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IBM Rear Door Heat eXchanger V2 Installation And Maintenance Manual

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Rear Door Heat eXchanger V2
Type 1756
Installation and Maintenance Guide

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  Summary of Contents for IBM Rear Door Heat eXchanger V2

  • Page 1 Rear Door Heat eXchanger V2 Type 1756 Installation and Maintenance Guide...
  • Page 3 Rear Door Heat eXchanger V2 Type 1756 Installation and Maintenance Guide...
  • Page 4 Note: Before using this information and the product it supports, read the general information in Appendix B, “Notices,” on page 81, the Rack Safety Information and Environmental Notices and User Guide documents on the IBM Documentation CD, and the Important Notices and Warranty Information documents that comes with the product.
  • Page 5: Table Of Contents

    Chapter 1. Introduction ..... . 1 The IBM Documentation CD ....2 Hardware and software requirements .
  • Page 6 IBM Taiwan product service ....79 Appendix B. Notices ..... . 81 Trademarks .
  • Page 7: 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 IBM Corp. 2011, 2013...
  • Page 8 IBM Rack Safety Information document. For example, if a caution statement is labeled “Statement 1,” translations for that caution statement are in the IBM Rack Safety Information document under “Statement 1.” Be sure to read all caution and danger statements in this document before you perform the procedures.
  • Page 9 Statement 6: CAUTION: Do not place any object on top of a rack-mounted device unless that rack-mounted device is intended for use as a shelf. Statement 7: 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 10 Statement 12: CAUTION: See the instructions in the rack documentation before you install devices, remove devices, or relocate the rack. Statement 14: CAUTION: Goggles are needed for the procedure. (L011) viii Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 11: Chapter 1. Introduction

    The heat exchanger is a water-cooled door that is mounted on the rear of an IBM 42U 1100 mm Deep Dynamic Rack Type 9363 to cool the air that is heated and exhausted by devices inside the rack.
  • Page 12: The Ibm Documentation Cd

    Serial number Figure 1. Serial number location on the IBM Rear Door Heat eXchanger V2 Type 1756 Record information about the IBM Rear Door Heat eXchanger V2 Type 1756 in the following table. You will need this information if you need to call for service.
  • Page 13: Using The Documentation Browser

    v 100 MHz microprocessor v 32 MB of RAM v Adobe Acrobat Reader 3.0 (or later) or xpdf, which comes with Linux operating systems Using the Documentation Browser Use the Documentation Browser to browse the contents of the CD, read brief descriptions of the documents, and view documents, using Adobe Acrobat Reader or xpdf.
  • Page 14: Notices And Statements In This Document

    Notices and statements in this document The caution and danger statements in this document are also in the multilingual Rack Safety Information document, which is on the IBM Documentation CD. Each statement is numbered for reference to the corresponding statement in the Rack Safety Information document.
  • Page 15: Chapter 2. Heat Exchanger Planning, Specifications, And Requirements

    >32 kg (70.5 lb) 32-55 kg (70.5-121.2 lb) The weight of this part or unit is between 32 and 55 kg (70.5 and 121.2 lb). It takes three persons to safely lift this part or unit. (C010) © Copyright IBM Corp. 2011, 2013...
  • Page 16: Heat Exchanger Specifications

    Heat exchanger specifications The following information is a summary of the specifications of the IBM Rear Door Heat eXchanger V2, Type 1756. Table 1. Heat exchanger specifications...
  • Page 17 Attention: To help maintain optimum performance of the Rear Door Heat eXchanger and provide proper cooling for all rack components, you must always take the following precautions: v Install filler panels over all unoccupied bays. v Route signal cables at the rear of the rack so that they enter or exit the cabinet through the top and bottom air baffles.
  • Page 18 Otherwise, the water temperature must be above the maximum dew point allowed at that datacenter installation. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 19: Heat Exchanger Parts And Tools

    The following illustration shows the heat exchanger and the parts that come with it. Figure 4. The IBM Rear Door Heat eXchanger V2 Type 1756 Use the tools in the following table to install or remove a part or to attach the rear door heat exchanger.
  • Page 20: Secondary Cooling Loop Parts And Services

    Coolcentric supplies the following secondary loop parts and services to customers in North America, Europe, Middle East, Africa, and Asia Pacific: v Parts – Rear door heat exchangers (designed for non-IBM Enterprise racks) – Coolant distribution units – 3/4-inch inside diameter hose kits –...
  • Page 21: Coolant Distribution Unit Supplier

    Coolant distribution unit supplier Eaton-Williams Group Ltd supplies the following coolant distribution unit models that are designed specifically for the IBM Rear Door Heat eXchanger to customers in Europe: Floor CD6-3 80-120 kW (400 V, 480 V or 208 Vv)
  • Page 22: Water Specifications For The Secondary Cooling Loop

    Do not use any of the following materials in any part of your water-supply system: v Oxidizing biocides, such as chlorine, bromine, and chlorine dioxide v Aluminum v Brass with greater than 30% zinc v Irons (non-stainless steel) Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 23 Water-supply requirements for secondary loops This section describes specific characteristics of the system that supplies the chilled conditioned water to the heat exchanger. Temperature: The heat exchanger and its supply hose and return hoses are not insulated. Avoid any condition that might cause condensation. The temperature of the water inside the supply hose, return hose, and heat exchanger must be kept above the dew point of the location where the heat exchanger is being used.
  • Page 24 Other methods, such as inline or external flowmeters, can provide a more accurate method for setting the flow rate through the individual shutoff valves. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 25 v Design the flow loop to minimize the total pressure drop within the flow loop. The Optional Low Impedance Quick Connect feature (shown in Figure 5 on page 16 through Figure 8 on page 19) cannot be the Parker quick-connect couplings that are used on the heat exchanger because of the excessive pressure drop associated with flowing through four quick-connect pairs in series.
  • Page 26 3 pumps (conditioned water) Return Flexible hoses, maximum length Distribution 15.24 meters (50 feet) manifolds Supply Circuit setter flow control valves Shutoff valves Return Figure 5. Primary and secondary cooling loops Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 27 Figure 6 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. Pressure relief Rear door valve (based on Secondary side...
  • Page 28 - Leak detection or water level sensing and shutdown - Local and remote monitoring and control - Access port for filling and water treatment Figure 7. Coolant distribution unit that uses off-the-shelf supplier solutions Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 29 A water chiller unit is considered an acceptable alternative to use as a building chilled water source for removing heat from an IBM Rear Door Heat eXchanger. Supply Circuit setter...
  • Page 30 Figure 9 shows another layout for multiple water circuits. Figure 9. Typical central manifold (at a central location for multiple water circuits) Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 31 Figure 10 shows an extended manifold layout. Figure 10. Typical extended manifold (along aisles between racks) Flexible hoses and connections to manifolds and heat exchangers: Pipe and hose configurations can vary. You can determine the best configuration for your installation by analyzing the needs of your facilities, or a site preparation representative can provide this analysis.
  • Page 32: Installation And Support From Ibm Integrated Technology Services

    Installation and support from IBM Integrated Technology Services If you would like to procure assistance with coordinating and managing the installation and support of the IBM Rear Door Heat eXchanger V2 Type 1756, IBM can supply a focal point. Before you call, have the following information available:...
  • Page 33: Chapter 3. Special Instructions If The Heat Exchanger Comes Installed On A Rack

    Chapter 3. Special instructions if the heat exchanger comes installed on a rack To unpack a rack with a rear door heat exchanger, see the IBM 42U 1100 mm Enterprise V2 Dynamic Rack and Expansion Rack and IBM PureFlex System 42U...
  • Page 34 Slowly roll the rack down the ramp until the casters are on the floor. Move the rack to the final location. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 35 3. Move the heat exchanger latch plate to its correct position. Remove the two screws from the latch plate, orient the latch plate as shown in the illustration, and align the holes in the latch plate with the holes on the rack flange. Secure the latch plate to the rack frame with the two screws.
  • Page 36 (Optional) Secure the outer hose access panel to the heat exchanger with an M4 screw (see Figure 14). d. Reconnect power to the rack and all components; then, close and latch the heat exchanger. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 37 5. Unscrew the shipping bracket, rotate it 180°, and screw the bracket to the rear door heat exchanger. Shipping Screw bracket Figure 15. Reversing the shipping bracket Chapter 3. Special instructions if the heat exchanger comes installed on a rack...
  • Page 38 Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 39: Chapter 4. Installing The Heat Exchanger

    When you install heat exchangers on a suite of racks, secure the racks together first; then, install the heat exchangers. © Copyright IBM Corp. 2011, 2013...
  • Page 40: Installing The Heat Exchanger

    Front fixed caster Figure 16. Lowering the leveling pads 3. Remove the rack rear door. For more information, see the IBM 42U 1100 mm Deep Dynamic Rack and Deep Dynamic Expansion Rack, Type 9363 Installation Guide on the IBM Documentation CD that comes with the rack.
  • Page 41 5. Remove the cardboard top from the heat exchanger carton. Figure 17. Removing the cardboard top from the heat exchanger carton 6. Remove the parts and tools from the carton and set them near the rack. Do not unpack the heat exchanger until later in the procedure. Chapter 4.
  • Page 42 Install two M6 clip nuts on the left-side rack-mounting flange of the rack. b. Align the holes in the latch plate with the holes in the flange and clip nuts; then, secure the latch plate in place with two M6 screws. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 43 8. Remove the cable-access bar from the bottom rear of the rack. Cable-access M6 screws Figure 19. Removing the cable-access bar 9. Install the bottom hinge bracket on the rack: a. Locate the bottom hinge bracket. Screws Screws Bottom hinge bracket Figure 20.
  • Page 44 See the illustration. Do not fully tighten the screw at this time. d. Rotate the hinge bracket to the left or right so that it is temporarily out of the way. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 45 12. Using a utility knife or similar cutting tool, slit the heat exchanger carton vertically on each end of one of the long sides of the carton. See the illustration. Fold down the carton to cover the floor surface. Figure 22. Folding down the carton and placing the packing inserts evenly on the unfolded cardboard 13.
  • Page 46 Have all three people carefully lift the heat exchanger and carry it to the rear of the rack. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 47 17. When the heat exchanger is in position at the rear of the rack, carefully rest one corner of the heat exchanger on the floor, and then, stand the heat exchanger in an upright position. See the illustration for the correct placement of hands for the three people who are required to lift and move the heat exchanger in an upright position.
  • Page 48 22. Open and close the door one or two times to be sure that it aligns correctly, adjusting the bracket as needed. Then, tighten all three screws. Note: Use a torque screwdriver to tighten the screws to 10±1 Nm. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 49 23. When the heat exchanger is latched, make sure that there is a tight fit between the heat exchanger and the rack frame. Loosen or tighten the latch adjustment screw as required. 24. Install the upper air baffle on the rack: a.
  • Page 50 28. After you attach the hoses and fill the heat exchanger with water, complete the following steps: a. Install the inner hose access panel on the inside bottom of the heat exchanger. Inner hose access panel Figure 28. Installing the inner hose access panel Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 51 b. Install the outer hose access panel on the outside bottom of the heat exchanger. Optional screw Outer hose access panel Figure 29. Installing the outer hose access panel c. (Optional) Secure the outer hose access panel to the heat exchanger with an M4 screw (see Figure 29).
  • Page 52: Routing Cables Through The Upper And Lower Air Baffles

    Figure 30. Bundling and routing cables through the upper air baffle The following illustration shows the correct way to bundle and route cables through the lower air baffle. Figure 31. Bundling and routing cables through the lower air baffle Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 53: Front-To-Rear Cable Channels And Caps

    Front-to-rear cable channels and caps You can route cables from the front of the rack to the rear by using the cable channels on the sides of the rack. There are two cable channels on each side of the rack. The front end of the cable channel has a cap that slides up and down so you can route cables from front to rear through the channel opening without removing the cap.
  • Page 54: Routing And Securing The Hoses

    Note: Both illustrations show the view of the rack from the top, looking down. Figure 33. Routing and securing the hoses in a raised-floor environment for individual racks Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 55 In the following illustration, the numbers represent the suggested placement of racks that share one hole in the floor. For example, if three racks will share one hole in the floor, place the racks as shown by the numbers 1, 2, and 3. If you want to add a fourth rack that will share the same hole in the floor, place it next to rack number 1.
  • Page 56 Filling the heat exchanger with water. Check the heat exchanger for air in the manifolds again after one month of operation, to ensure that the heat exchanger is filled correctly. For Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 57: Raised-Floor And Non-Raised-Floor Environments

    Raised-floor and non-raised-floor environments If the coolant distribution unit (CDU) that is providing water to the heat exchanger is in a row of racks with heat exchangers, all hoses can be routed on the floor, irrespective of if it is a raised floor or slab installation. The Type 9363 rack has sufficient clearance underneath the rack to enable the quick connects to be run underneath the rack.
  • Page 58: Filling The Heat Exchanger With Water

    1. Remove the inner hose access panel from the inside of the heat exchanger. Inner hose access panel Figure 37. Removing the inner hose access panel Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 59 2. Remove the outer hose access panel from the outside of the heat exchanger. If the optional screw is installed, remove it. (See the following illustration). Optional screw Outer hose access panel Figure 38. Removing the outer hose access panel 3.
  • Page 60 Note: To avoid damage to cooling system tubing, do not apply excessive force to the couplings. Supply-hose assembly (Male) Supply-manifold coupling (Female) Return-hose assembly (Female) Return-manifold coupling (Male) Figure 40. Attaching the hoses to the manifold couplings Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 61 v To connect the return hose, complete the following steps: a. Align the female hose quick-connect coupling with the male return-manifold coupling. Note: If you misalign the couplings or if the pressure has not been bled from the manifold, it is difficult to connect the hose. Make sure that the pressure has been bled, and then attempt to connect the couplings again.
  • Page 62 10. Screw the valve cap onto the air-purging valve and hand-tighten it to provide a secondary seal. 11. Install the inner hose access panel on the inside bottom of the heat exchanger. Inner hose access panel Figure 42. Installing the inner hose access panel Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 63 12. Install the outer hose access panel on the outside bottom of the heat exchanger. Optional screw Outer hose access panel Figure 43. Installing the outer hose access panel 13. (Optional) Secure the outer hose access panel to the heat exchanger with an M4 screw (see Figure 43).
  • Page 64 Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 65: Chapter 5. Maintaining The Heat Exchanger

    Drain valve Return manifold coupling (Male) Figure 44. Components of the heat exchanger Note: When you perform procedures on the heat exchanger, you might want to place some water-absorbent material beneath the door assembly. © Copyright IBM Corp. 2011, 2013...
  • Page 66: Draining The Heat Exchanger

    Perform this procedure before you have the heat exchanger removed from the rack or when you are directed to do so by an IBM service representative. The drain valve is at the bottom of the heat exchanger, near the supply and return couplings.
  • Page 67 3. Remove the outer hose access panel from the outside of the heat exchanger. If the optional screw is installed, remove it. (See the following illustration). Optional screw Outer hose access panel Figure 46. Removing the outer hose access panel 4.
  • Page 68 Extension hose Extension hose Figure 49. Air-purging tool 7. Place the drain end of the air-purging tool into a container that can hold at least 11.4 liters (3 gallons) of water. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 69 8. Attach the air-purging tool to the drain valve at the bottom of the heat exchanger. Make sure you attach the end of the hose with a valve stem in the center of the connector to the heat exchanger drain valve. If you connect the wrong end of the hose, no water will flow.
  • Page 70: Refilling After A Leak In The System

    56 for instructions.) 2. Have trained service personnel replace the door assembly. 3. Fill the replacement heat exchanger with water. (See “Filling the heat exchanger with water” on page 48 for instructions.) Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 71: Maintenance Schedule

    1 CRU at your request without a service contract, you will be charged for the installation. Tier 2 CRU: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your product.
  • Page 72: Replacing The Heat Exchanger (Trained Service Technician Only)

    2. Turn off the power to the rack and all installed components. 3. Remove the inner hose access panel from the inside of the heat exchanger. Inner hose access panel Figure 50. Removing the inner hose access panel Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 73 4. Remove the outer hose access panel from the outside of the heat exchanger. If the optional screw is installed, remove it. (See the following illustration). Optional screw Outer hose access panel Figure 51. Removing the outer hose access panel Chapter 5.
  • Page 74 (PPE) is available as recommended by the water chemical treatment supplier. Wear safety goggles or other eye protection whenever you drain or purge air from the heat exchanger. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 75 5. Remove and retain the valve caps from the air-purging valve and from the drain valve. Air-purging valve Drain valve Figure 52. Removing the caps from the air-purging valve and drain valve Chapter 5. Maintaining the heat exchanger...
  • Page 76 Use a small object such as a screwdriver tip to press in on the valve stem of the drain valve at the bottom of the heat exchanger. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 77 c. Have a second person use a small object such as a screwdriver tip to press and hold the air-purging valve stem at the top of the heat exchanger. d. Take one of the following actions, depending on the amount of water that comes out of the drain valve: v If only a little or no water comes out of the drain valve, the heat exchanger is sufficiently drained.
  • Page 78 Position the third person in the middle of the heat exchanger and grasp the heat exchanger by the handles. Have all three people carefully lift the heat exchanger and carry it away. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 79: Installing The Replacement Heat Exchanger

    Installing the replacement heat exchanger Attention: Because of the size and weight of the heat exchanger, three trained persons are required to install or remove the heat exchanger. To install the replacement heat exchanger, complete the following steps: 1. Read the safety information that begins on page iii and “Installation guidelines” on page 29.
  • Page 80 You must remove the power from the rack and all components before you connect or disconnect the water supply lines and drain or fill the heat exchanger. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 81 5. With the three required people (one person on each end and one person in the middle), rotate the heat exchanger 90° and up onto the three rectangular packing inserts. Outer hose access panel Inner hose access panel Figure 57. Rotating the heat exchanger 90° and removing the hose access panels 6.
  • Page 82 Person 1 lift handles Person 3 lift points Person 2 lift handles Figure 58. Correct placement of hands to lift and move the heat exchanger Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 83 9. Using the lift handles and the required three people, tilt and hold the heat exchanger close to the rear door opening and align the hole in the bottom of the heat exchanger with the hinge pin on the bottom hinge bracket. You might have to move the heat exchanger around until the pin slides into the hole in the bottom of the heat exchanger.
  • Page 84 17. After you attach the hoses and fill the heat exchanger with water, complete the following steps: a. Install the inner hose access panel on the inside bottom of the heat exchanger. Inner hose access panel Figure 60. Installing the inner hose access panel Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 85 b. Install the outer hose access panel on the outside bottom of the heat exchanger. Optional screw Outer hose access panel Figure 61. Installing the outer hose access panel c. (Optional) Secure the outer hose access panel to the heat exchanger with an M4 screw (see Figure 61).
  • Page 86: Replacing The Latch On The Heat Exchanger

    4. When the heat exchanger is closed and latched, make sure that there is a tight fit between the heat exchanger and the rack frame. Loosen or tighten the latch adjustment screw as required. Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 87: Appendix A. Getting Help And Technical Assistance

    If you need help, service, or technical assistance or just want more information about IBM products, you will find a wide variety of sources available from IBM to assist you. Use this information to obtain additional information about IBM and IBM products, determine what to do if you experience a problem with your IBM system or optional device, and determine whom to call for service, if it is necessary.
  • Page 88: Using The Documentation

    Creating a personalized support web page At http://www.ibm.com/support/mynotifications/, you can create a personalized support web page by identifying IBM products that are of interest to you. From this personalized page, you can subscribe to weekly email notifications about new technical documents, search for information and downloads, and access various administrative services.
  • Page 89: Hardware Service And Support

    In the U.S. and Canada, call 1-800-IBM-SERV (1-800-426-7378). Hardware service and support You can receive hardware service through your IBM reseller or IBM Services. To locate a reseller authorized by IBM to provide warranty service, go to http://www.ibm.com/partnerworld/ and click Find Business Partners on the right side of the page.
  • Page 90 Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 91: Appendix B. Notices

    The materials at those websites are not part of the materials for this IBM product, and use of those websites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
  • Page 92: Important Notes

    IBM makes no representations or warranties with respect to non-IBM products. Support (if any) for the non-IBM products is provided by the third party, not IBM. Some software might differ from its retail version (if available) and might not include user manuals or all program functionality.
  • Page 93: Particulate Contamination

    If IBM determines that the levels of particulates or gases in your environment have caused damage to the device, IBM may condition provision of repair or replacement of devices or parts on implementation of appropriate remedial measures to mitigate such environmental contamination.
  • Page 94: Telecommunication Regulatory Statement

    In the request, be sure to include the publication part number and title. When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you.
  • Page 95: European Union Emc Directive Conformance Statement

    EU-Mitgliedsstaaten und hält die Grenzwerte der EN 55022 Klasse A ein. Um dieses sicherzustellen, sind die Geräte wie in den Handbüchern beschrieben zu installieren und zu betreiben. Des Weiteren dürfen auch nur von der IBM empfohlene Kabel angeschlossen werden. IBM übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen, wenn das Produkt ohne Zustimmung der IBM verändert bzw.
  • Page 96: Vcci Class A Statement

    This is electromagnetic wave compatibility equipment for business (Type A). Sellers and users need to pay attention to it. This is for any areas other than home. Russia Electromagnetic Interference (EMI) Class A statement Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 97: People's Republic Of China Class A Electronic Emission Statement

    People's Republic of China Class A electronic emission statement Taiwan Class A compliance statement Appendix B. Notices...
  • Page 98 Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 99: Index

    47 raised-floor environment 44 electronic emission Class A notice 84 IBM Integrated Technology Services, installation and support 22 FCC Class A notice 84 IBM Support Line 78 filling the heat exchanger 48...
  • Page 100 13 non-raised-floor environment 47 water supply requirements 13 routing and securing hoses in a raised-floor water-supply circuit, leak in 60 environment 44 website personalized support 78 publication ordering 78 Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 101 website (continued) support line, telephone numbers 79 Index...
  • Page 102 Rear Door Heat eXchanger V2: Installation and Maintenance Guide...
  • Page 104 Part Number: 00D2434 Printed in USA (1P) P/N: 00D2434...

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