequence below to fully tighten the screws. Note: Hold the handles on the heat exchanger and slightly lift it in steps 17-a to 17-c. 1. Four top hinge screws on the right side in Step 16 Step 16 on page 332 2.
  • Page 342 Step 4. Unfasten the six screws, and remove the extension top cover. Figure 378. Removing the extension top cover Step 5. Unfasten the fourteen screws, and remove the two extension panels. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 343 Figure 379. Removing the extension panels Step 6. Remove the bottom hinge. Figure 380. Removing the bottom hinge Loosen the four screws from the hinge. Chapter 5 Hardware removal, installation and reversion...

  • Page 344: Install 42U Standard Rack Extension Kit

    Secure an extension panel to the side of the rack with seven screws, and repeat the step on the other extension panel. Note: It is advised not to fully tighten the screws in this step. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 345 Figure 382. Installing an extension panel Chapter 5 Hardware removal, installation and reversion...
  • Page 346 Then, secure the screws through the panel and the baying kit. Step 2. Align the extension top cover with the screw holes on the front of the rack, and secure each side with two screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 347 Figure 384. Installing the extension top cover Step 3. Secure each of the two support brackets to the extension panels with four screws. If the extension panel screws have not been fully tightened, tighten them now. Chapter 5 Hardware removal, installation and reversion...
  • Page 348 Figure 385. Installing the support brackets Step 4. Install the two hinges, two doorstops, and the door latch to the rack. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 349 Figure 386. Install the hinges, doorstops, and door latch Step 5. Install the door back to the rack. Chapter 5 Hardware removal, installation and reversion...

  • Page 350: Remove 42U Standard Rack Extension Kit

    Step 2. Remove the door from the rack cabinet (see “Remove a door” on page 199). Step 3. Remove the two hinges, two door stops, and the door latch if necessary. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 351 Figure 388. Removing the door hinges, doorstops and latch Step 4. Remove the four screws that secure each of the two support brackets, and remove the support brackets. Chapter 5 Hardware removal, installation and reversion...
  • Page 352 Figure 389. Removing the support brackets Step 5. Remove the four screws that secure the top cover, and remove the cover. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 353 Figure 390. Removing the extension top cover Step 6. Remove the seven screws that secure the extension panel, and repeat the step on the other extension panel. Chapter 5 Hardware removal, installation and reversion...
  • Page 354 Figure 391. Installing an extension panel After this task is completed Complete the following steps to install the door back to the rack if necessary. 1. Install the door latch. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 355 Figure 392. Installing the door latch 2. Install the two hinges and the two doorstops. Figure 393. Installing the hinges and doorstops 3. Install the door. Chapter 5 Hardware removal, installation and reversion...

  • Page 356: Installing And Removing Power Distribution Units Or Switches

    Procedure Step 1. Insert the two PDU pegs into the keyhole slots in the side of the rack cabinet, and push down the PDU to secure it to the rack. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 357 Figure 395. Installing a 0U PDU Note: 0U PDU can be installed with sockets facing either rear or center of the rack cabinet. Remove a 0U PDU Procedure Step 1. Lift the PDU to detach it from the rack, and remove it. Chapter 5 Hardware removal, installation and reversion...

  • Page 358: Install Or Remove A 1U Device Into Or From The Rack Side

    Install or remove a 1U device into or from the rack side See this topic to learn how to install or remove a 1U device into or from the rack side. About this task S001 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 359 DANGER Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: • Connect all power cords to a properly wired and grounded electrical outlet/source. • Connect any equipment that will be attached to this product to properly wired outlets/sources. •...
  • Page 360 Refer to the document that comes with the device, and install the mounting brackets if necessary. Step 2. Align the mounting brackets with the holes in the rack flange, and secure it with four sets of screw and nut. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 361 Figure 397. Installing a 1U device into the rack side Remove a 1U PDU or console switch from the rack side Procedure Step 1. Remove the four screws and nuts that secure the device, and remove the device. Chapter 5 Hardware removal, installation and reversion...

  • Page 362: Installing And Removing A 1U Device In/From The Side Pocket

    Refer to the document that comes with the device, and install the mounting brackets if necessary. Step 2. Remove the side cover next to the side pocket (see “Remove a side cover” on page 197 Step 3. Install the device. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 363 Figure 399. Installing a 1U PDU or console switch Install four M6 clip nuts on the rack flanges as shown in the illustration. Slide the device all the way into the side pocket. Secure the device with four M6 screws. Step 4.

  • Page 364: Install And Remove The Outriggers

    Notes: To maintain balance of the rack cabinet, do not remove the outriggers except the following situations: • when two or more rack cabinets are connected with the baying kit. • when the rack cabinet is secured to the floor with stabilizer. Procedure ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 365 Step 1. Extend each of the four leveling pads in turns until they firmly contact the floor and support the rack cabinet. Make sure the cabinet is balanced by gently pushing the cabinet. If it tilts, adjust the length of the leveling pads until the cabinet is well balanced. Figure 401.

  • Page 366: Install The Outriggers

    Extend each of the four leveling pads in turns until they firmly contact the floor and support the rack cabinet. Make sure the cabinet is balanced by gently pushing the cabinet. If it tilts, adjust the length of the leveling pads until the cabinet is well balanced. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 367 Figure 404. Lowering the leveling pads Step 2. Secure each of the outriggers with four screws. Figure 405. Installing the outriggers Step 3. Install the outrigger stabilizing bars. Chapter 5 Hardware removal, installation and reversion...

  • Page 368: Installing And Removing Cable Management Brackets

    See this topic to learn how to remove and install the cable management brackets. Remove a cable management bracket See this topic to learn how to remove a cable management bracket. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 369 Remove a 21U front cable management bracket Procedure Step 1. Open the front door, and release all the cables that are secured by the cable straps on the bracket. Step 2. Remove the six screws that secure the front cable management bracket, and remove the clip nuts. Figure 408.

  • Page 370: Install A Cable Management Bracket

    See this topic to learn how to install cable management brackets. Install a 21U front cable management bracket Procedure Step 1. Install six clip nuts, and secure the front cable management bracket with six screws. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...
  • Page 371 Figure 410. Installing a 21U front cable management bracket Install a rear cable management bracket Procedure Step 1. Secure the rear cable management bracket to the side pocket with four screws. Chapter 5 Hardware removal, installation and reversion...
  • Page 372 Figure 411. Installing a rear cable management bracket ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 373: Appendix A. Getting Help And Technical Assistance

    Gathering information needed to call Support If you believe that you require warranty service for your Lenovo product, the service technicians will be able to assist you more efficiently if you prepare before you call. You can also see http:// datacentersupport.lenovo.com/warrantylookup...

  • Page 374: Contacting Support

    Electronic Service Request. Submitting an Electronic Service Request will start the process of determining a solution to your problem by making the pertinent information available to the service technicians. The Lenovo service technicians can start working on your solution as soon as you have completed and submitted an Electronic Service Request.

  • Page 375: Appendix B. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 376: Trademarks

    Internet Explorer, Microsoft, and Windows are trademarks of the Microsoft group of companies. Linux is a registered trademark of Linus Torvalds. All other trademarks are the property of their respective owners. © 2018 Lenovo. ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

  • Page 377: Index

    Getting help telephone numbers ThinkSystem Rear Door Heat eXchanger V2 hardware service and support telephone numbers trademarks help notices © Copyright Lenovo 2021, 2025...
  • Page 378 ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide...

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