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Chapter 5. Maintaining the heat exchanger

This chapter provides instructions for maintaining the heat exchanger.

Attention:

1. Because of the size and weight of the heat exchanger, three trained persons

are required to install or remove the heat exchanger.

2. 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.

The following illustration shows the locations of components on 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.

Supply manifold
coupling (Female)

Return manifold
coupling (Male)

Air-purging
valve

Drain
valve

Figure 44. Components of the heat exchanger

Содержание 1756

Страница 1: ...Rear Door Heat eXchanger V2 Type 1756 Installation and Maintenance Guide ...

Страница 2: ......

Страница 3: ...Rear Door Heat eXchanger V2 Type 1756 Installation and Maintenance Guide ...

Страница 4: ...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 Fourth Edition September 2013 Copyright IBM Corporation 2011 2013 US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp ...

Страница 5: ...ling the heat exchanger 30 Routing cables through the upper and lower air baffles 42 Front to rear cable channels and caps 43 Routing and securing the hoses 44 Raised floor environment 44 Raised floor and non raised floor environments 47 Filling the heat exchanger with water 48 Chapter 5 Maintaining the heat exchanger 55 Draining the heat exchanger 56 Refilling after a leak in the system 60 Leak i...

Страница 6: ...nt 84 Avis de conformité à la réglementation d Industrie Canada 84 Australia and New Zealand Class A statement 84 European Union EMC Directive conformance statement 85 Germany Class A statement 85 VCCI Class A statement 86 Korea Communications Commission KCC statement 86 Russia Electromagnetic Interference EMI Class A statement 86 People s Republic of China Class A electronic emission statement 87...

Страница 7: ...n Ennen kuin asennat tämän tuotteen lue turvaohjeet kohdasta Safety Information Avant d installer ce produit lisez les consignes de sécurité 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 lei...

Страница 8: ...ranslations 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 Read any additional safety information that comes with the server or optional device before you install the device Statement 5 18 kg 39 7 lb 32 kg 70 5 lb 55 kg 121 2 lb CAUTION Use safe practic...

Страница 9: ... power cords from devices in the rack cabinet into electrical outlets that are located near the rack cabinet and are easily accessible v Each rack cabinet might have more than one power cord Be sure to disconnect all power cords in the rack cabinet before servicing any device in the rack cabinet v Install an emergency power off switch if more than one power device power distribution unit or uninte...

Страница 10: ...nstructions 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 ...

Страница 11: ...on which you install the heat exchanger can be on a raised floor or a non raised floor Each heat exchanger can remove 100 000 Btu per hour or approximately 30 000 watts of heat from your data center See Secondary cooling loop parts and services on page 10 for information about hoses water treatment and coolant distribution units for supplying conditioned water If you would like to procure IBM inst...

Страница 12: ...he IBM Documentation CD The IBM Documentation CD contains documentation for your rack product in Portable Document Format PDF and includes the IBM Documentation Browser to help you find information quickly Hardware and software requirements The IBM Documentation CD requires the following minimum hardware and software v Microsoft Windows XP Windows 2000 or Red Hat Linux Rear door heat exchanger ase...

Страница 13: ... OK If you are using Red Hat Linux insert the CD into the CD or DVD drive then run the following command from the mnt cdrom directory sh runlinux sh Select your rack product from the Product menu The Available Topics list displays all the documents for your rack product Some documents might be in folders A plus sign indicates each folder or document that has additional documents under it Click the...

Страница 14: ...onvenient or problem situations v Attention These notices indicate potential damage to programs devices or data An attention notice is placed just before the instruction or situation in which damage might occur v Caution These statements indicate situations that can be potentially hazardous to you A caution statement is placed just before the description of a potentially hazardous procedure step o...

Страница 15: ...y loops on page 14 v Providing a redundant secondary cooling loop water supply or enough room air conditioning to handle a tolerable heat load if the function of one or more of the heat exchangers is compromised For example if the rear door is opened for rack maintenance or conditioned water supply to the door is stopped the rack heat load is sent out into the room and must be handled by room air ...

Страница 16: ...C 1 C 64 4 F 1 8 F for ASHRAE Class 1 Environment 22 C 1 C 71 6 F 1 8 F for ASHRAE Class 2 Environment Note See Heat exchanger performance for more information v Required water flow rate as measured at the supply entrance to the heat exchanger Minimum 22 7 liters 6 gallons per minute Maximum 56 8 liters 15 gallons per minute Heat exchanger performance Expected performance of the heat exchanger is ...

Страница 17: ... performance of the heat exchanger 30 kW heat load As described in Water supply requirements for secondary loops on page 13 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 Otherwise the water temperature must be above the maximum dew point that is allowed at that da...

Страница 18: ...adjust the water temperature accordingly Otherwise the water temperature must be above the maximum dew point allowed at that datacenter installation 140 130 120 110 100 90 80 70 60 50 heat removal as function of water temperature and flow rate for given rack power rack inlet temperature and rack air flow rate 4 10 12 14 heat removal Water flow rate gpm Water temperature 12 C 14 C 16 C 18 C 20 C 6 ...

Страница 19: ...Table 2 Installation and removal tools Tool Part to install or remove FRU part number Phillips screwdriver Hinge bracket air baffle 73G5363 8 mm socket Air baffle 73G1458 10 mm socket Hinge bracket 73G1463 Ratchet head wrench Hinge brackets air baffle 1650840 Platform ladder Hinge bracket top 45E0998 Figure 4 The IBM Rear Door Heat eXchanger V2 Type 1756 Chapter 2 Heat exchanger planning specifica...

Страница 20: ... heat exchangers designed for non IBM Enterprise racks Coolant distribution units 3 4 inch inside diameter hose kits Water treatment Chillers Raised floor grommets v Services Installation of door and secondary loop items Preventive maintenance You can contact Coolcentric for all or some of the listed items depending on your needs Coolcentric a Division of Wakefield Vette 33 Bridge Street Pelham NH...

Страница 21: ...loor Standing CD6 5 260 305 kW 400 V 480 V or 208 V Customers in locations other than Europe can contact Eaton Williams Group or Coolcentric see Miscellaneous parts and services supplier on page 10 http www eaton williams com Email contact ServerCool eaton williams com Eaton Williams Group Ltd Fircroft Way Edenbridge Kent TN8 6EZ Telephone National 01732 866055 International 44 1732 866055 Fax Nat...

Страница 22: ...ticle free deionized water or particle free distilled water with appropriate controls for avoiding these issues v Metal corrosion v Bacterial fouling v Scaling The water cannot originate from the primary chilled water system for the building but must be supplied as part of a secondary closed loop system Important Do not use glycol solutions because they can adversely affect the cooling performance...

Страница 23: ...cessing Environments Information about obtaining this document is at http www ashrae org publications page 1279 Search on Thermal Guidelines for Data Processing Environments Pressure 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 The flow rate of the water in the system must be in t...

Страница 24: ...spx Search on document number iso 4126 1 v Be installed so that it is easily accessed for inspection maintenance and repair v Be connected as close as possible to the device that it is intended to protect v Be adjustable only with the use of a tool v Have a discharge opening that is directed so that discharged water or fluid will not create a hazard or be directed toward any person v Be of adequat...

Страница 25: ...he 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 These must be very low near 0 flow impedance quick connects Alternatively these quick connects can be eliminated and replaced with a hose barb connection Chapter 2 Heat exchanger planning specifications and requirements 15 ...

Страница 26: ...ture to specification Secondary side temperature feedback for controlled water temperature to specification Secondary side temperature feedback for controlled water temperature to specification Secondary cooling loop 1 conditioned water Secondary cooling loop 2 conditioned water Secondary cooling loop 3 conditioned water Primary cooling loop building chilled water Return Supply CS CS Shutoff valve...

Страница 27: ...exible hoses maximum length 15 24 meters 50 feet Loop heat exchanger Supply CS CS CS CS CS Secondary side temperature feedback for controlled water temperature to specification Return Supply CS CS Shutoff valves Circuit setter flow control valves Pressure relief valve based on maximum pressure application Expansion tank Optional low impedance quick connect coupling Quick connect couplings Flowmete...

Страница 28: ...rature to specification 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 Access port for filling and water treatment Return Supply CS CS Shutoff valves Circuit setter flow control valves Building chilled water FM Flowmeter Optional low impedance quick c...

Страница 29: ...to be attached and the manifolds must match the capacity rating of the pumps and the loop heat exchanger between the secondary cooling loop and the building chilled water source Anchor or restrain all manifolds to provide the required support to avoid movement when quick connect couplings are connected to the manifolds Rear door heat exchangers T Return Distribution manifolds Flexible hoses maximu...

Страница 30: ... shutoff valves for each supply and return line This provides a way to service or replace an individual heat exchanger without affecting the operation of other heat exchangers in the loop To ensure that water specifications are being met and that the optimum heat removal is taking place use temperature and flow metering monitoring in secondary loops Anchor or restrain all manifolds and pipes to pr...

Страница 31: ... Fluid Connectors quick connect couplings at one end which are attached to the heat exchanger and must either have a low impedance quick connect coupling or nothing so as to attach to a barb at the other end The Parker couplings are described in this section and are compatible with the heat exchanger couplings Hose lengths from 3 to 15 meters 10 to 50 ft in increments of 3 meters 10 ft are availab...

Страница 32: ...ion 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 v Serial numbers of the racks v Serial numbers of the heat exchangers v Phone number where the racks are loca...

Страница 33: ...ocument that comes with the rack or to download the document from the IBM website go to http www 947 ibm com support entry portal docdisplay lndocid migr 5091922 If the rack was unpacked without using the instructions in the Rack Unpacking Instructions document you might have to perform the following steps 1 Make sure that the foam block that is under the left side of the rear door heat exchanger ...

Страница 34: ...s the rack down the ramp 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 24 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 35: ...nd 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 Close the door and make sure that it latches securely Latch plate Screws Figure 12 Moving the heat exchanger latch plate to the correct position Chapter 3 Special instructions if the heat exchanger comes installed on a rack 25 ...

Страница 36: ...m of the heat exchanger c 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 Inner hose access panel Figure 13 Installing the inner hose access panel Outer hose access panel Optional screw Figure 14 Installing the outer hose access panel 26 Rear Door Heat eXchanger...

Страница 37: ...g bracket rotate it 180 and screw the bracket to the rear door heat exchanger Shipping bracket Screw Figure 15 Reversing the shipping bracket Chapter 3 Special instructions if the heat exchanger comes installed on a rack 27 ...

Страница 38: ...28 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 39: ...ks before you connect power to the rack or any of the installed components v Repair all leaks before you connect power to the rack or any of the installed components v After the heat exchanger is filled be sure to remove any excess water that might be left over from the filling process v Plumbing components expand and contract with changing conditions and might fail or loosen after installation Pl...

Страница 40: ...ation that begins on page iii and Installation guidelines on page 29 2 Use the wrench that comes with the rack to lower the front and rear leveling pads Make sure that the rack is level to the floor 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 r...

Страница 41: ... 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 Figure 17 Removing the cardboard top from the heat exchanger carton Chapter 4 Installing the heat exchanger 31 ...

Страница 42: ...ack 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 Screws M6 clip nuts Latch plate Figure 18 Installing the latch plate 32 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 43: ... sure that the four screw holes in the bracket align with the four screw holes in the rack d Secure the bottom hinge bracket to the rack with four M6 screws Note Use a torque screwdriver to tighten the screws to 10 1 Nm 10 Position a platform ladder near the right side of the rack One person must climb the ladder to install the top hinge bracket Cable access bar M6 screws Figure 19 Removing the ca...

Страница 44: ... to partially insert a screw in the hole that is the farthest away from the rear of the rack 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 Top hinge bracket Screw Figure 21 Partially installing the top hinge bracket 34 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 45: ...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 Attention a Because of the size and weight of the heat exchanger three trained persons are required to install or remove the heat exchanger b You must remove the power from the rack and all components before you connect or disconnect the water supply lines and drai...

Страница 46: ... 16 Position one person on each end of the heat exchanger Have each person grasp and hold the under side of the heat exchanger with one hand and hold the top of the heat exchanger with the other hand 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 to the rear of the rack O...

Страница 47: ...er 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 Person 1 lift handles Person 2 lift handles Person 3 lift points Figure 24 Correct placement of hands to lift and move the heat exchanger Chapter 4 Installing the heat exchanger 37 ...

Страница 48: ...eady have a third person climb the platform ladder rotate the top hinge bracket and position the top hinge bracket pin in the hole on the top of the heat exchanger 20 Align the two open holes in the top of the rack with the threaded holes in the top hinge bracket and square up the heat exchanger with the rack 21 Secure the top hinge bracket to the rack with two screws Do not fully tighten the scre...

Страница 49: ...l the upper air baffle on the rack a Climb the platform ladder and loosen the two screws that secure the rear cable access cover and remove the cover b Secure the air baffle to the rack with three M6 screws Upper air baffle Sliders Screws Rear cable access cover Figure 26 Removing the rear cable access cover and installing the upper air baffle Chapter 4 Installing the heat exchanger 39 ...

Страница 50: ...g freely 27 Attach the hoses and fill the heat exchanger with water See Routing and securing the hoses on page 44 and Filling the heat exchanger with water on page 48 for information about routing and attaching the hoses and filling the heat exchanger 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 insid...

Страница 51: ... the outer hose access panel to the heat exchanger with an M4 screw see Figure 29 d Reconnect power to the rack and all components then close and latch the heat exchanger Outer hose access panel Optional screw Figure 29 Installing the outer hose access panel Chapter 4 Installing the heat exchanger 41 ...

Страница 52: ...nd bundle hot air will escape from the open space in the air baffle The following illustration shows the correct way to bundle and route cables through the upper air baffle The following illustration shows the correct way to bundle and route cables through the lower air baffle Sliders Upper air baffle Cables Figure 30 Bundling and routing cables through the upper air baffle Figure 31 Bundling and ...

Страница 53: ... the cap down so that it rests lightly on the cables This helps prevent hot air recirculation from the rear of the rack to the front of the rack If a cable channel is not used make sure that the cap is completely covering the channel opening Note Some cable channel caps do not slide up and down and must be removed before you route cables through the channel Use a flat blade screwdriver or a simila...

Страница 54: ...om air baffles v 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 For more information see Routing cables through the upper and lower air baffles on page 42 Raised floor environment The following illustrations show routing and securing the hoses in a raised floor environment for in...

Страница 55: ... in wide Notes a Each hose must be routed through the access hole lengthwise so that the hose has the entire 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 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...

Страница 56: ... on the valve trapped air from the hoses might have migrated to the heat exchanger To perform the air purging procedure complete step 7 on page 52 through step 10 on page 52 in 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 Figure 35 Flexible hoses secured to the bo...

Страница 57: ... and from the heat exchanger and will void the heat exchanger warranty If the hoses must be run overhead either route the hoses through the rack vertically or route them vertically down the hinge pivot side of the heat exchanger leaving enough slack in the hoses to reach the couplings After several hours of operation repeat the air purging procedure on the valve trapped air from the hoses might ha...

Страница 58: ... procedure L011 Attention Wear safety goggles or other eye protection whenever you fill drain or purge air or nitrogen from the heat exchanger 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 48 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 59: ... cap from the air purging valve Note The valve is similar to the valve on a bicycle or automobile tire Outer hose access panel Optional screw Figure 38 Removing the outer hose access panel Supply manifold coupling Female Return manifold coupling Male Air purging valve Drain valve Figure 39 Removing the cap from the air purging valve Chapter 4 Installing the heat exchanger 49 ...

Страница 60: ...5 Connect the return and supply hoses Note To avoid damage to cooling system tubing do not apply excessive force to the couplings Supply manifold coupling Female Supply hose assembly Male Return manifold coupling Male Return hose assembly Female Figure 40 Attaching the hoses to the manifold couplings 50 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 61: ...nect the supply hose complete the following steps a Align the male hose quick connect coupling with the female supply 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 b Pull the female collar back and move the coupl...

Страница 62: ...nector to the heat exchanger air purging valve If you connect the wrong end of the hose no water will flow 9 When there is a steady stream of water into the container from the air purging tool disconnect the tool from the heat exchanger Attention If water drips from the air purging valve after you remove the air purging tool reattach the tool and disconnect it again to exercise and reseat the seal...

Страница 63: ...ttom of the heat exchanger 13 Optional Secure the outer hose access panel to the heat exchanger with an M4 screw see Figure 43 Outer hose access panel Optional screw Figure 43 Installing the outer hose access panel Chapter 4 Installing the heat exchanger 53 ...

Страница 64: ...54 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 65: ...nd all components before you connect or disconnect the water supply lines and drain or fill the heat exchanger The following illustration shows the locations of components on 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 Supply manifold coupling Female Return manifold coupling Male Air purgi...

Страница 66: ...t exchanger complete the following steps 1 Shut off the flow of water at the source Depending on your facility this might mean turning off the pump unit closing a valve at the pump unit or a similar action Note Although the likelihood of water exposure is small you might prefer to place some water absorbent material beneath the door assembly as a general practice when you drain the heat exchanger ...

Страница 67: ... hose and supply hose from the heat exchanger and move them out of the way Outer hose access panel Optional screw Figure 46 Removing the outer hose access panel Supply manifold coupling Female Supply hose assembly Male Return manifold coupling Male Return hose assembly Female Figure 47 Disconnecting the return hose and supply hose Chapter 5 Maintaining the heat exchanger 57 ...

Страница 68: ...nected 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 Air purging valve Drain valve Figure 48 Removing the cap from the air purging valve and drain valve Hose Extension hose Hose Extension hose Figure 49 Air purging tool 58 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 69: ... hose if filtered and oil free compressed air is available you can attach the compressed air hose to the air purging valve to force water out of the exchanger Keep the air pressure at 50 pounds per square inch gage psig or less to avoid excessive spray at the drain valve 10 When the water has drained completely from the manifolds complete the following steps a Remove the air purging tool extension...

Страница 70: ...difficult to connect the hose b Pull the female collar back and move the couplings toward each other c Exert pressure until the female collar locks in place with an audible click Note After the couplings are engaged but before the collar has locked into place you can let go of the collar and use both hands to push the hose upward to lock the couplings 2 Turn on the flow of water from the pump unit...

Страница 71: ...mer replaceable units CRUs Tier 1 CRU Replacement of Tier 1 CRUs is your responsibility If IBM installs a Tier 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 For more information about...

Страница 72: ...er supply lines and drain or fill the heat exchanger Removing the heat exchanger To remove the heat exchanger complete the following steps 1 Read the safety information that begins on page iii and Installation guidelines on page 29 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 ...

Страница 73: ...m the outside of the heat exchanger If the optional screw is installed remove it See the following illustration Outer hose access panel Optional screw Figure 51 Removing the outer hose access panel Chapter 5 Maintaining the heat exchanger 63 ...

Страница 74: ...les are needed for the procedure L011 Attention Make sure that proper handling procedures are followed when you work with any chemically treated water that is used in the rack cooling system Make sure that material safety data sheets MSDS and safety information is provided by the water chemical treatment supplier and that proper personal protective equipment PPE is available as recommended by the ...

Страница 75: ...tain 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 65 ...

Страница 76: ... depending on the amount of water that comes out of the hose v If only a little or no water comes out of the air purging tool the heat exchanger is sufficiently drained Go to step 8 on page 67 v If a significant amount of water comes out of the air purging tool the heat exchanger is not drained Close the valves immediately and do not continue Note to service technician The customer is responsible ...

Страница 77: ... the door has been drained 8 After making sure that the heat exchanger is drained complete the following steps a Remove the air purging tools if used b Screw the valve caps onto the air purging valve and the drain valve and hand tighten them to provide a secondary seal c Replace the inner and outer hose access panels CAUTION or 32 kg 70 5 lb or 32 55 kg 70 5 121 2 lb The weight of this part or uni...

Страница 78: ...far enough so that you can grasp the lift handles and lift the heat exchanger off the bottom hinge pin g Carefully lower the heat exchanger to the floor so that it rests on one corner 10 Position one person on each end of the heat exchanger Have each person grasp and hold the under side of the heat exchanger with one hand and hold the top of the heat exchanger with the other hand Position the thir...

Страница 79: ...changer 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 2 Remove the cardboard top from the heat exchanger carton and remove the packing material Figure 55 Removing the cardboard top from the heat exchanger carton Chapter 5 Maintaining the heat exchanger 69 ...

Страница 80: ...art 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 Attention a Because of the size and weight of the heat exchanger three trained persons are required to install or remove the heat exchanger b 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 e...

Страница 81: ...els aside 7 Position two people on each end of the heat exchanger Have each person grasp and hold the under side of the heat exchanger with one hand and hold the top of the heat exchanger with the other hand 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 up the heat exchanger and walk it in front of the...

Страница 82: ...ight 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 Person 1 lift handles Person 2 lift handles Person 3 lift points Figure 58 Correct placement of hands to lift and move the heat exchanger 72 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 83: ...While two people hold the heat exchanger steady have a third person climb the platform ladder rotate the top hinge bracket and position the top hinge bracket pin in the hole on the top of the heat exchanger 11 Align the two open holes in the top of the rack with the threaded holes in the top hinge bracket and square up the heat exchanger with the rack 12 Secure the top hinge bracket to the rack wi...

Страница 84: ...Periodically check that the rear door swings freely If necessary adjust the height of the right front leveler until the rear door does swing freely 16 Attach the hoses and fill the heat exchanger with water See Filling the heat exchanger with water on page 48 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 t...

Страница 85: ...the outer hose access panel to the heat exchanger with an M4 screw see Figure 61 d Reconnect power to the rack and all components then close and latch the heat exchanger Outer hose access panel Optional screw Figure 61 Installing the outer hose access panel Chapter 5 Maintaining the heat exchanger 75 ...

Страница 86: ...t latch with the hole on the outside of the door and from the inside secure the mounting bracket and the latch to the heat exchanger with the screw 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 Door latch M5 screw Mounting bracket Adjustment screw Figure 62 R...

Страница 87: ...proven compat us to make sure that the hardware and software is supported by your IBM product v Go to http www ibm com supportportal to check for information to help you solve the problem v Gather the following information to provide to IBM Support This data will help IBM Support quickly provide a solution to your problem and ensure that you receive the level of service for which you might have co...

Страница 88: ...ter information is http www ibm com systems bladecenter The address for IBM IntelliStation information is http www ibm com systems intellistation How to send Dynamic System Analysis data to IBM Use the IBM Enhanced Customer Data Repository to send diagnostic data to IBM Before you send diagnostic data to IBM read the terms of use at http www ibm com de support ecurep terms html You can use any of ...

Страница 89: ...ttp www ibm com partnerworld and click Find Business Partners on the right side of the page For IBM support telephone numbers see http www ibm com planetwide In the U S and Canada call 1 800 IBM SERV 1 800 426 7378 In the U S and Canada hardware service and support is available 24 hours a day 7 days a week In the U K these services are available Monday through Friday from 9 a m to 6 p m IBM Taiwan...

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Страница 91: ... FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication IBM may make improvements and o...

Страница 92: ...nnel volume KB stands for 1024 bytes MB stands for 1 048 576 bytes and GB stands for 1 073 741 824 bytes When referring to hard disk drive capacity or communications volume MB stands for 1 000 000 bytes and GB stands for 1 000 000 000 bytes Total user accessible capacity can vary depending on operating environments Maximum internal hard disk drive capacities assume the replacement of any standard ...

Страница 93: ... Limits Particulate v The room air must be continuously filtered with 40 atmospheric dust spot efficiency MERV 9 according to ASHRAE Standard 52 21 v Air that enters a data center must be filtered to 99 97 efficiency or greater using high efficiency particulate air HEPA filters that meet MIL STD 282 v The deliquescent relative humidity of the particulate contamination must be more than 60 2 v The ...

Страница 94: ...ction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits IBM is not responsible for any radio or television i...

Страница 95: ...t entspricht den Schutzanforderungen der EU Richtlinie 2004 108 EG zur Angleichung der Rechtsvorschriften über die elektromagnetische Verträglichkeit in den 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 anges...

Страница 96: ... 1 71137 Ehningen Germany Telephone 49 7032 15 2937 Email tjahn de ibm com Generelle Informationen Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse A VCCI Class A statement This is a Class A product based on the standard of the Voluntary Control Council for Interference VCCI If this equipment is used in a domestic environment radio interference may occur in which case th...

Страница 97: ...People s Republic of China Class A electronic emission statement Taiwan Class A compliance statement Appendix B Notices 87 ...

Страница 98: ...88 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 99: ...ning 56 fill 48 installation guidelines 29 installing 30 installing and removing 29 installing replacement 69 maintenance 55 parts and tools 9 performance 6 planning 5 purge 49 removing 62 67 replacing latch 76 requirements 5 securing hoses 44 47 specifications 6 help getting 77 hose attaching return 51 60 attaching supply 51 60 securing raised and non raised floor 47 securing raised floor 44 how ...

Страница 100: ...routing and securing hoses in a raised floor environment 44 S Safety information v secondary cooling loop 13 air exposure 13 control and conditioning 12 coolant distribution unit 11 flexible hoses connections 21 manifolds and piping 19 materials to avoid 12 to use 12 part suppliers 10 water delivery specifications 14 flow rate 13 pressure 13 temperature 13 volume limits 13 securing and routing hos...

Страница 101: ...website continued support line telephone numbers 79 Index 91 ...

Страница 102: ...92 Rear Door Heat eXchanger V2 Installation and Maintenance Guide ...

Страница 103: ......

Страница 104: ... Part Number 00D2434 Printed in USA 1P P N 00D2434 ...

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